org.modelmapper.internal.valueaccess.MapValueReader Maven / Gradle / Ivy
/*
* Copyright 2013 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.modelmapper.internal.valueaccess;
import java.util.Collection;
import java.util.Map;
import org.modelmapper.spi.ValueReader;
/**
* Handles reading from java.util.Map instances.
*
* @author Jonathan Halterman
*/
public class MapValueReader implements ValueReader> {
public Object get(Map source, String memberName) {
if (!source.containsKey(memberName))
return null;
return source.get(memberName);
}
@SuppressWarnings("unchecked")
public Member> getMember(Map source, String memberName) {
final Object value = get(source, memberName);
if (value == null) {
return null;
}
if (value instanceof Map) {
return new Member>(this, Map.class, (Map) value);
}
return new Member>(this, value.getClass());
}
public Collection memberNames(Map source) {
return source.keySet();
}
}