| /******************************************************************************* |
| * Copyright (c) 2000, 2009 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.core; |
| |
| import org.eclipse.jdt.core.IField; |
| import org.eclipse.jdt.core.IInitializer; |
| import org.eclipse.jdt.core.IMethod; |
| import org.eclipse.jdt.core.IModuleDescription; |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.IType; |
| |
| /** |
| * The SingleTypeRequestor is an IJavaElementRequestor that |
| * only accepts one result element and then cancels. |
| */ |
| /* package */ class SingleTypeRequestor implements IJavaElementRequestor { |
| /** |
| * The single accepted element |
| */ |
| protected IType element= null; |
| /** |
| * @see IJavaElementRequestor |
| */ |
| @Override |
| public void acceptField(IField field) { |
| // implements interface method |
| } |
| /** |
| * @see IJavaElementRequestor |
| */ |
| @Override |
| public void acceptInitializer(IInitializer initializer) { |
| // implements interface method |
| } |
| /** |
| * @see IJavaElementRequestor |
| */ |
| @Override |
| public void acceptMemberType(IType type) { |
| this.element= type; |
| } |
| /** |
| * @see IJavaElementRequestor |
| */ |
| @Override |
| public void acceptMethod(IMethod method) { |
| // implements interface method |
| } |
| /** |
| * @see IJavaElementRequestor |
| */ |
| @Override |
| public void acceptModule(IModuleDescription module) { |
| // implements interface method |
| } |
| /** |
| * @see IJavaElementRequestor |
| */ |
| @Override |
| public void acceptPackageFragment(IPackageFragment packageFragment) { |
| // implements interface method |
| } |
| /** |
| * @see IJavaElementRequestor |
| */ |
| @Override |
| public void acceptType(IType type) { |
| this.element= type; |
| } |
| /** |
| * Returns the type accepted by this requestor, or <code>null</code> |
| * if no type has been accepted. |
| */ |
| public IType getType() { |
| return this.element; |
| } |
| /** |
| * @see IJavaElementRequestor |
| */ |
| @Override |
| public boolean isCanceled() { |
| return this.element != null; |
| } |
| /** |
| * Reset the state of this requestor |
| */ |
| public void reset() { |
| this.element= null; |
| } |
| } |