/*
* 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.batch;
import java.util.List;
import org.jboss.as.cli.CommandContext;
import org.jboss.as.cli.CommandFormatException;
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 BatchMoveLineHandler extends CommandHandlerWithHelp {
public BatchMoveLineHandler() {
super("batch-move-line");
}
@Override
public boolean isAvailable(CommandContext ctx) {
if(!super.isAvailable(ctx)) {
return false;
}
return ctx.isBatchMode();
}
/* (non-Javadoc)
* @see org.jboss.as.cli.handlers.CommandHandlerWithHelp#doHandle(org.jboss.as.cli.CommandContext)
*/
@Override
protected void doHandle(CommandContext ctx) throws CommandFormatException {
BatchManager batchManager = ctx.getBatchManager();
if(!batchManager.isBatchActive()) {
throw new CommandFormatException("No active batch.");
}
Batch batch = batchManager.getActiveBatch();
final int batchSize = batch.size();
if(batchSize == 0) {
throw new CommandFormatException("The batch is empty.");
}
List<String> arguments = ctx.getParsedCommandLine().getOtherProperties();
if(arguments.isEmpty()) {
throw new CommandFormatException("Missing line number.");
}
if(arguments.size() != 2) {
throw new CommandFormatException("Expected two arguments but received: " + arguments);
}
String intStr = arguments.get(0);
final int lineNumber;
try {
lineNumber = Integer.parseInt(intStr);
} catch(NumberFormatException e) {
throw new CommandFormatException("Failed to parse line number '" + intStr + "': " + e.getLocalizedMessage());
}
if(lineNumber < 1 || lineNumber > batchSize) {
throw new CommandFormatException(lineNumber + " isn't in range [1.." + batchSize + "].");
}
intStr = arguments.get(1);
final int toLineNumber;
try {
toLineNumber = Integer.parseInt(intStr);
} catch(NumberFormatException e) {
throw new CommandFormatException("Failed to parse line number '" + intStr + "': " + e.getLocalizedMessage());
}
if(toLineNumber < 1 || toLineNumber > batchSize) {
throw new CommandFormatException(toLineNumber + " isn't in range [1.." + batchSize + "].");
}
batch.move(lineNumber - 1, toLineNumber - 1);
}
@Override
public boolean hasArgument(int index) {
return index < 2;
}
}