| /******************************************************************************* |
| * Copyright (c) 2007, 2008 SAP AG and others. |
| * 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: |
| * Kaloyan Raev, kaloyan.raev@sap.com - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.j2ee.internal.web.operations; |
| |
| import static org.eclipse.jst.j2ee.internal.common.operations.INewJavaClassDataModelProperties.INTERFACES; |
| import static org.eclipse.jst.j2ee.internal.common.operations.INewJavaClassDataModelProperties.PROJECT; |
| import static org.eclipse.jst.j2ee.internal.common.operations.INewJavaClassDataModelProperties.SUPERCLASS; |
| |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.core.ITypeHierarchy; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jst.j2ee.internal.web.plugin.WebPlugin; |
| import org.eclipse.wst.common.frameworks.datamodel.IDataModel; |
| |
| public class AbstractSupertypesValidator { |
| |
| private static ITypeHierarchy typeHierarchyCache = null; |
| |
| protected static String getSuperclass(IDataModel dataModel) { |
| return dataModel.getStringProperty(SUPERCLASS); |
| } |
| |
| protected static List getInterfaces(IDataModel dataModel) { |
| return (List) dataModel.getProperty(INTERFACES); |
| } |
| |
| protected static IJavaProject getJavaProject(IDataModel dataModel) { |
| return JavaCore.create((IProject) dataModel.getProperty(PROJECT)); |
| } |
| |
| protected static boolean hasSuperclass(IDataModel dataModel, |
| String typeName, String superTypeName) { |
| try { |
| IType type = getJavaProject(dataModel).findType(typeName); |
| if (type != null) { |
| ITypeHierarchy typeHierarchy = getTypeHierarchy(type); |
| for (IType superType : typeHierarchy.getAllSuperclasses(type)) { |
| if (superTypeName.equals(superType.getFullyQualifiedName())) |
| return true; |
| } |
| } |
| } catch (JavaModelException e) { |
| WebPlugin.log(e); |
| } |
| |
| return false; |
| } |
| |
| protected static boolean hasSuperInterface(IDataModel dataModel, |
| String typeName, String superTypeName) { |
| try { |
| IType type = getJavaProject(dataModel).findType(typeName); |
| if (type != null) { |
| ITypeHierarchy typeHierarchy = getTypeHierarchy(type); |
| for (IType superType : typeHierarchy.getAllSuperInterfaces(type)) { |
| if (superTypeName.equals(superType.getFullyQualifiedName())) |
| return true; |
| } |
| } |
| } catch (JavaModelException e) { |
| WebPlugin.log(e); |
| } |
| |
| return false; |
| } |
| |
| private static ITypeHierarchy getTypeHierarchy(IType type) throws JavaModelException { |
| if (typeHierarchyCache == null || !type.equals(typeHierarchyCache.getType())) { |
| typeHierarchyCache = type.newTypeHierarchy(null); |
| } |
| return typeHierarchyCache; |
| } |
| |
| } |