Package org.jboss.deployment

Source Code of org.jboss.deployment.TldParsingDeployer

/*
* JBoss, Home of Professional Open Source
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.jboss.deployment;

import org.jboss.deployers.spi.structure.MetaDataTypeFilter;
import org.jboss.deployers.vfs.spi.deployer.SchemaResolverDeployer;
import org.jboss.deployers.vfs.spi.structure.VFSDeploymentUnit;
import org.jboss.metadata.web.spec.TldMetaData;
import org.jboss.vfs.VirtualFile;

/**
* An ObjectModelFactoryDeployer for translating tag library descriptors into
* TldMetaData instances.
*
* @author Scott.Stark@jboss.org
* @author adrian@jboss.org
* @version $Revision: 82920 $
*/
public class TldParsingDeployer extends SchemaResolverDeployer<TldMetaData>
{
   /**
    * Create a new TldParsingDeployer.
    */
   public TldParsingDeployer()
   {
      super(TldMetaData.class);
      setSuffix(".tld");
      setAllowMultipleFiles(true);
      setFilter(MetaDataTypeFilter.ALL);
   }
  
   protected void init(VFSDeploymentUnit unit, TldMetaData metaData, VirtualFile file) throws Exception
   {
      unit.addAttachment(TldMetaData.class.getName() + ":" + file.getPathNameRelativeTo(unit.getRoot()), metaData, getOutput());
   }

   protected TldMetaData parse(VirtualFile file) throws Exception {
      if (file == null)
         throw new IllegalArgumentException("Null file");

      // Implicit TLDs are reserved as the "implicit.tld" name
      if (file.getName().equals("implicit.tld")) {
         return new TldMetaData();
      } else {
         return super.parse(file);
      }
   }
}
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