* Grammatical fixes to command pattern * Update bridge pattern readme * Fixes to builder pattern grammar * Update chain of responsibility * Improvements to the composite example * Fixes to headings * Minor updates to decorator pattern * Update facade * Update factory example * Update factory method * Update flyweight * Interpreter explanation * Update iterator readme * Add explanation for mediator pattern * Grammatical fixes to memento * Grammar fixes for observer * Update explanation for the prototype pattern * Proxy pattern grammar fixes * Update singleton * Grammar fixes to state pattern * Grammar fixes for strategy * Grammar fixes, template method * Grammar fixes for visitor * Fix typo
54 lines
1.6 KiB
Java
54 lines
1.6 KiB
Java
/*
|
|
* The MIT License
|
|
* Copyright © 2014-2021 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.chain;
|
|
|
|
import lombok.AllArgsConstructor;
|
|
import lombok.extern.slf4j.Slf4j;
|
|
|
|
/**
|
|
* RequestHandler.
|
|
*/
|
|
@Slf4j
|
|
@AllArgsConstructor
|
|
public abstract class RequestHandler {
|
|
|
|
private final RequestHandler next;
|
|
|
|
/**
|
|
* Request handler.
|
|
*/
|
|
public void handleRequest(Request req) {
|
|
if (next != null) {
|
|
next.handleRequest(req);
|
|
}
|
|
}
|
|
|
|
protected void printHandling(Request req) {
|
|
LOGGER.info("{} handling request \"{}\"", this, req);
|
|
}
|
|
|
|
@Override
|
|
public abstract String toString();
|
|
}
|