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1
.github/FUNDING.yml vendored Normal file
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@ -0,0 +1 @@
github: [iluwatar]

5
.travis.yml
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@ -6,8 +6,7 @@ sudo: required
env:
global:
- GH_REF: github.com/iluwatar/java-design-patterns.git
- secure: LxTDuNS/rBWIvKkaEqr79ImZAe48mCdoYCF41coxNXgNoippo4GIBArknqtv+XvdkiuRZ1yGyj6pn8GU33c/yn+krddTUkVCwTbVatbalW5jhQjDbHYym/JcxaK9ZS/3JTeGcWrBgiPqHEEDhCf26vPZsXoMSeVCEORVKTp1BSg=
- secure: "DCpazS3nkLnter3sguXEAS2fC/1ZWNfM+XLyif9MfNFxlZdpni2vCD/jA0Rdpga8puQWHNVLyAec+RPFH/2qSmJ1c1UTV5MaLv8tPqwUX0VFA+1I6XoSv6oX4ldHTBWHEWqQHkRFOLoil0h0edc0tTOWQwXF8U+DLAB+HkRb4gw="
services:
- xvfb
@ -24,7 +23,7 @@ script:
- 'if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then mvn clean verify sonar:sonar -Dsonar.projectKey=iluwatar_java-design-patterns -Dsonar.host.url=https://sonarcloud.io; fi'
after_success:
- bash update-ghpages.sh
- bash update-website.sh
notifications:
email:

13
CODE_COVERAGE.md
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@ -1,13 +0,0 @@
# Code Coverage Report generation
To generate the code coverage report, execute the following command:
> mvn clean verify jacoco:report
This will generate code coverage report in each of the modules. In order to view the same, open the following file in your browser.
> target/site/jacoco/index.html
Please note that the above folder is created under each of the modules. For example:
* adapter/target/site/jacoco/index.html
* business-delegate/target/site/jacoco/index.html

4
README.md
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@ -17,7 +17,7 @@ solve common problems when designing an application or system.
Design patterns can speed up the development process by providing tested, proven
development paradigms.
Reusing design patterns help prevent subtle issues which cause major
Reusing design patterns help prevent subtle issues that cause major
problems, and it also improves code readability for coders and architects who
are familiar with the patterns.
@ -42,7 +42,7 @@ Once you are familiar with these concepts you can start drilling down into
patterns by any of the following approaches
- Using difficulty tags, `Difficulty-Beginner`, `Difficulty-Intermediate` & `Difficulty-Expert`.
- Using pattern categories, `Creational`, `Behavioral` and others.
- Using pattern categories, `Creational`, `Behavioral`, and others.
- Search for a specific pattern. Can't find one? Please report a new pattern [here](https://github.com/iluwatar/java-design-patterns/issues).
Hopefully you find the object oriented solutions presented on this site useful

5
abstract-document/src/main/java/com/iluwatar/abstractdocument/AbstractDocument.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractdocument;
import java.util.List;
@ -61,7 +62,7 @@ public abstract class AbstractDocument implements Document {
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
var builder = new StringBuilder();
builder.append(getClass().getName()).append("[");
properties.forEach((key, value) -> builder.append("[").append(key).append(" : ").append(value).append("]"));
builder.append("]");

42
abstract-document/src/main/java/com/iluwatar/abstractdocument/App.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,17 +20,16 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractdocument;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.iluwatar.abstractdocument.domain.Car;
import com.iluwatar.abstractdocument.domain.enums.Property;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
import java.util.Map;
/**
* The Abstract Document pattern enables handling additional, non-static
@ -52,23 +51,22 @@ public class App {
public App() {
LOGGER.info("Constructing parts and car");
Map<String, Object> carProperties = new HashMap<>();
carProperties.put(Property.MODEL.toString(), "300SL");
carProperties.put(Property.PRICE.toString(), 10000L);
var wheelProperties = Map.of(
Property.TYPE.toString(), "wheel",
Property.MODEL.toString(), "15C",
Property.PRICE.toString(), 100L);
Map<String, Object> wheelProperties = new HashMap<>();
wheelProperties.put(Property.TYPE.toString(), "wheel");
wheelProperties.put(Property.MODEL.toString(), "15C");
wheelProperties.put(Property.PRICE.toString(), 100L);
var doorProperties = Map.of(
Property.TYPE.toString(), "door",
Property.MODEL.toString(), "Lambo",
Property.PRICE.toString(), 300L);
Map<String, Object> doorProperties = new HashMap<>();
doorProperties.put(Property.TYPE.toString(), "door");
doorProperties.put(Property.MODEL.toString(), "Lambo");
doorProperties.put(Property.PRICE.toString(), 300L);
var carProperties = Map.of(
Property.MODEL.toString(), "300SL",
Property.PRICE.toString(), 10000L,
Property.PARTS.toString(), List.of(wheelProperties, doorProperties));
carProperties.put(Property.PARTS.toString(), Arrays.asList(wheelProperties, doorProperties));
Car car = new Car(carProperties);
var car = new Car(carProperties);
LOGGER.info("Here is our car:");
LOGGER.info("-> model: {}", car.getModel().get());

