edu.uci.ics.crawler4j.crawler.Page.java Source code

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Here is the source code for edu.uci.ics.crawler4j.crawler.Page.java

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/**  * 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.crawler;

import java.nio.charset.Charset;
import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.entity.ContentType;
import org.apache.http.util.EntityUtils;
import edu.uci.ics.crawler4j.parser.ParseData;
import edu.uci.ics.crawler4j.url.WebURL;

/**
 * * This class contains the data for a fetched and parsed page. * * @author
 * Yasser Ganjisaffar <lastname at gmail dot com>
 */
public class Page {
    /** * The URL of this page. */
    protected WebURL url;
    /** * The content of this page in binary format. */
    protected byte[] contentData;
    /**
     * * The ContentType of this page. * For example: "text/html; charset=UTF-8"
     */
    protected String contentType;
    /** * The encoding of the content. * For example: "gzip" */
    protected String contentEncoding;
    /** * The charset of the content. * For example: "UTF-8" */
    protected String contentCharset;
    /** * Headers which were present in the response of the * fetch request */
    protected Header[] fetchResponseHeaders;
    /** * The parsed data populated by parsers */
    protected ParseData parseData;

    public Page(WebURL url) {
        this.url = url;
    }

    public WebURL getWebURL() {
        return url;
    }

    public void setWebURL(WebURL url) {
        this.url = url;
    }

    /** * Loads the content of this page from a fetched * HttpEntity. */
    public void load(HttpEntity entity) throws Exception {
        contentType = null;
        Header type = entity.getContentType();
        if (type != null) {
            contentType = type.getValue();
        }
        contentEncoding = null;
        Header encoding = entity.getContentEncoding();
        if (encoding != null) {
            contentEncoding = encoding.getValue();
        }
        Charset charset = ContentType.getOrDefault(entity).getCharset();
        if (charset != null) {
            contentCharset = charset.displayName();
        }
        contentData = EntityUtils.toByteArray(entity);
    }

    /**
     * * Returns headers which were present in the response of the * fetch
     * request
     */
    public Header[] getFetchResponseHeaders() {
        return fetchResponseHeaders;
    }

    public void setFetchResponseHeaders(Header[] headers) {
        fetchResponseHeaders = headers;
    }

    /** * Returns the parsed data generated for this page by parsers */
    public ParseData getParseData() {
        return parseData;
    }

    public void setParseData(ParseData parseData) {
        this.parseData = parseData;
    }

    /** * Returns the content of this page in binary format. */
    public byte[] getContentData() {
        return contentData;
    }

    public void setContentData(byte[] contentData) {
        this.contentData = contentData;
    }

    /**
     * * Returns the ContentType of this page. * For example:
     * "text/html; charset=UTF-8"
     */
    public String getContentType() {
        return contentType;
    }

    public void setContentType(String contentType) {
        this.contentType = contentType;
    }

    /** * Returns the encoding of the content. * For example: "gzip" */
    public String getContentEncoding() {
        return contentEncoding;
    }

    public void setContentEncoding(String contentEncoding) {
        this.contentEncoding = contentEncoding;
    }

    /** * Returns the charset of the content. * For example: "UTF-8" */
    public String getContentCharset() {
        return contentCharset;
    }

    public void setContentCharset(String contentCharset) {
        this.contentCharset = contentCharset;
    }
}