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*
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// Portions Copyright [2016-2021] [Payara Foundation and/or its affiliates]
package org.glassfish.webservices.connector.annotation.handlers;
import com.sun.enterprise.deployment.EjbBundleDescriptor;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.ServiceReferenceDescriptor;
import com.sun.enterprise.deployment.WebServiceEndpoint;
import com.sun.enterprise.deployment.WebServiceHandler;
import com.sun.enterprise.deployment.WebServiceHandlerChain;
import com.sun.enterprise.deployment.annotation.context.HandlerContext;
import com.sun.enterprise.deployment.annotation.context.ResourceContainerContextImpl;
import com.sun.enterprise.deployment.annotation.handlers.AbstractHandler;
import com.sun.enterprise.deployment.types.HandlerChainContainer;
import com.sun.enterprise.deployment.util.DOLUtils;
import com.sun.enterprise.deployment.xml.WebServicesTagNames;
import com.sun.enterprise.util.io.FileUtils;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.lang.annotation.ElementType;
import java.lang.reflect.AnnotatedElement;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.net.URL;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import jakarta.jws.HandlerChain;
import jakarta.jws.WebService;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import jakarta.xml.ws.WebServiceProvider;
import jakarta.xml.ws.WebServiceRef;
import org.glassfish.apf.*;
import org.glassfish.apf.impl.HandlerProcessingResultImpl;
import org.glassfish.deployment.common.Descriptor;
import org.glassfish.javaee.full.deployment.EarClassLoader;
import org.glassfish.webservices.connector.LogUtils;
import org.jvnet.hk2.annotations.Service;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
/**
* This handler takes care of the jakarta.jws.HandlerChain
*
* @author Jerome Dochez
*/
@Service
@AnnotationHandlerFor(HandlerChain.class)
public class HandlerChainHandler extends AbstractHandler {
private static final Logger conLogger = LogUtils.getLogger();
/** Creates a new instance of HandlerChainHandler */
public HandlerChainHandler() {
}
/**
* @return an array of annotation types this annotation handler would
* require to be processed (if present) before it processes it's own
* annotation type.
*/
public Class[] getTypeDependencies() {
Class[] dependencies = new Class[3];
dependencies[0] = WebService.class;
dependencies[1] = WebServiceRef.class;
dependencies[2] = WebServiceProvider.class;
return dependencies;
}
public HandlerProcessingResult processAnnotation(AnnotationInfo annInfo)
throws AnnotationProcessorException {
AnnotatedElementHandler annCtx = annInfo.getProcessingContext().getHandler();
AnnotatedElement annElem = annInfo.getAnnotatedElement();
Class declaringClass;
boolean serviceSideChain =
((annElem.getAnnotation(WebService.class) != null) ||
(annElem.getAnnotation(WebServiceProvider.class) != null)) ? true : false;
if(serviceSideChain) {
declaringClass = (Class)annElem;
} else {
if (annInfo.getElementType().equals(ElementType.FIELD)) {
// this is a field injection
declaringClass = ((Field) annElem).getDeclaringClass();
} else if (annInfo.getElementType().equals(ElementType.METHOD)) {
// this is a method injection
declaringClass = ((Method) annElem).getDeclaringClass();
} else if (annInfo.getElementType().equals(ElementType.TYPE)) {
declaringClass = (Class) annElem;
} else {
throw new AnnotationProcessorException(
localStrings.getLocalString(
"enterprise.deployment.annotation.handlers.invalidtype",
"annotation not allowed on this element."), annInfo);
}
}
return processHandlerChainAnnotation(annInfo, annCtx, annElem, declaringClass, serviceSideChain);
}
public HandlerProcessingResult processHandlerChainAnnotation(AnnotationInfo annInfo,
AnnotatedElementHandler annCtx, AnnotatedElement annElem, Class declaringClass, boolean serviceSideChain)
throws AnnotationProcessorException {
HandlerChain hChain = null;
boolean clientSideHandlerChain = false;
if(serviceSideChain) {
// This is a service handler chain
// Ignore @WebService annotation on an interface; process only those in an actual service impl class
if (declaringClass.isInterface()) {
return HandlerProcessingResultImpl.getDefaultResult(getAnnotationType(), ResultType.PROCESSED);
}
// The @HandlerChain can be in the impl class (typically in the java-wsdl case) or
// can be in the SEI also. Check if there is handler chain in the impl class.
