/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.cli.handlers.trycatch;
import org.jboss.as.cli.CommandContext;
import org.jboss.as.cli.CommandLineException;
import org.jboss.as.cli.batch.Batch;
import org.jboss.as.cli.batch.BatchManager;
import org.jboss.as.cli.handlers.CommandHandlerWithHelp;
/**
*
* @author Alexey Loubyansky
*/
public class CatchHandler extends CommandHandlerWithHelp {
public CatchHandler() {
super("catch", true);
}
@Override
public boolean isAvailable(CommandContext ctx) {
try {
final TryBlock tryBlock = TryBlock.get(ctx);
return tryBlock != null && tryBlock.isInTry();
} catch (CommandLineException e) {
return false;
}
}
/* (non-Javadoc)
* @see org.jboss.as.cli.handlers.CommandHandlerWithHelp#doHandle(org.jboss.as.cli.CommandContext)
*/
@Override
protected void doHandle(CommandContext ctx) throws CommandLineException {
final TryBlock tryBlock = TryBlock.get(ctx);
final BatchManager batchManager = ctx.getBatchManager();
if(!batchManager.isBatchActive()) {
throw new CommandLineException("try block did not activate batch mode.");
}
final Batch tryBatch = batchManager.getActiveBatch();
if(tryBatch.size() == 0) {
throw new CommandLineException("try block is empty.");
}
tryBlock.setTryRequest(tryBatch.toRequest());
tryBlock.setInCatch();
batchManager.discardActiveBatch();
batchManager.activateNewBatch();
}
}