| /* |
| * Copyright 2012-present Facebook, Inc. |
| * |
| * 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. |
| */ |
| |
| package com.facebook.buck.util; |
| |
| import com.google.common.base.Throwables; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.PrintStream; |
| import java.io.UnsupportedEncodingException; |
| import java.nio.charset.Charset; |
| |
| public class CapturingPrintStream extends PrintStream { |
| |
| private final ByteArrayOutputStream byteArrayOutputStream; |
| |
| public CapturingPrintStream() { |
| this(new ByteArrayOutputStream()); |
| } |
| |
| private CapturingPrintStream(ByteArrayOutputStream byteArrayOutputStream) { |
| super(byteArrayOutputStream); |
| this.byteArrayOutputStream = byteArrayOutputStream; |
| } |
| |
| public String getContentsAsString(Charset charset) { |
| try { |
| return byteArrayOutputStream.toString(charset.name()).replace("\r\n", "\n"); |
| } catch (UnsupportedEncodingException e) { |
| throw Throwables.propagate(e); |
| } |
| } |
| } |