org.apache.openjpa.jdbc.conf.MappingRepositoryValue Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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*/
package org.apache.openjpa.jdbc.conf;
import java.lang.reflect.InvocationTargetException;
import java.security.AccessController;
import org.apache.openjpa.jdbc.meta.MappingRepository;
import org.apache.openjpa.lib.conf.Configuration;
import org.apache.openjpa.lib.conf.PluginValue;
import org.apache.openjpa.lib.util.ClassUtil;
import org.apache.openjpa.lib.util.J2DoPrivHelper;
/**
* Handles the complex logic of creating a {@link MappingRepository} for
* a given configuration.
*
* @author Marc Prud'hommeaux
*/
public class MappingRepositoryValue
extends PluginValue {
public MappingRepositoryValue(String prop) {
super(prop, true);
}
@Override
public Object newInstance(String clsName, Class type,
Configuration conf, boolean fatal) {
// since the MappingRepository takes a JDBConfiguration constructor,
// we need to manually perform the instantiation
try {
Class cls = ClassUtil.toClass(clsName,
AccessController.doPrivileged(
J2DoPrivHelper.getClassLoaderAction(type)));
return cls.getConstructor(new Class[]{ JDBCConfiguration.class }).
newInstance(new Object[]{ conf });
} catch (RuntimeException e) {
throw e;
} catch (InvocationTargetException e) {
if (e.getTargetException() instanceof RuntimeException)
throw(RuntimeException) e.getTargetException();
// fall back to default behavior for better error reporting
return super.newInstance(clsName, type, conf, fatal);
} catch (Exception e) {
// fall back to default behavior for better error reporting
return super.newInstance(clsName, type, conf, fatal);
}
}
}