|
1
19
20 package org.netbeans.modules.project.libraries;
21
22 import java.net.URL  ;
23 import java.util.ArrayList ;
24 import java.util.HashMap ;
25 import java.util.Iterator ;
26 import java.util.List ;
27 import java.util.Map ;
28 import org.netbeans.spi.project.libraries.LibraryImplementation;
29 import org.netbeans.spi.project.libraries.LibraryTypeProvider;
30 import org.openide.ErrorManager;
31 import org.xml.sax.Attributes ;
32 import org.xml.sax.SAXException ;
33 import org.xml.sax.SAXParseException ;
34
35
40 public class LibraryDeclarationHandlerImpl implements LibraryDeclarationHandler {
41
42
43 private LibraryImplementation library;
44
45 private String libraryType;
46
47 private String libraryDescription;
48
49 private String libraryName;
50
51 private String localizingBundle;
52
53 private Map <String ,List <URL >> contentTypes = new HashMap <String ,List <URL >>();
54
55 private List <URL > cpEntries;
57
58 private String contentType;
60
61 private boolean inVolume = false;
63
64 public static final boolean DEBUG = false;
65
66
67
69 public LibraryDeclarationHandlerImpl() {
70 }
71
72 public void start_volume(final Attributes meta) throws SAXException {
73 cpEntries = new ArrayList <URL >();
74 this.inVolume = true;
75 }
76
77 public void end_volume() throws SAXException {
78 contentTypes.put (contentType, cpEntries);
79 this.inVolume = false;
80 this.contentType = null;
81 }
82
83 public void handle_type(final String data, final Attributes meta) throws SAXException {
84 if (data == null || data.length () == 0) {
85 throw new SAXException ("Empty value of type element"); }
87 if (this.inVolume) {
88 this.contentType = data;
89 }
90 else {
91 this.libraryType = data;
92 }
93 }
94
95 public void start_library(final Attributes meta) throws SAXException {
96 if ("1.0".equals(meta.getValue("version")) == false) { throw new SAXException ("Invalid librray descriptor version"); }
99 }
100
101 public void end_library() throws SAXException {
102 boolean update;
103 if (this.library != null) {
104 if (this.libraryType == null || !this.libraryType.equals(this.library.getType())) {
105 throw new SAXParseException ("Changing library type of library: "+this.libraryName+" from: "+
106 library.getType()+" to: " + libraryType, null); }
108 update = true;
109 }
110 else {
111 LibraryTypeProvider provider = LibraryTypeRegistry.getDefault().getLibraryTypeProvider(this.libraryType);
112 if (provider == null) {
113 ErrorManager.getDefault().log (ErrorManager.WARNING, "LibraryDeclarationHandlerImpl: Cannot create library: "+this.libraryName+" of unknown type: " + this.libraryType);
114 return;
115 }
116 this.library = provider.createLibrary();
117 update = false;
118 }
119 if (!update || !safeEquals(this.library.getLocalizingBundle(), localizingBundle)) {
120 this.library.setLocalizingBundle (this.localizingBundle);
121 }
122 if (!update || !safeEquals(this.library.getName(), libraryName)) {
123 this.library.setName (this.libraryName);
124 }
125 if (!update || !safeEquals(this.library.getDescription(), libraryDescription)) {
126 this.library.setDescription (this.libraryDescription);
127 }
128 for (Map.Entry <String ,List <URL >> entry : contentTypes.entrySet()) {
129 String contentType = entry.getKey();
130 List <URL > cp = entry.getValue();
131 try {
132 if (!update || !safeEquals (this.library.getContent(contentType),cp)) {
133 this.library.setContent(contentType, cp);
134 }
135 } catch (IllegalArgumentException e) {
136 throw (SAXException ) new SAXException (e.toString()).initCause(e);
137 }
138 }
139 this.libraryName = null;
140 this.libraryDescription = null;
141 this.libraryType = null;
142 this.localizingBundle = null;
143 this.contentTypes.clear ();
144 }
145
146 public void handle_resource(URL data, final Attributes meta) throws SAXException {
147 if (data != null) {
148 cpEntries.add(data);
149 }
150 }
151
152 public void handle_name(final String data, final Attributes meta) throws SAXException {
153 this.libraryName = data;
154 }
155
156 public void handle_description (final String data, final Attributes meta) throws SAXException {
157 libraryDescription = data;
158 }
159
160 public void handle_localizingBundle (final String data, final Attributes meta) throws SAXException {
161 this.localizingBundle = data;
162 }
163
164 public void setLibrary (LibraryImplementation library) {
165 this.library = library;
166 }
167
168 public LibraryImplementation getLibrary () {
169 LibraryImplementation lib = this.library;
170 this.library = null;
171 return lib;
172 }
173
174
175 private static boolean safeEquals (Object o1, Object o2) {
176 return o1 == null ? o2 == null : o1.equals (o2);
177 }
178
179 }
180 |
Popular Tags |
Java API By Example, From Geeks To Geeks.