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1
6 package fr.jayasoft.ivy.xml;
7
8 import java.io.File  ;
9 import java.io.IOException ;
10 import java.io.InputStream ;
11 import java.net.URL ;
12 import java.text.ParseException ;
13 import java.util.Arrays ;
14 import java.util.HashMap ;
15 import java.util.Iterator ;
16 import java.util.List ;
17 import java.util.Map ;
18
19 import javax.xml.parsers.SAXParserFactory ;
20
21 import org.xml.sax.Attributes ;
22 import org.xml.sax.SAXException ;
23 import org.xml.sax.helpers.DefaultHandler ;
24
25 import fr.jayasoft.ivy.ConflictManager;
26 import fr.jayasoft.ivy.Ivy;
27 import fr.jayasoft.ivy.LatestStrategy;
28 import fr.jayasoft.ivy.ModuleId;
29 import fr.jayasoft.ivy.circular.CircularDependencyStrategy;
30 import fr.jayasoft.ivy.matcher.PatternMatcher;
31 import fr.jayasoft.ivy.status.StatusManager;
32 import fr.jayasoft.ivy.url.URLHandlerRegistry;
33 import fr.jayasoft.ivy.util.Configurator;
34 import fr.jayasoft.ivy.util.Message;
35
36
40 public class XmlIvyConfigurationParser extends DefaultHandler {
41 private Configurator _configurator;
42 private List _configuratorTags = Arrays.asList(new String [] {"resolvers", "namespaces", "parsers", "latest-strategies", "conflict-managers", "outputters", "version-matchers", "statuses", "circular-dependency-strategies", "triggers"});
43
44 private Ivy _ivy;
45
46 private String _defaultResolver;
47 private String _defaultCM;
48 private String _defaultLatest;
49 private String _defaultCircular;
50 private String _currentConfiguratorTag;
51
52 public XmlIvyConfigurationParser(Ivy ivy) {
53 _ivy = ivy;
54 }
55
56 public void parse(URL configuration) throws ParseException , IOException {
57 _configurator = new Configurator();
58 Map typeDefs = _ivy.getTypeDefs();
60 for (Iterator iter = typeDefs.keySet().iterator(); iter.hasNext();) {
61 String name = (String ) iter.next();
62 _configurator.typeDef(name, (Class )typeDefs.get(name));
63 }
64
65 doParse(configuration);
66 }
67
68 private void doParse(URL configuration) throws IOException , ParseException {
69 InputStream stream = null;
70 try {
71 stream = URLHandlerRegistry.getDefault().openStream(configuration);
72 SAXParserFactory.newInstance().newSAXParser().parse(
73 stream,
74 this);
75 } catch (IOException e) {
76 throw e;
77 } catch (Exception e) {
78 ParseException pe = new ParseException ("failed to configure with "+configuration+": "+e.getMessage(), 0);
79 pe.initCause(e);
80 throw pe;
81 } finally {
82 if (stream != null) {
83 try {
84 stream.close();
85 } catch (IOException e) {
86 }
87 }
88 }
89 }
90
91 private void parse(Configurator configurator, URL configuration) throws IOException , ParseException {
92 _configurator = configurator;
93 doParse(configuration);
94 }
95
96 public void startElement(String uri, String localName, String qName, Attributes att) throws SAXException {
97 Map attributes = new HashMap ();
99 for (int i=0; i<att.getLength(); i++) {
100 attributes.put(att.getQName(i), att.getValue(i));
101 }
102
103 try {
104 if (_configurator.getCurrent() != null) {
105 if ("macrodef".equals(_currentConfiguratorTag) && _configurator.getTypeDef(qName) != null) {
106 String name = (String )attributes.get("name");
107 if (name == null) {
108 attributes.put("name", "@{name}");
109 } else if (_configurator.isTopLevelMacroRecord() && name.indexOf("@{name}") != -1) {
110 attributes.put("name", name);
111 } else {
112 attributes.put("name", "@{name}-"+name);
113 }
114 }
115 if (attributes.get("ref") != null) {
116 if (attributes.size() != 1) {
117 throw new IllegalArgumentException ("ref attribute should be the only one ! found "+attributes.size()+" in "+qName);
118 }
119 String name = (String )attributes.get("ref");
120 Object child = null;
121 if ("resolvers".equals(_currentConfiguratorTag)) {
122 child = _ivy.getResolver(name);
123 if (child == null) {
124 throw new IllegalArgumentException ("unknown resolver "+name+": resolver should be defined before being referenced");
125 }
126 } else if ("latest-strategies".equals(_currentConfiguratorTag)) {
127 child = _ivy.getLatestStrategy(name);
128 if (child == null) {
129 throw new IllegalArgumentException ("unknown latest strategy "+name+": latest strategy should be defined before being referenced");
130 }
131 } else if ("conflict-managers".equals(_currentConfiguratorTag)) {
132 child = _ivy.getConflictManager(name);
133 if (child == null) {
