/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.jcr.ext.script.groovy;
import org.exoplatform.services.jcr.ext.resource.JcrURLConnection;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import org.exoplatform.services.rest.ext.groovy.DefaultGroovyResourceLoader;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
/**
* JCR groovy resource resolver.
*/
public class JcrGroovyResourceLoader extends DefaultGroovyResourceLoader
{
private static final Log LOG = ExoLogger.getLogger(JcrGroovyResourceLoader.class);
private static URL[] normalizeJcrURL(URL[] src) throws MalformedURLException
{
URL[] res = new URL[src.length];
for (int i = 0; i < src.length; i++)
{
if ("jcr".equals(src[i].getProtocol()))
{
String ref = src[i].getRef();
if (ref == null)
{
ref = "/";
}
else if (ref.charAt(ref.length() - 1) != '/')
{
ref = ref + "/"; //NOSONAR
}
res[i] = new URL(src[i], "#" + ref);
}
else
{
res[i] = src[i];
}
}
return res;
}
public JcrGroovyResourceLoader(URL[] roots) throws MalformedURLException
{
super(normalizeJcrURL(roots));
}
public JcrGroovyResourceLoader(URL root) throws MalformedURLException
{
this(new URL[]{root});
}
/**
* @see org.exoplatform.services.rest.ext.groovy.DefaultGroovyResourceLoader#getResource(java.lang.String)
*/
@Override
protected URL getResource(String filename) throws MalformedURLException
{
if (LOG.isDebugEnabled())
LOG.debug("Process file: " + filename);
return super.getResource(filename);
}
/**
* @see org.exoplatform.services.rest.ext.groovy.DefaultGroovyResourceLoader#createURL(java.net.URL,java.lang.String)
*/
@Override
protected URL createURL(URL root, String filename) throws MalformedURLException
{
return ("jcr".equals(root.getProtocol())) ? new URL(root, "#" + root.getRef() + filename)
: new URL(root, filename);
}
/**
* @see org.exoplatform.services.rest.ext.groovy.DefaultGroovyResourceLoader#checkResource(java.net.URL)
*/
@Override
protected boolean checkResource(URL resource)
{
URLConnection connection = null;
try
{
if (LOG.isDebugEnabled())
LOG.debug("Try to load resource from URL : " + resource);
connection = resource.openConnection();
connection.getInputStream().close();
return true;
}
catch (IOException e)
{
if (LOG.isDebugEnabled())
LOG.debug("Can't open URL : " + resource);
return false;
}
finally
{
if (connection != null && resource != null && "jcr".equals(resource.getProtocol()))
((JcrURLConnection)connection).disconnect();
}
}
}