Echo.java example

/**
 * Copyright 2010 CosmoCode GmbH
 *
 * 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 de.cosmocode.palava.ipc.xml.rpc;

import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import de.cosmocode.palava.ipc.IpcCall;
import de.cosmocode.palava.ipc.IpcCommand;
import de.cosmocode.palava.ipc.IpcCommandExecutionException;

/**
 * Simple command, which echos it's arguments.
 *
 * @author Willi Schoenborn
 */
public final class Echo implements IpcCommand {

    private static final Logger LOG = LoggerFactory.getLogger(Echo.class);

    @Override
    public void execute(IpcCall call, Map<String, Object> result) throws IpcCommandExecutionException {
        LOG.trace("Returning {}", call.getArguments());
        result.putAll(call.getArguments());
    }

}