3
abstract-document/src/main/java/com/iluwatar/abstractdocument/Document.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractdocument;
import java.util.Map;

3
abstract-document/src/main/java/com/iluwatar/abstractdocument/domain/Car.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractdocument.domain;
import java.util.Map;

3
abstract-document/src/main/java/com/iluwatar/abstractdocument/domain/HasModel.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractdocument.domain;
import java.util.Optional;

3
abstract-document/src/main/java/com/iluwatar/abstractdocument/domain/HasParts.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractdocument.domain;
import java.util.stream.Stream;

3
abstract-document/src/main/java/com/iluwatar/abstractdocument/domain/HasPrice.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractdocument.domain;
import java.util.Optional;

3
abstract-document/src/main/java/com/iluwatar/abstractdocument/domain/HasType.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractdocument.domain;
import java.util.Optional;

3
abstract-document/src/main/java/com/iluwatar/abstractdocument/domain/Part.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractdocument.domain;
import java.util.Map;

3
abstract-document/src/main/java/com/iluwatar/abstractdocument/domain/enums/Property.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractdocument.domain.enums;
/**

15
abstract-document/src/test/java/com/iluwatar/abstractdocument/AbstractDocumentTest.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,19 +20,17 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractdocument;
import org.junit.jupiter.api.Test;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Stream;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.*;
/**
* AbstractDocument test class
@ -59,9 +57,7 @@ public class AbstractDocumentTest {
@Test
public void shouldRetrieveChildren() {
Map<String, Object> child1 = new HashMap<>();
Map<String, Object> child2 = new HashMap<>();
List<Map<String, Object>> children = Arrays.asList(child1, child2);
var children = List.of(Map.of(), Map.of());
document.put(KEY, children);
@ -79,8 +75,7 @@ public class AbstractDocumentTest {
@Test
public void shouldIncludePropsInToString() {
Map<String, Object> props = new HashMap<>();
props.put(KEY, VALUE);
Map<String, Object> props = Map.of(KEY, VALUE);
DocumentImplementation document = new DocumentImplementation(props);
assertTrue(document.toString().contains(KEY));
assertTrue(document.toString().contains(VALUE));

3
abstract-document/src/test/java/com/iluwatar/abstractdocument/AppTest.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractdocument;
import org.junit.jupiter.api.Test;

33
abstract-document/src/test/java/com/iluwatar/abstractdocument/DomainTest.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,19 +20,18 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractdocument;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import org.junit.jupiter.api.Test;
import com.iluwatar.abstractdocument.domain.Car;
import com.iluwatar.abstractdocument.domain.Part;
import com.iluwatar.abstractdocument.domain.enums.Property;
import org.junit.jupiter.api.Test;
import java.util.List;
import java.util.Map;
import static org.junit.jupiter.api.Assertions.assertEquals;
/**
* Test for Part and Car
@ -48,10 +47,10 @@ public class DomainTest {
@Test
public void shouldConstructPart() {
Map<String, Object> partProperties = new HashMap<>();
partProperties.put(Property.TYPE.toString(), TEST_PART_TYPE);
partProperties.put(Property.MODEL.toString(), TEST_PART_MODEL);
partProperties.put(Property.PRICE.toString(), TEST_PART_PRICE);
Map<String, Object> partProperties = Map.of(
Property.TYPE.toString(), TEST_PART_TYPE,
Property.MODEL.toString(), TEST_PART_MODEL,
Property.PRICE.toString(), TEST_PART_PRICE);
Part part = new Part(partProperties);
assertEquals(TEST_PART_TYPE, part.getType().get());
@ -61,10 +60,10 @@ public class DomainTest {
@Test
public void shouldConstructCar() {
Map<String, Object> carProperties = new HashMap<>();
carProperties.put(Property.MODEL.toString(), TEST_CAR_MODEL);
carProperties.put(Property.PRICE.toString(), TEST_CAR_PRICE);
carProperties.put(Property.PARTS.toString(), Arrays.asList(new HashMap<>(), new HashMap<>()));
Map<String, Object> carProperties = Map.of(
Property.MODEL.toString(), TEST_CAR_MODEL,
Property.PRICE.toString(), TEST_CAR_PRICE,
Property.PARTS.toString(), List.of(Map.of(), Map.of()));
Car car = new Car(carProperties);
assertEquals(TEST_CAR_MODEL, car.getModel().get());

4
abstract-factory/README.md
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@ -188,10 +188,6 @@ Use the Abstract Factory pattern when
## Tutorial
* [Abstract Factory Pattern Tutorial](https://www.journaldev.com/1418/abstract-factory-design-pattern-in-java)
## Presentations
* [Abstract Factory Pattern](etc/presentation.html)
## Real world examples