// If so, the @HandlerChain in impl class gets precedence
hChain = annElem.getAnnotation(HandlerChain.class);
if(hChain == null) {
WebService webService = (WebService) declaringClass.getAnnotation(WebService.class);
if (webService!=null) {
if (webService.endpointInterface()!=null && webService.endpointInterface().length()>0) {
Class endpointIntf;
try {
endpointIntf = declaringClass.getClassLoader().loadClass(webService.endpointInterface());
} catch(java.lang.ClassNotFoundException cfne) {
throw new AnnotationProcessorException(
localStrings.getLocalString("enterprise.deployment.annotation.handlers.classnotfound",
"class {0} referenced from annotation symbol cannot be loaded",
new Object[] { webService.endpointInterface() }), annInfo);
}
if (endpointIntf.getAnnotation(HandlerChain.class)!=null) {
hChain = (HandlerChain) endpointIntf.getAnnotation(HandlerChain.class);
}
}
}
}
} else {
// this is a client side handler chain
hChain = annElem.getAnnotation(HandlerChain.class);
clientSideHandlerChain = true;
}
// At this point the hChain should be the annotation to use.
if(hChain == null) {
return HandlerProcessingResultImpl.getDefaultResult(getAnnotationType(), ResultType.PROCESSED);
}
// At this point the hChain should be the annotation to use.
String handlerFile = hChain.file();
HandlerChainContainer[] containers=null;
if (annCtx instanceof HandlerContext) {
containers = ((HandlerContext) annCtx).getHandlerChainContainers(serviceSideChain, declaringClass);
}
if (!clientSideHandlerChain && (containers==null || containers.length==0)) {
for(Annotation ann : annElem.getAnnotations()) {
if(ann.annotationType().getPackage().getName().startsWith("jakarta.ejb")) {
// let EJB handlers handle this processing
return HandlerProcessingResultImpl.getDefaultResult(getAnnotationType(), ResultType.UNPROCESSED);
}
}
// could not find my web service...
throw new AnnotationProcessorException(
localStrings.getLocalString(
"enterprise.deployment.annotation.handlers.componentnotfound",
"component referenced from annotation symbol cannot be found"),
annInfo);
}
try {
URL handlerFileURL=null;
try {
handlerFileURL = new URL(handlerFile);
} catch(java.net.MalformedURLException e) {
// swallowing purposely
}
InputStream handlerFileStream;
if (handlerFileURL==null) {
handlerFileStream = getHandlerFileStream(annInfo, null, handlerFile);
if (handlerFileStream == null) {
String relativePath = declaringClass.getPackage().getName().replaceAll("\\.", "/");
handlerFileStream = getHandlerFileStream(annInfo, relativePath, handlerFile);
}
if(handlerFileStream==null) {
// This could be a handler file generated by jaxws customization
// So check in the generated SEI's package
if(annElem instanceof Class) {
String relativePath = ((Class)annElem).getPackage().getName().replaceAll("\\.","/");
handlerFileStream = getHandlerFileStream(annInfo, relativePath, handlerFile);
}
}
} else {
handlerFileStream = handlerFileURL.openConnection().getInputStream();
}
if (handlerFileStream==null) {
throw new AnnotationProcessorException(
localStrings.getLocalString(
"enterprise.deployment.annotation.handlers.handlerfilenotfound",
"handler file {0} not found",
new Object[] { handlerFile }),
annInfo);
}
Document document;
try {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
factory.setExpandEntityReferences(false);
factory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
DocumentBuilder builder = factory.newDocumentBuilder();
document = builder.parse(handlerFileStream);
} catch (SAXParseException spe) {
throw new AnnotationProcessorException(
localStrings.getLocalString(
"enterprise.deployment.annotation.handlers.parserexception",
"{0} XML Parsing error : line {1} ; Error = {2}",
new Object[] { handlerFile, spe.getLineNumber(), spe.getMessage()}));
} finally {
if (handlerFileStream!=null) {
handlerFileStream.close();
}
}
for (HandlerChainContainer container : containers) {
boolean fromDD=true;
if (!container.hasHandlerChain()) {
fromDD = false;
processHandlerFile(document, container);
}
// we now need to create the right context to push on the stack
// and manually invoke the handlers annotation processing since
// we know they are Jax-ws handlers.
