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#107 Composite example JavaDoc

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This commit is contained in:
Ilkka Seppala
2015-08-18 22:03:41 +03:00
parent 98abe5b5b6
commit a7d25e0485
6 changed files with 188 additions and 159 deletions
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54
composite/src/main/java/com/iluwatar/composite/App.java
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@@ -1,25 +1,29 @@
package com.iluwatar.composite;
/**
*
* With Composite we can treat tree hierarchies of objects with uniform
* interface (LetterComposite). In this example we have sentences composed of
* words composed of letters.
*
*/
public class App {
public static void main(String[] args) {
System.out.println("Message from the orcs: ");
LetterComposite orcMessage = new Messenger().messageFromOrcs();
orcMessage.print();
System.out.println("\n");
System.out.println("Message from the elves: ");
LetterComposite elfMessage = new Messenger().messageFromElves();
elfMessage.print();
}
}
package com.iluwatar.composite;
/**
*
* With Composite we can treat tree hierarchies of objects with uniform
* interface ({@link LetterComposite}). In this example we have sentences composed of
* words composed of letters.
*
*/
public class App {
/**
* Program entry point
* @param args command line args
*/
public static void main(String[] args) {
System.out.println("Message from the orcs: ");
LetterComposite orcMessage = new Messenger().messageFromOrcs();
orcMessage.print();
System.out.println("\n");
System.out.println("Message from the elves: ");
LetterComposite elfMessage = new Messenger().messageFromElves();
elfMessage.print();
}
}

47
composite/src/main/java/com/iluwatar/composite/Letter.java
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@@ -1,21 +1,26 @@
package com.iluwatar.composite;
public class Letter extends LetterComposite {
private char c;
public Letter(char c) {
this.c = c;
}
@Override
protected void printThisBefore() {
System.out.print(c);
}
@Override
protected void printThisAfter() {
// nop
}
}
package com.iluwatar.composite;
/**
*
* Letter
*
*/
public class Letter extends LetterComposite {
private char c;
public Letter(char c) {
this.c = c;
}
@Override
protected void printThisBefore() {
System.out.print(c);
}
@Override
protected void printThisAfter() {
// nop
}
}

