| /* |
| * 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 rewrite.org.apache.myfaces.extensions.scripting.engine.dependencyScan.registry; |
| |
| import org.apache.myfaces.extensions.scripting.api.ScriptingConst; |
| import org.apache.myfaces.extensions.scripting.core.util.StringUtils; |
| import rewrite.org.apache.myfaces.extensions.scripting.core.engine.dependencyScan.api.ClassFilter; |
| import rewrite.org.apache.myfaces.extensions.scripting.engine.dependencyScan.core.ClassDependencies; |
| import rewrite.org.apache.myfaces.extensions.scripting.engine.dependencyScan.filter.ScanIdentifierFilter; |
| import rewrite.org.apache.myfaces.extensions.scripting.engine.dependencyScan.filter.StandardNamespaceFilter; |
| |
| import java.util.Iterator; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| /** |
| * registry facade which is used to track our dependencies |
| */ |
| public class DependencyRegistryImpl implements ExternalFilterDependencyRegistry |
| { |
| List<ClassFilter> _filters = new LinkedList<ClassFilter>(); |
| |
| ClassDependencies _dependencMap; |
| |
| //private volatile Strategy _registrationStrategy; |
| final Integer _engineType; |
| |
| /** |
| * constructor for our facade |
| * |
| * @param engineType the engine type this registry should support |
| * @param dependencyMap the dependency map which stores the dependencies |
| */ |
| public DependencyRegistryImpl(Integer engineType, ClassDependencies dependencyMap) { |
| _dependencMap = dependencyMap; |
| _engineType = engineType; |
| |
| _filters.add(new ScanIdentifierFilter(_engineType, ScriptingConst.ENGINE_TYPE_JSF_ALL, ScriptingConst.ENGINE_TYPE_JSF_NO_ENGINE)); |
| _filters.add(new StandardNamespaceFilter()); |
| } |
| |
| /** |
| * Clears the entire filter map |
| */ |
| public void clearFilters() { |
| _filters = new LinkedList<ClassFilter>(); |
| |
| _filters.add(new ScanIdentifierFilter(_engineType, ScriptingConst.ENGINE_TYPE_JSF_ALL, |
| ScriptingConst.ENGINE_TYPE_JSF_NO_ENGINE)); |
| _filters.add(new StandardNamespaceFilter()); |
| } |
| |
| /** |
| * adds a new filter |
| * |
| * @param filter the filter to be added |
| */ |
| public void addFilter(ClassFilter filter) { |
| _filters.add(filter); |
| } |
| |
| /** |
| * checks if the className is allowed in the current filter chain |
| * |
| * @param engineType an identifier for the current scan type (jsf java scan for instance) |
| * @param className the classname to be checked |
| * @return true if a filter triggers false if not |
| */ |
| public boolean isAllowed(Integer engineType, String className) { |
| Iterator<ClassFilter> it = _filters.iterator(); |
| while(it.hasNext()) { |
| ClassFilter filter = it.next(); |
| if (!filter.isAllowed(_engineType, className)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| /** |
| * adds a dependency to our dependency map (usually rootclass -> dependency and currentClass -> dependency) |
| * |
| * @param engineType the engine type for this dependency |
| * @param rootClass the root class of this scan which all dependencies are referenced from |
| * @param currentlyVisitedClass the source which includes or casts the dependencies |
| * @param dependency the dependency to be added |
| */ |
| public void addDependency(Integer engineType, String rootClass, String currentlyVisitedClass, String dependency) { |
| |
| if (StringUtils.isBlank(dependency)) { |
| return; |
| } |
| |
| if (currentlyVisitedClass != null && currentlyVisitedClass.equals(dependency)) { |
| return; |
| } |
| |
| |
| |
| if (!isAllowed(engineType, dependency)) { |
| return; |
| } |
| |
| //not needed |
| //if(!StringUtils.isBlank(currentlyVisitedClass)) { |
| // _dependencMap.addDependency(currentlyVisitedClass, dependency); |
| //} |
| |
| //for now we code it into a list like we used to do before |
| //but in the long run we have to directly register |
| //to save one step |
| //getDependencySet(source).add(dependency); |
| if(!StringUtils.isBlank(rootClass)) { |
| _dependencMap.addDependency(rootClass, dependency); |
| } |
| } |
| |
| /** |
| * flush to flush down our stored dependencies into our final map |
| */ |
| public void flush(Integer engineType) { |
| //_registrationStrategy.apply(_dependencies); |
| } |
| |
| } |