/**
* 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.geronimo.web25.deployment.merge.webfragment;
import org.apache.geronimo.common.DeploymentException;
import org.apache.geronimo.web25.deployment.merge.ElementSource;
import org.apache.geronimo.web25.deployment.merge.MergeContext;
import org.apache.geronimo.web25.deployment.merge.MergeItem;
import org.apache.geronimo.web25.deployment.utils.WebDeploymentMessageUtils;
import org.apache.geronimo.xbeans.javaee6.EjbRefType;
import org.apache.geronimo.xbeans.javaee6.InjectionTargetType;
import org.apache.geronimo.xbeans.javaee6.WebAppType;
import org.apache.geronimo.xbeans.javaee6.WebFragmentType;
/**
* @version $Rev: 931020 $ $Date: 2010-04-06 01:14:09 -0400 (Tue, 06 Apr 2010) $
*/
public class EjbRefMergeHandler implements WebFragmentMergeHandler<WebFragmentType, WebAppType> {
public static final String EJB_REF_NAME_PREFIX = "ejb-ref.ejb-ref-name.";
/**
* Steps :
* a. If we already have a ejb-ref in the current merged web.xml file, then
* a.1 If it is from web-fragment.xml, throw an error, as it is not allowed that the same ejb-ref in different web-fragment.xml while it is not present in web.xml
* a.2 Else it is from web.xml, check whether inject-target is configured in the initial web.xml, if not, merge the configurations from web-fragment.xml, else ignore.
* b. web.xml file should inherit it from the web-fragment.xml file
*/
@Override
public void merge(WebFragmentType webFragment, WebAppType webApp, MergeContext mergeContext) throws DeploymentException {
for (EjbRefType srcEjbRef : webFragment.getEjbRefArray()) {
String ejbRefName = srcEjbRef.getEjbRefName().getStringValue();
String ejbRefKey = createEjbRefKey(ejbRefName);
MergeItem mergeItem = (MergeItem) mergeContext.getAttribute(ejbRefKey);
if (mergeItem != null) {
if (mergeItem.isFromWebFragment()) {
throw new DeploymentException(WebDeploymentMessageUtils.createDuplicateJNDIRefMessage("ejb-ref", ejbRefName, mergeItem.getBelongedURL(), mergeContext.getCurrentJarUrl()));
} else if (mergeItem.isFromWebXml() && !isEjbRefInjectTargetsConfiguredInInitialWebXML(ejbRefName, mergeContext)) {
//Merge InjectTarget
EjbRefType ejbRef = (EjbRefType) mergeItem.getValue();
for (InjectionTargetType injectTarget : srcEjbRef.getInjectionTargetArray()) {
String ejbRefInjectTargetKey = createEjbRefInjectTargetKey(ejbRefName, injectTarget.getInjectionTargetClass().getStringValue(), injectTarget
.getInjectionTargetName().getStringValue());
if (!mergeContext.containsAttribute(ejbRefInjectTargetKey)) {
ejbRef.addNewInjectionTarget().set(injectTarget);
mergeContext.setAttribute(ejbRefInjectTargetKey, Boolean.TRUE);
}
}
}
} else {
EjbRefType targetEjbRef = (EjbRefType) webApp.addNewEjbRef().set(srcEjbRef);
mergeContext.setAttribute(ejbRefKey, new MergeItem(targetEjbRef, mergeContext.getCurrentJarUrl(), ElementSource.WEB_FRAGMENT));
for (InjectionTargetType injectionTarget : targetEjbRef.getInjectionTargetArray()) {
mergeContext.setAttribute(createEjbRefInjectTargetKey(ejbRefName, injectionTarget.getInjectionTargetClass().getStringValue(), injectionTarget.getInjectionTargetName()
.getStringValue()), Boolean.TRUE);
}
}
}
}
@Override
public void postProcessWebXmlElement(WebAppType webApp, MergeContext context) throws DeploymentException {
}
@Override
public void preProcessWebXmlElement(WebAppType webApp, MergeContext mergeContext) throws DeploymentException {
for (EjbRefType ejbRef : webApp.getEjbRefArray()) {
String ejbRefName = ejbRef.getEjbRefName().getStringValue();
mergeContext.setAttribute(createEjbRefKey(ejbRefName), new MergeItem(ejbRef, null, ElementSource.WEB_XML));
//Create an attribute tag to indicate whether injectTarget is configured in web.xml file
if (ejbRef.getInjectionTargetArray().length > 0) {
mergeContext.setAttribute(createEjbRefInjectTargetConfiguredInWebXMLKey(ejbRefName), Boolean.TRUE);
}
for (InjectionTargetType injectionTarget : ejbRef.getInjectionTargetArray()) {
mergeContext.setAttribute(createEjbRefInjectTargetKey(ejbRefName, injectionTarget.getInjectionTargetClass().getStringValue(), injectionTarget.getInjectionTargetName()
.getStringValue()), Boolean.TRUE);
}
}
}
public static String createEjbRefInjectTargetConfiguredInWebXMLKey(String ejbRefName) {
return EJB_REF_NAME_PREFIX + ejbRefName + ".inject_target_configured_in_web_xml";
}
public static String createEjbRefInjectTargetKey(String ejbRefName, String injectTargetClassName, String injectTargetName) {
return EJB_REF_NAME_PREFIX + ejbRefName + "." + injectTargetClassName + "." + injectTargetName;
}
public static String createEjbRefKey(String ejbRefName) {
return EJB_REF_NAME_PREFIX + ejbRefName;
}
public static boolean isEjbRefInjectTargetConfigured(String ejbRefName, String injectTargetClassName, String injectTargetName, MergeContext mergeContext) {
return mergeContext.containsAttribute(createEjbRefInjectTargetKey(ejbRefName, injectTargetClassName, injectTargetName));
}
public static boolean isEjbRefInjectTargetsConfiguredInInitialWebXML(String ejbRefName, MergeContext mergeContext) {
return mergeContext.containsAttribute(createEjbRefInjectTargetConfiguredInWebXMLKey(ejbRefName));
}
}