edu.isi.pegasus.planner.catalog.site.classes

Class AbstractXMLPrintVisitor

java.lang.Object

edu.isi.pegasus.planner.catalog.site.classes.AbstractXMLPrintVisitor

All Implemented Interfaces:

SiteDataVisitor

Direct Known Subclasses:

XML3PrintVisitor, XML4PrintVisitor

public abstract class AbstractXMLPrintVisitor
extends java.lang.Object
implements SiteDataVisitor

The base class to be used by the various visitor implementors for displaying the Site Catalog in different XML formats

Version:

$Revision$

Author:

Karan Vahi

Field Summary

Fields

Modifier and Type	Field and Description
protected int	mCurrentIndentIndex The number of tabs to use for current indent
protected java.lang.String	mNewLine The new line character to be used
protected java.io.Writer	mWriter The internal writer

Constructor Summary

Constructors

Constructor and Description
AbstractXMLPrintVisitor()

Method Summary

Modifier and Type	Method and Description
void	closeElement(java.lang.String element) Generates a closing tag for an element
void	decrementIndentIndex() Decrements the indent index
void	depart(SiteData data)
java.lang.String	getCurrentIndent() Returns the current indent to be used while writing out
java.lang.String	getNextIndent() Returns the indent to be used for the nested element.
void	incrementIndentIndex() Increments the indent index
void	initialize(java.io.Writer writer) Initialize the visitor implementation
void	visit(SiteData data)
void	writeAttribute(java.lang.String key, java.lang.String value) Writes an attribute to the stream.
void	writeAttribute(java.io.Writer writer, java.lang.String key, java.lang.String value) Writes an attribute to the stream.

Methods inherited from class java.lang.Object

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

Methods inherited from interface edu.isi.pegasus.planner.catalog.site.classes.SiteDataVisitor

depart, depart, depart, depart, depart, depart, depart, visit, visit, visit, visit, visit, visit, visit

Field Detail

mWriter

protected java.io.Writer mWriter

The internal writer

mNewLine

protected java.lang.String mNewLine

The new line character to be used

mCurrentIndentIndex

protected int mCurrentIndentIndex

The number of tabs to use for current indent

Constructor Detail

AbstractXMLPrintVisitor

public AbstractXMLPrintVisitor()

Method Detail

initialize

public void initialize(java.io.Writer writer)

Initialize the visitor implementation

Specified by:

initialize in interface SiteDataVisitor

Parameters:

writer - the writer

writeAttribute

public void writeAttribute(java.lang.String key,
                           java.lang.String value)
                    throws java.io.IOException

Writes an attribute to the stream. Wraps the value in quotes as required by XML.

Parameters:

key - the attribute key

value - the attribute value

Throws:

java.io.IOException

writeAttribute

public void writeAttribute(java.io.Writer writer,
                           java.lang.String key,
                           java.lang.String value)
                    throws java.io.IOException

Writes an attribute to the stream. Wraps the value in quotes as required by XML.

Parameters:

writer - the stream to write to

key - the attribute key

value - the attribute value

Throws:

java.io.IOException

getCurrentIndent

public java.lang.String getCurrentIndent()

Returns the current indent to be used while writing out

Returns:

the current indent

getNextIndent

public java.lang.String getNextIndent()

Returns the indent to be used for the nested element.

Returns:

the new indent

incrementIndentIndex

public void incrementIndentIndex()

Increments the indent index

decrementIndentIndex

public void decrementIndentIndex()

Decrements the indent index

closeElement

public void closeElement(java.lang.String element)
                  throws java.io.IOException

Generates a closing tag for an element

Parameters:

element - the element tag name

Throws:

java.io.IOException

visit

public void visit(SiteData data)
           throws java.io.IOException

Specified by:

visit in interface SiteDataVisitor

Throws:

java.io.IOException

depart

public void depart(SiteData data)
            throws java.io.IOException

Specified by:

depart in interface SiteDataVisitor

Throws:

java.io.IOException