Sends a request to the specified URL and obtains the result from the sever. - Android Network

Android examples for Network:URL

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Description

Sends a request to the specified URL and obtains the result from the sever.

Demo Code


//package com.java2s;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import android.util.Log;

public class Main {
    private static final String ENCODING = "UTF-8";

    /**/*  ww  w . ja  va2  s.  c  o m*/
     * Sends a request to the specified URL and obtains the result from
     * the sever. 
     * @param url The URL to connect to
     * @return the server response
     * @throws IOException
     */
    public static String getResult(URL url) throws IOException {
        return toString(getResultInputStream(url));
    }

    /**
     * Reads an InputStream and returns its contents as a String.
     * @param inputStream The InputStream to read from.
     * @return The contents of the InputStream as a String.
     * @throws Exception
     */
    private static String toString(InputStream inputStream)
            throws IOException {
        StringBuilder outputBuilder = new StringBuilder();
        String string;
        if (inputStream != null) {
            BufferedReader reader = new BufferedReader(
                    new InputStreamReader(inputStream, ENCODING));
            while (null != (string = reader.readLine())) {
                outputBuilder.append(string).append('\n');
            }
        }
        return outputBuilder.toString();
    }

    public static InputStream getResultInputStream(URL url)
            throws IOException {
        Log.d("Locator", url.toString());
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        Log.d("Locator", "After open connection");
        conn.setDoInput(true);
        conn.setDoOutput(true);
        return conn.getInputStream();
    }
}

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