Java Code Examples for org.apache.bcel.Constants#CONSTANT_Long

The following examples show how to use org.apache.bcel.Constants#CONSTANT_Long . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: ApkToolPlus   File: ConstantValue.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * @return String representation of constant value.
 */ 
public final String toString() {
  Constant c = constant_pool.getConstant(constantvalue_index);
	
  String   buf;
  int    i;

  // Print constant to string depending on its type
  switch(c.getTag()) {
  case Constants.CONSTANT_Long:    buf = "" + ((ConstantLong)c).getBytes();    break;
  case Constants.CONSTANT_Float:   buf = "" + ((ConstantFloat)c).getBytes();   break;
  case Constants.CONSTANT_Double:  buf = "" + ((ConstantDouble)c).getBytes();  break;
  case Constants.CONSTANT_Integer: buf = "" + ((ConstantInteger)c).getBytes(); break;
  case Constants.CONSTANT_String:  
    i   = ((ConstantString)c).getStringIndex();
    c   = constant_pool.getConstant(i, Constants.CONSTANT_Utf8);
    buf = "\"" + Utility.convertString(((ConstantUtf8)c).getBytes()) + "\"";
    break;

  default:
    throw new IllegalStateException("Type of ConstValue invalid: " + c);
  }

  return buf;
}
 
Example 2
Source Project: ApkToolPlus   File: ConstantPool.java    License: Apache License 2.0 6 votes vote down vote up
/**
  * Read constants from given file stream.
  *
  * @param file Input stream
  * @throws IOException
  * @throws ClassFormatException
  */
 ConstantPool(DataInputStream file) throws IOException, ClassFormatException
 {
   byte tag;

   constant_pool_count = file.readUnsignedShort();
   constant_pool       = new Constant[constant_pool_count];

   /* constant_pool[0] is unused by the compiler and may be used freely
    * by the implementation.
    */
   for(int i=1; i < constant_pool_count; i++) {
     constant_pool[i] = Constant.readConstant(file);
  
     /* Quote from the JVM specification:
      * "All eight byte constants take up two spots in the constant pool.
      * If this is the n'th byte in the constant pool, then the next item
      * will be numbered n+2"
      * 
      * Thus we have to increment the index counter.
      */
     tag = constant_pool[i].getTag();
     if((tag == Constants.CONSTANT_Double) || (tag == Constants.CONSTANT_Long))
i++;
   }
 }
 
Example 3
Source Project: ApkToolPlus   File: Constant.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Read one constant from the given file, the type depends on a tag byte.
 *
 * @param file Input stream
 * @return Constant object
 */
static final Constant readConstant(DataInputStream file)
  throws IOException, ClassFormatException
{
  byte b = file.readByte(); // Read tag byte

  switch(b) {
  case Constants.CONSTANT_Class:              return new ConstantClass(file);
  case Constants.CONSTANT_Fieldref:           return new ConstantFieldref(file);
  case Constants.CONSTANT_Methodref:          return new ConstantMethodref(file);
  case Constants.CONSTANT_InterfaceMethodref: return new 
			ConstantInterfaceMethodref(file);
  case Constants.CONSTANT_String:             return new ConstantString(file);
  case Constants.CONSTANT_Integer:            return new ConstantInteger(file);
  case Constants.CONSTANT_Float:              return new ConstantFloat(file);
  case Constants.CONSTANT_Long:               return new ConstantLong(file);
  case Constants.CONSTANT_Double:             return new ConstantDouble(file);
  case Constants.CONSTANT_NameAndType:        return new ConstantNameAndType(file);
  case Constants.CONSTANT_Utf8:               return new ConstantUtf8(file);
  default:                          
    throw new ClassFormatException("Invalid byte tag in constant pool: " + b);
  }
}
 
Example 4
Source Project: ApkToolPlus   File: ConstantLong.java    License: Apache License 2.0 4 votes vote down vote up
/** 
 * @param bytes Data
 */
public ConstantLong(long bytes)
{
  super(Constants.CONSTANT_Long);
  this.bytes = bytes;
}
 
Example 5
Source Project: ApkToolPlus   File: ConstantPool.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * Resolve constant to a string representation.
 *
 * @param  constant Constant to be printed
 * @return String representation
 */
public String constantToString(Constant c)
     throws ClassFormatException  
{
  String   str;
  int      i;
  byte     tag = c.getTag();

  switch(tag) {
  case Constants.CONSTANT_Class: 
    i   = ((ConstantClass)c).getNameIndex();
    c   = getConstant(i, Constants.CONSTANT_Utf8);
    str = Utility.compactClassName(((ConstantUtf8)c).getBytes(), false);
    break;

  case Constants.CONSTANT_String:
    i   = ((ConstantString)c).getStringIndex();
    c   = getConstant(i, Constants.CONSTANT_Utf8);
    str = "\"" + escape(((ConstantUtf8)c).getBytes()) + "\"";
    break;

  case Constants.CONSTANT_Utf8:    str = ((ConstantUtf8)c).getBytes();         break;
  case Constants.CONSTANT_Double:  str = "" + ((ConstantDouble)c).getBytes();  break;
  case Constants.CONSTANT_Float:   str = "" + ((ConstantFloat)c).getBytes();   break;
  case Constants.CONSTANT_Long:    str = "" + ((ConstantLong)c).getBytes();    break;
  case Constants.CONSTANT_Integer: str = "" + ((ConstantInteger)c).getBytes(); break;

  case Constants.CONSTANT_NameAndType:
    str = (constantToString(((ConstantNameAndType)c).getNameIndex(),
	      Constants.CONSTANT_Utf8) + " " +
    constantToString(((ConstantNameAndType)c).getSignatureIndex(),
	      Constants.CONSTANT_Utf8));
    break;

  case Constants.CONSTANT_InterfaceMethodref: case Constants.CONSTANT_Methodref:
  case Constants.CONSTANT_Fieldref:
    str = (constantToString(((ConstantCP)c).getClassIndex(),
	      Constants.CONSTANT_Class) + "." + 
    constantToString(((ConstantCP)c).getNameAndTypeIndex(),
	      Constants.CONSTANT_NameAndType));	     
    break;

  default: // Never reached
    throw new RuntimeException("Unknown constant type " + tag);
  }
	
  return str;
}
 
Example 6
Source Project: ApkToolPlus   File: Pass2Verifier.java    License: Apache License 2.0 4 votes vote down vote up
public void visitConstantLong(ConstantLong obj){
	if (obj.getTag() != Constants.CONSTANT_Long){
		throw new ClassConstraintException("Wrong constant tag in '"+tostring(obj)+"'.");
	}
	//no indices to check
}