| /* |
| * Copyright (C) 2012 The Guava 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. |
| */ |
| |
| package com.google.common.io; |
| |
| import static com.google.common.base.Charsets.UTF_8; |
| |
| import java.io.FilterWriter; |
| import java.io.IOException; |
| import java.io.OutputStreamWriter; |
| import java.io.Writer; |
| |
| /** |
| * A char sink for testing that has configurable behavior. |
| * |
| * @author Colin Decker |
| */ |
| public class TestCharSink extends CharSink implements TestStreamSupplier { |
| |
| private final TestByteSink byteSink; |
| |
| public TestCharSink(TestOption... options) { |
| this.byteSink = new TestByteSink(options); |
| } |
| |
| public String getString() { |
| return new String(byteSink.getBytes(), UTF_8); |
| } |
| |
| @Override |
| public boolean wasStreamOpened() { |
| return byteSink.wasStreamOpened(); |
| } |
| |
| @Override |
| public boolean wasStreamClosed() { |
| return byteSink.wasStreamClosed(); |
| } |
| |
| @Override |
| public Writer openStream() throws IOException { |
| // using TestByteSink's output stream to get option behavior, so flush to it on every write |
| return new FilterWriter(new OutputStreamWriter(byteSink.openStream(), UTF_8)) { |
| @Override |
| public void write(int c) throws IOException { |
| super.write(c); |
| flush(); |
| } |
| |
| @Override |
| public void write(char[] cbuf, int off, int len) throws IOException { |
| super.write(cbuf, off, len); |
| flush(); |
| } |
| |
| @Override |
| public void write(String str, int off, int len) throws IOException { |
| super.write(str, off, len); |
| flush(); |
| } |
| }; |
| } |
| } |