Examples with ChangedClassesDexClassInfoCollector com.tencent.tinker.build.dexpatcher.util.ChangedClassesDexClassInfoCollector used on opensource projects

Example 1 with ChangedClassesDexClassInfoCollector

use of com.tencent.tinker.build.dexpatcher.util.ChangedClassesDexClassInfoCollector in project tinker by Tencent.

the class DexDiffDecoder method generateChangedClassesDexFile.

@SuppressWarnings("NewApi")
private void generateChangedClassesDexFile() throws IOException {
    final String dexMode = config.mDexRaw ? "raw" : "jar";
    List<File> oldDexList = new ArrayList<>();
    List<File> newDexList = new ArrayList<>();
    for (AbstractMap.SimpleEntry<File, File> oldAndNewDexFilePair : oldAndNewDexFilePairList) {
        File oldDexFile = oldAndNewDexFilePair.getKey();
        File newDexFile = oldAndNewDexFilePair.getValue();
        if (oldDexFile != null) {
            oldDexList.add(oldDexFile);
        }
        if (newDexFile != null) {
            newDexList.add(newDexFile);
        }
    }
    DexGroup oldDexGroup = DexGroup.wrap(oldDexList);
    DexGroup newDexGroup = DexGroup.wrap(newDexList);
    ChangedClassesDexClassInfoCollector collector = new ChangedClassesDexClassInfoCollector();
    collector.setExcludedClassPatterns(config.mDexLoaderPattern);
    collector.setLogger(dexPatcherLoggerBridge);
    collector.setIncludeRefererToRefererAffectedClasses(true);
    Set<DexClassInfo> classInfosInChangedClassesDex = collector.doCollect(oldDexGroup, newDexGroup);
    Set<Dex> owners = new HashSet<>();
    Map<Dex, Set<String>> ownerToDescOfChangedClassesMap = new HashMap<>();
    for (DexClassInfo classInfo : classInfosInChangedClassesDex) {
        owners.add(classInfo.owner);
        Set<String> descOfChangedClasses = ownerToDescOfChangedClassesMap.get(classInfo.owner);
        if (descOfChangedClasses == null) {
            descOfChangedClasses = new HashSet<>();
            ownerToDescOfChangedClassesMap.put(classInfo.owner, descOfChangedClasses);
        }
        descOfChangedClasses.add(classInfo.classDesc);
    }
    StringBuilder metaBuilder = new StringBuilder();
    int changedDexId = 1;
    for (Dex dex : owners) {
        Set<String> descOfChangedClassesInCurrDex = ownerToDescOfChangedClassesMap.get(dex);
        DexFile dexFile = new DexBackedDexFile(org.jf.dexlib2.Opcodes.forApi(20), dex.getBytes());
        boolean isCurrentDexHasChangedClass = false;
        for (org.jf.dexlib2.iface.ClassDef classDef : dexFile.getClasses()) {
            if (descOfChangedClassesInCurrDex.contains(classDef.getType())) {
                isCurrentDexHasChangedClass = true;
                break;
            }
        }
        if (!isCurrentDexHasChangedClass) {
            continue;
        }
        DexBuilder dexBuilder = new DexBuilder(Opcodes.forApi(23));
        for (org.jf.dexlib2.iface.ClassDef classDef : dexFile.getClasses()) {
            if (!descOfChangedClassesInCurrDex.contains(classDef.getType())) {
                continue;
            }
            Logger.d("Class %s will be added into changed classes dex ...", classDef.getType());
            List<BuilderField> builderFields = new ArrayList<>();
            for (Field field : classDef.getFields()) {
                final BuilderField builderField = dexBuilder.internField(field.getDefiningClass(), field.getName(), field.getType(), field.getAccessFlags(), field.getInitialValue(), field.getAnnotations());
                builderFields.add(builderField);
            }
            List<BuilderMethod> builderMethods = new ArrayList<>();
            for (Method method : classDef.getMethods()) {
                MethodImplementation methodImpl = method.getImplementation();
                if (methodImpl != null) {
                    methodImpl = new BuilderMutableMethodImplementation(dexBuilder, methodImpl);
                }
                BuilderMethod builderMethod = dexBuilder.internMethod(method.getDefiningClass(), method.getName(), method.getParameters(), method.getReturnType(), method.getAccessFlags(), method.getAnnotations(), methodImpl);
                builderMethods.add(builderMethod);
            }
            dexBuilder.internClassDef(classDef.getType(), classDef.getAccessFlags(), classDef.getSuperclass(), classDef.getInterfaces(), classDef.getSourceFile(), classDef.getAnnotations(), builderFields, builderMethods);
        }
        // Write constructed changed classes dex to file and record it in meta file.
        String changedDexName = null;
        if (changedDexId == 1) {
            changedDexName = "classes.dex";
        } else {
            changedDexName = "classes" + changedDexId + ".dex";
        }
        final File dest = new File(config.mTempResultDir + "/" + changedDexName);
        final FileDataStore fileDataStore = new FileDataStore(dest);
        dexBuilder.writeTo(fileDataStore);
        final String md5 = MD5.getMD5(dest);
        appendMetaLine(metaBuilder, changedDexName, "", md5, md5, 0, 0, 0, dexMode);
        ++changedDexId;
    }
    final String meta = metaBuilder.toString();
    Logger.d("\nDexDecoder:write changed classes dex meta file data:\n%s", meta);
    metaWriter.writeLineToInfoFile(meta);
}