| /* |
| * 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.myfaces.context; |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import javax.faces.application.ResourceDependency; |
| import javax.faces.context.FacesContext; |
| import org.apache.myfaces.view.facelets.el.ELText; |
| |
| /** |
| * |
| * @author lu4242 |
| */ |
| public class RequestViewMetadata implements Serializable |
| { |
| public static final String RESOURCE_DEPENDENCY_KEY = "oam.component.resource.RDK"; |
| |
| // No lazy init: every view has one (UIView.class) or more classes to process |
| private Map<Class<?>, Boolean> processedClasses = new HashMap<Class<?>,Boolean>(); |
| |
| private Map<ResourceDependency, Boolean> addedResources; |
| |
| private Map<Class<?>, Boolean> initialProcessedClasses; |
| private Map<ResourceDependency, Boolean> initialAddedResources; |
| |
| public RequestViewMetadata() |
| { |
| initialProcessedClasses = null; |
| initialAddedResources = null; |
| } |
| |
| /** |
| * Clone the current request view metadata into another instance, so |
| * it can be used in a view. |
| * |
| * @return |
| */ |
| public RequestViewMetadata cloneInstance() |
| { |
| RequestViewMetadata rvm = new RequestViewMetadata(); |
| rvm.initialProcessedClasses = new HashMap<>( |
| this.initialProcessedClasses != null ? |
| this.initialProcessedClasses : this.processedClasses); |
| if (this.initialAddedResources != null) |
| { |
| rvm.initialAddedResources = new HashMap<>(this.initialAddedResources); |
| } |
| else if (this.addedResources != null) |
| { |
| rvm.initialAddedResources = new HashMap<>(this.addedResources); |
| } |
| return rvm; |
| } |
| |
| public boolean isResourceDependencyAlreadyProcessed(ResourceDependency dependency) |
| { |
| if (initialAddedResources != null) |
| { |
| if (initialAddedResources.containsKey(dependency)) |
| { |
| return true; |
| } |
| } |
| if (addedResources == null) |
| { |
| return false; |
| } |
| return addedResources.containsKey(dependency); |
| } |
| |
| public void setResourceDependencyAsProcessed(ResourceDependency dependency) |
| { |
| if (addedResources == null) |
| { |
| addedResources = new HashMap<>(); |
| } |
| addedResources.put(dependency, true); |
| } |
| |
| public boolean isClassAlreadyProcessed(Class<?> inspectedClass) |
| { |
| if (initialProcessedClasses != null) |
| { |
| if (initialProcessedClasses.containsKey(inspectedClass)) |
| { |
| return true; |
| } |
| } |
| return processedClasses.containsKey(inspectedClass); |
| } |
| |
| public void setClassProcessed(Class<?> inspectedClass) |
| { |
| processedClasses.put(inspectedClass, Boolean.TRUE); |
| } |
| |
| public Map<String, List<ResourceDependency>> getResourceDependencyAnnotations(FacesContext context) |
| { |
| if (initialAddedResources == null && addedResources == null) |
| { |
| return Collections.emptyMap(); |
| } |
| |
| Map<String, List<ResourceDependency>> map = new HashMap<>(); |
| if (initialAddedResources != null) |
| { |
| for (ResourceDependency annotation : initialAddedResources.keySet()) |
| { |
| String target = annotation.target(); |
| if (target != null && target.length() > 0) |
| { |
| target = ELText.parse(context.getApplication().getExpressionFactory(), |
| context.getELContext(), target).toString(context.getELContext()); |
| } |
| else |
| { |
| target = "head"; |
| } |
| |
| List<ResourceDependency> list = map.computeIfAbsent(target, k -> new ArrayList<>()); |
| list.add(annotation); |
| } |
| } |
| if (addedResources != null) |
| { |
| for (ResourceDependency annotation : addedResources.keySet()) |
| { |
| String target = annotation.target(); |
| if (target != null && target.length() > 0) |
| { |
| target = ELText.parse(context.getApplication().getExpressionFactory(), |
| context.getELContext(), target).toString(context.getELContext()); |
| } |
| else |
| { |
| target = "head"; |
| } |
| |
| List<ResourceDependency> list = map.computeIfAbsent(target, k -> new ArrayList<>()); |
| list.add(annotation); |
| } |
| } |
| return map; |
| } |
| } |