111
composite/src/main/java/com/iluwatar/composite/Messenger.java
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@@ -1,53 +1,58 @@
package com.iluwatar.composite;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class Messenger {
LetterComposite messageFromOrcs() {
List<Word> words = new ArrayList<Word>();
words.add(new Word(Arrays.asList(new Letter('W'), new Letter('h'),
new Letter('e'), new Letter('r'), new Letter('e'))));
words.add(new Word(Arrays.asList(new Letter('t'), new Letter('h'),
new Letter('e'), new Letter('r'), new Letter('e'))));
words.add(new Word(Arrays.asList(new Letter('i'), new Letter('s'))));
words.add(new Word(Arrays.asList(new Letter('a'))));
words.add(new Word(Arrays.asList(new Letter('w'), new Letter('h'),
new Letter('i'), new Letter('p'))));
words.add(new Word(Arrays.asList(new Letter('t'), new Letter('h'),
new Letter('e'), new Letter('r'), new Letter('e'))));
words.add(new Word(Arrays.asList(new Letter('i'), new Letter('s'))));
words.add(new Word(Arrays.asList(new Letter('a'))));
words.add(new Word(Arrays.asList(new Letter('w'), new Letter('a'),
new Letter('y'))));
return new Sentence(words);
}
LetterComposite messageFromElves() {
List<Word> words = new ArrayList<Word>();
words.add(new Word(Arrays.asList(new Letter('M'), new Letter('u'),
new Letter('c'), new Letter('h'))));
words.add(new Word(Arrays.asList(new Letter('w'), new Letter('i'),
new Letter('n'), new Letter('d'))));
words.add(new Word(Arrays.asList(new Letter('p'), new Letter('o'),
new Letter('u'), new Letter('r'), new Letter('s'))));
words.add(new Word(Arrays.asList(new Letter('f'), new Letter('r'),
new Letter('o'), new Letter('m'))));
words.add(new Word(Arrays.asList(new Letter('y'), new Letter('o'),
new Letter('u'), new Letter('r'))));
words.add(new Word(Arrays.asList(new Letter('m'), new Letter('o'),
new Letter('u'), new Letter('t'), new Letter('h'))));
return new Sentence(words);
}
}
package com.iluwatar.composite;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
*
* Messenger
*
*/
public class Messenger {
LetterComposite messageFromOrcs() {
List<Word> words = new ArrayList<Word>();
words.add(new Word(Arrays.asList(new Letter('W'), new Letter('h'),
new Letter('e'), new Letter('r'), new Letter('e'))));
words.add(new Word(Arrays.asList(new Letter('t'), new Letter('h'),
new Letter('e'), new Letter('r'), new Letter('e'))));
words.add(new Word(Arrays.asList(new Letter('i'), new Letter('s'))));
words.add(new Word(Arrays.asList(new Letter('a'))));
words.add(new Word(Arrays.asList(new Letter('w'), new Letter('h'),
new Letter('i'), new Letter('p'))));
words.add(new Word(Arrays.asList(new Letter('t'), new Letter('h'),
new Letter('e'), new Letter('r'), new Letter('e'))));
words.add(new Word(Arrays.asList(new Letter('i'), new Letter('s'))));
words.add(new Word(Arrays.asList(new Letter('a'))));
words.add(new Word(Arrays.asList(new Letter('w'), new Letter('a'),
new Letter('y'))));
return new Sentence(words);
}
LetterComposite messageFromElves() {
List<Word> words = new ArrayList<Word>();
words.add(new Word(Arrays.asList(new Letter('M'), new Letter('u'),
new Letter('c'), new Letter('h'))));
words.add(new Word(Arrays.asList(new Letter('w'), new Letter('i'),
new Letter('n'), new Letter('d'))));
words.add(new Word(Arrays.asList(new Letter('p'), new Letter('o'),
new Letter('u'), new Letter('r'), new Letter('s'))));
words.add(new Word(Arrays.asList(new Letter('f'), new Letter('r'),
new Letter('o'), new Letter('m'))));
words.add(new Word(Arrays.asList(new Letter('y'), new Letter('o'),
new Letter('u'), new Letter('r'))));
words.add(new Word(Arrays.asList(new Letter('m'), new Letter('o'),
new Letter('u'), new Letter('t'), new Letter('h'))));
return new Sentence(words);
}
}

51
composite/src/main/java/com/iluwatar/composite/Sentence.java
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@@ -1,23 +1,28 @@
package com.iluwatar.composite;
import java.util.List;
public class Sentence extends LetterComposite {
public Sentence(List<Word> words) {
for (Word w : words) {
this.add(w);
}
}
@Override
protected void printThisBefore() {
// nop
}
@Override
protected void printThisAfter() {
System.out.print(".");
}
}
package com.iluwatar.composite;
import java.util.List;
/**
*
* Sentence
*
*/
public class Sentence extends LetterComposite {
public Sentence(List<Word> words) {
for (Word w : words) {
this.add(w);
}
}
@Override
protected void printThisBefore() {
// nop
}
@Override
protected void printThisAfter() {
System.out.print(".");
}
}

51
composite/src/main/java/com/iluwatar/composite/Word.java
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@@ -1,23 +1,28 @@
package com.iluwatar.composite;
import java.util.List;
public class Word extends LetterComposite {
public Word(List<Letter> letters) {
for (Letter l : letters) {
this.add(l);
}
}
@Override
protected void printThisBefore() {
System.out.print(" ");
}
@Override
protected void printThisAfter() {
// nop
}
}
package com.iluwatar.composite;
import java.util.List;
/**
*
* Word
*
*/
public class Word extends LetterComposite {
public Word(List<Letter> letters) {
for (Letter l : letters) {
this.add(l);
}
}
@Override
protected void printThisBefore() {
System.out.print(" ");
}
@Override
protected void printThisAfter() {
// nop
}
}

33
composite/src/test/java/com/iluwatar/composite/AppTest.java
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@@ -1,14 +1,19 @@
package com.iluwatar.composite;
import org.junit.Test;
import com.iluwatar.composite.App;
public class AppTest {
@Test
public void test() {
String[] args = {};
App.main(args);
}
}
package com.iluwatar.composite;
import org.junit.Test;
import com.iluwatar.composite.App;
/**
*
* Application test
*
*/
public class AppTest {
@Test
public void test() {
String[] args = {};
App.main(args);
}
}