1 | /******************************************************************************* |
2 | * Copyright (c) 2009 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.search; |
12 | |
13 | import java.util.Set; |
14 | |
15 | import org.eclipse.core.runtime.CoreException; |
16 | import org.eclipse.pde.api.tools.internal.provisional.IApiAnnotations; |
17 | import org.eclipse.pde.api.tools.internal.provisional.VisibilityModifiers; |
18 | import org.eclipse.pde.api.tools.internal.provisional.builder.IReference; |
19 | import org.eclipse.pde.api.tools.internal.provisional.comparator.ApiScope; |
20 | import org.eclipse.pde.api.tools.internal.provisional.model.IApiComponent; |
21 | import org.eclipse.pde.api.tools.internal.provisional.model.IApiElement; |
22 | import org.eclipse.pde.api.tools.internal.provisional.model.IApiMember; |
23 | import org.eclipse.pde.api.tools.internal.provisional.model.IApiScope; |
24 | import org.eclipse.pde.api.tools.internal.provisional.model.IApiType; |
25 | import org.eclipse.pde.api.tools.internal.provisional.model.IApiTypeContainer; |
26 | import org.eclipse.pde.api.tools.internal.provisional.search.IApiSearchRequestor; |
27 | |
28 | /** |
29 | * Default implementation of an {@link IApiSearchRequestor} to use with the |
30 | * {@link ApiSearchEngine}. This requestor returns a search scope |
31 | * composed of the dependent (visible) {@link IApiComponent}s for the given |
32 | * {@link IApiElement} |
33 | * |
34 | * @since 1.0.0 |
35 | */ |
36 | public class UseSearchRequestor implements IApiSearchRequestor { |
37 | |
38 | /** |
39 | * The backing elements to search with |
40 | */ |
41 | private Set fComponentIds = null; |
42 | |
43 | /** |
44 | * The mask to use while searching |
45 | */ |
46 | private int fSearchMask = 0; |
47 | |
48 | /** |
49 | * The search scope for this requestor |
50 | */ |
51 | private IApiScope fScope = null; |
52 | |
53 | /** |
54 | * Patterns for jar API type roots to not scan |
55 | */ |
56 | private String[] jarPatterns = null; |
57 | |
58 | /** |
59 | * Constructor |
60 | * @param elements an array of {@link IApiElement}s for the search engine to use |
61 | * @param scope the raw list of {@link IApiElement}s to extract references from |
62 | * @param searchkinds the kinds of references to search for. |
63 | * <br>Options include: |
64 | * <ol> |
65 | * <li>{@link #INCLUDE_API}</li> |
66 | * <li>{@link #INCLUDE_INTERNAL}</li> |
67 | * </ol> |
68 | */ |
69 | public UseSearchRequestor(Set/*<String>*/ elementnames, IApiElement[] scope, int searchkinds) { |
70 | fSearchMask = searchkinds; |
71 | fComponentIds = elementnames; |
72 | prepareScope(scope); |
73 | } |
74 | |
75 | /* (non-Javadoc) |
76 | * @see org.eclipse.pde.api.tools.internal.provisional.search.IApiSearchRequestor#acceptComponent(org.eclipse.pde.api.tools.internal.provisional.model.IApiComponent) |
77 | */ |
78 | public boolean acceptComponent(IApiComponent component) { |
79 | return true; //fComponentIds.contains(component); |
80 | } |
81 | |
82 | /* (non-Javadoc) |
83 | * @see org.eclipse.pde.api.tools.internal.provisional.search.IApiSearchRequestor#acceptContainer(org.eclipse.pde.api.tools.internal.provisional.model.IApiTypeContainer) |
84 | */ |
85 | public boolean acceptContainer(IApiTypeContainer container) { |
86 | return considerTypeContainer(container); |
87 | } |
88 | |
89 | /* (non-Javadoc) |
90 | * @see org.eclipse.pde.api.tools.internal.provisional.search.IApiSearchRequestor#acceptMember(org.eclipse.pde.api.tools.internal.provisional.model.IApiMember) |
91 | */ |
92 | public boolean acceptMember(IApiMember member) { |
93 | // don't consider inner types, as they are considered with the root type |
94 | switch(member.getType()) { |
95 | case IApiElement.TYPE: { |
96 | IApiType type = (IApiType) member; |
