Stuart McCulloch | 26e7a5a | 2011-10-17 10:31:43 +0000 | [diff] [blame^] | 1 | package aQute.bnd.make.coverage; |
| 2 | |
| 3 | import java.io.*; |
| 4 | import java.lang.reflect.*; |
| 5 | import java.util.*; |
| 6 | |
| 7 | import aQute.lib.osgi.*; |
| 8 | import aQute.lib.osgi.Clazz.*; |
| 9 | |
| 10 | /** |
| 11 | * This class can create a coverage table between two classspaces. The |
| 12 | * destination class space is used to create a table of methods. All source |
| 13 | * methods that refer to a specific dest are then filled into the table. |
| 14 | * |
| 15 | */ |
| 16 | public class Coverage { |
| 17 | |
| 18 | /** |
| 19 | * Create a cross reference table from source to dest. |
| 20 | * |
| 21 | * @param source |
| 22 | * The methods that refer to dest |
| 23 | * @param dest |
| 24 | * The methods that are being referred to |
| 25 | * @return A mapping of source methods to destination methods. |
| 26 | * @throws IOException |
| 27 | */ |
| 28 | public static Map<MethodDef, List<MethodDef>> getCrossRef( |
| 29 | Collection<Clazz> source, Collection<Clazz> dest) |
| 30 | throws Exception { |
| 31 | final Map<MethodDef, List<MethodDef>> catalog = buildCatalog(dest); |
| 32 | crossRef(source, catalog); |
| 33 | return catalog; |
| 34 | } |
| 35 | |
| 36 | private static void crossRef(Collection<Clazz> source, |
| 37 | final Map<MethodDef, List<MethodDef>> catalog) throws Exception { |
| 38 | for (final Clazz clazz : source) { |
| 39 | clazz.parseClassFileWithCollector(new ClassDataCollector() { |
| 40 | MethodDef source; |
| 41 | |
| 42 | public void implementsInterfaces(String names[]) { |
| 43 | MethodDef def = new MethodDef(0, clazz.getFQN(), |
| 44 | "<implements>", "()V"); |
| 45 | for (String interfaceName : names) { |
| 46 | interfaceName = Clazz.internalToFqn(interfaceName); |
| 47 | for (Map.Entry<MethodDef, List<MethodDef>> entry : catalog |
| 48 | .entrySet()) { |
| 49 | String catalogClass = entry.getKey().clazz; |
| 50 | List<MethodDef> references = entry.getValue(); |
| 51 | |
| 52 | if (catalogClass.equals(interfaceName)) { |
| 53 | references.add(def); |
| 54 | } |
| 55 | } |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | // Method definitions |
| 60 | public void method(MethodDef source) { |
| 61 | this.source = source; |
| 62 | } |
| 63 | |
| 64 | public void reference(MethodDef reference) { |
| 65 | List<MethodDef> references = catalog.get(reference); |
| 66 | if (references != null) { |
| 67 | references.add(source); |
| 68 | } |
| 69 | } |
| 70 | }); |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | private static Map<MethodDef, List<MethodDef>> buildCatalog( |
| 75 | Collection<Clazz> sources) throws Exception { |
| 76 | final Map<MethodDef, List<MethodDef>> catalog = new TreeMap<MethodDef, List<MethodDef>>(); |
| 77 | for (final Clazz clazz : sources) { |
| 78 | clazz.parseClassFileWithCollector(new ClassDataCollector() { |
| 79 | |
| 80 | public boolean classStart(int access, String name) { |
| 81 | return clazz.isPublic(); |
| 82 | } |
| 83 | |
| 84 | public void method(MethodDef source) { |
| 85 | if (java.lang.reflect.Modifier.isPublic(source.access) |
| 86 | || Modifier.isProtected(source.access)) |
| 87 | catalog.put(source, new ArrayList<MethodDef>()); |
| 88 | } |
| 89 | |
| 90 | }); |
| 91 | } |
| 92 | return catalog; |
| 93 | } |
| 94 | |
| 95 | } |