Here you can find the source of inputStreamReaderToStringBuilder(InputStreamReader reader, StringBuilder builder)
public static void inputStreamReaderToStringBuilder(InputStreamReader reader, StringBuilder builder)
//package com.java2s; /**/*from w w w. j a va 2s. c o m*/ * * Copyright (C) norad.fr * * Licensed 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 java.io.IOException; import java.io.InputStreamReader; public class Main { public static void inputStreamReaderToStringBuilder(InputStreamReader reader, StringBuilder builder) { char[] b = new char[4096]; try { for (int n; (n = reader.read(b)) != -1;) { builder.append(new String(b, 0, n)); } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }