/******************************************************************************* | |
* Copyright (c) 2011, 2013 Oracle and/or its affiliates. All rights reserved. | |
* This program and the accompanying materials are made available under the | |
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 | |
* which accompanies this distribution. | |
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html | |
* and the Eclipse Distribution License is available at | |
* http://www.eclipse.org/org/documents/edl-v10.php. | |
* | |
* Contributors: | |
* dclarke/tware - initial | |
******************************************************************************/ | |
package org.eclipse.persistence.jpa.rs.util; | |
import java.io.IOException; | |
import java.io.InputStream; | |
import java.net.URISyntaxException; | |
import java.net.URL; | |
import org.eclipse.persistence.internal.jpa.deployment.PersistenceUnitProcessor; | |
import org.eclipse.persistence.internal.jpa.deployment.URLArchive; | |
/** | |
* This archive is designed for use with dynamic persistence units | |
* it is built with a stream that allows it to read a persistence.xml file and creates a fake base URL | |
* based the classpath location of the InMemoryArchiveClass | |
* @author tware | |
* | |
*/ | |
public class InMemoryArchive extends URLArchive { | |
private InputStream stream = null; | |
private InMemoryArchive(){ | |
super(null, null); | |
String persistenceFactoryResource = InMemoryArchive.class.getName().replace('.', '/') + ".class"; | |
URL myURL = InMemoryArchive.class.getClassLoader().getResource(persistenceFactoryResource); | |
try{ | |
myURL = PersistenceUnitProcessor.computePURootURL(myURL, persistenceFactoryResource); | |
} catch (URISyntaxException e){ | |
e.printStackTrace(); | |
} catch (IOException e){ | |
e.printStackTrace(); | |
} | |
this.rootURL = myURL; | |
} | |
public InMemoryArchive(InputStream stream){ | |
this(); | |
this.stream = stream; | |
} | |
@Override | |
public InputStream getDescriptorStream() throws IOException { | |
return stream; | |
} | |
@Override | |
public void close() { | |
super.close(); | |
try{ | |
stream.close(); | |
} catch (IOException e){}; | |
stream = null; | |
} | |
} |