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190
abstract-factory/etc/presentation.html
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@ -1,190 +0,0 @@
<!--
The MIT License
Copyright © 2014-2019 Ilkka Seppälä
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-->
<!DOCTYPE html>
<html>
<head>
<title>Design Patterns - Abstract Factory Presentation</title>
<meta charset="utf-8">
<style>
@import url(https://fonts.googleapis.com/css?family=Yanone+Kaffeesatz);
@import url(https://fonts.googleapis.com/css?family=Droid+Serif:400,700,400italic);
@import url(https://fonts.googleapis.com/css?family=Ubuntu+Mono:400,700,400italic);
body { font-family: 'Droid Serif'; }
h1, h2, h3 {
font-family: 'Yanone Kaffeesatz';
font-weight: normal;
}
.remark-code, .remark-inline-code { font-family: 'Ubuntu Mono'; }
blockquote {
border-left: 0.3em solid rgba(0,0,0,0.5);
padding: 0 15px;
font-style: italic;
}
img {
max-width:100%;
}
</style>
</head>
<body>
<textarea id="source">
class: center, middle
# Abstract Factory
---
# Also known as
* Kit
---
# Intent
* Provide an interface for creating families of related or dependent objects without specifying their concrete classes
---
# Explanation
* [Wikipedia](https://en.wikipedia.org/wiki/Abstract_factory_pattern) says:
> "The abstract factory pattern provides a way to encapsulate a group of individual factories that have a common theme without specifying their concrete classes"
<br />
* In plain words:
* A factory that groups individual but related/dependent factories together without specifying their concrete classes;
* A factory of factories;
---
# Example
* In a factory that creates kingdoms, we need objects with common theme:
* Elven kingdom needs an Elven king, Elven castle and Elven army;
* Orcish kingdom needs an Orcish king, Orcish castle and Orcish army;
<br />
* There is a dependency between the objects in the kingdom;
---
# Diagram
* Based on the kingdom example, the diagram below showcases the different concrete factories and their concrete products:
.center[![Diagram](diagram1.png)]
---
# Diagram
* The class diagram below showcases the factory of factories;
* At runtime, we can define which Kingdom type is needed and pass it as a parameter to define which concrete KingdomFactory to instantiate;
* The concrete factory returned will then be able to produce the related objects of the specified type;
.center[![Diagram](diagram2.png)]
---
# Applicability
Use the Abstract Factory pattern when:
* A system should be independent of how its products are created, composed and represented;
* A system should be configured with one of multiple families of products;
* A family of related product objects is designed to be used together, and you need to enforce this constraint;
* You want to provide a class library of products, and you want to reveal just their interfaces, not their implementations;
---
# Applicability
Use the Abstract Factory pattern when:
* The lifetime of the dependency is conceptually shorter than the lifetime of the consumer;
* You need a run-time value to construct a particular dependency;
* You want to decide which product to call from a family at runtime;
* You need to supply one or more parameters only known at run-time before you can resolve a dependency;
---
#Use Cases
* Selecting to call the appropriate implementation of FileSystemAcmeService or DatabaseAcmeService or NetworkAcmeService at runtime;
* Unit test case writing becomes much easier;
---
# Consequences
* Dependency injection in java hides the service class dependencies that can lead to runtime errors that would have been caught at compile time
---
# Real world examples
[javax.xml.parsers.DocumentBuilderFactory](http://docs.oracle.com/javase/8/docs/api/javax/xml/parsers/DocumentBuilderFactory.html)
[javax.xml.transform.TransformerFactory](http://docs.oracle.com/javase/8/docs/api/javax/xml/transform/TransformerFactory.html#newInstance--)
[javax.xml.xpath.XPathFactory](http://docs.oracle.com/javase/8/docs/api/javax/xml/xpath/XPathFactory.html#newInstance--)
---
# Credits
* [Design Patterns: Elements of Reusable Object-Oriented Software](http://www.amazon.com/Design-Patterns-Elements-Reusable-Object-Oriented/dp/0201633612)
---
# Tutorials
* Source code http://java-design-patterns.com/patterns/abstract-factory/
</textarea>
<script src="https://remarkjs.com/downloads/remark-latest.min.js">
</script>
<script>
var slideshow = remark.create();
</script>
</body>
</html>

3
abstract-factory/src/main/java/com/iluwatar/abstractfactory/App.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractfactory;
import org.slf4j.Logger;

3
abstract-factory/src/main/java/com/iluwatar/abstractfactory/Army.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractfactory;
/**

3
abstract-factory/src/main/java/com/iluwatar/abstractfactory/Castle.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractfactory;
/**

3
abstract-factory/src/main/java/com/iluwatar/abstractfactory/ElfArmy.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractfactory;
/**

