fr.umlv.corosol.classfile.constant.impl
Class DefaultJConstantString

java.lang.Object
  fr.umlv.corosol.classfile.constant.impl.AbstractJConstant
      fr.umlv.corosol.classfile.constant.impl.DefaultJConstantString

All Implemented Interfaces:

JConstant, JConstantString, JLoadableConstant, JClassFileItem, JObject

public class DefaultJConstantString
extends AbstractJConstant
implements JConstantString

The default implementation of JConstantString interface.

Author:

Christophe Deleray

Field Summary

Fields inherited from interface fr.umlv.corosol.classfile.constant.JConstant

CONSTANT_CLASS, CONSTANT_DOUBLE, CONSTANT_FIELDREF, CONSTANT_FLOAT, CONSTANT_INTEGER, CONSTANT_INTERFACE_METHODREF, CONSTANT_LONG, CONSTANT_METHODREF, CONSTANT_NAME_AND_TYPE, CONSTANT_STRING, CONSTANT_UTF8

Constructor Summary

DefaultJConstantString()
Default constructor.

Method Summary

java.lang.String	getString() Returns the String object represented by this constant pool entry.
int	getStringIndex() Returns the index of a CONSTANT_Utf8_info entry representing the sequence of characters which will be initialized a String object.
void	pushConstantValue(JStackFrame frame) Pushes the value onto the top of the operand stack of the specified stack frame.
void	readItem(JClassFileInput in) Extracts the data of this constant pool entry from the specified input stream.
void	setStringIndex(int stringIndex) Sets the index of the CONSTANT_Utf8_info entry representing the sequence of characters which will initialize a String object.
java.lang.String	toString() Returns a string representation of this constant pool entry.
void	writeItem(JClassFileOutput out) Writes the data of this constant pool entry to a classfile via the specified output stream.

Methods inherited from class fr.umlv.corosol.classfile.constant.impl.AbstractJConstant

getConstantPool, getLength, getTag, setConstantPool

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface fr.umlv.corosol.classfile.constant.JConstant

getLength, getTag

Methods inherited from interface fr.umlv.corosol.classfile.JClassFileItem

getConstantPool, setConstantPool

Constructor Detail

DefaultJConstantString

public DefaultJConstantString()

Default constructor.

Method Detail

getString

public java.lang.String getString()

Returns the String object represented by this constant pool entry.

Specified by:

getString in interface JConstantString

Returns:

the string represented by this entry

getStringIndex

public int getStringIndex()

Returns the index of a CONSTANT_Utf8_info entry representing the sequence of characters which will be initialized a String object.

Specified by:

getStringIndex in interface JConstantString

setStringIndex

public void setStringIndex(int stringIndex)

Sets the index of the CONSTANT_Utf8_info entry representing the sequence of characters which will initialize a String object.

Specified by:

setStringIndex in interface JConstantString

Parameters:

stringIndex - the index of the entry containing the characters of a *String

readItem

public void readItem(JClassFileInput in)
              throws java.io.IOException

Extracts the data of this constant pool entry from the specified input stream.

Specified by:

readItem in interface JClassFileItem

Parameters:

in - a class file input stream

Throws:

java.io.IOException - if an I/O error occurs when reading the datas of this constant pool entry

writeItem

public void writeItem(JClassFileOutput out)
               throws java.io.IOException

Writes the data of this constant pool entry to a classfile via the specified output stream.

Specified by:

writeItem in interface JClassFileItem

Parameters:

out - a class file output stream

Throws:

java.io.IOException - if an I/O error occurs when writing into the classfile

pushConstantValue

public void pushConstantValue(JStackFrame frame)

Pushes the value onto the top of the operand stack of the specified stack frame.

Specified by:

pushConstantValue in interface JLoadableConstant

Parameters:

frame - a stack frame

toString

public java.lang.String toString()

Returns a string representation of this constant pool entry.

Specified by:

toString in interface JConstant

Specified by:

toString in class AbstractJConstant

Returns:

a string representing this constant pool entry