Java URL Read getStringFromConnection(HttpURLConnection connection)

Description

get String From Connection

License

Open Source License

Declaration

public static String getStringFromConnection(HttpURLConnection connection) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.BufferedInputStream;

import java.io.BufferedReader;
import java.io.DataInputStream;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;

public class Main {
    public static String getStringFromConnection(HttpURLConnection connection) {
        InputStream inputStream = null;
        DataInputStream dataInputStream = null;
        String lineData, completeData = "";

        try {// w  ww.j a  va  2s  .co m
            boolean error = false;
            if (connection.getResponseCode() >= 400) {
                inputStream = connection.getErrorStream();
                error = true;
            } else {
                inputStream = connection.getInputStream();
            }
            dataInputStream = new DataInputStream(new BufferedInputStream(inputStream));
            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(dataInputStream));

            while ((lineData = bufferedReader.readLine()) != null) {
                if (lineData.startsWith("ERROR")) {
                    inputStream.close();
                    dataInputStream.close();
                    bufferedReader.close();
                    return lineData;
                }
                completeData += lineData;
            }

            if (error)
                System.out.println("Error Connecting to AutoUpdater. Response Follows: \n" + completeData);

            inputStream.close();
            bufferedReader.close();
            dataInputStream.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

        return completeData;
    }
}

Related

1. getLastModified(HttpURLConnection conn)
2. getLastModified(HttpURLConnection connection)
3. getRemoteFileLength(String url)
4. getRemoteFileSize(URL url)
5. getStreamByConnection(final HttpURLConnection con)
6. getStringFromURL(String URLString)
7. getText(HttpURLConnection conn)
8. getText(String url)
9. getText(String url)