/*
* 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.myfaces.extensions.validator.baseval.metadata.transformer;
import org.apache.myfaces.extensions.validator.baseval.annotation.JoinValidation;
import org.apache.myfaces.extensions.validator.baseval.annotation.extractor.DefaultPropertyScanningMetaDataExtractor;
import org.apache.myfaces.extensions.validator.core.metadata.MetaDataEntry;
import org.apache.myfaces.extensions.validator.core.metadata.extractor.MetaDataExtractor;
import org.apache.myfaces.extensions.validator.core.metadata.transformer.MetaDataTransformer;
import org.apache.myfaces.extensions.validator.core.validation.strategy.ValidationStrategy;
import org.apache.myfaces.extensions.validator.core.property.PropertyDetails;
import org.apache.myfaces.extensions.validator.util.ExtValUtils;
import org.apache.myfaces.extensions.validator.internal.UsageInformation;
import org.apache.myfaces.extensions.validator.internal.UsageCategory;
import javax.faces.context.FacesContext;
import java.util.HashMap;
import java.util.Map;
/**
* @author Gerhard Petracek
* @since 1.x.1
*/
@UsageInformation(UsageCategory.INTERNAL)
public class JoinMetaDataTransformer implements MetaDataTransformer
{
public Map<String, Object> convertMetaData(MetaDataEntry metaDataEntry)
{
MetaDataExtractor extractor = new DefaultPropertyScanningMetaDataExtractor();
String[] targetExpressions = metaDataEntry.getValue(JoinValidation.class).value();
ValidationStrategy validationStrategy;
MetaDataTransformer metaDataTransformer;
Map<String, Object> results = new HashMap<String, Object>();
PropertyDetails propertyDetails;
for (String targetExpression : targetExpressions)
{
propertyDetails = ExtValUtils
.createPropertyDetailsForNewTarget(metaDataEntry, targetExpression);
for (MetaDataEntry entry : extractor.extract(FacesContext.getCurrentInstance(),
propertyDetails).getMetaDataEntries())
{
validationStrategy = ExtValUtils.getValidationStrategyForMetaData(entry.getKey());
metaDataTransformer = ExtValUtils.getMetaDataTransformerForValidationStrategy(validationStrategy);
if (metaDataTransformer != null)
{
results.putAll(metaDataTransformer.convertMetaData(entry));
}
}
}
return results;
}
}