Here you can find the source of inputStreamToStringBuilder(InputStream in, int minimumCapacity)
public static StringBuilder inputStreamToStringBuilder(InputStream in, int minimumCapacity)
//package com.java2s; /**// w w w .j av a 2 s . 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.InputStream; public class Main { public static StringBuilder inputStreamToStringBuilder(InputStream in, int minimumCapacity) { StringBuilder builder = new StringBuilder(minimumCapacity); inputStreamToStringBuilder(in, builder); return builder; } public static StringBuilder inputStreamToStringBuilder(InputStream in) { return inputStreamToStringBuilder(in, 16); } public static void inputStreamToStringBuilder(InputStream in, StringBuilder builder) { byte[] b = new byte[4096]; try { for (int n; (n = in.read(b)) != -1;) { builder.append(new String(b, 0, n)); } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }