/** * Copyright (C) 2015 Valkyrie RCP * * 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.valkyriercp.binding.value.support; import org.valkyriercp.binding.value.ValueModel; import java.util.Map; /** * * @author HP */ public class MapKeyAdapter extends AbstractValueModel { private ValueModel mapValueModel; private Object key; public MapKeyAdapter(ValueModel valueModel, Object key) { super(); this.mapValueModel = valueModel; setKey(key); } public void setKey(Object key) { this.key = key; } public Object getValue() { Map map = (Map)mapValueModel.getValue(); if (map == null) { return null; } return map.get(key); } public void setValue(Object value) { Map map = (Map)mapValueModel.getValue(); if (map == null) { return; } map.put(key, value); } }