com.phloc.commons.xml.transform.DefaultTransformURIResolver Maven / Gradle / Ivy
/**
* Copyright (C) 2006-2014 phloc systems
* http://www.phloc.com
* office[at]phloc[dot]com
*
* 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 com.phloc.commons.xml.transform;
import javax.annotation.Nullable;
import javax.xml.transform.Source;
import javax.xml.transform.TransformerException;
import javax.xml.transform.URIResolver;
import com.phloc.commons.io.IReadableResource;
import com.phloc.commons.xml.ls.SimpleLSResourceResolver;
/**
* Implementation of the {@link javax.xml.transform.URIResolver} interface using
* {@link SimpleLSResourceResolver} to resolve resources.
*
* @author Philip Helger
*/
public class DefaultTransformURIResolver extends AbstractTransformURIResolver
{
public DefaultTransformURIResolver ()
{
super ();
}
public DefaultTransformURIResolver (@Nullable final URIResolver aWrappedURIResolver)
{
super (aWrappedURIResolver);
}
@Override
@Nullable
protected Source internalResolve (final String sHref, final String sBase) throws TransformerException
{
try
{
final IReadableResource aRes = SimpleLSResourceResolver.doStandardResourceResolving (sHref, sBase);
if (aRes != null && aRes.exists ())
return TransformSourceFactory.create (aRes);
}
catch (final Exception ex)
{
throw new TransformerException (sHref + "//" + sBase, ex);
}
// Nothing to resolve
return null;
}
}