/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.geronimo.system.configuration;
import java.util.LinkedHashMap;
import java.util.Map;
import org.apache.geronimo.gbean.AbstractName;
import org.apache.geronimo.kernel.InvalidGBeanException;
import org.apache.geronimo.kernel.repository.Artifact;
import org.apache.geronimo.system.configuration.condition.ConditionParser;
import org.apache.geronimo.system.configuration.condition.JexlConditionParser;
import org.apache.geronimo.system.configuration.condition.JexlExpressionParser;
import org.apache.geronimo.system.plugin.model.GbeanType;
import org.apache.geronimo.system.plugin.model.ModuleType;
/**
* @version $Rev: 593629 $ $Date: 2007-11-09 14:29:01 -0500 (Fri, 09 Nov 2007) $
*/
class ConfigurationOverride {
/**
* Default condition parser.
*/
private static final ConditionParser DEFAULT_COND_PARSER = new JexlConditionParser();
private final Artifact name;
private boolean load;
private String condition;
private String comment;
private final Map<Object, GBeanOverride> gbeans = new LinkedHashMap<Object, GBeanOverride>();
private ConditionParser parser = DEFAULT_COND_PARSER;
public ConfigurationOverride(Artifact name, boolean load) {
this.name = name;
this.load = load;
}
/**
* Create a copy of a ConfigurationOverride with a new Artifact name
* @param base The original
* @param name The new Artifact name
*/
public ConfigurationOverride(ConfigurationOverride base, Artifact name) {
this.name = name;
this.load = base.load;
this.condition = base.condition;
this.comment = base.comment;
for (GBeanOverride gbean : base.gbeans.values()) {
GBeanOverride replacement = new GBeanOverride(gbean, base.name.toString(), name.toString());
gbeans.put(replacement.getName(), replacement);
}
}
public ConfigurationOverride(ModuleType module, JexlExpressionParser expressionParser) throws InvalidGBeanException {
name = Artifact.create(module.getName());
condition = module.getCondition();
comment = module.getComment();
load = module.isLoad();
for (GbeanType gbeanType: module.getGbean()) {
GBeanOverride gbean = new GBeanOverride(gbeanType, expressionParser);
addGBean(gbean);
}
parser = new JexlConditionParser(expressionParser.getVariables());
}
public Artifact getName() {
return name;
}
public String getCondition() {
return condition;
}
public void setCondition(final String condition) {
this.condition = condition;
}
public String getComment() {
return comment;
}
public void setComment(String comment) {
this.comment = comment;
}
private boolean parseCondition() {
if (condition == null) {
// no condition means true
return true;
}
return parser.evaluate(condition);
}
public boolean isLoad() {
return load && parseCondition();
}
public void setLoad(boolean load) {
this.load = load;
}
public GBeanOverride getGBean(String gbeanName) {
return gbeans.get(gbeanName);
}
public void addGBean(GBeanOverride gbean) {
gbeans.put(gbean.getName(), gbean);
}
public void addGBean(String gbeanName, GBeanOverride gbean) {
gbeans.put(gbeanName, gbean);
}
public Map getGBeans() {
return gbeans;
}
public GBeanOverride getGBean(AbstractName gbeanName) {
return gbeans.get(gbeanName);
}
public void addGBean(AbstractName gbeanName, GBeanOverride gbean) {
gbeans.put(gbeanName, gbean);
}
public ModuleType writeXml() {
ModuleType module = new ModuleType();
module.setName(name.toString());
if (condition != null && condition.trim().length() != 0) {
module.setCondition(condition);
} else if (!load) {
module.setLoad(false);
}
if (comment != null && comment.trim().length() > 0) {
module.setComment(comment.trim());
}
// GBeans
for (GBeanOverride gbeanOverride : gbeans.values()) {
GbeanType gbean = gbeanOverride.writeXml();
module.getGbean().add(gbean);
}
return module;
}
}