| // Copyright 2014 The Bazel Authors. All rights reserved. |
| // |
| // 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.google.devtools.build.lib.events; |
| |
| import com.google.common.base.Preconditions; |
| import java.io.OutputStream; |
| import java.util.Arrays; |
| |
| /** |
| * An OutputStream that delegates all writes to an EventHandler. |
| */ |
| public final class ReporterStream extends OutputStream { |
| private final EventHandler handler; |
| private final EventKind eventKind; |
| |
| public ReporterStream(EventHandler handler, EventKind eventKind) { |
| this.handler = Preconditions.checkNotNull(handler); |
| this.eventKind = Preconditions.checkNotNull(eventKind); |
| } |
| |
| @Override |
| public void close() { |
| // NOP. |
| } |
| |
| @Override |
| public void flush() { |
| // NOP. |
| } |
| |
| @Override |
| public void write(int b) { |
| handler.handle(Event.of(eventKind, null, new byte[] { (byte) b })); |
| } |
| |
| @Override |
| public void write(byte[] bytes) { |
| write(bytes, 0, bytes.length); |
| } |
| |
| @Override |
| public void write(byte[] bytes, int offset, int len) { |
| handler.handle(Event.of(eventKind, null, Arrays.copyOfRange(bytes, offset, offset + len))); |
| } |
| } |