3
abstract-factory/src/main/java/com/iluwatar/abstractfactory/ElfCastle.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractfactory;
/**

3
abstract-factory/src/main/java/com/iluwatar/abstractfactory/ElfKing.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractfactory;
/**

3
abstract-factory/src/main/java/com/iluwatar/abstractfactory/ElfKingdomFactory.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractfactory;
/**

3
abstract-factory/src/main/java/com/iluwatar/abstractfactory/King.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractfactory;
/**

3
abstract-factory/src/main/java/com/iluwatar/abstractfactory/KingdomFactory.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractfactory;
/**

3
abstract-factory/src/main/java/com/iluwatar/abstractfactory/OrcArmy.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractfactory;
/**

3
abstract-factory/src/main/java/com/iluwatar/abstractfactory/OrcCastle.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractfactory;
/**

3
abstract-factory/src/main/java/com/iluwatar/abstractfactory/OrcKing.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractfactory;
/**

3
abstract-factory/src/main/java/com/iluwatar/abstractfactory/OrcKingdomFactory.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractfactory;
/**

3
abstract-factory/src/test/java/com/iluwatar/abstractfactory/AbstractFactoryTest.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractfactory;
import static org.junit.jupiter.api.Assertions.assertEquals;

3
abstract-factory/src/test/java/com/iluwatar/abstractfactory/AppTest.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.abstractfactory;
import org.junit.jupiter.api.Test;

3
acyclic-visitor/src/main/java/com/iluwatar/acyclicvisitor/AllModemVisitor.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.acyclicvisitor;
/**

11
acyclic-visitor/src/main/java/com/iluwatar/acyclicvisitor/App.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.acyclicvisitor;
/**
@ -41,11 +42,11 @@ public class App {
*/
public static void main(String[] args) {
ConfigureForUnixVisitor conUnix = new ConfigureForUnixVisitor();
ConfigureForDosVisitor conDos = new ConfigureForDosVisitor();
var conUnix = new ConfigureForUnixVisitor();
var conDos = new ConfigureForDosVisitor();
Zoom zoom = new Zoom();
Hayes hayes = new Hayes();
var zoom = new Zoom();
var hayes = new Hayes();
hayes.accept(conDos); // Hayes modem with Dos configurator
zoom.accept(conDos); // Zoom modem with Dos configurator

3
acyclic-visitor/src/main/java/com/iluwatar/acyclicvisitor/ConfigureForDosVisitor.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.acyclicvisitor;
import org.slf4j.Logger;

3
acyclic-visitor/src/main/java/com/iluwatar/acyclicvisitor/ConfigureForUnixVisitor.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.acyclicvisitor;
import org.slf4j.Logger;

3
acyclic-visitor/src/main/java/com/iluwatar/acyclicvisitor/Hayes.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.acyclicvisitor;
import org.slf4j.Logger;

3
acyclic-visitor/src/main/java/com/iluwatar/acyclicvisitor/HayesVisitor.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.acyclicvisitor;
/**

3
acyclic-visitor/src/main/java/com/iluwatar/acyclicvisitor/Modem.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.acyclicvisitor;
/**

3
acyclic-visitor/src/main/java/com/iluwatar/acyclicvisitor/ModemVisitor.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.acyclicvisitor;
/**

3
acyclic-visitor/src/main/java/com/iluwatar/acyclicvisitor/Zoom.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.acyclicvisitor;
import org.slf4j.Logger;

3
acyclic-visitor/src/main/java/com/iluwatar/acyclicvisitor/ZoomVisitor.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.acyclicvisitor;
/**

3
acyclic-visitor/src/test/java/com/iluwatar/acyclicvisitor/AppTest.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.acyclicvisitor;
import org.junit.jupiter.api.Test;

15
acyclic-visitor/src/test/java/com/iluwatar/acyclicvisitor/ConfigureForDosVisitorTest.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,22 +20,15 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.acyclicvisitor;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.groups.Tuple.tuple;
import static org.mockito.Mockito.mock;
import static uk.org.lidalia.slf4jext.Level.INFO;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Test;
import com.iluwatar.acyclicvisitor.ConfigureForDosVisitor;
import com.iluwatar.acyclicvisitor.Hayes;
import com.iluwatar.acyclicvisitor.HayesVisitor;
import com.iluwatar.acyclicvisitor.Zoom;
import com.iluwatar.acyclicvisitor.ZoomVisitor;
import uk.org.lidalia.slf4jtest.TestLogger;
import uk.org.lidalia.slf4jtest.TestLoggerFactory;
@ -48,8 +41,8 @@ public class ConfigureForDosVisitorTest {
@Test
public void testVisitForZoom() {
ConfigureForDosVisitor conDos = new ConfigureForDosVisitor();
Zoom zoom = new Zoom();
var conDos = new ConfigureForDosVisitor();
var zoom = new Zoom();
conDos.visit(zoom);

