| /******************************************************************************* |
| * Copyright (c) 2005 BEA Systems, Inc. |
| * 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: |
| * rfrost@bea.com - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.jst.j2ee.refactor.operations; |
| |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualComponent; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualReference; |
| import org.eclipse.wst.common.frameworks.datamodel.AbstractDataModelOperation; |
| import org.eclipse.wst.common.frameworks.datamodel.IDataModel; |
| |
| /** |
| * Abstract base class for operations that update dependent projects when a |
| * referenced project is refactored. |
| */ |
| public abstract class UpdateDependentProjectOp extends AbstractDataModelOperation |
| implements ProjectRefactoringProperties { |
| |
| /** |
| * Creates a new refactoring operation for the specified data model. |
| * @param model The data model. |
| */ |
| public UpdateDependentProjectOp(final IDataModel model) { |
| super(model); |
| } |
| |
| /** |
| * Does the dependent project have a .component reference on the refactored project? |
| * @return IVirtualReference or null if one didn't exist. |
| */ |
| protected static IVirtualReference hadReference(final ProjectRefactorMetadata dependentMetadata, |
| final ProjectRefactorMetadata refactoredMetadata) { |
| final IVirtualComponent refactoredComp = refactoredMetadata.getVirtualComponent(); |
| if (refactoredComp == null) { |
| return null; |
| } |
| final IVirtualReference[] refs = dependentMetadata.getVirtualComponent().getReferences(); |
| IVirtualReference ref = null; |
| for (int i = 0; i < refs.length; i++) { |
| if (refs[i].getReferencedComponent().equals(refactoredComp)) { |
| ref = refs[i]; |
| break; |
| } |
| } |
| return ref; |
| } |
| |
| /** |
| * Returns true if the dependency was a web library dependency. |
| * @param ref |
| * @return |
| */ |
| protected static boolean hasWebLibDependency(final IVirtualReference ref) { |
| if (ref == null) { |
| return false; |
| } |
| return ref.getRuntimePath().equals(new Path("/WEB-INF/lib")); //$NON-NLS-1$ |
| } |
| |
| /** |
| * Override to disable redo support |
| * @see org.eclipse.core.commands.operations.IUndoableOperation#canRedo() |
| */ |
| public boolean canRedo() { |
| return false; |
| } |
| |
| /** |
| * Override to disable undo support. |
| * @see org.eclipse.core.commands.operations.IUndoableOperation#canUndo() |
| */ |
| public boolean canUndo() { |
| return false; |
| } |
| |
| } |