bigbluej.Crawler.java Source code

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Here is the source code for bigbluej.Crawler.java

Source

package bigbluej;

/*
 * 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.
 */

import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

/**
 * @author Michael Lieshoff
 */
public class Crawler {

    private HttpClientFactory httpClientFactory = new HttpClientFactory();

    public String post(String url) throws IOException {
        System.out.println("post> " + url);
        HttpClient client = httpClientFactory.create();
        HttpPost request = new HttpPost(url);
        HttpResponse response = client.execute(request);
        BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
        StringBuilder s = new StringBuilder();
        String line;
        while ((line = rd.readLine()) != null) {
            s.append(line);
        }
        return s.toString();
    }

    public String post(String url, String body) throws IOException {
        System.out.println("post with body> " + url);
        HttpClient client = httpClientFactory.create();
        HttpPost request = new HttpPost(url);
        request.setEntity(new StringEntity(body));
        HttpResponse response = client.execute(request);
        BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
        StringBuilder s = new StringBuilder();
        String line;
        while ((line = rd.readLine()) != null) {
            s.append(line);
        }
        return s.toString();
    }

    public String get(String url) throws IOException {
        System.out.println("get> " + url);
        HttpClient client = httpClientFactory.create();
        HttpGet request = new HttpGet(url);
        HttpResponse response = client.execute(request);
        BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
        StringBuilder s = new StringBuilder();
        String line;
        while ((line = rd.readLine()) != null) {
            s.append(line);
        }
        return s.toString();
    }

}