List chains = container.getHandlerChain();
ArrayList handlerClasses = new ArrayList();
ClassLoader clo = annInfo.getProcessingContext().getProcessingInput().getClassLoader();
for (WebServiceHandlerChain chain : chains) {
for (WebServiceHandler handler : chain.getHandlers()) {
String className = handler.getHandlerClass();
try {
handlerClasses.add(clo.loadClass(className));
} catch(ClassNotFoundException e) {
if (fromDD) {
conLogger.log(Level.WARNING, LogUtils.DDHANDLER_NOT_FOUND, className);
} else {
conLogger.log(Level.WARNING, LogUtils.HANDLER_FILE_HANDLER_NOT_FOUND,
new Object[] {className, handlerFile});
}
}
}
}
// we have the list of handler classes, we can now
// push the context and call back annotation processing.
Descriptor jndiContainer=null;
if (serviceSideChain) {
WebServiceEndpoint endpoint = (WebServiceEndpoint) container;
if (DOLUtils.warType().equals(endpoint.getBundleDescriptor().getModuleType())) {
jndiContainer = endpoint.getBundleDescriptor();
} else {
jndiContainer = Descriptor.class.cast(endpoint.getEjbComponentImpl());
}
} else {
ServiceReferenceDescriptor ref = (ServiceReferenceDescriptor) container;
if(DOLUtils.ejbType().equals(ref.getBundleDescriptor().getModuleType())) {
EjbBundleDescriptor ejbBundle = (EjbBundleDescriptor) ref.getBundleDescriptor();
Iterator ejbsIter = ejbBundle.getEjbs().iterator();
while(ejbsIter.hasNext()) {
EjbDescriptor ejb = ejbsIter.next();
try {
if(ejb.getServiceReferenceByName(ref.getName()) != null) {
// found the ejb; break out of the loop
jndiContainer = Descriptor.class.cast(ejb);
break;
}
} catch (IllegalArgumentException illex) {
// this ejb does not have a service-ref by this name;
// swallow this exception and go to next
}
}
} else {
jndiContainer = ref.getBundleDescriptor();
}
}
ResourceContainerContextImpl newContext = new ResourceContainerContextImpl(jndiContainer);
ProcessingContext ctx = annInfo.getProcessingContext();
ctx.pushHandler(newContext);
// process the classes
annInfo.getProcessingContext().getProcessor().process(
annInfo.getProcessingContext(),
handlerClasses.toArray(new Class[handlerClasses.size()]));
ctx.popHandler();
}
} catch(Throwable t) {
throw new AnnotationProcessorException(t.getMessage(), annInfo);
}
return HandlerProcessingResultImpl.getDefaultResult(getAnnotationType(), ResultType.PROCESSED);
}
private InputStream getHandlerFileStream(AnnotationInfo annInfo, String relativePath, String handlerFile) {
InputStream handlerFileStream = null;
ClassLoader appCl = annInfo.getProcessingContext().getProcessingInput().getClassLoader();
if (appCl instanceof EarClassLoader) {
EarClassLoader earCl = (EarClassLoader) appCl;
String moduleName = FileUtils.revertFriendlyFilenameExtension(annInfo.getProcessingContext().getArchive().getName());
ClassLoader moduleCl = earCl.getModuleClassLoader(moduleName);
handlerFileStream = moduleCl.getResourceAsStream(relativePath == null ? handlerFile : relativePath + "/" + handlerFile);
}
if (handlerFileStream == null) {
handlerFileStream = appCl.getResourceAsStream(relativePath == null ? handlerFile : relativePath + "/" + handlerFile);
}
return handlerFileStream;
}
private void processHandlerFile(Document document, HandlerChainContainer ep)
throws SAXException {
NodeList handlerChainList = document.getElementsByTagNameNS("http://java.sun.com/xml/ns/javaee",
WebServicesTagNames.HANDLER_CHAIN);
if(handlerChainList.getLength() != 0) {
// this is a namespace aware handler-config file - process and return
processHandlerChains(handlerChainList, ep);
return;
}
// No Handlers found !!!! this could be namespace-unaware handler file
handlerChainList = document.getElementsByTagName(WebServicesTagNames.HANDLER_CHAIN);
processHandlerChains(handlerChainList, ep);
}
private String getAsQName(Node n) {
String nodeValue = n.getTextContent();
int index = nodeValue.indexOf(':');
if(index <= 0) {
return nodeValue;
}
String prefix = nodeValue.substring(0, index);
String ns = n.lookupNamespaceURI(prefix);
return("{"+ns+"}"+nodeValue.substring(index+1));
}
private void processHandlerChains(NodeList handlerChainList, HandlerChainContainer ep)
throws SAXException {
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