/* | |
* 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; | |
} | |
} |