/*
* Copyright 2010 JBoss Inc
*
* Licensed 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 "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.xml.changeset;
import java.util.Collection;
import java.util.HashSet;
import org.drools.builder.ResourceType;
import org.drools.io.Resource;
import org.drools.io.impl.ClassPathResource;
import org.drools.io.impl.KnowledgeResource;
import org.drools.io.impl.UrlResource;
import org.drools.io.internal.InternalResource;
import org.drools.xml.BaseAbstractHandler;
import org.drools.xml.ExtensibleXmlParser;
import org.drools.xml.Handler;
import org.w3c.dom.Element;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
public class ResourceHandler extends BaseAbstractHandler
implements
Handler {
public ResourceHandler() {
if ( (this.validParents == null) && (this.validPeers == null) ) {
this.validParents = new HashSet(1);
this.validParents.add( Collection.class );
this.validPeers = new HashSet(2);
this.validPeers.add( null );
this.validPeers.add( Resource.class );
this.allowNesting = true;
}
}
public Object start(String uri,
String localName,
Attributes attrs,
ExtensibleXmlParser parser) throws SAXException {
parser.startElementBuilder( localName,
attrs );
final Collection collection = (Collection) parser.getParent();
String src = attrs.getValue( "source" );
String type = attrs.getValue( "type" );
String basicAuthentication = attrs.getValue( "basicAuthentication" );
String username = attrs.getValue( "username" );
String password = attrs.getValue( "password" );
String name = attrs.getValue( "name" );
String description = attrs.getValue( "description" );
String categories = attrs.getValue( "categories" );
emptyAttributeCheck( localName,
"source",
src,
parser );
emptyAttributeCheck( localName,
"type",
type,
parser );
InternalResource resource = null;
if ( src.trim().startsWith( "classpath:" ) ) {
resource = new ClassPathResource( src.substring( src.indexOf( ':' ) + 1 ), parser.getClassLoader() );
} else {
resource = new UrlResource( src );
((UrlResource)resource).setBasicAuthentication(basicAuthentication);
((UrlResource)resource).setUsername(username);
((UrlResource)resource).setPassword(password);
}
resource.setResourceType( ResourceType.getResourceType( type ) );
resource.setName(name);
resource.setDescription(description);
resource.setCategories(categories);
return resource;
}
public Object end(String uri,
String localName,
ExtensibleXmlParser parser) throws SAXException {
final Element element = parser.endElementBuilder();
final Collection collection = (Collection) parser.getParent();
final Resource resource = ( Resource ) parser.getCurrent();
collection.add( resource );
return resource;
}
public Class< ? > generateNodeFor() {
return KnowledgeResource.class;
}
}