| /******************************************************************************* |
| * Copyright (c) 2007, 2008 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v1.0, which accompanies this distribution |
| * and is available at http://www.eclipse.org/legal/epl-v10.html. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.core.internal.resource.java; |
| |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.core.dom.ASTNode; |
| import org.eclipse.jdt.core.dom.AbstractTypeDeclaration; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jdt.core.dom.TypeDeclaration; |
| import org.eclipse.jpt.core.JpaAnnotationProvider; |
| import org.eclipse.jpt.core.internal.utility.jdt.JDTTools; |
| import org.eclipse.jpt.core.resource.java.JavaResourceModel; |
| import org.eclipse.jpt.core.resource.java.JavaResourcePersistentType; |
| import org.eclipse.jpt.core.resource.java.JpaCompilationUnit; |
| import org.eclipse.jpt.core.utility.TextRange; |
| import org.eclipse.jpt.core.utility.jdt.AnnotationEditFormatter; |
| import org.eclipse.jpt.utility.CommandExecutorProvider; |
| |
| public class JpaCompilationUnitImpl |
| extends AbstractJavaResourceNode |
| implements JpaCompilationUnit |
| { |
| protected final JpaAnnotationProvider annotationProvider; |
| |
| protected final CommandExecutorProvider modifySharedDocumentCommandExecutorProvider; |
| |
| protected final AnnotationEditFormatter annotationEditFormatter; |
| |
| protected final JavaResourceModel javaResourceModel; |
| |
| protected final ICompilationUnit compilationUnit; |
| |
| /** |
| * The primary type of the AST compilation unit. We are not going to handle |
| * multiple types defined in a single compilation unit. Entities must have |
| * a public/protected no-arg constructor, and there is no way to access |
| * the constructor in a package class (which is what all top-level, |
| * non-primary classes must be). |
| */ |
| protected JavaResourcePersistentType persistentType; |
| |
| |
| // ********** construction ********** |
| |
| public JpaCompilationUnitImpl( |
| IFile file, |
| JpaAnnotationProvider annotationProvider, |
| CommandExecutorProvider modifySharedDocumentCommandExecutorProvider, |
| AnnotationEditFormatter annotationEditFormatter, |
| JavaResourceModel javaResourceModel) { |
| super(null); // the JPA compilation unit is the root of its sub-tree |
| this.annotationProvider = annotationProvider; |
| this.modifySharedDocumentCommandExecutorProvider = modifySharedDocumentCommandExecutorProvider; |
| this.annotationEditFormatter = annotationEditFormatter; |
| this.javaResourceModel = javaResourceModel; |
| this.compilationUnit = JavaCore.createCompilationUnitFrom(file); |
| this.openCompilationUnit(); |
| this.persistentType = this.buildJavaResourcePersistentType(); |
| } |
| |
| protected void openCompilationUnit() { |
| try { |
| this.compilationUnit.open(null); |
| } catch (JavaModelException ex) { |
| // do nothing - we just won't have a primary type in this case |
| } |
| } |
| |
| protected JavaResourcePersistentType buildJavaResourcePersistentType() { |
| return this.buildJavaResourcePersistentType(this.buildASTRoot()); |
| } |
| |
| protected JavaResourcePersistentType buildJavaResourcePersistentType(CompilationUnit astRoot) { |
| TypeDeclaration td = this.getPrimaryType(astRoot); |
| return (td == null) ? null : this.buildJavaResourcePersistentType(astRoot, td); |
| } |
| |
| public void initialize(CompilationUnit astRoot) { |
| // never called? |
| } |
| |
| |
| // ********** overrides ********** |
| |
| @Override |
| protected boolean requiresParent() { |
| return false; |
| } |
| |
| @Override |
| public JpaCompilationUnit getJpaCompilationUnit() { |
| return this; |
| } |
| |
| @Override |
| public JpaAnnotationProvider getAnnotationProvider() { |
| return this.annotationProvider; |
| } |
| |
| @Override |
| public CommandExecutorProvider getModifySharedDocumentCommandExecutorProvider() { |
| return this.modifySharedDocumentCommandExecutorProvider; |
| } |
| |
