com.phloc.commons.convert.UnidirectionalConverterMapGet Maven / Gradle / Ivy
/**
* Copyright (C) 2006-2015 phloc systems
* http://www.phloc.com
* office[at]phloc[dot]com
*
* 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 com.phloc.commons.convert;
import java.util.Map;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import com.phloc.commons.ValueEnforcer;
/**
* An implementation of {@link IUnidirectionalConverter} that converts from a
* map key to a map value
*
* @author Philip Helger
* @param
* Map key type
* @param
* Map value type
*/
public final class UnidirectionalConverterMapGet implements IUnidirectionalConverter
{
private final Map m_aMap;
public UnidirectionalConverterMapGet (@Nonnull final Map aMap)
{
m_aMap = ValueEnforcer.notNull (aMap, "Map");
}
@Nullable
public VALUETYPE convert (@Nullable final KEYTYPE aKey)
{
return m_aMap.get (aKey);
}
}