/*
* (C) Copyright 2012 Nuxeo SA (http://nuxeo.com/) and others.
*
* 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.
*
* Contributors:
* mcedica
*/
package org.nuxeo.ecm.core.api.propertiesmapping.impl;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.nuxeo.ecm.core.api.CoreSession;
import org.nuxeo.ecm.core.api.DocumentModel;
import org.nuxeo.ecm.core.api.NuxeoException;
import org.nuxeo.ecm.core.api.model.Property;
import org.nuxeo.ecm.core.api.model.PropertyNotFoundException;
import org.nuxeo.ecm.core.api.propertiesmapping.PropertiesMappingContributionRegistry;
import org.nuxeo.ecm.core.api.propertiesmapping.PropertiesMappingDescriptor;
import org.nuxeo.ecm.core.api.propertiesmapping.PropertiesMappingService;
import org.nuxeo.ecm.core.schema.types.ComplexType;
import org.nuxeo.ecm.core.schema.types.Field;
import org.nuxeo.ecm.core.schema.types.ListType;
import org.nuxeo.ecm.core.schema.types.Type;
import org.nuxeo.runtime.model.ComponentInstance;
import org.nuxeo.runtime.model.DefaultComponent;
/**
* Service that allows to copy a set of metadata from a source to a target document
*
* @since 5.6
*/
public class PropertiesMappingComponent extends DefaultComponent implements PropertiesMappingService {
public static final Log log = LogFactory.getLog(PropertiesMappingComponent.class);
public static final String MAPPING_EP = "mapping";
protected PropertiesMappingContributionRegistry mappingsRegistry = new PropertiesMappingContributionRegistry();
@Override
public void registerContribution(Object contribution, String extensionPoint, ComponentInstance contributor) {
if (MAPPING_EP.equals(extensionPoint)) {
PropertiesMappingDescriptor desc = (PropertiesMappingDescriptor) contribution;
mappingsRegistry.addContribution(desc);
}
}
@Override
public Map<String, String> getMapping(String mappingName) {
return mappingsRegistry.getMappingProperties(mappingName);
}
@Override
public void mapProperties(CoreSession session, DocumentModel sourceDoc, DocumentModel targetDoc, String mapping)
{
Map<String, String> properties = getMapping(mapping);
for (String keyProp : properties.keySet()) {
// verify that mapping can be done
Property sourceProperty = sourceDoc.getProperty(keyProp);
Property targetProperty = targetDoc.getProperty(properties.get(keyProp));
Type sourceType = sourceProperty.getType();
Type targetType = targetProperty.getType();
if (!compatibleTypes(targetType, sourceType)) {
throw new NuxeoException(
String.format("Invalid mapping. Cannot map %s on type %s ", sourceType, targetType));
}
targetDoc.setPropertyValue(targetProperty.getXPath(), sourceProperty.getValue());
}
session.saveDocument(targetDoc);
}
protected boolean compatibleTypes(Type targetType, Type sourceType) {
if (!sourceType.getName().equals(targetType.getName())) {
return false;
}
if (sourceType.isComplexType()) {
for (Field field : ((ComplexType) sourceType).getFields()) {
Field targetField = ((ComplexType) targetType).getField(field.getName());
if (targetField == null || !field.getType().equals(targetField.getType())) {
return false;
}
}
}
if (sourceType.isListType()) {
if (!((ListType) sourceType).getFieldType().equals(((ListType) targetType).getFieldType())) {
return false;
}
if (((ListType) sourceType).getFieldType().isComplexType()) {
return compatibleTypes(((ListType) targetType).getFieldType(), ((ListType) sourceType).getFieldType());
}
}
return true;
}
}