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1
6 package fr.jayasoft.ivy.resolver;
7
8 import java.io.IOException  ;
9 import java.net.MalformedURLException ;
10 import java.net.URL ;
11 import java.util.ArrayList ;
12 import java.util.Arrays ;
13 import java.util.Iterator ;
14 import java.util.List ;
15 import java.util.regex.Matcher ;
16 import java.util.regex.Pattern ;
17
18 import fr.jayasoft.ivy.Artifact;
19 import fr.jayasoft.ivy.ModuleRevisionId;
20 import fr.jayasoft.ivy.repository.Repository;
21 import fr.jayasoft.ivy.repository.Resource;
22 import fr.jayasoft.ivy.util.IvyPatternHelper;
23 import fr.jayasoft.ivy.util.Message;
24
25 public class ResolverHelper {
26 public static String [] listTokenValues(Repository rep, String pattern, String token) {
28 String fileSep = rep.getFileSeparator();
29 pattern = rep.standardize(pattern);
30 String tokenString = IvyPatternHelper.getTokenString(token);
31 int index = pattern.indexOf(tokenString);
32 if (index == -1) {
33 Message.verbose("unable to list "+token+" in "+pattern+": token not found in pattern");
34 return null;
35 }
36 if (((pattern.length() <= index + tokenString.length())
37 || fileSep.equals(pattern.substring(index + tokenString.length(), index + tokenString.length() + 1)))
38 && (index == 0 || fileSep.equals(pattern.substring(index - 1, index)))) {
39 String root = pattern.substring(0, index);
41 return listAll(rep, root);
42 } else {
43 int slashIndex = pattern.substring(0, index).lastIndexOf(fileSep);
44 String root = slashIndex == -1 ? "" : pattern.substring(0, slashIndex);
45
46 try {
47 Message.debug("\tusing "+rep+" to list all in "+root);
48 List all = rep.list(root);
49 if (all != null) {
50 Message.debug("\t\tfound "+all.size()+" urls");
51 List ret = new ArrayList (all.size());
52 int endNameIndex = pattern.indexOf(fileSep, slashIndex + 1);
53 String namePattern;
54 if (endNameIndex != -1) {
55 namePattern = pattern.substring(slashIndex+1, endNameIndex);
56 } else {
57 namePattern = pattern.substring(slashIndex + 1);
58 }
59 String acceptNamePattern = IvyPatternHelper.substituteToken(namePattern, token, "(.+)");
60 Pattern p = Pattern.compile(acceptNamePattern);
61 for (Iterator iter = all.iterator(); iter.hasNext();) {
62 String path = (String )iter.next();
63 int pathSlashIndex = path.lastIndexOf(fileSep);
64 String name = pathSlashIndex == -1 ? path : path.substring(pathSlashIndex+1);
65 Matcher m = p.matcher(name);
66 if (m.matches()) {
67 String value = m.group(1);
68 ret.add(value);
69 }
70 }
71 Message.debug("\t\t"+ret.size()+" matched "+pattern);
72 return (String [])ret.toArray(new String [ret.size()]);
73 } else {
74 return null;
75 }
76 } catch (Exception e) {
77 Message.warn("problem while listing resources in "+root+" with "+rep+": "+e.getClass()+" "+e.getMessage());
78 return null;
79 }
80 }
81 }
82
83 public static String [] listAll(Repository rep, String parent) {
84 try {
85 String fileSep = rep.getFileSeparator();
86 Message.debug("\tusing "+rep+" to list all in "+parent);
87 List all = rep.list(parent);
88 if (all != null) {
89 Message.debug("\t\tfound "+all.size()+" resources");
90 List names = new ArrayList (all.size());
91 for (Iterator iter = all.iterator(); iter.hasNext();) {
92 String path = (String )iter.next();
93 if (path.endsWith(fileSep)) {
94 path = path.substring(0, path.length() - 1);
95 }
96 int slashIndex = path.lastIndexOf(fileSep);
97 names.add(path.substring(slashIndex +1));
98 }
99 return (String [])names.toArray(new String [names.size()]);
100 } else {
101 Message.debug("\t\tno resources found");
102 return null;
103 }
104 } catch (Exception e) {
105 Message.warn("problem while listing resources in "+parent+" with "+rep+": "+e.getClass()+" "+e.getMessage());
106 return null;
107 }
108 }
109
110 public static ResolvedResource[] findAll(Repository rep, ModuleRevisionId mrid, String pattern, Artifact artifact) {
111 String partiallyResolvedPattern = IvyPatternHelper.substitute(pattern, ModuleRevisionId.newInstance(mrid, IvyPatternHelper.getTokenString(IvyPatternHelper.REVISION_KEY)), artifact);
113 Message.debug("\tlisting all in "+partiallyResolvedPattern);
114
115 String [] revs = listTokenValues(rep, partiallyResolvedPattern, IvyPatternHelper.REVISION_KEY);
116 if (revs != null) {
117 Message.debug("\tfound revs: "+Arrays.asList(revs));
118 List ret = new ArrayList (revs.length);
119 for (int i = 0; i < revs.length; i++) {
120 String rres = IvyPatternHelper.substituteToken(partiallyResolvedPattern, IvyPatternHelper.REVISION_KEY, revs[i]);