134 throw new IllegalArgumentException ("unknown conflict manager "+name+": conflict manager should be defined before being referenced");
135 }
136 }
137 if (child == null) {
138 throw new IllegalArgumentException ("bad reference "+name);
139 }
140 _configurator.addChild(qName, child);
141 } else {
142 _configurator.startCreateChild(qName);
143 for (Iterator iter = attributes.keySet().iterator(); iter.hasNext();) {
144 String attName = (String )iter.next();
145 _configurator.setAttribute(attName, _ivy.substitute((String )attributes.get(attName)));
146 }
147 }
148 } else if ("classpath".equals(qName)) {
149 String urlStr = _ivy.substitute((String )attributes.get("url"));
150 URL url = null;
151 if (urlStr == null) {
152 String file = _ivy.substitute((String )attributes.get("file"));
153 if (file == null) {
154 throw new IllegalArgumentException ("either url or file should be given for classpath element");
155 } else {
156 url = new File (file).toURL();
157 }
158 } else {
159 url = new URL (urlStr);
160 }
161 _ivy.addClasspathURL(url);
162 } else if ("typedef".equals(qName)) {
163 String name = _ivy.substitute((String )attributes.get("name"));
164 String className = _ivy.substitute((String )attributes.get("classname"));
165 Class clazz = _ivy.typeDef(name, className);
166 _configurator.typeDef(name, clazz);
167 } else if ("property".equals(qName)) {
168 String name = _ivy.substitute((String )attributes.get("name"));
169 String value = _ivy.substitute((String )attributes.get("value"));
170 String override = _ivy.substitute((String )attributes.get("override"));
171 if (name == null) {
172 throw new IllegalArgumentException ("missing attribute name on property tag");
173 }
174 if (value == null) {
175 throw new IllegalArgumentException ("missing attribute value on property tag");
176 }
177 _ivy.setVariable(name, value, override == null ? true : Boolean.valueOf(override).booleanValue());
178 } else if ("properties".equals(qName)) {
179 String propFilePath = _ivy.substitute((String )attributes.get("file"));
180 String override = _ivy.substitute((String )attributes.get("override"));
181 try {
182 Message.verbose("loading properties: "+propFilePath);
183 _ivy.loadProperties(new File (propFilePath), override == null ? true : Boolean.valueOf(override).booleanValue());
184 } catch (Exception fileEx) {
185 Message.verbose("failed to load properties as file: trying as url: "+propFilePath);
186 try {
187 _ivy.loadProperties(new URL (propFilePath), override == null ? true : Boolean.valueOf(override).booleanValue());
188 } catch (Exception urlEx) {
189 throw new IllegalArgumentException ("unable to load properties from "+propFilePath+". Tried both as an url and a file, with no success. File exception: "+fileEx+". URL exception: "+urlEx);
190 }
191 }
192 } else if ("include".equals(qName)) {
193 Map variables = new HashMap (_ivy.getVariables());
194 try {
195 String propFilePath = _ivy.substitute((String )attributes.get("file"));
196 URL ivyconfURL = null;
197 if (propFilePath == null) {
198 propFilePath = _ivy.substitute((String )attributes.get("url"));
199 if (propFilePath == null) {
200 Message.error("bad include tag: specify file or url to include");
201 return;
202 } else {
203 Message.verbose("including url: "+propFilePath);
204 ivyconfURL = new URL (propFilePath);
205 _ivy.setConfigurationVariables(ivyconfURL);
206 }
207 } else {
208 File incFile = new File (propFilePath);
209 if (!incFile.exists()) {
210 Message.error("impossible to include "+incFile+": file does not exist");
211 return;
212 } else {
213 Message.verbose("including file: "+propFilePath);
214 _ivy.setConfigurationVariables(incFile);
215 ivyconfURL = incFile.toURL();
216 }
217 }
218 new XmlIvyConfigurationParser(_ivy).parse(_configurator, ivyconfURL);
219 } finally {
220 _ivy.setVariables(variables);
221 }
222 } else if ("conf".equals(qName)) {
223 String cache = (String )attributes.get("defaultCache");
224 if (cache != null) {
225 _ivy.setDefaultCache(new File (_ivy.substitute(cache)));
226 }
227 String defaultBranch = (String )attributes.get("defaultBranch");
228 if (defaultBranch != null) {
229 _ivy.setDefaultBranch(_ivy.substitute(defaultBranch));
230 }
231 String validate = (String )attributes.get("validate");
232 if (validate != null) {
233 _ivy.setValidate(Boolean.valueOf(_ivy.substitute(validate)).booleanValue());
234 }
235 String up2d = (String )attributes.get("checkUpToDate");
236 if (up2d != null) {
