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/**
* 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.jaxws.handler;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.ResourceBundle;
import java.util.StringTokenizer;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Pattern;
import javax.jws.HandlerChain;
import javax.jws.WebService;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.namespace.QName;
import javax.xml.ws.WebServiceException;
import javax.xml.ws.handler.Handler;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.apache.cxf.Bus;
import org.apache.cxf.common.classloader.ClassLoaderUtils;
import org.apache.cxf.common.i18n.BundleUtils;
import org.apache.cxf.common.i18n.Message;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.util.StringUtils;
import org.apache.cxf.helpers.XMLUtils;
import org.apache.cxf.jaxws.javaee.PortComponentHandlerType;
@SuppressWarnings("rawtypes")
public class AnnotationHandlerChainBuilder extends HandlerChainBuilder {
private static final Logger LOG = LogUtils.getL7dLogger(AnnotationHandlerChainBuilder.class);
private static final ResourceBundle BUNDLE = LOG.getResourceBundle();
private static JAXBContext context;
private ClassLoader classLoader;
public AnnotationHandlerChainBuilder() {
}
public AnnotationHandlerChainBuilder(Bus bus) {
super(bus);
}
/**
* @param clz
* @param existingHandlers
* @return
*/
public List buildHandlerChainFromClass(Class clz, List existingHandlers,
QName portQName, QName serviceQName, String bindingID) {
LOG.fine("building handler chain");
classLoader = clz.getClassLoader();
HandlerChainAnnotation hcAnn = findHandlerChainAnnotation(clz, true);
List chain = null;
if (hcAnn == null) {
LOG.fine("no HandlerChain annotation on " + clz);
chain = new ArrayList();
} else {
hcAnn.validate();
try {
URL handlerFileURL = resolveHandlerChainFile(clz, hcAnn.getFileName());
if (handlerFileURL == null) {
throw new WebServiceException(new Message("HANDLER_CFG_FILE_NOT_FOUND_EXC", BUNDLE, hcAnn
.getFileName()).toString());
}
Document doc = XMLUtils.parse(handlerFileURL.openStream());
Element el = doc.getDocumentElement();
if (!"http://java.sun.com/xml/ns/javaee".equals(el.getNamespaceURI())
|| !"handler-chains".equals(el.getLocalName())) {
String xml = XMLUtils.toString(el);
throw new WebServiceException(
BundleUtils.getFormattedString(BUNDLE,
"NOT_VALID_ROOT_ELEMENT",
"http://java.sun.com/xml/ns/javaee"
.equals(el.getNamespaceURI()),
"handler-chains".equals(el.getLocalName()),
xml, handlerFileURL));
}
chain = new ArrayList();
Node node = el.getFirstChild();
while (node != null) {
if (node instanceof Element) {
el = (Element)node;
if (!el.getNamespaceURI().equals("http://java.sun.com/xml/ns/javaee")
|| !el.getLocalName().equals("handler-chain")) {
String xml = XMLUtils.toString(el);
throw new WebServiceException(
BundleUtils.getFormattedString(BUNDLE,
"NOT_VALID_ELEMENT_IN_HANDLER",
xml));
}
processHandlerChainElement(el, chain,
portQName, serviceQName, bindingID);
}
node = node.getNextSibling();
}
} catch (WebServiceException e) {
throw e;
} catch (Exception e) {
throw new WebServiceException(BUNDLE.getString("CHAIN_NOT_SPECIFIED_EXC"), e);
}
}
assert chain != null;
if (existingHandlers != null) {
chain.addAll(existingHandlers);
}
return sortHandlers(chain);
}
private void processHandlerChainElement(Element el, List chain,
QName portQName, QName serviceQName, String bindingID) {
Node node = el.getFirstChild();
while (node != null) {
Node cur = node;
node = node.getNextSibling();
if (cur instanceof Element) {
el = (Element)cur;
if (!el.getNamespaceURI().equals("http://java.sun.com/xml/ns/javaee")) {
String xml = XMLUtils.toString(el);
throw new WebServiceException(
BundleUtils.getFormattedString(BUNDLE,
"NOT_VALID_ELEMENT_IN_HANDLER",
xml));
}
String name = el.getLocalName();
if ("port-name-pattern".equals(name)) {
if (!patternMatches(el, portQName)) {
return;
}
} else if ("service-name-pattern".equals(name)) {
if (!patternMatches(el, serviceQName)) {
return;
}
} else if ("protocol-bindings".equals(name)) {
if (!protocolMatches(el, bindingID)) {
return;
}
} else if ("handler".equals(name)) {
processHandlerElement(el, chain);
}
}
}
}
private boolean protocolMatches(Element el, String id) {
if (id == null) {
return true;
}
String name = el.getTextContent().trim();
StringTokenizer st = new StringTokenizer(name, " ", false);
boolean result = false;
while (st.hasMoreTokens() && !result) {
result = result || singleProtocolMatches(st.nextToken(), id);
}
return result;
}
private boolean singleProtocolMatches(String name, String id) {
if ("##SOAP11_HTTP".equals(name)) {
return "http://schemas.xmlsoap.org/wsdl/soap/http".contains(id)
|| "http://schemas.xmlsoap.org/soap/".contains(id);
} else if ("##SOAP11_HTTP_MTOM".equals(name)) {