7
acyclic-visitor/src/test/java/com/iluwatar/acyclicvisitor/ConfigureForUnixVisitorTest.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.acyclicvisitor;
import static org.assertj.core.api.Assertions.assertThat;
@ -46,8 +47,8 @@ public class ConfigureForUnixVisitorTest {
@Test
public void testVisitForZoom() {
ConfigureForUnixVisitor conUnix = new ConfigureForUnixVisitor();
Zoom zoom = new Zoom();
var conUnix = new ConfigureForUnixVisitor();
var zoom = new Zoom();
conUnix.visit(zoom);

16
acyclic-visitor/src/test/java/com/iluwatar/acyclicvisitor/HayesTest.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.acyclicvisitor;
import static org.mockito.Matchers.eq;
@ -29,11 +30,6 @@ import static org.mockito.Mockito.verifyZeroInteractions;
import org.junit.jupiter.api.Test;
import com.iluwatar.acyclicvisitor.ConfigureForDosVisitor;
import com.iluwatar.acyclicvisitor.ConfigureForUnixVisitor;
import com.iluwatar.acyclicvisitor.Hayes;
import com.iluwatar.acyclicvisitor.HayesVisitor;
/**
* Hayes test class
*/
@ -41,8 +37,8 @@ public class HayesTest {
@Test
public void testAcceptForDos() {
Hayes hayes = new Hayes();
ConfigureForDosVisitor mockVisitor = mock(ConfigureForDosVisitor.class);
var hayes = new Hayes();
var mockVisitor = mock(ConfigureForDosVisitor.class);
hayes.accept(mockVisitor);
verify((HayesVisitor)mockVisitor).visit(eq(hayes));
@ -50,8 +46,8 @@ public class HayesTest {
@Test
public void testAcceptForUnix() {
Hayes hayes = new Hayes();
ConfigureForUnixVisitor mockVisitor = mock(ConfigureForUnixVisitor.class);
var hayes = new Hayes();
var mockVisitor = mock(ConfigureForUnixVisitor.class);
hayes.accept(mockVisitor);

16
acyclic-visitor/src/test/java/com/iluwatar/acyclicvisitor/ZoomTest.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.acyclicvisitor;
@ -29,11 +30,6 @@ import static org.mockito.Mockito.mock;
import org.junit.jupiter.api.Test;
import com.iluwatar.acyclicvisitor.ConfigureForDosVisitor;
import com.iluwatar.acyclicvisitor.ConfigureForUnixVisitor;
import com.iluwatar.acyclicvisitor.Zoom;
import com.iluwatar.acyclicvisitor.ZoomVisitor;
/**
* Zoom test class
*/
@ -41,8 +37,8 @@ public class ZoomTest {
@Test
public void testAcceptForDos() {
Zoom zoom = new Zoom();
ConfigureForDosVisitor mockVisitor = mock(ConfigureForDosVisitor.class);
var zoom = new Zoom();
var mockVisitor = mock(ConfigureForDosVisitor.class);
zoom.accept(mockVisitor);
verify((ZoomVisitor)mockVisitor).visit(eq(zoom));
@ -50,8 +46,8 @@ public class ZoomTest {
@Test
public void testAcceptForUnix() {
Zoom zoom = new Zoom();
ConfigureForUnixVisitor mockVisitor = mock(ConfigureForUnixVisitor.class);
var zoom = new Zoom();
var mockVisitor = mock(ConfigureForUnixVisitor.class);
zoom.accept(mockVisitor);
verify((ZoomVisitor)mockVisitor).visit(eq(zoom));

44
adapter/src/main/java/com/iluwatar/adapter/App.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,41 +20,49 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.adapter;
/**
* An adapter helps two incompatible interfaces to work together. This is the real world definition
* for an adapter. Interfaces may be incompatible but the inner functionality should suit the need.
* The Adapter design pattern allows otherwise incompatible classes to work together by converting
* the interface of one class into an interface expected by the clients.
* An adapter helps two incompatible interfaces to work together. This is the
* real world definition for an adapter. Interfaces may be incompatible but
* the inner functionality should suit the need. The Adapter design pattern
* allows otherwise incompatible classes to work together by converting the
* interface of one class into an interface expected by the clients.
*
* <p>
* There are two variations of the Adapter pattern: The class adapter implements the adaptee's
* interface whereas the object adapter uses composition to contain the adaptee in the adapter
* object. This example uses the object adapter approach.
* There are two variations of the Adapter pattern: The class adapter
* implements the adaptee's interface whereas the object adapter uses
* composition to contain the adaptee in the adapter object. This example uses
* the object adapter approach.
*
* <p>
* The Adapter ({@link FishingBoatAdapter}) converts the interface of the adaptee class (
* {@link FishingBoat}) into a suitable one expected by the client ( {@link RowingBoat} ).
* The Adapter ({@link FishingBoatAdapter}) converts the interface of the
* adaptee class ({@link FishingBoat}) into a suitable one expected by the
* client ({@link RowingBoat}).
*
* <p>
* The story of this implementation is this. <br>
* Pirates are coming! we need a {@link RowingBoat} to flee! We have a {@link FishingBoat} and our
* captain. We have no time to make up a new ship! we need to reuse this {@link FishingBoat}. The
* captain needs a rowing boat which he can operate. The spec is in {@link RowingBoat}. We will
* use the Adapter pattern to reuse {@link FishingBoat}.
* Pirates are coming! we need a {@link RowingBoat} to flee! We have a
* {@link FishingBoat} and our captain. We have no time to make up a new ship!
* we need to reuse this {@link FishingBoat}. The captain needs a rowing boat
* which he can operate. The spec is in {@link RowingBoat}. We will use the
* Adapter pattern to reuse {@link FishingBoat}.
*
*/
public class App {
public final class App {
private App() { }
/**
* Program entry point.
*
* @param args command line args
*/
public static void main(String[] args) {
// The captain can only operate rowing boats but with adapter he is able to use fishing boats as well
Captain captain = new Captain(new FishingBoatAdapter());
public static void main(final String[] args) {
// The captain can only operate rowing boats but with adapter he is able to
// use fishing boats as well
var captain = new Captain(new FishingBoatAdapter());
captain.row();
}
}

