/*
* RHQ Management Platform
* Copyright (C) 2005-2009 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation, and/or the GNU Lesser
* General Public License, version 2.1, also as published by the Free
* Software Foundation.
*
* This program 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 General Public License and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.rhq.rhqtransform.impl;
import java.util.Collection;
import java.util.List;
import org.rhq.augeas.node.AugeasNode;
import org.rhq.augeas.tree.AugeasTree;
import org.rhq.core.domain.configuration.Configuration;
import org.rhq.core.domain.configuration.Property;
import org.rhq.core.domain.configuration.PropertyList;
import org.rhq.core.domain.configuration.PropertyMap;
import org.rhq.core.domain.configuration.PropertySimple;
import org.rhq.core.domain.configuration.definition.ConfigurationDefinition;
import org.rhq.core.domain.configuration.definition.PropertyDefinition;
import org.rhq.core.domain.configuration.definition.PropertyDefinitionList;
import org.rhq.core.domain.configuration.definition.PropertyDefinitionMap;
import org.rhq.core.domain.configuration.definition.PropertyDefinitionSimple;
import org.rhq.rhqtransform.AugeasRhqException;
import org.rhq.rhqtransform.ConfigurationToAugeas;
/**
* Basic implementation of updating the Augeas with data from RHQ configuration.
* The mapping is based on the RHQ property names.
*
* @author Filip Drabek
*
*/
public class ConfigurationToAugeasSimple implements ConfigurationToAugeas {
protected AugeasTree tree;
public ConfigurationToAugeasSimple() {
}
public void setTree(AugeasTree tree) {
this.tree = tree;
}
public void updateResourceConfiguration(AugeasNode node, ConfigurationDefinition resourceConfigDef,
Configuration resourceConfig) throws AugeasRhqException {
Collection<PropertyDefinition> propDefs = resourceConfigDef.getPropertyDefinitions().values();
PropertyMap startProp = new PropertyMap();
for (Property property : resourceConfig.getProperties())
startProp.put(property);
for (PropertyDefinition propDef : propDefs) {
updateProperty(propDef, startProp, node, 0);
}
}
public void updateMap(PropertyDefinitionMap propDefMap, Property prop, AugeasNode mapNode, int seq)
throws AugeasRhqException {
PropertyMap map = null;
if (prop instanceof PropertyList) {
PropertyList lst = (PropertyList) prop;
List<Property> props = lst.getList();
map = (PropertyMap) props.get(seq - 1);
}
if (prop instanceof PropertyMap) {
PropertyMap mp = (PropertyMap) prop;
map = (PropertyMap) mp.get(propDefMap.getName());
}
List<AugeasNode> nodes = tree.matchRelative(mapNode, propDefMap.getName());
AugeasNode node;
int i;
if (nodes.isEmpty() || nodes.size() < seq) {
node = tree.createNode(mapNode, propDefMap.getName(), null, seq);
nodes.add(node);
i = ((seq == 0) ? 0 : seq - 1);
} else if (seq == 0) {
node = nodes.get(0);
i = 0;
} else {
node = nodes.get(seq - 1);
i = seq - 1;
}
for (PropertyDefinition mapEntryPropDef : propDefMap.getOrderedPropertyDefinitions()) {
updateProperty(mapEntryPropDef, map, nodes.get(i), 0);
}
}
public void updateList(PropertyDefinitionList propDef, Property prop, AugeasNode listNode, int seq)
throws AugeasRhqException {
PropertyList listProperty = null;
PropertyDefinition childDefinition = propDef.getMemberDefinition();
if (prop instanceof PropertyList) {
PropertyList lst = (PropertyList) prop;
listProperty = (PropertyList) lst.getList().get(seq - 1);
}
if (prop instanceof PropertyMap) {
PropertyMap map = (PropertyMap) prop;
listProperty = (PropertyList) map.get(propDef.getName());
}
List<AugeasNode> nodes = tree.matchRelative(listNode, propDef.getName());
AugeasNode node;
if (nodes.isEmpty() || nodes.size() < seq) {
node = tree.createNode(listNode, propDef.getName(), null, seq);
nodes.add(node);
} else
node = nodes.get(seq);
int i = 1;
for (Property prp : listProperty.getList()) {
System.out.println(prp.getName());
updateProperty(childDefinition, listProperty, node, i);
i = i + 1;
}
}
public void updateSimple(AugeasNode parentNode, PropertyDefinitionSimple propDef, Property prop, int seq)
throws AugeasRhqException {
PropertySimple simpleProp = null;
AugeasNode node;
if (prop instanceof PropertyList) {
PropertyList lst = (PropertyList) prop;
List<Property> props = lst.getList();
simpleProp = (PropertySimple) props.get(seq - 1);
}
if (prop instanceof PropertyMap) {
PropertyMap map = (PropertyMap) prop;
simpleProp = (PropertySimple) map.get(propDef.getName());
}
List<AugeasNode> nodes = tree.matchRelative(parentNode, propDef.getName());
if (nodes.isEmpty()) {
node = tree.createNode(parentNode, propDef.getName(), null, 1);
} else
node = nodes.get(0);
node.setValue(simpleProp.getStringValue());
}
public void updateProperty(PropertyDefinition propDef, Property parentProp, AugeasNode parentNode, int seq)
throws AugeasRhqException {
if (propDef instanceof PropertyDefinitionSimple) {
PropertyDefinitionSimple propDefSimple = (PropertyDefinitionSimple) propDef;
updateSimple(parentNode, propDefSimple, parentProp, seq);
} else if (propDef instanceof PropertyDefinitionMap) {
PropertyDefinitionMap propDefMap = (PropertyDefinitionMap) propDef;
updateMap(propDefMap, parentProp, parentNode, seq);
} else if (propDef instanceof PropertyDefinitionList) {
PropertyDefinitionList propDefList = (PropertyDefinitionList) propDef;
updateList(propDefList, parentProp, parentNode, seq);
} else {
throw new IllegalStateException("Unsupported PropertyDefinition subclass: " + propDef.getClass().getName());
}
}
}