/*
* 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.ifelse;
import java.io.IOException;
import org.jboss.as.cli.CommandContext;
import org.jboss.as.cli.CommandLineException;
import org.jboss.as.cli.Util;
import org.jboss.as.cli.batch.Batch;
import org.jboss.as.cli.batch.BatchManager;
import org.jboss.as.cli.handlers.CommandHandlerWithHelp;
import org.jboss.as.controller.client.ModelControllerClient;
import org.jboss.dmr.ModelNode;
/**
*
* @author Alexey Loubyansky
*/
public class EndIfHandler extends CommandHandlerWithHelp {
public EndIfHandler() {
super("end-if", true);
}
@Override
public boolean isAvailable(CommandContext ctx) {
try {
final IfElseBlock ifBlock = IfElseBlock.get(ctx);
return ifBlock != null;
} 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 IfElseBlock ifBlock = IfElseBlock.remove(ctx);
final BatchManager batchManager = ctx.getBatchManager();
if(!batchManager.isBatchActive()) {
if(ifBlock.isInIf()) {
throw new CommandLineException("if block did not activate batch mode.");
} else {
throw new CommandLineException("else block did not activate batch mode.");
}
}
final Batch batch = batchManager.getActiveBatch();
batchManager.discardActiveBatch();
final ModelControllerClient client = ctx.getModelControllerClient();
if(client == null) {
throw new CommandLineException("The connection to the controller has not been established.");
}
final ModelNode conditionRequest = ifBlock.getConditionRequest();
if(conditionRequest == null) {
throw new CommandLineException("The condition request is not available.");
}
final Operation expression = ifBlock.getConditionExpression();
if(expression == null) {
throw new CommandLineException("The if expression is not available.");
}
ModelNode targetValue;
try {
targetValue = client.execute(conditionRequest);
} catch (IOException e) {
throw new CommandLineException("condition request failed", e);
}
final Object value = expression.resolveValue(ctx, targetValue);
if(value == null) {
throw new CommandLineException("if expression resolved to a null");
}
if(Boolean.TRUE.equals(value)) {
ModelNode ifRequest = ifBlock.getIfRequest();
if(ifRequest == null) {
if(batch.size() == 0) {
throw new CommandLineException("if request is missing.");
}
ifRequest = batch.toRequest();
}
try {
final ModelNode response = client.execute(ifRequest);
if(!Util.isSuccess(response)) {
new CommandLineException("if request failed: " + Util.getFailureDescription(response));
}
} catch (IOException e) {
throw new CommandLineException("if request failed", e);
}
} else if(ifBlock.isInElse()) {
if(batch.size() == 0) {
throw new CommandLineException("else block is empty.");
}
try {
final ModelNode response = client.execute(batch.toRequest());
if(!Util.isSuccess(response)) {
throw new CommandLineException("else request failed: " + Util.getFailureDescription(response));
}
} catch (IOException e) {
throw new CommandLineException("else request failed", e);
}
}
}
}