CrawlerTask.java

/*******************************************************************************
 * Copyright (c) 2011 Subgraph.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Subgraph - initial API and implementation
 ******************************************************************************/
package com.subgraph.vega.internal.crawler;

import org.apache.http.client.methods.HttpUriRequest;

import com.subgraph.vega.api.crawler.ICrawlerResponseProcessor;
import com.subgraph.vega.api.http.requests.IHttpResponse;

public class CrawlerTask {

	static CrawlerTask createTask(HttpUriRequest request, ICrawlerResponseProcessor responseProcessor, Object argument) {
		return new CrawlerTask(request, responseProcessor, argument, false);
	}
	
	static CrawlerTask createExitTask() {
		return new CrawlerTask(null, null, null, true);
	}
	
	private final HttpUriRequest request;
	private final ICrawlerResponseProcessor responseProcessor;
	private final Object argument;
	private IHttpResponse response;
	private Throwable exception;
	private final boolean isExitTask;
	
	
	
	private CrawlerTask(HttpUriRequest request, ICrawlerResponseProcessor responseProcessor, Object argument, boolean isExit) {
		this.request = request;
		this.responseProcessor = responseProcessor;
		this.argument = argument;
		this.isExitTask = isExit;
	}
	
	boolean isExitTask() {
		return isExitTask;
	}
	
	public HttpUriRequest getRequest() {
		return request;
	}
	
	public Object getArgument() {
		return argument;
	}
	
	IHttpResponse getResponse() {
		return response;
	}
	
	void setResponse(IHttpResponse response) {
		this.response = response;
	}
	
	void setException(Throwable exception) {
		this.exception = exception;
	}
	
	Throwable getException() {
		return exception;
	}
	
	boolean causedException() {
		return exception != null;
	}

	public ICrawlerResponseProcessor getResponseProcessor() {
		return responseProcessor;
	}
}