| /* |
| * 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.web.refactoring; |
| |
| import com.sun.source.tree.CompilationUnitTree; |
| import com.sun.source.util.TreePath; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.logging.Logger; |
| import javax.lang.model.element.Element; |
| import org.netbeans.api.fileinfo.NonRecursiveFolder; |
| import org.netbeans.api.java.source.CancellableTask; |
| import org.netbeans.api.java.source.CompilationController; |
| import org.netbeans.api.java.source.JavaSource; |
| import org.netbeans.api.java.source.TreePathHandle; |
| import org.netbeans.modules.refactoring.api.AbstractRefactoring; |
| import org.netbeans.modules.refactoring.api.MoveRefactoring; |
| import org.netbeans.modules.refactoring.api.RenameRefactoring; |
| import org.netbeans.modules.refactoring.api.SafeDeleteRefactoring; |
| import org.netbeans.modules.refactoring.api.WhereUsedQuery; |
| import org.netbeans.modules.refactoring.spi.RefactoringPlugin; |
| import org.netbeans.modules.refactoring.spi.RefactoringPluginFactory; |
| import org.netbeans.modules.web.api.webmodule.WebModule; |
| import org.netbeans.modules.web.refactoring.rename.TldFolderMove; |
| import org.netbeans.modules.web.refactoring.rename.TldMove; |
| import org.netbeans.modules.web.refactoring.rename.TldPackageRename; |
| import org.netbeans.modules.web.refactoring.rename.TldRename; |
| import org.netbeans.modules.web.refactoring.rename.WebXmlFolderMove; |
| import org.netbeans.modules.web.refactoring.rename.WebXmlMove; |
| import org.netbeans.modules.web.refactoring.rename.WebXmlPackageRename; |
| import org.netbeans.modules.web.refactoring.rename.WebXmlRename; |
| import org.netbeans.modules.web.refactoring.safedelete.TldSafeDelete; |
| import org.netbeans.modules.web.refactoring.safedelete.WebXmlSafeDelete; |
| import org.netbeans.modules.web.refactoring.whereused.TldWhereUsed; |
| import org.netbeans.modules.web.refactoring.whereused.WebXmlWhereUsed; |
| import org.openide.filesystems.FileObject; |
| import org.openide.util.Exceptions; |
| |
| /** |
| * A refactoring factory for Web related refactorings. |
| * |
| * @author Erno Mononen |
| */ |
| @org.openide.util.lookup.ServiceProvider(service=org.netbeans.modules.refactoring.spi.RefactoringPluginFactory.class) |
| public class WebRefactoringFactory implements RefactoringPluginFactory{ |
| |
| private static final Logger LOGGER = Logger.getLogger(WebRefactoringFactory.class.getName()); |
| |
| public WebRefactoringFactory() { |
| } |
| |
| public RefactoringPlugin createInstance(AbstractRefactoring refactoring) { |
| |
| NonRecursiveFolder pkg = refactoring.getRefactoringSource().lookup(NonRecursiveFolder.class); |
| FileObject sourceFO = refactoring.getRefactoringSource().lookup(FileObject.class); |
| TreePathHandle handle = resolveTreePathHandle(refactoring); |
| |
| boolean javaPackage = pkg != null && RefactoringUtil.isOnSourceClasspath(pkg.getFolder()); |
| boolean folder = sourceFO != null && sourceFO.isFolder(); |
| |
| if (sourceFO == null){ |
| if (handle != null){ |
| sourceFO = handle.getFileObject(); |
| } else if (pkg != null){ |
| sourceFO = pkg.getFolder(); |
| } |
| } |
| |
| if (sourceFO == null){ |
| return null; |
| } |
| |
| boolean javaFile = sourceFO != null && RefactoringUtil.isJavaFile(sourceFO); |
| |
| WebModule wm = WebModule.getWebModule(sourceFO); |
| if (wm == null){ |
| return null; |
| } |
| FileObject ddFile = wm.getDeploymentDescriptor(); |
| |
| String clazz = resolveClass(handle); |
| |
| // if we have a java file, the class name should be resolvable |
| // unless it is an empty java file - see #130933 |
| if (javaFile && clazz == null) { |
| LOGGER.fine("Could not resolve the class for: " + sourceFO + ", possibly an empty Java file"); |
| return null; |
| } |
| |
| List<WebRefactoring> refactorings = new ArrayList<WebRefactoring>(); |
| |