97 | return !(type.isMemberType() || type.isLocal()); |
98 | } |
99 | } |
100 | return true; |
101 | } |
102 | |
103 | /** |
104 | * Returns if the given {@link IApiTypeContainer} should be processed |
105 | * @param container |
106 | * @return true if the container should be processed false otherwise |
107 | */ |
108 | boolean considerTypeContainer(IApiTypeContainer container) { |
109 | if(jarPatterns != null && container != null) { |
110 | if(container.getContainerType() == IApiTypeContainer.ARCHIVE) { |
111 | String[] pparts = null; |
112 | for (int i = 0; i < jarPatterns.length; i++) { |
113 | pparts = jarPatterns[i].split(":"); //$NON-NLS-1$ |
114 | if(pparts.length != 2) { |
115 | continue; |
116 | } |
117 | if(container.getApiComponent().getId().equals(pparts[0])) { |
118 | if(container.getName().endsWith(pparts[1])) { |
119 | return false; |
120 | } |
121 | } |
122 | } |
123 | } |
124 | } |
125 | return true; |
126 | } |
127 | |
128 | /* (non-Javadoc) |
129 | * @see org.eclipse.pde.api.tools.internal.provisional.search.IApiSearchRequestor#acceptReference(org.eclipse.pde.api.tools.internal.provisional.builder.IReference) |
130 | */ |
131 | public boolean acceptReference(IReference reference) { |
132 | try { |
133 | IApiMember member = reference.getResolvedReference(); |
134 | if(member != null) { |
135 | IApiComponent component = member.getApiComponent(); |
136 | if(!fComponentIds.contains(component.getId())) { |
137 | return false; |
138 | } |
139 | if(component.equals(reference.getMember().getApiComponent())) { |
140 | return false; |
141 | } |
142 | if(includesAPI() && includesInternal()) { |
143 | return true; |
144 | } |
145 | IApiAnnotations annots = component.getApiDescription().resolveAnnotations(member.getHandle()); |
146 | if(annots != null) { |
147 | int vis = annots.getVisibility(); |
148 | if(VisibilityModifiers.isAPI(vis) && includesAPI()) { |
149 | return true; |
150 | } |
151 | else if(VisibilityModifiers.isPrivate(vis) && includesInternal()) { |
152 | return true; |
153 | } |
154 | } |
155 | } |
156 | } |
157 | catch(CoreException ce) { |
158 | //ApiPlugin.log(ce); |
159 | } |
160 | return false; |
161 | } |
162 | |
163 | /* (non-Javadoc) |
164 | * @see org.eclipse.pde.api.tools.internal.provisional.search.IApiSearchRequestor#getReferenceKinds() |
165 | */ |
166 | public int getReferenceKinds() { |
167 | int kinds = IReference.MASK_REF_ALL & ~IReference.REF_CONSTANTPOOL; |
168 | return kinds; |
169 | } |
170 | |
171 | /** |
172 | * Prepares the search scope based on the available entries in the constructor |
173 | * @param elements |
174 | */ |
175 | private void prepareScope(IApiElement[] elements) { |
176 | if(elements != null) { |
177 | fScope = new ApiScope(); |
178 | for(int i = 0; i < elements.length; i++) { |
179 | fScope.addElement(elements[i].getApiComponent()); |
180 | } |
181 | } |
182 | } |
183 | |
184 | /* (non-Javadoc) |
185 | * @see org.eclipse.pde.api.tools.internal.provisional.search.IApiSearchRequestor#getScope() |
186 | */ |
187 | public IApiScope getScope() { |
188 | return fScope; |
189 | } |
190 | |
191 | /* (non-Javadoc) |
192 | * @see org.eclipse.pde.api.tools.internal.provisional.search.IApiSearchRequestor#includesAPI() |
193 | */ |
194 | public boolean includesAPI() { |
195 | return (fSearchMask & INCLUDE_API) > 0; |
196 | } |
197 | |
198 | /* (non-Javadoc) |
199 | * @see org.eclipse.pde.api.tools.internal.provisional.search.IApiSearchRequestor#includesInternal() |
200 | */ |
201 | public boolean includesInternal() { |
202 | return (fSearchMask & INCLUDE_INTERNAL) > 0; |
203 | } |
204 | |
205 | /** |
206 | * The patterns for jar names to exclude from the search |
207 | * @param patterns |
208 | */ |
209 | public void setJarPatterns(String[] patterns) { |
210 | jarPatterns = patterns; |
211 | } |
212 | } |