/*
* 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.synapse.util;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMException;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.util.AXIOMUtil;
import org.apache.axiom.soap.SOAPBody;
import org.apache.axiom.soap.SOAPFault;
import org.apache.axis2.context.MessageContext;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
/**
*
*/
public class POXUtils {
private static final Log log = LogFactory.getLog(POXUtils.class);
public static void convertSOAPFaultToPOX(MessageContext msgCtx) {
SOAPBody body = msgCtx.getEnvelope().getBody();
SOAPFault fault = body.getFault();
if (fault != null) {
OMFactory fac = msgCtx.getEnvelope().getOMFactory();
OMElement faultPayload = fac.createOMElement(new QName("Exception"));
if (fault.getDetail() != null && !fault.getDetail().getText().equals("")) {
String faultDetail = fault.getDetail().getText();
if (log.isDebugEnabled()) {
log.debug("Setting the fault detail : " + faultDetail + " as athe POX Fault");
}
OMElement om = getOMFromXML(faultDetail);
if(om == null) {
faultPayload.setText(faultDetail);
}
else {
faultPayload.addChild(om);
}
} else if (fault.getReason() != null && !fault.getReason().getText().equals("")) {
String faultReasonValue = fault.getReason().getText();
if (log.isDebugEnabled()) {
log.debug("Setting the fault reason : "
+ faultReasonValue + " as athe POX Fault");
}
faultPayload.setText(faultReasonValue);
} else if (log.isDebugEnabled()) {
log.debug("Couldn't find the fault detail or reason to compose POX Fault");
}
if (body.getFirstElement() != null) {
body.getFirstElement().detach();
}
msgCtx.setProcessingFault(true);
if (log.isDebugEnabled()) {
String msg = "Original SOAP Message : " + msgCtx.getEnvelope().toString() +
"POXFault Message created : " + faultPayload.toString();
log.debug(msg);
if (log.isTraceEnabled()) {
log.trace(msg);
}
}
body.addChild(faultPayload);
}
}
private static OMElement getOMFromXML(String text) {
int escape = StringUtils.countMatches(text, "<!") +
StringUtils.countMatches(text, "<?");
int numOfLTWithS = StringUtils.countMatches(text, "</");
int numOfGTWithS = StringUtils.countMatches(text, "/>");
int numOfLT = StringUtils.countMatches(text, "<") - escape;
//Should satisfy the conditions if an XML
if(numOfLT == 0 || ((numOfLTWithS * 2 + numOfGTWithS) != numOfLT)) {
return null;
}
try {
OMElement om = AXIOMUtil.stringToOM(text);
return om;
} catch (XMLStreamException ignore) {
// means not a xml
return null;
} catch (OMException ignore) {
// means not a xml
return null;
}
}
}