17
adapter/src/main/java/com/iluwatar/adapter/Captain.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,27 +20,28 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.adapter;
/**
* The Captain uses {@link RowingBoat} to sail. <br>
* This is the client in the pattern.
*/
public class Captain {
public final class Captain {
private RowingBoat rowingBoat;
public Captain() {}
public Captain() { }
public Captain(RowingBoat rowingBoat) {
this.rowingBoat = rowingBoat;
public Captain(final RowingBoat boat) {
this.rowingBoat = boat;
}
public void setRowingBoat(RowingBoat rowingBoat) {
this.rowingBoat = rowingBoat;
void setRowingBoat(final RowingBoat boat) {
this.rowingBoat = boat;
}
public void row() {
void row() {
rowingBoat.row();
}

12
adapter/src/main/java/com/iluwatar/adapter/FishingBoat.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,10 +20,12 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.adapter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static org.slf4j.LoggerFactory.getLogger;
/**
*
@ -31,11 +33,11 @@ import org.slf4j.LoggerFactory;
* Fishing boat moves by sailing.
*
*/
public class FishingBoat {
final class FishingBoat {
private static final Logger LOGGER = LoggerFactory.getLogger(FishingBoat.class);
private static final Logger LOGGER = getLogger(FishingBoat.class);
public void sail() {
void sail() {
LOGGER.info("The fishing boat is sailing");
}

10
adapter/src/main/java/com/iluwatar/adapter/FishingBoatAdapter.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,12 +20,13 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.adapter;
/**
*
* Adapter class. Adapts the interface of the device ({@link FishingBoat}) into {@link RowingBoat}
* interface expected by the client ({@link Captain}).
* Adapter class. Adapts the interface of the device ({@link FishingBoat})
* into {@link RowingBoat} interface expected by the client ({@link Captain}).
*
*/
public class FishingBoatAdapter implements RowingBoat {
@ -36,8 +37,7 @@ public class FishingBoatAdapter implements RowingBoat {
boat = new FishingBoat();
}
@Override
public void row() {
public final void row() {
boat.sail();
}
}

3
adapter/src/main/java/com/iluwatar/adapter/RowingBoat.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.adapter;
/**

24
adapter/src/main/java/com/iluwatar/adapter/package-info.java Normal file
View File

@ -0,0 +1,24 @@
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.adapter;

9
adapter/src/test/java/com/iluwatar/adapter/AdapterPatternTest.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.adapter;
import org.junit.jupiter.api.BeforeEach;
@ -53,7 +54,7 @@ public class AdapterPatternTest {
FishingBoatAdapter fishingBoatAdapter = spy(new FishingBoatAdapter());
beans.put(FISHING_BEAN, fishingBoatAdapter);
Captain captain = new Captain();
var captain = new Captain();
captain.setRowingBoat((FishingBoatAdapter) beans.get(FISHING_BEAN));
beans.put(ROWING_BEAN, captain);
}
@ -66,13 +67,13 @@ public class AdapterPatternTest {
*/
@Test
public void testAdapter() {
Captain captain = (Captain) beans.get(ROWING_BEAN);
var captain = (Captain) beans.get(ROWING_BEAN);
// when captain moves
captain.row();
// the captain internally calls the battleship object to move
RowingBoat adapter = (RowingBoat) beans.get(FISHING_BEAN);
var adapter = (RowingBoat) beans.get(FISHING_BEAN);
verify(adapter).row();
}
}

3
adapter/src/test/java/com/iluwatar/adapter/AppTest.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.adapter;
import org.junit.jupiter.api.Test;