return "http://schemas.xmlsoap.org/wsdl/soap/http?mtom=true".contains(id)
|| "http://schemas.xmlsoap.org/soap/?mtom=true".contains(id);
} else if ("##SOAP12_HTTP".equals(name)) {
return "http://www.w3.org/2003/05/soap/bindings/HTTP/".contains(id)
|| "http://schemas.xmlsoap.org/wsdl/soap12/".contains(id);
} else if ("##SOAP12_HTTP_MTOM".equals(name)) {
return "http://www.w3.org/2003/05/soap/bindings/HTTP/?mtom=true".contains(id)
|| "http://schemas.xmlsoap.org/wsdl/soap12/?mtom=true".contains(id);
} else if ("##XML_HTTP".equals(name)) {
name = "http://www.w3.org/2004/08/wsdl/http";
}
return name.contains(id);
}
private boolean patternMatches(Element el, QName comp) {
if (comp == null) {
return true;
}
String namePattern = el.getTextContent().trim();
if ("*".equals(namePattern)) {
return true;
}
if (!namePattern.contains(":")) {
String xml = XMLUtils.toString(el);
throw new WebServiceException(
BundleUtils.getFormattedString(BUNDLE,
"NOT_A_QNAME_PATTER",
namePattern, xml));
}
String localPart = namePattern.substring(namePattern.indexOf(':') + 1,
namePattern.length());
String pfx = namePattern.substring(0, namePattern.indexOf(':'));
String ns = el.lookupNamespaceURI(pfx);
if (ns == null) {
ns = pfx;
}
if (!ns.equals(comp.getNamespaceURI())) {
return false;
}
if (localPart.contains("*")) {
//wildcard pattern matching
return Pattern.matches(mapPattern(localPart), comp.getLocalPart());
} else if (!localPart.equals(comp.getLocalPart())) {
return false;
}
return true;
}
private String mapPattern(String s) {
StringBuilder buf = new StringBuilder(s);
for (int x = 0; x < buf.length(); x++) {
switch (buf.charAt(x)) {
case '*':
buf.insert(x, '.');
x++;
break;
case '.':
case '\\':
case '^':
case '$':
case '{':
case '}':
case '(':
case ')':
buf.insert(x, '\\');
x++;
break;
default:
//nothing to do
}
}
return buf.toString();
}
private void processHandlerElement(Element el, List chain) {
try {
JAXBContext ctx = getContextForPortComponentHandlerType();
PortComponentHandlerType pt = ctx.createUnmarshaller()
.unmarshal(el, PortComponentHandlerType.class).getValue();
chain.addAll(buildHandlerChain(pt, classLoader));
} catch (JAXBException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private static synchronized JAXBContext getContextForPortComponentHandlerType()
throws JAXBException {
if (context == null) {
context = JAXBContext.newInstance(PortComponentHandlerType.class);
}
return context;
}
public List buildHandlerChainFromClass(Class clz, QName portQName, QName serviceQName,
String bindingID) {
return buildHandlerChainFromClass(clz, null, portQName, serviceQName, bindingID);
}
protected URL resolveHandlerChainAnnotationFile(Class clazz, String name) {
return clazz.getResource(name);
}
private HandlerChainAnnotation findHandlerChainAnnotation(Class clz, boolean searchSEI) {
if (clz == null) {
return null;
}
if (LOG.isLoggable(Level.FINE)) {
LOG.fine("Checking for HandlerChain annotation on " + clz.getName());
}
HandlerChainAnnotation hcAnn = null;
HandlerChain ann = clz.getAnnotation(HandlerChain.class);
if (ann == null) {
if (searchSEI) {
/* HandlerChain annotation can be specified on the SEI
* but the implementation bean might not implement the SEI.
*/
WebService ws = clz.getAnnotation(WebService.class);
if (ws != null && !StringUtils.isEmpty(ws.endpointInterface())) {
String seiClassName = ws.endpointInterface().trim();
Class seiClass = null;
try {
seiClass = ClassLoaderUtils.loadClass(seiClassName, clz);
} catch (ClassNotFoundException e) {
throw new WebServiceException(BUNDLE.getString("SEI_LOAD_FAILURE_EXC"), e);
}
// check SEI class and its interfaces for HandlerChain annotation
hcAnn = findHandlerChainAnnotation(seiClass, false);
}
}
if (hcAnn == null) {
// check interfaces for HandlerChain annotation
for (Class iface : clz.getInterfaces()) {
if (LOG.isLoggable(Level.FINE)) {
LOG.fine("Checking for HandlerChain annotation on " + iface.getName());
}
ann = iface.getAnnotation(HandlerChain.class);
if (ann != null) {
hcAnn = new HandlerChainAnnotation(ann, iface);
break;
}
}
if (hcAnn == null) {
hcAnn = findHandlerChainAnnotation(clz.getSuperclass(), false);
}
}
} else {
hcAnn = new HandlerChainAnnotation(ann, clz);
}
return hcAnn;
}
static class HandlerChainAnnotation {
private final Class declaringClass;
private final HandlerChain ann;
HandlerChainAnnotation(HandlerChain hc, Class clz) {
ann = hc;
declaringClass = clz;
}
public Class getDeclaringClass() {
return declaringClass;
}
public String getFileName() {
return ann.file();
}
public void validate() {
if (null == ann.file() || "".equals(ann.file())) {
throw new WebServiceException(BUNDLE.getString("ANNOTATION_WITHOUT_URL_EXC"));
}
}
public String toString() {
return "[" + declaringClass + "," + ann + "]";
}
}
}