| 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 java.util.ArrayList; |
| 14 | import java.util.Iterator; |
| 15 | import java.util.List; |
| 16 | |
| 17 | import org.eclipse.pde.api.tools.internal.provisional.descriptors.IElementDescriptor; |
| 18 | import org.eclipse.pde.api.tools.internal.provisional.descriptors.IFieldDescriptor; |
| 19 | import org.eclipse.pde.api.tools.internal.provisional.descriptors.IMethodDescriptor; |
| 20 | import org.eclipse.pde.api.tools.internal.provisional.descriptors.IReferenceTypeDescriptor; |
| 21 | |
| 22 | /** |
| 23 | * Reference type descriptor. |
| 24 | * |
| 25 | * @since 1.0.0 |
| 26 | */ |
| 27 | public class ReferenceTypeDescriptorImpl extends MemberDescriptorImpl implements IReferenceTypeDescriptor { |
| 28 | |
| 29 | /** |
| 30 | * Fully qualified name |
| 31 | */ |
| 32 | private String fFullName = null; |
| 33 | |
| 34 | /** |
| 35 | * Type signature |
| 36 | */ |
| 37 | private String fSignature = null; |
| 38 | |
| 39 | /** |
| 40 | * Generic information or <code>null</code> |
| 41 | */ |
| 42 | private String fGenericSignature = null; |
| 43 | |
| 44 | /** |
| 45 | * Constructs a type descriptor with the given name and parent. |
| 46 | * |
| 47 | * @param name simple type name |
| 48 | * @param parent package or enclosing type |
| 49 | */ |
| 50 | ReferenceTypeDescriptorImpl(String name, IElementDescriptor parent) { |
| 51 | super(name, parent); |
| 52 | |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * Constructs a type descriptor with the given name and parent. |
| 57 | * |
| 58 | * @param name simple type name |
| 59 | * @param parent package or enclosing type |
| 60 | * @param genericSignature generic signature info or <code>null</code> |
| 61 | */ |
| 62 | ReferenceTypeDescriptorImpl(String name, IElementDescriptor parent, String genericSignature) { |
| 63 | this(name, parent); |
| 64 | fGenericSignature = genericSignature; |
| 65 | } |
| 66 | |
| 67 | /* (non-Javadoc) |
| 68 | * @see org.eclipse.pde.api.tools.model.component.IReferenceTypeDescriptor#getField(java.lang.String) |
| 69 | */ |
| 70 | public IFieldDescriptor getField(String name) { |
| 71 | return new FieldDescriptorImpl(name, this); |
| 72 | } |
| 73 | |
| 74 | /* (non-Javadoc) |
| 75 | * @see org.eclipse.pde.api.tools.model.component.IReferenceTypeDescriptor#getMethod(java.lang.String, java.lang.String) |
| 76 | */ |
| 77 | public IMethodDescriptor getMethod(String name, String signature) { |
| 78 | return new MethodDescriptorImpl(name, this, signature); |
| 79 | } |
| 80 | |
| 81 | /* (non-Javadoc) |
| 82 | * @see org.eclipse.pde.api.tools.model.component.IReferenceTypeDescriptor#getType(java.lang.String) |
| 83 | */ |
| 84 | public IReferenceTypeDescriptor getType(String simpleName) { |
| 85 | return new ReferenceTypeDescriptorImpl(simpleName, this); |
| 86 | } |
| 87 | |
| 88 | /* (non-Javadoc) |
| 89 | * @see java.lang.Object#toString() |
| 90 | */ |
| 91 | public String toString() { |
| 92 | return getQualifiedName(); |
| 93 | } |
| 94 | |
| 95 | /* (non-Javadoc) |
| 96 | * @see org.eclipse.pde.api.tools.model.component.IReferenceTypeDescriptor#getQualifiedName() |
| 97 | */ |
