Examples with DexMethodNode com.googlecode.d2j.node.DexMethodNode used on opensource projects

Example 6 with DexMethodNode

use of com.googlecode.d2j.node.DexMethodNode in project dex2jar by pxb1988.

the class TestUtils method translateAndCheck.

public static byte[] translateAndCheck(DexFileNode fileNode, DexClassNode clzNode) throws AnalyzerException, IllegalAccessException {
    // 1. convert to .class
    Dex2Asm dex2Asm = new Dex2Asm() {

        @Override
        public void convertCode(DexMethodNode methodNode, MethodVisitor mv) {
            try {
                super.convertCode(methodNode, mv);
            } catch (Exception ex) {
                BaksmaliDumper d = new BaksmaliDumper();
                try {
                    BufferedWriter out = new BufferedWriter(new OutputStreamWriter(System.err, "UTF-8"));
                    d.baksmaliMethod(methodNode, out);
                    out.flush();
                } catch (IOException e) {
                    e.printStackTrace();
                }
                throw new DexException(ex, "fail convert code %s", methodNode.method);
            }
        }
    };
    final ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
    ClassVisitorFactory cvf = new ClassVisitorFactory() {

        @Override
        public ClassVisitor create(String classInternalName) {
            return cw;
        }
    };
    if (fileNode != null) {
        dex2Asm.convertClass(clzNode, cvf, fileNode);
    } else {
        dex2Asm.convertClass(clzNode, cvf);
    }
    byte[] data = cw.toByteArray();
    // 2. verify .class
    ClassReader cr = new ClassReader(data);
    TestUtils.verify(cr);
    // 3. convert back to dex
    CfOptions cfOptions = new CfOptions();
    cfOptions.strictNameCheck = false;
    DexOptions dexOptions = new DexOptions();
    DirectClassFile dcf = new DirectClassFile(data, clzNode.className.substring(1, clzNode.className.length() - 1) + ".class", true);
    dcf.setAttributeFactory(new StdAttributeFactory());
    com.android.dx.dex.file.DexFile dxFile = new com.android.dx.dex.file.DexFile(dexOptions);
    CfTranslator.translate(dcf, data, cfOptions, dexOptions, dxFile);
    return data;
}