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From Zhu Wayne <zhuw.chic...@gmail.com>
Subject Can't get a complete page source with HttpClient
Date Wed, 25 May 2011 14:46:40 GMT
I tried to get a complete page source like the one generated by a web
browser. However, HttpClient-generated file sizes change from time to
time, and I miss quite a lot of lines comparing to the browser
version. I am using an Amazon URL as an example since its page is
always super-sized.
I am really puzzled by this. What could be the cause? User agent,
buffer size, etc.  Thanks.

Here is the source code:

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

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.params.ClientPNames;
import org.apache.http.client.params.CookiePolicy;
import org.apache.http.impl.client.DefaultConnectionKeepAliveStrategy;
import org.apache.http.impl.client.DefaultHttpClient;

public class RawHttpWebPageFetcher {

    public static String getRaw(String url) throws
ClientProtocolException, IOException {
        HttpClient httpclient = new DefaultHttpClient();
        HttpGet httpget = new HttpGet(url);
        HttpResponse response = httpclient.execute(httpget);
        HttpEntity entity = response.getEntity();
        StringBuilder sb = new StringBuilder();
        if (entity != null) {
            BufferedReader isr = new BufferedReader(new
InputStreamReader(entity.getContent(), "UTF-8"));
            int byteR;
            while((byteR = isr.read()) != -1) {
                char ch = (char) byteR;
                if(ch != '\n' && ch != '\r')
        return sb.toString();

    static  public void main(String [] args) throws
ClientProtocolException, IOException {
        String url =
        String oneLiner = RawHttpWebPageFetcher.getRaw(url);
        String[] outputFileNames = url.split("://");
        String outputFileName = outputFileNames[1].replaceAll("/",
        PrintWriter out = new PrintWriter(new

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