/*
* Copyright 2004-2009 the original author or authors.
*
* Licensed 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.compass.core.config.binding;
import org.compass.core.config.ConfigurationException;
import org.compass.core.mapping.MappingException;
import org.compass.core.metadata.Alias;
import org.compass.core.metadata.CompassMetaData;
import org.compass.core.metadata.MetaData;
import org.compass.core.metadata.MetaDataGroup;
import org.compass.core.metadata.impl.AbstractMetaDataItem;
import org.compass.core.metadata.impl.DefaultAlias;
import org.compass.core.metadata.impl.DefaultCompassMetaData;
import org.compass.core.metadata.impl.DefaultMetaData;
import org.compass.core.metadata.impl.DefaultMetaDataGroup;
import org.compass.core.util.config.ConfigurationHelper;
/**
* @author kimchy
*/
public abstract class MetaDataBinding extends AbstractConfigurationHelperMappingBinding {
public boolean doAddConfiguration(ConfigurationHelper doc) throws ConfigurationException, MappingException {
if (!doc.getName().equals("compass-core-meta-data")) {
return false;
}
ConfigurationHelper[] groups = doc.getChildren("meta-data-group");
for (int i = 0; i < groups.length; i++) {
DefaultMetaDataGroup group = new DefaultMetaDataGroup();
bindGroup(groups[i], group, metaData);
MetaDataGroup tmpGroup = metaData.getGroup(group.getName());
if (tmpGroup != null) {
throw new ConfigurationException("Group [" + group.getName() + "] found twice");
}
((DefaultCompassMetaData) metaData).addGroup(group);
}
return true;
}
private void bindGroup(ConfigurationHelper groupConf, DefaultMetaDataGroup group,
CompassMetaData compassMetaData) throws ConfigurationException {
bindAbstractMetaDataItem(groupConf, group);
ConfigurationHelper[] aliases = groupConf.getChildren("alias");
for (int i = 0; i < aliases.length; i++) {
DefaultAlias alias = new DefaultAlias();
alias.setGroup(group);
bindAlias(aliases[i], alias);
Alias tmpAlias = compassMetaData.getAlias(alias.getId());
if (tmpAlias != null) {
throw new ConfigurationException("Alias [" + alias + "] found twice");
}
group.addAlias(alias);
}
ConfigurationHelper[] metadatas = groupConf.getChildren("meta-data");
for (int i = 0; i < metadatas.length; i++) {
DefaultMetaData metaData = new DefaultMetaData();
metaData.setGroup(group);
bindMetaData(metadatas[i], metaData);
MetaData tmpMetaData = compassMetaData.getMetaData(metaData.getId());
if (tmpMetaData != null) {
throw new ConfigurationException("MetaData [" + metaData + "] found twice");
}
group.addMetaData(metaData);
}
}
private void bindAlias(ConfigurationHelper aliasConf, DefaultAlias alias) throws ConfigurationException {
bindAbstractMetaDataItem(aliasConf, alias);
}
private void bindMetaData(ConfigurationHelper metaDataConf, DefaultMetaData metaData)
throws ConfigurationException {
bindAbstractMetaDataItem(metaDataConf, metaData);
ConfigurationHelper nameConf = metaDataConf.getChild("name");
metaData.setFormat(nameConf.getAttribute("format", null));
ConfigurationHelper[] values = metaDataConf.getChildren("value");
for (int i = 0; i < values.length; i++) {
String id = values[i].getAttribute("id");
metaData.setValue(id, values[i].getValue().trim());
}
}
private void bindAbstractMetaDataItem(ConfigurationHelper absConf, AbstractMetaDataItem item) {
item.setId(absConf.getAttribute("id"));
item.setDisplayName(absConf.getAttribute("displayName", item.getName()));
ConfigurationHelper descriptionConf = absConf.getChild("description", false);
if (descriptionConf != null) {
item.setDescription(descriptionConf.getValue().trim());
} else {
item.setDescription(item.getName());
}
ConfigurationHelper uriConf = absConf.getChild("uri", false);
if (uriConf != null) {
item.setUri(uriConf.getValue().trim());
} else {
item.setUri(item.getName());
}
ConfigurationHelper nameConf = absConf.getChild("name", false);
if (nameConf != null) {
item.setName(nameConf.getValue().trim());
}
}
}