Java tutorial
//package com.java2s; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.Reader; import java.io.StringWriter; import java.io.Writer; public class Main { public static String convertStreamToString(InputStream inputStream) throws IOException { if (inputStream != null) { Writer writer = new StringWriter(); char[] buffer = new char[1024]; try { Reader reader = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"), 1024); int n; while ((n = reader.read(buffer)) != -1) { writer.write(buffer, 0, n); } } finally { inputStream.close(); } return writer.toString(); } else { return ""; } } }