/*******************************************************************************
* Copyright (c) 2001, 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.wsdl.validation.internal.wsdl11.xsd;
import java.io.IOException;
import java.io.InputStream;
import org.apache.xerces.xni.XMLResourceIdentifier;
import org.apache.xerces.xni.XNIException;
import org.apache.xerces.xni.parser.XMLEntityResolver;
import org.apache.xerces.xni.parser.XMLInputSource;
import org.eclipse.wst.wsdl.validation.internal.util.LazyURLInputStream;
/**
* Entity resolve to resolve file entities.
*/
public class FileEntityResolver implements XMLEntityResolver
{
/**
* @see org.apache.xerces.xni.parser.XMLEntityResolver#resolveEntity(org.apache.xerces.xni.XMLResourceIdentifier)
*/
public XMLInputSource resolveEntity(XMLResourceIdentifier resource) throws XNIException, IOException
{
String publicId = resource.getPublicId();
String systemId = resource.getExpandedSystemId();
String namespace = resource.getNamespace();
String url = null;
if(systemId != null)
{
url = systemId;
}
else if(publicId != null)
{
url = publicId;
}
else if(namespace != null)
{
url = namespace;
}
if(url != null)
{
InputStream is = new LazyURLInputStream(url);
return new XMLInputSource(publicId, resource.getExpandedSystemId(), resource.getExpandedSystemId(), is, null);
}
return null;
}
}