org.griphyn.vdl.invocation
Class ArgEntry

java.lang.Object
  org.griphyn.vdl.Chimera
      org.griphyn.vdl.invocation.Invocation
          org.griphyn.vdl.invocation.ArgEntry

All Implemented Interfaces:

Serializable, HasText

public class ArgEntry
extends Invocation
implements HasText

This class carries an argument vector entry for the argument vector. This calls is expected to be transient to the parsing process only.

Version:

$Revision: 50 $

Author:

Jens-S. V??ckler, Yong Zhao

See Also:

Serialized Form

Field Summary

private int	m_position argument vector position
private StringBuffer	m_value argument vector value

Constructor Summary

ArgEntry()
Default c'tor: Construct a hollow shell and allow further information to be added later.

ArgEntry(int position)
C'tor: Prepares a given key for accepting a value later on.

ArgEntry(int position, String value)
C'tor: Fully initializes the class

Method Summary

void	appendValue(String fragment) Appends a piece of text to the existing text.
int	getPosition() Accessor
String	getValue() Accessor
void	setPosition(int position) Accessor.
void	setValue(String value) Accessor.
void	toString(Writer stream) Converts the active state into something meant for human consumption.
void	toXML(Writer stream, String indent, String namespace) Dumps the state of the current element as XML output.

Methods inherited from class org.griphyn.vdl.Chimera

escape, quote, toString, toXML, toXML, writeAttribute

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

m_position

private int m_position

argument vector position

m_value

private StringBuffer m_value

argument vector value

Constructor Detail

ArgEntry

public ArgEntry()

Default c'tor: Construct a hollow shell and allow further information to be added later.

ArgEntry

public ArgEntry(int position)

C'tor: Prepares a given key for accepting a value later on.

Parameters:

position - is the location to use.

ArgEntry

public ArgEntry(int position,
                String value)

C'tor: Fully initializes the class

Parameters:

position - is the location to use.

value - is the value to remember

Method Detail

appendValue

public void appendValue(String fragment)

Appends a piece of text to the existing text.

Specified by:

appendValue in interface HasText

Parameters:

fragment - is a piece of text to append to existing text. Appending null is a noop.

getPosition

public int getPosition()

Accessor

Returns:

the position of this entry in the argument vector.

See Also:

setPosition(int)

setPosition

public void setPosition(int position)

Accessor.

Parameters:

position -

See Also:

getPosition()

getValue

public String getValue()

Accessor

Specified by:

getValue in interface HasText

See Also:

setValue(String)

setValue

public void setValue(String value)

Accessor.

Specified by:

setValue in interface HasText

Parameters:

value - is the new value to set.

See Also:

getValue()

toString

public void toString(Writer stream)
              throws IOException

Converts the active state into something meant for human consumption. The method will be called when recursively traversing the instance tree.

Specified by:

toString in class Chimera

Parameters:

stream - is a stream opened and ready for writing. This can also be a string stream for efficient output.

Throws:

IOException - if something fishy happens to the stream.

toXML

public void toXML(Writer stream,
                  String indent,
                  String namespace)
           throws IOException

Dumps the state of the current element as XML output. However, for the given instance, this class is ludicrious.

Specified by:

toXML in class Chimera

Parameters:

stream - is a stream opened and ready for writing. This can also be a string stream for efficient output.

indent - is a String of spaces used for pretty printing. The initial amount of spaces should be an empty string. The parameter is used internally for the recursive traversal.

namespace - is the XML schema namespace prefix. If neither empty nor null, each element will be prefixed with this prefix, and the root element will map the XML namespace.

Throws:

IOException - if something fishy happens to the stream.

See Also:

BufferedWriter