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/**
 * Copyright 2005-2013 Dozer Project
 *
 * 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.dozer.metadata;

import java.util.ArrayList;
import java.util.List;

import org.dozer.classmap.ClassMap;
import org.dozer.classmap.MappingDirection;
import org.dozer.fieldmap.FieldMap;

/**
 * Internal use only.
 * @author Florian Kunz
 */
public final class DozerClassMappingMetadata implements ClassMappingMetadata {
	
	private final ClassMap classMap;
	
	public DozerClassMappingMetadata(ClassMap classMap) {
		this.classMap = classMap;
	}
	
	public String getSourceClassName() {
		return classMap.getSrcClassName();
	}

	public String getDestinationClassName() {
		return classMap.getDestClassName();
	}

	public Class getSourceClass() {
		return classMap.getSrcClassToMap();
	}

	public Class getDestinationClass() {
		return classMap.getDestClassToMap();
	}

	public boolean isStopOnErrors() {
		return classMap.isStopOnErrors();
	}

	public boolean isTrimStrings() {
		return classMap.isTrimStrings();
	}

	public boolean isWildcard() {
		return classMap.isWildcard();
	}

	public boolean isSourceMapNull() {
		return classMap.isSrcMapNull();
	}

	public boolean isDestinationMapNull() {
		return classMap.isDestMapNull();
	}

	public boolean isSourceMapEmptyString() {
		return classMap.isSrcMapEmptyString();
	}

	public boolean isDestinationMapEmptyString() {
		return classMap.isDestMapEmptyString();
	}

	public String getDateFormat() {
		return classMap.getDateFormat();
	}

	public MappingDirection getMappingDirection() {
		return classMap.getType();
	}

	public String getMapId() {
		return classMap.getMapId();
	}

	public List getFieldMappings() {
		List fieldMapCats = new ArrayList();
		for(FieldMap fieldMap : classMap.getFieldMaps()) {
			fieldMapCats.add(new DozerFieldMappingMetadata(fieldMap));
		}
		
		return fieldMapCats;
	}

	public FieldMappingMetadata getFieldMappingBySource(String sourceFieldName) {
		FieldMap fieldMap = classMap.getFieldMapUsingSrc(sourceFieldName);
		if (fieldMap == null) {
			throw new MetadataLookupException("Field mapping " + sourceFieldName + " not found for class " + classMap.getSrcClassName());
		}
		
		return new DozerFieldMappingMetadata(fieldMap);
	}

	public FieldMappingMetadata getFieldMappingByDestination(String destinationFieldName) {
		FieldMap fieldMap = classMap.getFieldMapUsingDest(destinationFieldName);
		if (fieldMap == null) {
			throw new MetadataLookupException("Field mapping " + destinationFieldName + " not found for class " + classMap.getDestClassName());
		}
		
		return new DozerFieldMappingMetadata(fieldMap);
	}

}