1 | /******************************************************************************* |
2 | * Copyright (c) 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.builder; |
12 | |
13 | import java.util.Arrays; |
14 | import java.util.HashMap; |
15 | import java.util.HashSet; |
16 | import java.util.Iterator; |
17 | import java.util.Map; |
18 | import java.util.Set; |
19 | import java.util.Map.Entry; |
20 | |
21 | import org.eclipse.core.runtime.CoreException; |
22 | import org.eclipse.pde.api.tools.internal.model.ApiElement; |
23 | import org.eclipse.pde.api.tools.internal.provisional.Factory; |
24 | import org.eclipse.pde.api.tools.internal.provisional.descriptors.IReferenceTypeDescriptor; |
25 | import org.eclipse.pde.api.tools.internal.provisional.model.ApiTypeContainerVisitor; |
26 | import org.eclipse.pde.api.tools.internal.provisional.model.IApiComponent; |
27 | import org.eclipse.pde.api.tools.internal.provisional.model.IApiElement; |
28 | import org.eclipse.pde.api.tools.internal.provisional.model.IApiTypeContainer; |
29 | import org.eclipse.pde.api.tools.internal.provisional.model.IApiTypeRoot; |
30 | |
31 | /** |
32 | * A search scope containing only types from one component. More efficient than a general purpose |
33 | * scope. |
34 | * |
35 | * @since 1.0 |
36 | */ |
37 | public class TypeScope extends ApiElement implements IApiTypeContainer { |
38 | |
39 | /** |
40 | * Associated component |
41 | */ |
42 | private IApiComponent fComponent; |
43 | |
44 | /** |
45 | * Map of package names to associated type descriptors |
46 | */ |
47 | private Map fPackageToTypes; |
48 | |
49 | /** |
50 | * Constructs a new class file container/search scope on the given types. |
51 | * |
52 | * @param component API component |
53 | * @param types types within the component |
54 | */ |
55 | public TypeScope(IApiComponent component, IReferenceTypeDescriptor[] types) { |
56 | super(component, IApiElement.API_TYPE_CONTAINER, null); |
57 | fComponent = component; |
58 | fPackageToTypes = new HashMap(); |
59 | for (int i = 0; i < types.length; i++) { |
60 | IReferenceTypeDescriptor type = types[i]; |
61 | String name = type.getPackage().getName(); |
62 | Set set = (Set) fPackageToTypes.get(name); |
63 | if (set == null) { |
64 | set = new HashSet(); |
65 | fPackageToTypes.put(name, set); |
66 | } |
67 | set.add(type); |
68 | } |
69 | } |
70 | |
71 | /* (non-Javadoc) |
72 | * @see org.eclipse.pde.api.tools.internal.provisional.IApiTypeContainer#getPackageNames() |
73 | */ |
74 | public String[] getPackageNames() throws CoreException { |
75 | Set pkgs = fPackageToTypes.keySet(); |
76 | String[] result = new String[pkgs.size()]; |
77 | pkgs.toArray(result); |
78 | Arrays.sort(result); |
79 | return result; |
80 | } |
81 | |
82 | /* (non-Javadoc) |
83 | * @see org.eclipse.pde.api.tools.internal.provisional.IApiTypeContainer#accept(org.eclipse.pde.api.tools.internal.provisional.ApiTypeContainerVisitor) |
84 | */ |
85 | public void accept(ApiTypeContainerVisitor visitor) throws CoreException { |
86 | if (visitor.visit(fComponent)) { |
87 | Set entrySet = fPackageToTypes.entrySet(); |
88 | Iterator iterator = entrySet.iterator(); |
89 | while (iterator.hasNext()) { |
90 | Entry entry = (Entry) iterator.next(); |
91 | String pkg = (String)entry.getKey(); |
92 | if (visitor.visitPackage(pkg)) { |
93 | Set types = (Set) entry.getValue(); |
94 | Iterator typeIter = types.iterator(); |
95 | while (typeIter.hasNext()) { |
96 | IReferenceTypeDescriptor type = (IReferenceTypeDescriptor) typeIter.next(); |
97 | IApiTypeRoot classFile = fComponent.findTypeRoot(type.getQualifiedName()); |
98 | if (classFile != null) { |
99 | visitor.visit(pkg, classFile); |
100 | visitor.end(pkg, classFile); |
101 | } |
102 | } |
103 | } |
104 | visitor.endVisitPackage(pkg); |
105 | } |
106 | } |
107 | visitor.end(fComponent); |
108 | } |
109 | |
110 | /* (non-Javadoc) |
111 | * @see org.eclipse.pde.api.tools.internal.provisional.IApiTypeContainer#close() |
112 | */ |
113 | public void close() throws CoreException { |
114 | } |
115 | |
116 | /* (non-Javadoc) |
117 | * @see org.eclipse.pde.api.tools.internal.provisional.IApiTypeContainer#findClassFile(java.lang.String) |
118 | */ |
119 | public IApiTypeRoot findTypeRoot(String qualifiedName) throws CoreException { |
120 | IReferenceTypeDescriptor descriptor = Factory.typeDescriptor(qualifiedName); |
121 | Set types = (Set) fPackageToTypes.get(descriptor.getPackage().getName()); |
122 | if (types != null && types.contains(descriptor)) { |
123 | return fComponent.findTypeRoot(qualifiedName); |
124 | } |
125 | return null; |
126 | } |
127 | |
128 | |
129 | /* (non-Javadoc) |
130 | * @see org.eclipse.pde.api.tools.internal.provisional.IApiTypeContainer#findClassFile(java.lang.String, java.lang.String) |
131 | */ |
132 | public IApiTypeRoot findTypeRoot(String qualifiedName, String id) throws CoreException { |
133 | if (fComponent.getId().equals(id)) { |
134 | return findTypeRoot(qualifiedName); |
135 | } |
136 | return null; |
137 | } |
138 | |
139 | /* (non-Javadoc) |
140 | * @see java.lang.Object#toString() |
141 | */ |
142 | public String toString() { |
143 | StringBuffer buffer = new StringBuffer(); |
144 | buffer.append("*** Type Search Scope ***\n"); //$NON-NLS-1$ |
145 | buffer.append("Component: ").append(fComponent); //$NON-NLS-1$ |
146 | if(fPackageToTypes != null) { |
147 | String pack = null; |
148 | for(Iterator iter = fPackageToTypes.keySet().iterator(); iter.hasNext();) { |
149 | pack = (String) iter.next(); |
150 | buffer.append("Package: ").append(pack).append("\n"); //$NON-NLS-1$ //$NON-NLS-2$ |
151 | buffer.append("Types: ").append(fPackageToTypes.get(pack).toString()).append("\n"); //$NON-NLS-1$ //$NON-NLS-2$ |
152 | } |
153 | } |
154 | return buffer.toString(); |
155 | } |
156 | |
157 | /* (non-Javadoc) |
158 | * @see org.eclipse.pde.api.tools.internal.provisional.model.IApiTypeContainer#getContainerType() |
159 | */ |
160 | public int getContainerType() { |
161 | return IApiTypeContainer.COMPONENT; |
162 | } |
163 | } |