PageFetchResult.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package edu.uci.ics.crawler4j.fetcher;

import java.io.EOFException;
import java.io.IOException;

import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.util.EntityUtils;
import org.apache.log4j.Logger;

import edu.uci.ics.crawler4j.crawler.Page;

/**
 * @author Yasser Ganjisaffar <lastname at gmail dot com>
 */
public class PageFetchResult {

	protected static final Logger logger = Logger.getLogger(PageFetchResult.class);

	protected int statusCode;
	protected HttpEntity entity = null;
	protected Header[] responseHeaders = null;
	protected String fetchedUrl = null;
	protected String movedToUrl = null;

	public int getStatusCode() {
		return statusCode;
	}

	public void setStatusCode(int statusCode) {
		this.statusCode = statusCode;
	}

	public HttpEntity getEntity() {
		return entity;
	}

	public void setEntity(HttpEntity entity) {
		this.entity = entity;
	}
	
	public Header[] getResponseHeaders() {
		return responseHeaders;
	}

	public void setResponseHeaders(Header[] responseHeaders) {
		this.responseHeaders = responseHeaders;
	}
	
	public String getFetchedUrl() {
		return fetchedUrl;
	}

	public void setFetchedUrl(String fetchedUrl) {
		this.fetchedUrl = fetchedUrl;
	}

	public boolean fetchContent(Page page) {
		try {
			page.load(entity);
			page.setFetchResponseHeaders(responseHeaders);
			return true;
		} catch (Exception e) {
			logger.info("Exception while fetching content for: " + page.getWebURL().getURL() + " [" + e.getMessage()
					+ "]");
		}
		return false;
	}

	public void discardContentIfNotConsumed() {
		try {
			if (entity != null) {
				EntityUtils.consume(entity);
			}
		} catch (EOFException e) {
			// We can ignore this exception. It can happen on compressed streams
			// which are not repeatable
		} catch (IOException e) {
			// We can ignore this exception. It can happen if the stream is
			// closed.
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public String getMovedToUrl() {
		return movedToUrl;
	}

	public void setMovedToUrl(String movedToUrl) {
		this.movedToUrl = movedToUrl;
	}

}