private DbJVClass importClass(JavaClass claz, Controller controller) throws DbException {

    String packName = claz.getPackageName();
    String qualifiedName = claz.getClassName();
    int idx = qualifiedName.lastIndexOf('.');
    String classname = qualifiedName.substring(idx + 1);
    DbJVClass dbClaz = null;

    try {
      if (m_classModel != null) {
        DbJVPackage pack = findPackageByName(packName);

        // create class or interface
        int value = claz.isInterface() ? JVClassCategory.INTERFACE : JVClassCategory.CLASS;
        JVClassCategory catg = JVClassCategory.getInstance(value);
        dbClaz =
            (pack == null) ? new DbJVClass(this.m_classModel, catg) : new DbJVClass(pack, catg);
        dbClaz.setName(classname);

        // set class modifiers
        dbClaz.setAbstract(claz.isAbstract());
        dbClaz.setFinal(claz.isFinal());
        dbClaz.setStatic(claz.isStatic());
        dbClaz.setStrictfp(claz.isStrictfp());
        dbClaz.setVisibility(toVisibility(claz));

        // create inheritances
        importInheritances(dbClaz, claz);

        // create fields
        if (m_params.createFields) {
          Field[] fields = claz.getFields();
          for (Field field : fields) {
            importField(dbClaz, field);
          }
        }

        // create methods
        if (m_params.createMethods) {
          Method[] methods = claz.getMethods();
          for (Method method : methods) {
            importMethod(dbClaz, method);
          }
        }

        // keep user informed of progression
        String pattern = LocaleMgr.misc.getString("0SuccessfullyCreated");
        String msg = MessageFormat.format(pattern, qualifiedName);
        controller.println(msg);
      } // end if
    } catch (DbException ex) {
      controller.println(ex.toString());
    } // end try

    return dbClaz;
  } // end importClass()
Example #2
0
  public void visitJavaClass(JavaClass clazz) {
    clazz.accept(visitor);

    Field[] fields = clazz.getFields();
    for (int i = 0; i < fields.length; i++) fields[i].accept(this);

    Method[] methods = clazz.getMethods();
    for (int i = 0; i < methods.length; i++) methods[i].accept(this);

    Attribute[] attributes = clazz.getAttributes();
    for (int i = 0; i < attributes.length; i++) attributes[i].accept(this);

    clazz.getConstantPool().accept(this);
  }
  /**
   * Dumps the contents of the specified class to the specified directory. The file is named
   * dump_dir/[class].bcel. It contains a synopsis of the fields and methods followed by the jvm
   * code for each method.
   *
   * @param jc javaclass to dump
   * @param dump_dir directory in which to write the file
   */
  public static void dump(JavaClass jc, File dump_dir) {

    try {
      dump_dir.mkdir();
      File path = new File(dump_dir, jc.getClassName() + ".bcel");
      PrintStream p = new PrintStream(path);

      // Print the class, super class and interfaces
      p.printf("class %s extends %s\n", jc.getClassName(), jc.getSuperclassName());
      String[] inames = jc.getInterfaceNames();
      if ((inames != null) && (inames.length > 0)) {
        p.printf("   ");
        for (String iname : inames) p.printf("implements %s ", iname);
        p.printf("\n");
      }

      // Print each field
      p.printf("\nFields\n");
      for (Field f : jc.getFields()) p.printf("  %s\n", f);

      // Print the signature of each method
      p.printf("\nMethods\n");
      for (Method m : jc.getMethods()) p.printf("  %s\n", m);

      // If this is not an interface, print the code for each method
      if (!jc.isInterface()) {
        for (Method m : jc.getMethods()) {
          p.printf("\nMethod %s\n", m);
          Code code = m.getCode();
          if (code != null) p.printf("  %s\n", code.toString().replace("\n", "\n  "));
        }
      }

      // Print the details of the constant pool.
      p.printf("Constant Pool:\n");
      ConstantPool cp = jc.getConstantPool();
      Constant[] constants = cp.getConstantPool();
      for (int ii = 0; ii < constants.length; ii++) {
        p.printf("  %d %s\n", ii, constants[ii]);
      }

      p.close();

    } catch (Exception e) {
      throw new Error("Unexpected error dumping javaclass", e);
    }
  }
Example #4
0
  /**
   * Initialize with existing class.
   *
   * @param clazz JavaClass object (e.g. read from file)
   */
  public ClassGen(JavaClass clazz) {
    class_name_index = clazz.getClassNameIndex();
    superclass_name_index = clazz.getSuperclassNameIndex();
    class_name = clazz.getClassName();
    super_class_name = clazz.getSuperclassName();
    file_name = clazz.getSourceFileName();
    access_flags = clazz.getAccessFlags();
    cp = new ConstantPoolGen(clazz.getConstantPool());
    major = clazz.getMajor();
    minor = clazz.getMinor();

    Attribute[] attributes = clazz.getAttributes();
    Method[] methods = clazz.getMethods();
    Field[] fields = clazz.getFields();
    String[] interfaces = clazz.getInterfaceNames();

    for (int i = 0; i < interfaces.length; i++) addInterface(interfaces[i]);

    for (int i = 0; i < attributes.length; i++) addAttribute(attributes[i]);

    for (int i = 0; i < methods.length; i++) addMethod(methods[i]);

    for (int i = 0; i < fields.length; i++) addField(fields[i]);
  }
  private static boolean hasStaticMembers(@NotNull JavaClass javaClass) {
    for (JavaMethod method : javaClass.getMethods()) {
      if (method.isStatic() && !shouldBeInEnumClassObject(method)) {
        return true;
      }
    }

    for (JavaField field : javaClass.getFields()) {
      if (field.isStatic() && !field.isEnumEntry()) {
        return true;
      }
    }

    for (JavaClass nestedClass : javaClass.getInnerClasses()) {
      if (SingleAbstractMethodUtils.isSamInterface(nestedClass)) {
        return true;
      }
      if (nestedClass.isStatic() && hasStaticMembers(nestedClass)) {
        return true;
      }
    }

    return false;
  }