/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.platform.plugin.action.jfreereport.helper;
import org.pentaho.actionsequence.dom.IActionResource;
import org.pentaho.platform.api.engine.IActionSequenceResource;
import org.pentaho.platform.api.repository2.unified.RepositoryFilePermission;
import org.pentaho.platform.engine.services.actionsequence.ActionSequenceResource;
import org.pentaho.platform.util.messages.LocaleHelper;
import org.pentaho.reporting.libraries.resourceloader.ResourceData;
import org.pentaho.reporting.libraries.resourceloader.ResourceKey;
import org.pentaho.reporting.libraries.resourceloader.ResourceLoadingException;
import org.pentaho.reporting.libraries.resourceloader.ResourceManager;
import org.pentaho.reporting.libraries.resourceloader.loader.AbstractResourceData;
import java.io.InputStream;
/**
* This class is implemented to support loading solution files from the pentaho repository into JFreeReport
*
* @author Will Gorman
*/
public class PentahoResourceData extends AbstractResourceData {
private static final long serialVersionUID = 1806026106310340013L;
private String filename;
private ResourceKey key;
/**
* constructor which takes a resource key for data loading specifics
*
* @param key
* resource key
*/
public PentahoResourceData( final ResourceKey key ) throws ResourceLoadingException {
if ( key == null ) {
throw new NullPointerException();
}
this.key = key;
this.filename = (String) key.getIdentifier();
}
/**
* gets a resource stream from the runtime context.
*
* @param caller
* resource manager
* @return input stream
*/
public InputStream getResourceAsStream( final ResourceManager caller ) throws ResourceLoadingException {
int resourceType = IActionResource.SOLUTION_FILE_RESOURCE;
if ( filename.contains( "://" ) ) {
resourceType = IActionResource.URL_RESOURCE;
}
final IActionSequenceResource resource =
new ActionSequenceResource( "", resourceType, "application/binary", (String) key.getIdentifier() ); //$NON-NLS-1$ //$NON-NLS-2$
return resource.getInputStream( RepositoryFilePermission.READ, LocaleHelper.getLocale() );
}
/**
* returns a requested attribute, currently only supporting filename.
*
* @param key
* attribute requested
* @return attribute value
*/
public Object getAttribute( final String lookupKey ) {
if ( lookupKey.equals( ResourceData.FILENAME ) ) {
return filename;
}
return null;
}
/**
* return the version number. We don't have access to file dates or versions so return 0
*
* @param caller
* resource manager
*
* @return version
*/
public long getVersion( final ResourceManager caller ) throws ResourceLoadingException {
final ActionSequenceResource resource =
new ActionSequenceResource(
"", IActionResource.SOLUTION_FILE_RESOURCE, "application/binary", (String) key.getIdentifier() ); //$NON-NLS-1$ //$NON-NLS-2$
return resource.getLastModifiedDate( null );
}
/**
* get the resource key
*
* @return resource key
*/
public ResourceKey getKey() {
return key;
}
}