23
aggregator-microservices/aggregator-service/src/main/java/com/iluwatar/aggregator/microservices/Aggregator.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.aggregator.microservices;
import javax.annotation.Resource;
@ -50,9 +51,23 @@ public class Aggregator {
*/
@RequestMapping(path = "/product", method = RequestMethod.GET)
public Product getProduct() {
Product product = new Product();
product.setTitle(informationClient.getProductTitle());
product.setProductInventories(inventoryClient.getProductInventories());
var product = new Product();
String productTitle = informationClient.getProductTitle();
Integer productInventory = inventoryClient.getProductInventories();
if (productTitle != null) {
product.setTitle(productTitle);
} else {
product.setTitle("Error: Fetching Product Title Failed"); //Fallback to error message
}
if (productInventory != null) {
product.setProductInventories(productInventory);
} else {
product.setProductInventories(-1); //Fallback to default error inventory
}
return product;
}

3
aggregator-microservices/aggregator-service/src/main/java/com/iluwatar/aggregator/microservices/App.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.aggregator.microservices;
import org.springframework.boot.SpringApplication;

3
aggregator-microservices/aggregator-service/src/main/java/com/iluwatar/aggregator/microservices/Product.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.aggregator.microservices;
/**

3
aggregator-microservices/aggregator-service/src/main/java/com/iluwatar/aggregator/microservices/ProductInformationClient.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.aggregator.microservices;
/**

9
aggregator-microservices/aggregator-service/src/main/java/com/iluwatar/aggregator/microservices/ProductInformationClientImpl.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.aggregator.microservices;
import java.io.IOException;
@ -43,10 +44,10 @@ public class ProductInformationClientImpl implements ProductInformationClient {
@Override
public String getProductTitle() {
String response = null;
HttpRequest request = HttpRequest.newBuilder().GET().uri(URI.create("http://localhost:51515/information")).build();
HttpClient client = HttpClient.newHttpClient();
var request = HttpRequest.newBuilder().GET().uri(URI.create("http://localhost:51515/information")).build();
var client = HttpClient.newHttpClient();
try {
HttpResponse<String> httpResponse = client.send(request, HttpResponse.BodyHandlers.ofString());
var httpResponse = client.send(request, HttpResponse.BodyHandlers.ofString());
response = httpResponse.body();
} catch (IOException ioe) {
LOGGER.error("IOException Occurred", ioe);

5
aggregator-microservices/aggregator-service/src/main/java/com/iluwatar/aggregator/microservices/ProductInventoryClient.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.aggregator.microservices;
/**
@ -27,5 +28,5 @@ package com.iluwatar.aggregator.microservices;
*/
public interface ProductInventoryClient {
int getProductInventories();
Integer getProductInventories();
}

19
aggregator-microservices/aggregator-service/src/main/java/com/iluwatar/aggregator/microservices/ProductInventoryClientImpl.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.aggregator.microservices;
import java.io.IOException;
@ -41,19 +42,23 @@ public class ProductInventoryClientImpl implements ProductInventoryClient {
private static final Logger LOGGER = LoggerFactory.getLogger(ProductInventoryClientImpl.class);
@Override
public int getProductInventories() {
String response = "0";
public Integer getProductInventories() {
var response = "";
HttpRequest request = HttpRequest.newBuilder().GET().uri(URI.create("http://localhost:51516/inventories")).build();
HttpClient client = HttpClient.newHttpClient();
var request = HttpRequest.newBuilder().GET().uri(URI.create("http://localhost:51516/inventories")).build();
var client = HttpClient.newHttpClient();
try {
HttpResponse<String> httpResponse = client.send(request, HttpResponse.BodyHandlers.ofString());
var httpResponse = client.send(request, HttpResponse.BodyHandlers.ofString());
response = httpResponse.body();
} catch (IOException ioe) {
LOGGER.error("IOException Occurred", ioe);
} catch (InterruptedException ie) {
LOGGER.error("InterruptedException Occurred", ie);
}
return Integer.parseInt(response);
if("".equalsIgnoreCase(response)) {
return null;
} else {
return Integer.parseInt(response);
}
}
}

3
aggregator-microservices/aggregator-service/src/test/java/com/iluwatar/aggregator/microservices/AggregatorTest.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.aggregator.microservices;
import org.junit.jupiter.api.BeforeEach;

3
aggregator-microservices/information-microservice/src/main/java/com/iluwatar/information/microservice/InformationApplication.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.information.microservice;
import org.springframework.boot.SpringApplication;

3
aggregator-microservices/information-microservice/src/main/java/com/iluwatar/information/microservice/InformationController.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.information.microservice;
import org.springframework.web.bind.annotation.RequestMapping;

3
aggregator-microservices/information-microservice/src/test/java/com/iluwatar/information/microservice/InformationControllerTest.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.information.microservice;
import org.junit.jupiter.api.Test;

