package com.azaptree.services.command.impl;
/*
* #%L
* AZAPTREE-COMMAND-SERVICE
* %%
* Copyright (C) 2012 AZAPTREE.COM
* %%
* 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 org.apache.commons.chain.Context;
import org.apache.commons.chain.impl.ChainBase;
import org.springframework.util.Assert;
import com.azaptree.services.command.Command;
import com.azaptree.services.command.CommandChain;
import com.azaptree.services.command.CommandException;
public abstract class CommandChainSupport extends CommandSupport implements CommandChain {
private final ChainBase chain = new ChainBase();
private final Command[] commands;
public CommandChainSupport(final Command... commands) {
super();
Assert.notEmpty(commands);
this.commands = commands;
initChain();
}
public CommandChainSupport(final String name, final Command... commands) {
super(name);
Assert.notEmpty(commands);
this.commands = commands;
initChain();
}
private void initChain() {
for (final Command c : commands) {
chain.addCommand(c);
}
}
@Override
protected boolean executeCommand(final Context ctx) {
try {
return chain.execute(ctx);
} catch (final Exception e) {
throw new CommandException(e);
}
}
@Override
public Command[] getCommands() {
return commands;
}
/**
* throws UnsupportedOperationException
*
*/
@Override
public void addCommand(org.apache.commons.chain.Command command) {
throw new UnsupportedOperationException();
}
}