Java tutorial
/* * 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 de.unioninvestment.eai.portal.portlet.crud.domain.model; import java.io.Serializable; import javax.portlet.PortletPreferences; import com.vaadin.server.VaadinPortletService; import de.unioninvestment.eai.portal.portlet.crud.config.PreferenceConfig; /** * A value that is persisted in the portlet preferences. * * @author carsten.mjartan */ public class Preference implements Serializable { private static final long serialVersionUID = 1L; protected PreferenceConfig config; public Preference(PreferenceConfig config) { this.config = config; } /** * @return the preference key */ public String getKey() { return config.getKey(); } /** * @return the value from the portlet preferences, or the configured default * value if not set */ public String getValue() { PortletPreferences liferayPreferences = VaadinPortletService.getCurrentPortletRequest().getPreferences(); return liferayPreferences.getValue(getKey(), config.getDefault()); } }