/*
* 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.operation.impl;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.jboss.as.cli.CommandContext;
import org.jboss.as.cli.Util;
import org.jboss.as.cli.impl.DefaultCompleter;
import org.jboss.as.cli.operation.OperationRequestAddress;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
* This completer completes values of a parameter that depends on the value
* of the other parameter whose value is the name of the resource property.
* E.g. this completer can be used for parameter 'value' of the write-attribute
* operation where parameter 'name' defines the value set for the parameter 'value'.
*
* @author Alexey Loubyansky
*/
public class SimpleDependentValueCompleter extends DefaultCompleter {
private static final List<String> BOOLEAN = Arrays.asList(new String[]{"false", "true"});
public SimpleDependentValueCompleter(final OperationRequestAddress address, final String idProperty) {
super(new CandidatesProvider(){
ModelNode allAttrs;
@Override
public Collection<String> getAllCandidates(CommandContext ctx) {
final String propName = ctx.getParsedCommandLine().getPropertyValue(idProperty);
if(propName == null) {
return Collections.emptyList();
}
if(allAttrs == null) {
final ModelNode req = new ModelNode();
final ModelNode addrNode = req.get(Util.ADDRESS);
for(OperationRequestAddress.Node node : address) {
addrNode.add(node.getType(), node.getName());
}
req.get(Util.OPERATION).set(Util.READ_RESOURCE_DESCRIPTION);
final ModelNode response;
try {
response = ctx.getModelControllerClient().execute(req);
} catch (Exception e) {
return Collections.emptyList();
}
final ModelNode result = response.get(Util.RESULT);
if(!result.isDefined()) {
return Collections.emptyList();
}
allAttrs = result.get(Util.ATTRIBUTES);
}
if(!allAttrs.isDefined()) {
return Collections.emptyList();
}
final ModelNode propDescr = allAttrs.get(propName);
if(!propDescr.isDefined()) {
return Collections.emptyList();
}
final ModelNode typeNode = propDescr.get(Util.TYPE);
if(typeNode.isDefined() && typeNode.asType().equals(ModelType.BOOLEAN)) {
return BOOLEAN;
} else if(propDescr.has(Util.ALLOWED)) {
final ModelNode allowedNode = propDescr.get(Util.ALLOWED);
if(allowedNode.isDefined()) {
final List<ModelNode> nodeList = allowedNode.asList();
final List<String> values = new ArrayList<String>(nodeList.size());
for(ModelNode node : nodeList) {
values.add(node.asString());
}
return values;
}
}
return Collections.emptyList();
}});
}
}