121 try {
122 ret.add(new ResolvedResource(rep.getResource(rres), revs[i]));
123 } catch (IOException e) {
124 Message.warn("impossible to get resource from name listed by repository: "+rres+": "+e.getMessage());
125 }
126 }
127 if (revs.length != ret.size()) {
128 Message.debug("\tfound resolved res: "+ret);
129 }
130 return (ResolvedResource[])ret.toArray(new ResolvedResource[ret.size()]);
131 } else if (partiallyResolvedPattern.indexOf("["+IvyPatternHelper.REVISION_KEY+"]") == -1) {
132 try {
134 Resource res = rep.getResource(partiallyResolvedPattern);
135 if (res.exists()) {
136 Message.debug("\tonly one resource found without real listing: using and defining it as working@"+rep.getName()+" revision: "+res.getName());
137 return new ResolvedResource[] {new ResolvedResource(res, "working@"+rep.getName())};
138 }
139 } catch (IOException e) {
140 Message.debug("\timpossible to get resource from name listed by repository: "+partiallyResolvedPattern+": "+e.getMessage());
141 }
142 Message.debug("\tno revision found");
143 }
144 return null;
145 }
146
147
197 public static String [] listTokenValues(URLLister lister, String pattern, String token) {
199 pattern = standardize(pattern);
200 if (lister.accept(pattern)) {
201 String tokenString = IvyPatternHelper.getTokenString(token);
202 int index = pattern.indexOf(tokenString);
203 if (index == -1) {
204 Message.verbose("unable to list "+token+" in "+pattern+": token not found in pattern");
205 return null;
206 }
207 if (((pattern.length() <= index + tokenString.length())
208 || "/".equals(pattern.substring(index + tokenString.length(), index + tokenString.length() + 1)))
209 && (index == 0 || "/".equals(pattern.substring(index - 1, index)))) {
210 String root = pattern.substring(0, index);
212 try {
213 return listAll(lister, new URL (root));
214 } catch (MalformedURLException e) {
215 Message.warn("malformed url from pattern root: "+root+": "+e.getMessage());
216 return null;
217 }
218 } else {
219 int slashIndex = pattern.substring(0, index).lastIndexOf('/');
220 String root = slashIndex == -1 ? "" : pattern.substring(0, slashIndex);
221
222 try {
223 Message.debug("\tusing "+lister+" to list all in "+root);
224 List all = lister.listAll(new URL (root));
225 Message.debug("\t\tfound "+all.size()+" urls");
226 List ret = new ArrayList (all.size());
227 int endNameIndex = pattern.indexOf('/', slashIndex + 1);
228 String namePattern;
229 if (endNameIndex != -1) {
230 namePattern = pattern.substring(slashIndex+1, endNameIndex);
231 } else {
232 namePattern = pattern.substring(slashIndex + 1);
233 }
234 String acceptNamePattern = IvyPatternHelper.substituteToken(namePattern, token, "(.+)");
235 Pattern p = Pattern.compile(acceptNamePattern);
236 for (Iterator iter = all.iterator(); iter.hasNext();) {
237 URL url = (URL )iter.next();
238 String path = standardize(url.getPath());
239 int pathSlashIndex = path.lastIndexOf('/');
240 String name = pathSlashIndex == -1 ? path : path.substring(pathSlashIndex+1);
241 Matcher m = p.matcher(name);
242 if (m.matches()) {
243 String value = m.group(1);
244 ret.add(value);
245 }
246 }
247 Message.debug("\t\t"+ret.size()+" matched "+pattern);
248 return (String [])ret.toArray(new String [ret.size()]);
249 } catch (Exception e) {
250 Message.warn("problem while listing files in "+root+": "+e.getClass()+" "+e.getMessage());
251 return null;
252 }
253 }
254 }
255 return null;
256 }
257
258 private static String standardize(String path) {
259 return path.replace('\\', '/');
260 }
261
262 public static String [] listAll(URLLister lister, URL root) {
263 try {
264 if (lister.accept(root.toExternalForm())) {
265 Message.debug("\tusing "+lister+" to list all in "+root);
266 List all = lister.listAll(root);
267 Message.debug("\t\tfound "+all.size()+" urls");
268 List names = new ArrayList (all.size());
269 for (Iterator iter = all.iterator(); iter.hasNext();) {
270 URL dir = (URL )iter.next();
271 String path = dir.getPath();
272 if (path.endsWith("/")) {
273 path = path.substring(0, path.length() - 1);
274 }
275 int slashIndex = path.lastIndexOf('/');
276 names.add(path.substring(slashIndex +1));
277 }
278 return (String [])names.toArray(new String [names.size()]);
279 }
280 return null;
281 } catch (Exception e) {
282 Message.warn("problem while listing directories in "+root+": "+e.getClass()+" "+e.getMessage());
283 return null;
284 }
285 }
286 }
287 |
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