1 protected Class<?> loadClass(String name, boolean resolve)
2 throws ClassNotFoundException
3 {
4 // First, check if the class has already been loaded
5 Class c = findLoadedClass(name);
6 if (c == null) {
7 // If still not found, then invoke findClass in order
8 // to find the class.
9 c = findClass(name);
10 // this is the defining class loader; record the stats
11 }
12 return c;
13 }
1 /*package*/ final class DexPathList {
2 private static final String DEX_SUFFIX = ".dex";
3 private static final String JAR_SUFFIX = ".jar";
4 private static final String ZIP_SUFFIX = ".zip";
5 private static final String APK_SUFFIX = ".apk";
6
7 /** class definition context */
8 private final ClassLoader definingContext;
9
10 /**
11 * List of dex/resource (class path) elements.
12 * Should be called pathElements, but the Facebook app uses reflection
13 * to modify \'dexElements\' (http://b/7726934).
14 */
15 private final Element[] dexElements;
16
17 /**
18 * Finds the named class in one of the dex files pointed at by
19 * this instance. This will find the one in the earliest listed
20 * path element. If the class is found but has not yet been
21 * defined, then this method will define it in the defining
22 * context that this instance was constructed with.
23 *
24 * @param name of class to find
25 * @param suppressed exceptions encountered whilst finding the class
26 * @return the named class or {@code null} if the class is not
27 * found in any of the dex files
28 */
29 public Class findClass(String name, List<Throwable> suppressed) {
30 for (Element element : dexElements) {
31 DexFile dex = element.dexFile;
32
33 if (dex != null) {
34 Class clazz = dex.loadClassBinaryName(name, definingContext, suppressed);
35 if (clazz != null) {
36 return clazz;
37 }
38 }
39 }
40 if (dexElementsSuppressedExceptions != null) {
41 suppressed.addAll(Arrays.asList(dexElementsSuppressedExceptions));
42 }
43 return null;
44 }
45 }