| if (refactoring instanceof RenameRefactoring){ |
| RenameRefactoring rename = (RenameRefactoring) refactoring; |
| if (javaPackage || folder){ |
| if (ddFile != null) { |
| refactorings.add(new WebXmlPackageRename(ddFile, sourceFO, rename)); |
| } |
| refactorings.add(new TldPackageRename(rename, wm, sourceFO)); |
| } else if (javaFile) { |
| if (ddFile != null) { |
| refactorings.add(new WebXmlRename(clazz, rename, ddFile)); |
| } |
| refactorings.add(new TldRename(clazz, rename, wm)); |
| } |
| } |
| |
| if (refactoring instanceof WhereUsedQuery && javaFile){ |
| WhereUsedQuery whereUsedQuery = (WhereUsedQuery) refactoring; |
| if (ddFile != null) { |
| refactorings.add(new WebXmlWhereUsed(ddFile, clazz, whereUsedQuery)); |
| } |
| refactorings.add(new TldWhereUsed(clazz, wm, whereUsedQuery)); |
| } |
| |
| if (refactoring instanceof SafeDeleteRefactoring && javaFile){ |
| SafeDeleteRefactoring safeDelete = (SafeDeleteRefactoring) refactoring; |
| if (ddFile != null) { |
| refactorings.add(new WebXmlSafeDelete(ddFile, safeDelete)); |
| } |
| refactorings.add(new TldSafeDelete(safeDelete, wm)); |
| } |
| |
| if (refactoring instanceof MoveRefactoring){ |
| MoveRefactoring move = (MoveRefactoring) refactoring; |
| if (javaFile){ |
| if (ddFile != null) { |
| refactorings.add(new WebXmlMove(ddFile, move)); |
| } |
| refactorings.add(new TldMove(move, wm)); |
| } else if (folder){ |
| if (ddFile != null) { |
| refactorings.add(new WebXmlFolderMove(ddFile, sourceFO, move)); |
| } |
| refactorings.add(new TldFolderMove(wm, sourceFO, move)); |
| } |
| } |
| |
| return refactorings.isEmpty() ? null : new WebRefactoringPlugin(refactorings); |
| } |
| |
| private TreePathHandle resolveTreePathHandle(final AbstractRefactoring refactoring){ |
| |
| TreePathHandle tph = refactoring.getRefactoringSource().lookup(TreePathHandle.class); |
| if (tph != null) { |
| return tph; |
| } |
| |
| FileObject sourceFO = refactoring.getRefactoringSource().lookup(FileObject.class); |
| if (sourceFO == null || !RefactoringUtil.isJavaFile(sourceFO)){ |
| return null; |
| } |
| final TreePathHandle[] result = new TreePathHandle[1]; |
| try{ |
| |
| JavaSource source = JavaSource.forFileObject(sourceFO); |
| |
| source.runUserActionTask(new CancellableTask<CompilationController>() { |
| public void cancel() { |
| } |
| public void run(CompilationController co) throws Exception { |
| co.toPhase(JavaSource.Phase.RESOLVED); |
| CompilationUnitTree cut = co.getCompilationUnit(); |
| if (cut.getTypeDecls().isEmpty()){ |
| return; |
| } |
| result[0] = TreePathHandle.create(TreePath.getPath(cut, cut.getTypeDecls().get(0)), co); |
| } |
| |
| }, true); |
| }catch(IOException ioe){ |
| Exceptions.printStackTrace(ioe); |
| } |
| |
| return result[0]; |
| } |
| |
| |
| /** |
| * @return the fully qualified name of the class that the given |
| * TreePathHandle represents or null if the FQN could not be resolved. |
| */ |
| private String resolveClass(final TreePathHandle treePathHandle){ |
| if(treePathHandle == null){ |
| return null; |
| } |
| |
| final String[] result = new String[1]; |
| |
| try{ |
| JavaSource source = JavaSource.forFileObject(treePathHandle.getFileObject()); |
| if (source == null) { |
| return null; |
| } |
| source.runUserActionTask(new CancellableTask<CompilationController>() { |
| |
| public void cancel() { |
| } |
| |
| public void run(CompilationController parameter) throws Exception { |
| parameter.toPhase(JavaSource.Phase.RESOLVED); |
| Element element = treePathHandle.resolveElement(parameter); |
| // Fix for IZ159330 - NullPointerException at org.netbeans.modules.web.refactoring.WebRefactoringFactory$2.run |
| if ( element == null ){ |
| result[0] = null; |
| } |
| else { |
| result[0] = element.asType().toString(); |
| } |
| } |
| }, true); |
| }catch(IOException ioe){ |
| Exceptions.printStackTrace(ioe); |
| } |
| return result[0]; |
| } |
| |
| |
| } |
