com.getperka.flatpack.util.VerboseWriter Maven / Gradle / Ivy
package com.getperka.flatpack.util;
/*
* #%L
* FlatPack serialization code
* %%
* Copyright (C) 2012 Perka 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.
* #L%
*/
import java.io.IOException;
import java.io.Writer;
/**
* A simple Writer implementation that spies on its input.
*/
class VerboseWriter extends Writer {
private final StringBuilder builder = new StringBuilder();
private final LogChunker chunker;
private final Writer sink;
public VerboseWriter(LogChunker chunker, Writer sink) {
this.chunker = chunker;
this.sink = sink;
}
@Override
public void close() throws IOException {
chunker.info("Outgoing payload:\n" + builder);
sink.close();
}
@Override
public void flush() throws IOException {
sink.flush();
}
@Override
public void write(char[] cbuf, int off, int len) throws IOException {
builder.append(cbuf, off, len);
sink.write(cbuf, off, len);
}
}