| @Override |
| public AnnotationEditFormatter getAnnotationEditFormatter() { |
| return this.annotationEditFormatter; |
| } |
| |
| @Override |
| public JavaResourceModel getResourceModel() { |
| return this.javaResourceModel; |
| } |
| |
| |
| // ********** JpaCompilationUnit implementation ********** |
| |
| public ICompilationUnit getCompilationUnit() { |
| return this.compilationUnit; |
| } |
| |
| public JavaResourcePersistentType getJavaPersistentTypeResource(String fullyQualifiedTypeName) { |
| return (this.persistentType == null) ? null : this.persistentType.getJavaPersistentTypeResource(fullyQualifiedTypeName); |
| } |
| |
| /** |
| * The persistentType resource for the compilation unit's primary type. |
| * Will be null if the primary type is null. |
| */ |
| public JavaResourcePersistentType getPersistentType() { |
| return this.persistentType; |
| //TODO should i only be returning this if it returns true to isPersistable? |
| //that's how we handle nestedTypes on JavaPersistentTypeResource |
| //return this.persistentType.isPersistable() ? this.persistentType : null; |
| } |
| |
| protected void setPersistentType(JavaResourcePersistentType persistentType) { |
| JavaResourcePersistentType old = this.persistentType; |
| this.persistentType = persistentType; |
| this.firePropertyChanged(PERSISTENT_TYPE_PROPERTY, old, persistentType); |
| } |
| |
| public void updateFromJava() { |
| this.updateFromJava(this.buildASTRoot()); |
| } |
| |
| public void updateFromJava(CompilationUnit astRoot) { |
| TypeDeclaration td = this.getPrimaryType(astRoot); |
| if (td == null) { |
| this.setPersistentType(null); |
| } else { |
| if (this.persistentType == null) { |
| this.setPersistentType(this.buildJavaResourcePersistentType(astRoot, td)); |
| } else { |
| this.persistentType.updateFromJava(astRoot); |
| } |
| } |
| } |
| |
| public TextRange getTextRange(CompilationUnit astRoot) { |
| return null; |
| } |
| |
| public void resourceChanged() { |
| this.javaResourceModel.resourceChanged(); |
| } |
| |
| public void resolveTypes() { |
| if (this.persistentType != null) { |
| this.persistentType.resolveTypes(this.buildASTRoot()); |
| } |
| } |
| |
| |
| // ********** internal ********** |
| |
| protected CompilationUnit buildASTRoot() { |
| return JDTTools.buildASTRoot(this.compilationUnit); |
| } |
| |
| // TODO use JPA factory |
| protected JavaResourcePersistentType buildJavaResourcePersistentType(CompilationUnit astRoot, TypeDeclaration typeDeclaration) { |
| return JavaResourcePersistentTypeImpl.newInstance(this, typeDeclaration, astRoot); |
| } |
| |
| /** |
| * i.e. the type with the same name as the compilation unit; |
| * return the first class or interface (ignore annotations and enums) with |
| * the same name as the compilation unit (file); |
| * NB: this type could be in error if there is an annotation or enum |
| * with the same name preceding it in the compilation unit |
| */ |
| protected TypeDeclaration getPrimaryType(CompilationUnit astRoot) { |
| String primaryTypeName = this.getPrimaryTypeName(); |
| for (AbstractTypeDeclaration atd : types(astRoot)) { |
| if ((atd.getNodeType() == ASTNode.TYPE_DECLARATION) |
| && atd.getName().getFullyQualifiedName().equals(primaryTypeName)) { |
| return (TypeDeclaration) atd; |
| } |
| } |
| return null; |
| } |
| |
| // minimize scope of suppressed warnings |
| @SuppressWarnings("unchecked") |
| protected static List<AbstractTypeDeclaration> types(CompilationUnit astRoot) { |
| return astRoot.types(); |
| } |
| |
| /** |
| * i.e. the name of the compilation unit |
| */ |
| protected String getPrimaryTypeName() { |
| return removeJavaExtension(this.compilationUnit.getElementName()); |
| } |
| |
| protected static String removeJavaExtension(String fileName) { |
| int index = fileName.lastIndexOf(".java"); |
| return (index == -1) ? fileName : fileName.substring(0, index); |
| } |
| |
| @Override |
| public void toString(StringBuilder sb) { |
| sb.append(this.persistentType.getName()); |
| } |
| |
| } |