/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cxf.feature.transform;
import java.io.InputStream;
import javax.xml.stream.XMLStreamException;
import javax.xml.transform.Templates;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import org.w3c.dom.Document;
import org.apache.cxf.common.classloader.ClassLoaderUtils;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageUtils;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.staxutils.StaxUtils;
/**
* Creates an XMLStreamReader from the InputStream on the Message.
*/
public abstract class AbstractXSLTInterceptor extends AbstractPhaseInterceptor<Message> {
private static final TransformerFactory TRANSFORM_FACTORY = TransformerFactory.newInstance();
static {
try {
TRANSFORM_FACTORY.setFeature(javax.xml.XMLConstants.FEATURE_SECURE_PROCESSING, true);
} catch (javax.xml.transform.TransformerConfigurationException ex) {
//
}
}
private String contextPropertyName;
private final Templates xsltTemplate;
public AbstractXSLTInterceptor(String phase, Class<?> before, Class<?> after, String xsltPath) {
super(phase);
if (before != null) {
addBefore(before.getName());
}
if (after != null) {
addAfter(after.getName());
}
try {
InputStream xsltStream = ClassLoaderUtils.getResourceAsStream(xsltPath, this.getClass());
if (xsltStream == null) {
throw new IllegalArgumentException("Cannot load XSLT from path: " + xsltPath);
}
Document doc = StaxUtils.read(xsltStream);
xsltTemplate = TRANSFORM_FACTORY.newTemplates(new DOMSource(doc));
} catch (TransformerConfigurationException e) {
throw new IllegalArgumentException(
String.format("Cannot create XSLT template from path: %s",
xsltPath), e);
} catch (XMLStreamException e) {
throw new IllegalArgumentException(
String.format("Cannot create XSLT template from path: %s",
xsltPath), e);
}
}
public void setContextPropertyName(String propertyName) {
contextPropertyName = propertyName;
}
protected boolean checkContextProperty(Message message) {
return contextPropertyName != null
&& !MessageUtils.getContextualBoolean(message, contextPropertyName, false);
}
protected Templates getXSLTTemplate() {
return xsltTemplate;
}
}