| 98 | public synchronized String getQualifiedName() { |
| 99 | if (fFullName == null) { |
| 100 | StringBuffer buffer = new StringBuffer(); |
| 101 | buffer.append(getPackage().getName()); |
| 102 | if (buffer.length() > 0) { |
| 103 | buffer.append('.'); |
| 104 | } |
| 105 | List all = null; |
| 106 | IReferenceTypeDescriptor enclosingType = getEnclosingType(); |
| 107 | while (enclosingType != null) { |
| 108 | if (all == null) { |
| 109 | all = new ArrayList(); |
| 110 | } |
| 111 | all.add(0, enclosingType); |
| 112 | enclosingType = enclosingType.getEnclosingType(); |
| 113 | } |
| 114 | if (all != null) { |
| 115 | Iterator iterator = all.iterator(); |
| 116 | while (iterator.hasNext()) { |
| 117 | buffer.append(((IReferenceTypeDescriptor)iterator.next()).getName()); |
| 118 | buffer.append('$'); |
| 119 | } |
| 120 | } |
| 121 | buffer.append(getName()); |
| 122 | fFullName = buffer.toString(); |
| 123 | } |
| 124 | return fFullName; |
| 125 | } |
| 126 | |
| 127 | /* (non-Javadoc) |
| 128 | * @see java.lang.Object#equals(java.lang.Object) |
| 129 | */ |
| 130 | public boolean equals(Object obj) { |
| 131 | if (obj instanceof IReferenceTypeDescriptor) { |
| 132 | IReferenceTypeDescriptor refType = (IReferenceTypeDescriptor) obj; |
| 133 | return getQualifiedName().equals(refType.getQualifiedName()); |
| 134 | } |
| 135 | return false; |
| 136 | } |
| 137 | |
| 138 | /* (non-Javadoc) |
| 139 | * @see java.lang.Object#hashCode() |
| 140 | */ |
| 141 | public int hashCode() { |
| 142 | return getQualifiedName().hashCode(); |
| 143 | } |
| 144 | |
| 145 | /* (non-Javadoc) |
| 146 | * @see org.eclipse.pde.api.tools.internal.descriptors.ElementDescriptorImpl#getComparable() |
| 147 | */ |
| 148 | protected Comparable getComparable() { |
| 149 | return getQualifiedName(); |
| 150 | } |
| 151 | |
| 152 | /* (non-Javadoc) |
| 153 | * @see org.eclipse.pde.api.tools.model.component.IElementDescriptor#getElementType() |
| 154 | */ |
| 155 | public int getElementType() { |
| 156 | return IElementDescriptor.TYPE; |
| 157 | } |
| 158 | /* (non-Javadoc) |
| 159 | * @see org.eclipse.pde.api.tools.model.component.IReferenceTypeDescriptor#getSignature() |
| 160 | */ |
| 161 | public String getSignature() { |
| 162 | if (fSignature == null) { |
| 163 | StringBuffer buf = new StringBuffer(); |
| 164 | buf.append('L'); |
| 165 | buf.append(getQualifiedName()); |
| 166 | buf.append(';'); |
| 167 | fSignature = buf.toString(); |
| 168 | } |
| 169 | return fSignature; |
| 170 | } |
| 171 | |
| 172 | /* (non-Javadoc) |
| 173 | * @see org.eclipse.pde.api.tools.model.component.IReferenceTypeDescriptor#getGenericSignature() |
| 174 | */ |
| 175 | public String getGenericSignature() { |
| 176 | return fGenericSignature; |
| 177 | } |
| 178 | |
| 179 | /* (non-Javadoc) |
| 180 | * @see org.eclipse.pde.api.tools.descriptors.IReferenceTypeDescriptor#isAnonymous() |
| 181 | */ |
| 182 | public boolean isAnonymous() { |
| 183 | if (getEnclosingType() != null) { |
| 184 | try { |
| 185 | Integer.parseInt(getName()); |
| 186 | return true; |
| 187 | } catch (NumberFormatException e) { |
| 188 | } |
| 189 | } |
| 190 | return false; |
| 191 | } |
| 192 | |
| 193 | } |