/**
* 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 java.util.ArrayList;
import java.util.List;
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.xbeans.javaee6.DispatcherType;
import org.apache.geronimo.xbeans.javaee6.FilterMappingType;
import org.apache.geronimo.xbeans.javaee6.ServletNameType;
import org.apache.geronimo.xbeans.javaee6.UrlPatternType;
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 FilterMappingMergeHandler implements WebFragmentMergeHandler<WebFragmentType, WebAppType> {
private List<SubMergeHandler<FilterMappingType, FilterMappingType>> subMergeHandlers;
public FilterMappingMergeHandler() {
subMergeHandlers = new ArrayList<SubMergeHandler<FilterMappingType, FilterMappingType>>();
subMergeHandlers.add(new FilterMappingUrlPatternMergeHandler());
subMergeHandlers.add(new FilterMappingServletNameMergeHandler());
subMergeHandlers.add(new FilterMappingDispatcherMergeHandler());
}
@Override
public void merge(WebFragmentType webFragment, WebAppType webApp, MergeContext mergeContext) throws DeploymentException {
for (FilterMappingType srcFilterMapping : webFragment.getFilterMappingArray()) {
String filterName = srcFilterMapping.getFilterName().getStringValue();
FilterMappingType targetFilterMapping = (FilterMappingType) mergeContext.getAttribute(createFilterMappingKey(filterName));
if (targetFilterMapping == null) {
targetFilterMapping = (FilterMappingType) webApp.addNewFilterMapping().set(srcFilterMapping);
mergeContext.setAttribute(createFilterMappingKey(filterName), targetFilterMapping);
for (SubMergeHandler<FilterMappingType, FilterMappingType> subMergeHandler : subMergeHandlers) {
subMergeHandler.add(targetFilterMapping, mergeContext);
}
} else {
if (isFilterMappingFromAnnotation(filterName, mergeContext)) {
//If the current url-patterns configurations are from annotations, so let's drop them
targetFilterMapping.setUrlPatternArray(new UrlPatternType[0]);
targetFilterMapping.setDispatcherArray(new DispatcherType[0]);
targetFilterMapping.setServletNameArray(new ServletNameType[0]);
mergeContext.removeAttribute(createFilterMappingSourceKey(filterName));
}
for (SubMergeHandler<FilterMappingType, FilterMappingType> subMergeHandler : subMergeHandlers) {
subMergeHandler.merge(srcFilterMapping, targetFilterMapping, mergeContext);
}
}
}
}
@Override
public void postProcessWebXmlElement(WebAppType webApp, MergeContext context) throws DeploymentException {
for (SubMergeHandler<FilterMappingType, FilterMappingType> subMergeHandler : subMergeHandlers) {
subMergeHandler.postProcessWebXmlElement(webApp, context);
}
}
@Override
public void preProcessWebXmlElement(WebAppType webApp, MergeContext context) throws DeploymentException {
for (FilterMappingType filterMapping : webApp.getFilterMappingArray()) {
String filterName = filterMapping.getFilterName().getStringValue();
context.setAttribute(createFilterMappingKey(filterName), filterMapping);
}
for (SubMergeHandler<FilterMappingType, FilterMappingType> subMergeHandler : subMergeHandlers) {
subMergeHandler.preProcessWebXmlElement(webApp, context);
}
}
public static String createFilterMappingKey(String filterName) {
return "filter-mapping.filter-name" + filterName;
}
public static boolean isFilterMappingConfigured(String filterName, MergeContext mergeContext) {
return mergeContext.containsAttribute(createFilterMappingKey(filterName));
}
public static FilterMappingType getFilterMappingType(String filterName, MergeContext mergeContext) {
return (FilterMappingType) mergeContext.getAttribute(createFilterMappingKey(filterName));
}
public static String createFilterMappingSourceKey(String filterName) {
return "filter-mapping.filter-name." + filterName + ".sources";
}
public static boolean isFilterMappingFromAnnotation(String filterName, MergeContext mergeContext) {
ElementSource elementSource = (ElementSource) mergeContext.getAttribute(createFilterMappingSourceKey(filterName));
return elementSource != null && elementSource.equals(ElementSource.ANNOTATION);
}
public static void addFilterMapping(FilterMappingType filterMapping, MergeContext mergeContext) {
mergeContext.setAttribute(createFilterMappingKey(filterMapping.getFilterName().getStringValue()), filterMapping);
}
}