OutputWritersChain.java

/*
 * Copyright (c) 2010-2013 the original author or authors
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */
package org.jmxtrans.agent;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

/**
 * @author <a href="mailto:cleclerc@cloudbees.com">Cyrille Le Clerc</a>
 */
public class OutputWritersChain extends AbstractOutputWriter implements OutputWriter {

    protected final List<OutputWriter> outputWriters;

    public OutputWritersChain() {
        outputWriters = new ArrayList<>();
    }

    public OutputWritersChain(List<OutputWriter> outputWriters) {
        this.outputWriters = new ArrayList<>(outputWriters.size());
        this.outputWriters.addAll(outputWriters);
    }

    @Override
    public void writeQueryResult(String metricName, String type, Object value) throws IOException {
        for (OutputWriter outputWriter : outputWriters) {
            outputWriter.writeQueryResult(metricName, type, value);
        }
    }

    @Override
    public void writeInvocationResult(String invocationName, Object value) throws IOException {
        for (OutputWriter outputWriter : outputWriters) {
            outputWriter.writeInvocationResult(invocationName, value);
        }
    }

    @Override
    public void preDestroy() {
        for (OutputWriter outputWriter : outputWriters) {
            outputWriter.preDestroy();
        }
    }

    @Override
    public void postCollect() throws IOException {
        for (OutputWriter outputWriter : outputWriters) {
            outputWriter.postCollect();
        }
    }

    @Override
    public void preCollect() throws IOException {
        for (OutputWriter outputWriter : outputWriters) {
            outputWriter.preCollect();
        }
    }
}