| 1 | /******************************************************************************* | 
| 2 |  * Copyright (c) 2007, 2008 IBM Corporation and others. | 
| 3 |  * All rights reserved. This program and the accompanying materials | 
| 4 |  * are made available under the terms of the Eclipse Public License v1.0 | 
| 5 |  * which accompanies this distribution, and is available at | 
| 6 |  * http://www.eclipse.org/legal/epl-v10.html | 
| 7 |  * | 
| 8 |  * Contributors: | 
| 9 |  *     IBM Corporation - initial API and implementation | 
| 10 |  *******************************************************************************/ | 
| 11 | package org.eclipse.pde.api.tools.internal.descriptors; | 
| 12 |   | 
| 13 | import org.eclipse.pde.api.tools.internal.provisional.descriptors.IElementDescriptor; | 
| 14 | import org.eclipse.pde.api.tools.internal.provisional.descriptors.IMemberDescriptor; | 
| 15 | import org.eclipse.pde.api.tools.internal.provisional.descriptors.IPackageDescriptor; | 
| 16 | import org.eclipse.pde.api.tools.internal.provisional.descriptors.IReferenceTypeDescriptor; | 
| 17 |   | 
| 18 | /** | 
| 19 |  * Description of a field. | 
| 20 |  *  | 
| 21 |  * @since 1.0.0 | 
| 22 |  */ | 
| 23 | public abstract class MemberDescriptorImpl extends NamedElementDescriptorImpl implements IMemberDescriptor { | 
| 24 |          | 
| 25 |         /** | 
| 26 |          * parent element or <code>null</code> | 
| 27 |          */ | 
| 28 |         private IElementDescriptor fParent; | 
| 29 |          | 
| 30 |         /** | 
| 31 |          * Constructs a member with the given name and parent | 
| 32 |          *  | 
| 33 |          * @param name field name | 
| 34 |          * @param parent type containing the field declaration or package containing the type | 
| 35 |          * @param modifiers | 
| 36 |          */ | 
| 37 |         MemberDescriptorImpl(String name, IElementDescriptor parent) { | 
| 38 |                 super(name); | 
| 39 |                 fParent = parent; | 
| 40 |         } | 
| 41 |   | 
| 42 |         /* (non-Javadoc) | 
| 43 |          * @see org.eclipse.pde.api.tools.model.component.IMemberDescriptor#getEnclosingType() | 
| 44 |          */ | 
| 45 |         public IReferenceTypeDescriptor getEnclosingType() { | 
| 46 |                 IElementDescriptor parent = getParent(); | 
| 47 |                 if (parent instanceof IReferenceTypeDescriptor) { | 
| 48 |                         return (IReferenceTypeDescriptor)parent; | 
| 49 |                 } | 
| 50 |                 return null; | 
| 51 |         } | 
| 52 |   | 
| 53 |         /* (non-Javadoc) | 
| 54 |          * @see org.eclipse.pde.api.tools.model.component.IMemberDescriptor#getPackage() | 
| 55 |          */ | 
| 56 |         public IPackageDescriptor getPackage() { | 
| 57 |                 IElementDescriptor parent = getParent(); | 
| 58 |                 while (!(parent instanceof IPackageDescriptor)) { | 
| 59 |                         parent = ((MemberDescriptorImpl)parent).getParent(); | 
| 60 |                 } | 
| 61 |                 return (IPackageDescriptor) parent; | 
| 62 |         }         | 
| 63 |          | 
| 64 |         /* (non-Javadoc) | 
| 65 |          * @see org.eclipse.pde.api.tools.model.component.IElementDescriptor#getParent() | 
| 66 |          */ | 
| 67 |         public IElementDescriptor getParent() { | 
| 68 |                 return fParent; | 
| 69 |         } | 
| 70 |   | 
| 71 | } |