/* * $Id$ * * 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 org.apache.struts2.config; import com.opensymphony.xwork2.util.location.Location; import com.opensymphony.xwork2.util.logging.Logger; import com.opensymphony.xwork2.util.logging.LoggerFactory; import org.apache.struts2.StrutsConstants; import java.util.ArrayList; import java.util.Iterator; import java.util.StringTokenizer; /** * DefaultSettings implements optional methods of Settings. * <p> * This class creates and delegates to other settings by using an internal * {@link DelegatingSettings} object. */ public class DefaultSettings implements Settings { private static final Logger LOG = LoggerFactory.getLogger(DefaultSettings.class); /** * The Settings object that handles API calls. */ private Settings delegate; /** * Constructs an instance by loading the standard property files, * any custom property files (<code>struts.custom.properties</code>), * and any custom message resources (). * <p> * Since this constructor combines Settings from multiple resources, * it utilizes a {@link DelegatingSettings} instance, * and all API calls are handled by that instance. */ public DefaultSettings() { ArrayList<Settings> list = new ArrayList<Settings>(); // stuts.properties, default.properties try { list.add(new PropertiesSettings("struts")); } catch (Exception e) { LOG.warn("DefaultSettings: Could not find or error in struts.properties", e); } delegate = new DelegatingSettings(list); // struts.custom.properties String files = delegate.get(StrutsConstants.STRUTS_CUSTOM_PROPERTIES); if (files != null) { StringTokenizer customProperties = new StringTokenizer(files, ","); while (customProperties.hasMoreTokens()) { String name = customProperties.nextToken(); try { list.add(new PropertiesSettings(name)); } catch (Exception e) { LOG.error("DefaultSettings: Could not find " + name + ".properties. Skipping."); } } delegate = new DelegatingSettings(list); } } public Location getLocation(String name) { return delegate.getLocation(name); } public String get(String aName) throws IllegalArgumentException { return delegate.get(aName); } public Iterator list() { return delegate.list(); } }