237 _ivy.setCheckUpToDate(Boolean.valueOf(_ivy.substitute(up2d)).booleanValue());
238 }
239 String cacheIvyPattern = (String )attributes.get("cacheIvyPattern");
240 if (cacheIvyPattern != null) {
241 _ivy.setCacheIvyPattern(_ivy.substitute(cacheIvyPattern));
242 }
243 String cacheArtPattern = (String )attributes.get("cacheArtifactPattern");
244 if (cacheArtPattern != null) {
245 _ivy.setCacheArtifactPattern(_ivy.substitute(cacheArtPattern));
246 }
247 String useRemoteConfig = (String )attributes.get("useRemoteConfig");
248 if (useRemoteConfig != null) {
249 _ivy.setUseRemoteConfig(Boolean.valueOf(_ivy.substitute(useRemoteConfig)).booleanValue());
250 }
251
252 _defaultResolver = (String )attributes.get("defaultResolver");
254 _defaultCM = (String )attributes.get("defaultConflictManager");
255 _defaultLatest = (String )attributes.get("defaultLatestStrategy");
256 _defaultCircular = (String )attributes.get("circularDependencyStrategy");
257
258 } else if ("version-matchers".equals(qName)) {
259 _currentConfiguratorTag = qName;
260 _configurator.setRoot(_ivy);
261 if ("true".equals(_ivy.substitute((String )attributes.get("usedefaults")))) {
262 _ivy.configureDefaultVersionMatcher();
263 }
264 } else if ("statuses".equals(qName)) {
265 _currentConfiguratorTag = qName;
266 StatusManager m = new StatusManager();
267 String defaultStatus = _ivy.substitute((String )attributes.get("default"));
268 if (defaultStatus != null) {
269 m.setDefaultStatus(defaultStatus);
270 }
271 _ivy.setStatusManager(m);
272 _configurator.setRoot(m);
273 } else if (_configuratorTags.contains(qName)) {
274 _currentConfiguratorTag = qName;
275 _configurator.setRoot(_ivy);
276 } else if ("macrodef".equals(qName)) {
277 _currentConfiguratorTag = qName;
278 Configurator.MacroDef macrodef = _configurator.startMacroDef((String )attributes.get("name"));
279 macrodef.addAttribute("name", null);
280 } else if ("module".equals(qName)) {
281 String organisation = _ivy.substitute((String )attributes.get("organisation"));
282 String module = _ivy.substitute((String )attributes.get("name"));
283 String resolver = _ivy.substitute((String )attributes.get("resolver"));
284 String branch = _ivy.substitute((String )attributes.get("branch"));
285 String cm = _ivy.substitute((String )attributes.get("conflict-manager"));
286 String matcher = _ivy.substitute((String )attributes.get("matcher"));
287 matcher = matcher == null ? PatternMatcher.EXACT_OR_REGEXP : matcher;
288 _ivy.addModuleConfiguration(new ModuleId(organisation, module), _ivy.getMatcher(matcher), resolver, branch, cm);
289 }
290 } catch (Exception ex) {
291 throw new SAXException ("problem in config file: "+ex.getMessage(), ex);
292 }
293 }
294
295 public void endElement(String uri, String localName, String qName) throws SAXException {
296 if (_configurator.getCurrent() != null) {
297 if (_configuratorTags.contains(qName) && _configurator.getDepth() == 1) {
298 _configurator.clear();
299 _currentConfiguratorTag = null;
300 } else if ("macrodef".equals(qName) && _configurator.getDepth() == 1) {
301 _configurator.endMacroDef();
302 _currentConfiguratorTag = null;
303 } else {
304 _configurator.endCreateChild();
305 }
306 }
307 }
308
309 public void endDocument() throws SAXException {
310 if (_defaultResolver != null) {
311 _ivy.setDefaultResolver(_ivy.substitute(_defaultResolver));
312 }
313 if (_defaultCM != null) {
314 ConflictManager conflictManager = _ivy.getConflictManager(_ivy.substitute(_defaultCM));
315 if (conflictManager == null) {
316 throw new IllegalArgumentException ("unknown conflict manager "+_ivy.substitute(_defaultCM));
317 }
318 _ivy.setDefaultConflictManager(conflictManager);
319 }
320 if (_defaultLatest != null) {
321 LatestStrategy latestStrategy = _ivy.getLatestStrategy(_ivy.substitute(_defaultLatest));
322 if (latestStrategy == null) {
323 throw new IllegalArgumentException ("unknown latest strategy " + _ivy.substitute(_defaultLatest));
324 }
325 _ivy.setDefaultLatestStrategy(latestStrategy);
326 }
327 if (_defaultCircular != null) {
328 CircularDependencyStrategy strategy = _ivy.getCircularDependencyStrategy(_ivy.substitute(_defaultCircular));
329 if (strategy == null) {
330 throw new IllegalArgumentException ("unknown circular dependency strategy " + _ivy.substitute(_defaultCircular));
331 }
332 _ivy.setCircularDependencyStrategy(strategy);
333 }
334 }
335 }
336 |
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