3
aggregator-microservices/inventory-microservice/src/main/java/com/iluwatar/inventory/microservice/InventoryApplication.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.inventory.microservice;
import org.springframework.boot.SpringApplication;

3
aggregator-microservices/inventory-microservice/src/main/java/com/iluwatar/inventory/microservice/InventoryController.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.inventory.microservice;
import org.springframework.web.bind.annotation.RequestMapping;

3
aggregator-microservices/inventory-microservice/src/test/java/com/iluwatar/inventory/microservice/InventoryControllerTest.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.inventory.microservice;
import org.junit.jupiter.api.Test;

3
ambassador/src/main/java/com/iluwatar/ambassador/App.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.ambassador;
/**

3
ambassador/src/main/java/com/iluwatar/ambassador/Client.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.ambassador;
import org.slf4j.LoggerFactory;

3
ambassador/src/main/java/com/iluwatar/ambassador/RemoteService.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.ambassador;
import com.iluwatar.ambassador.util.RandomProvider;

3
ambassador/src/main/java/com/iluwatar/ambassador/RemoteServiceInterface.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.ambassador;
/**

3
ambassador/src/main/java/com/iluwatar/ambassador/ServiceAmbassador.java
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@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.ambassador;
import org.slf4j.Logger;

3
ambassador/src/main/java/com/iluwatar/ambassador/util/RandomProvider.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.ambassador.util;
/**

3
ambassador/src/test/java/com/iluwatar/ambassador/AppTest.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.ambassador;
import org.junit.jupiter.api.Test;

3
ambassador/src/test/java/com/iluwatar/ambassador/ClientTest.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.ambassador;
import org.junit.jupiter.api.Test;

3
ambassador/src/test/java/com/iluwatar/ambassador/RemoteServiceTest.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.ambassador;
import com.iluwatar.ambassador.util.RandomProvider;

3
ambassador/src/test/java/com/iluwatar/ambassador/ServiceAmbassadorTest.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.ambassador;
import org.junit.jupiter.api.Test;

3
api-gateway/api-gateway-service/src/main/java/com/iluwatar/api/gateway/ApiGateway.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.api.gateway;
import org.springframework.web.bind.annotation.RequestMapping;

3
api-gateway/api-gateway-service/src/main/java/com/iluwatar/api/gateway/App.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.api.gateway;
import org.springframework.boot.SpringApplication;

3
api-gateway/api-gateway-service/src/main/java/com/iluwatar/api/gateway/DesktopProduct.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.api.gateway;
/**

3
api-gateway/api-gateway-service/src/main/java/com/iluwatar/api/gateway/ImageClient.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.api.gateway;
/**

3
api-gateway/api-gateway-service/src/main/java/com/iluwatar/api/gateway/ImageClientImpl.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.api.gateway;
import java.io.IOException;

3
api-gateway/api-gateway-service/src/main/java/com/iluwatar/api/gateway/MobileProduct.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.api.gateway;
/**

3
api-gateway/api-gateway-service/src/main/java/com/iluwatar/api/gateway/PriceClient.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.api.gateway;
/**

3
api-gateway/api-gateway-service/src/main/java/com/iluwatar/api/gateway/PriceClientImpl.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.api.gateway;
import java.io.IOException;

3
api-gateway/api-gateway-service/src/test/java/com/iluwatar/api/gateway/ApiGatewayTest.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.api.gateway;
import org.junit.jupiter.api.BeforeEach;

3
api-gateway/image-microservice/src/main/java/com/iluwatar/image/microservice/ImageApplication.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.image.microservice;
import org.springframework.boot.SpringApplication;

3
api-gateway/image-microservice/src/main/java/com/iluwatar/image/microservice/ImageController.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.image.microservice;
import org.springframework.web.bind.annotation.RequestMapping;

3
api-gateway/image-microservice/src/test/java/com/iluwatar/image/microservice/ImageControllerTest.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.image.microservice;
import org.junit.jupiter.api.Test;

3
api-gateway/price-microservice/src/main/java/com/iluwatar/price/microservice/PriceApplication.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.price.microservice;
import org.springframework.boot.SpringApplication;

3
api-gateway/price-microservice/src/main/java/com/iluwatar/price/microservice/PriceController.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.price.microservice;
import org.springframework.web.bind.annotation.RequestMapping;

3
api-gateway/price-microservice/src/test/java/com/iluwatar/price/microservice/PriceControllerTest.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.price.microservice;
import org.junit.jupiter.api.Test;

3
async-method-invocation/src/main/java/com/iluwatar/async/method/invocation/App.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.async.method.invocation;
import org.slf4j.Logger;

3
async-method-invocation/src/main/java/com/iluwatar/async/method/invocation/AsyncCallback.java
View File

@ -1,4 +1,4 @@
/**
/*
* The MIT License
* Copyright © 2014-2019 Ilkka Seppälä
*
@ -20,6 +20,7 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.async.method.invocation;
import java.util.Optional;

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