Stuart McCulloch | 26e7a5a | 2011-10-17 10:31:43 +0000 | [diff] [blame^] | 1 | package aQute.lib.spring; |
| 2 | |
| 3 | import java.io.*; |
| 4 | import java.net.*; |
| 5 | import java.util.*; |
| 6 | import java.util.regex.*; |
| 7 | |
| 8 | import javax.xml.transform.*; |
| 9 | import javax.xml.transform.stream.*; |
| 10 | |
| 11 | import aQute.lib.osgi.*; |
| 12 | |
| 13 | public class XMLType { |
| 14 | |
| 15 | Transformer transformer; |
| 16 | Pattern paths; |
| 17 | String root; |
| 18 | |
| 19 | |
| 20 | static Pattern QN = Pattern |
| 21 | .compile("[_A-Za-z$][_A-Za-z0-9$]*(\\.[_A-Za-z$][_A-Za-z0-9$]*)*"); |
| 22 | |
| 23 | public XMLType(URL source, String root, String paths ) throws Exception { |
| 24 | transformer = getTransformer(source); |
| 25 | this.paths = Pattern.compile(paths); |
| 26 | this.root = root; |
| 27 | } |
| 28 | |
| 29 | public Set<String> analyze(InputStream in) throws Exception { |
| 30 | Set<String> refers = new HashSet<String>(); |
| 31 | |
| 32 | ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| 33 | Result r = new StreamResult(bout); |
| 34 | Source s = new StreamSource(in); |
| 35 | transformer.transform(s, r); |
| 36 | |
| 37 | ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
| 38 | bout.close(); |
| 39 | |
| 40 | BufferedReader br = new BufferedReader(new InputStreamReader(bin, "UTF8")); |
| 41 | |
| 42 | String line = br.readLine(); |
| 43 | while (line != null) { |
| 44 | line = line.trim(); |
| 45 | if (line.length() > 0) { |
| 46 | String parts[] = line.split("\\s*,\\s*"); |
| 47 | for (int i = 0; i < parts.length; i++) { |
| 48 | int n = parts[i].lastIndexOf('.'); |
| 49 | if (n > 0) { |
| 50 | refers.add(parts[i].subSequence(0, n).toString()); |
| 51 | } |
| 52 | } |
| 53 | } |
| 54 | line = br.readLine(); |
| 55 | } |
| 56 | br.close(); |
| 57 | return refers; |
| 58 | } |
| 59 | |
| 60 | public boolean analyzeJar(Analyzer analyzer) throws Exception { |
| 61 | Jar jar = analyzer.getJar(); |
| 62 | Map<String,Resource> dir = jar.getDirectories().get(root); |
| 63 | if (dir == null || dir.isEmpty()) { |
| 64 | Resource resource = jar.getResource(root); |
| 65 | if ( resource != null ) |
| 66 | process(analyzer, root, resource); |
| 67 | return false; |
| 68 | } |
| 69 | |
| 70 | for (Iterator<Map.Entry<String,Resource>> i = dir.entrySet().iterator(); i.hasNext();) { |
| 71 | Map.Entry<String,Resource> entry = i.next(); |
| 72 | String path = entry.getKey(); |
| 73 | Resource resource = entry.getValue(); |
| 74 | if (paths.matcher(path).matches()) { |
| 75 | process(analyzer, path, resource); |
| 76 | } |
| 77 | } |
| 78 | return false; |
| 79 | } |
| 80 | |
| 81 | private void process(Analyzer analyzer, String path, Resource resource) { |
| 82 | try { |
| 83 | InputStream in = resource.openInputStream(); |
| 84 | Set<String> set = analyze(in); |
| 85 | in.close(); |
| 86 | for (Iterator<String> r = set.iterator(); r.hasNext();) { |
| 87 | String pack = r.next(); |
| 88 | if (!QN.matcher(pack).matches()) |
| 89 | analyzer |
| 90 | .warning("Package does not seem a package in spring resource (" |
| 91 | + path + "): " + pack); |
| 92 | if (!analyzer.getReferred().containsKey(pack)) |
| 93 | analyzer.getReferred().put(pack, |
| 94 | new LinkedHashMap<String,String>()); |
| 95 | } |
| 96 | } catch (Exception e) { |
| 97 | analyzer |
| 98 | .error("Unexpected exception in processing spring resources(" |
| 99 | + path + "): " + e); |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | protected Transformer getTransformer(java.net.URL url) throws Exception { |
| 104 | TransformerFactory tf = TransformerFactory.newInstance(); |
| 105 | Source source = new StreamSource(url.openStream()); |
| 106 | return tf.newTransformer(source); |
| 107 | } |
| 108 | } |