| /** |
| * 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.netbeans.modules.j2ee.persistence.action; |
| |
| import com.sun.source.tree.Tree; |
| import com.sun.source.util.TreePath; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.EnumSet; |
| import java.util.List; |
| import java.util.Set; |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.ElementKind; |
| import javax.lang.model.element.TypeElement; |
| import javax.swing.text.JTextComponent; |
| import org.netbeans.api.java.classpath.ClassPath; |
| import org.netbeans.api.java.source.CompilationController; |
| import org.netbeans.api.java.source.JavaSource; |
| import org.netbeans.api.java.source.TreeUtilities; |
| import org.netbeans.api.project.FileOwnerQuery; |
| import org.netbeans.api.project.Project; |
| import org.netbeans.modules.j2ee.persistence.api.PersistenceScope; |
| |
| import org.netbeans.spi.editor.codegen.CodeGenerator; |
| import org.openide.filesystems.FileObject; |
| import org.openide.loaders.DataObject; |
| import org.openide.loaders.DataObjectNotFoundException; |
| import org.openide.util.Exceptions; |
| import org.openide.util.NbBundle; |
| import org.openide.util.Lookup; |
| |
| /** |
| * Generate persist method |
| */ |
| public class UseEntityManagerCodeGenerator implements CodeGenerator { |
| |
| private FileObject srcFile; |
| |
| public static class Factory implements CodeGenerator.Factory { |
| |
| @Override |
| public List<? extends CodeGenerator> create(Lookup context) { |
| ArrayList<CodeGenerator> ret = new ArrayList<CodeGenerator>(); |
| JTextComponent component = context.lookup(JTextComponent.class); |
| CompilationController controller = context.lookup(CompilationController.class); |
| TreePath path = context.lookup(TreePath.class); |
| path = path != null ? getPathElementOfKind(TreeUtilities.CLASS_TREE_KINDS, path) : null; |
| if (component == null || controller == null || path == null) |
| return ret; |
| try { |
| controller.toPhase(JavaSource.Phase.ELEMENTS_RESOLVED); |
| Element elem = controller.getTrees().getElement(path); |
| if (elem != null) { |
| UseEntityManagerCodeGenerator gen = createUseEntityManagerCodeGenerator(component, controller, elem); |
| if (gen != null) |
| ret.add(gen); |
| } |
| } catch (IOException ioe) { |
| } |
| return ret; |
| } |
| |
| } |
| |
| static UseEntityManagerCodeGenerator createUseEntityManagerCodeGenerator(JTextComponent component, CompilationController cc, Element el) throws IOException { |
| if (el.getKind() != ElementKind.CLASS) |
| return null; |
| TypeElement typeElement = (TypeElement)el; |
| if (!isEnable(cc.getFileObject(), typeElement)) { |
| return null; |
| } |
| return new UseEntityManagerCodeGenerator(cc.getFileObject()); |
| } |
| |
| public UseEntityManagerCodeGenerator(FileObject srcFile) { |
| this.srcFile = srcFile; |
| } |
| |
| @Override |
| public void invoke() { |
| EntityManagerGenerator emGenerator = new EntityManagerGenerator(srcFile, srcFile.getName()); |
| GenerationOptions options = new GenerationOptions(); |
| options.setParameterName("object"); |
| options.setParameterType("Object"); |
| options.setMethodName("persist"); |
| options.setOperation(GenerationOptions.Operation.PERSIST); |
| options.setReturnType("void"); |
| try { |
| emGenerator.generate(options); |
| } catch (IOException ex) { |
| Exceptions.printStackTrace(ex); |
| } |
| } |
| |
| @Override |
| public String getDisplayName() { |
| return NbBundle.getMessage(UseEntityManagerCodeGenerator.class, "CTL_UseEntityManagerAction"); |
| } |
| |
| private static boolean isEnable(FileObject fileObject, TypeElement typeElement) { |
| Project project = FileOwnerQuery.getOwner(fileObject); |
| if (project == null) { |
| return false; |
| } |
| if(ElementKind.INTERFACE == typeElement.getKind())return false; |
| DataObject dObj = null; |
| try { |
| dObj = DataObject.find(fileObject); |
| } catch (DataObjectNotFoundException ex) { |
| Exceptions.printStackTrace(ex); |
| } |
| if(dObj == null) { |
| return false; |
| } |
| |
| // Enable it only if the EntityManager is in the project classpath |
| // This check was motivated by issue 139333 - The Use Entity Manager action |
| // breaks from left to right if the javax.persistence.EntityManager class is missing |
| FileObject target = dObj.getCookie(DataObject.class).getPrimaryFile(); |
| ClassPath cp = ClassPath.getClassPath(target, ClassPath.COMPILE); |
| if(cp == null) { |
| return false; |
| } |
| |
| if(PersistenceScope.getPersistenceScope(target) == null){ |
| return false; |
| } |
| |
| FileObject entityMgrRes = cp.findResource("javax/persistence/EntityManager.class"); // NOI18N |
| |
| if (entityMgrRes != null) { |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| public static TreePath getPathElementOfKind(Tree.Kind kind, TreePath path) { |
| return getPathElementOfKind(EnumSet.of(kind), path); |
| } |
| |
| public static TreePath getPathElementOfKind(Set<Tree.Kind> kinds, TreePath path) { |
| while (path != null) { |
| if (kinds.contains(path.getLeaf().getKind())) |
| return path; |
| path = path.getParentPath(); |
| } |
| return null; |
| } |
| |
| } |