| /* |
| * 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.openjpa.lib.conf.test; |
| |
| import java.io.InputStream; |
| import java.io.IOException; |
| import java.net.URL; |
| import java.util.MissingResourceException; |
| import java.util.Properties; |
| |
| import org.apache.openjpa.lib.conf.AbstractProductDerivation; |
| import org.apache.openjpa.lib.conf.Configuration; |
| import org.apache.openjpa.lib.conf.ConfigurationProvider; |
| import org.apache.openjpa.lib.conf.MapConfigurationProvider; |
| import org.apache.openjpa.lib.conf.ProductDerivation; |
| |
| /** |
| * A Product Derivation to test loading of global and default configuration with |
| * System settings. Reads its global from a file specified by |
| * <code>"openjpatest.properties"</code> system property. |
| * |
| * @author Pinaki Poddar |
| * @author Abe White |
| */ |
| public class ConfigurationTestProductDerivation |
| extends AbstractProductDerivation { |
| |
| public static boolean closed = false; |
| |
| public int getType() { |
| return ProductDerivation.TYPE_PRODUCT; |
| } |
| |
| public void beforeConfigurationClose(Configuration conf) { |
| closed = true; |
| } |
| |
| public ConfigurationProvider loadGlobals(ClassLoader loader) |
| throws IOException { |
| return load(null, loader); |
| } |
| |
| public ConfigurationProvider load(String rsrc, ClassLoader loader) |
| throws IOException { |
| if (rsrc == null) |
| rsrc = System.getProperty("openjpatest.properties"); |
| if (rsrc == null || !rsrc.endsWith(".properties")) |
| return null; |
| |
| URL url = findResource(rsrc, loader); |
| if (url == null) |
| throw new MissingResourceException(rsrc, getClass().getName(), |
| rsrc); |
| |
| InputStream in = url.openStream(); |
| Properties props = new Properties(); |
| if (in != null) { |
| try { |
| props.load(in); |
| return new MapConfigurationProvider(props); |
| } finally { |
| try { in.close(); } catch (Exception e) {} |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Locate the given resource. |
| */ |
| private URL findResource(String rsrc, ClassLoader loader) |
| throws IOException { |
| if (loader != null) |
| return loader.getResource(rsrc); |
| |
| // in jbuilder the classloader can be null |
| URL url = null; |
| loader = getClass().getClassLoader(); |
| if (loader != null) |
| url = loader.getResource(rsrc); |
| if (url == null) { |
| loader = Thread.currentThread().getContextClassLoader(); |
| if (loader != null) |
| url = loader.getResource(rsrc); |
| } |
| if (url == null) { |
| loader = ClassLoader.getSystemClassLoader(); |
| if (loader != null) |
| url = loader.getResource(rsrc); |
| } |
| return url; |
| } |
| } |