Here you can find the source of inputStreamAsString(InputStream is)
public static String inputStreamAsString(InputStream is)
//package com.java2s; /*//w w w. j a v a 2s. c om * Copyright 2016 the original author or authors. * * 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.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.stream.Collectors; public class Main { public static String inputStreamAsString(InputStream is) { try (BufferedReader buffer = new BufferedReader(new InputStreamReader(is))) { return buffer.lines().collect(Collectors.joining("\n")); } catch (IOException e) { throw new RuntimeException("Could not convert InputStream to String ", e); } } }