net.xoetrope.optional.laf.synth
Class SynthPreprocessor

java.lang.Object
  net.xoetrope.optional.laf.synth.SynthPreprocessor

All Implemented Interfaces:

FilePreprocessor

public class SynthPreprocessor
extends java.lang.Object
implements FilePreprocessor

Process a synth file to replace colors etc... with the styles

Copyright (c) Xoetrope Ltd., 2001-2005
License: see license.txt $Revision: 1.13 $

Constructor Summary

SynthPreprocessor()
Creates a new instance of SynthPreprocessor

Method Summary

protected java.lang.String	convertSvg(java.lang.String name, int width, int height, java.lang.String ext, boolean isPng) Converts an SVG file to a PNG or a TIFF file
protected java.lang.String	findAndReplace(java.util.Hashtable methodNames, java.lang.String originalText) Search and replace a function references embedded in the synth file
protected java.lang.String	getColorStyleAttribute(java.lang.String key, int attrib, boolean asColorResource) Replace the tagged field
protected java.lang.String	getIndexedStyleAttribute(java.lang.String key, int attrib, java.lang.String[] values) Replace the tagged field
static SynthPreprocessor	getInstance() Get an instance of this preprocessor
protected java.lang.String	getPngForSvg(java.lang.String key) Replace the tagged field and create a PNG file in place of the original SVG.
protected java.lang.String	getStyleAttribute(java.lang.String key, int attrib) Replace the tagged field
protected java.lang.String	getTiffForSvg(java.lang.String key) Replace the tagged field and create a TIFF file in place of the original SVG.
java.lang.String	process(java.io.BufferedInputStream is) Read the file from the input stream, do any substitutions required and return the processed file as a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

SynthPreprocessor

public SynthPreprocessor()

Creates a new instance of SynthPreprocessor

Method Detail

getInstance

public static SynthPreprocessor getInstance()

Get an instance of this preprocessor

Returns:

the preprocessor instance

process

public java.lang.String process(java.io.BufferedInputStream is)
                         throws java.io.IOException

Read the file from the input stream, do any substitutions required and return the processed file as a string.

Specified by:

process in interface FilePreprocessor

Parameters:

is - the input stream

Returns:

the processed file

Throws:

java.io.IOException - problems reading the input stream

findAndReplace

protected java.lang.String findAndReplace(java.util.Hashtable methodNames,
                                          java.lang.String originalText)

Search and replace a function references embedded in the synth file

Parameters:

methodNames - the table of methods to find and replace

originalText - the original config file text

Returns:

the processed text

getStyleAttribute

protected java.lang.String getStyleAttribute(java.lang.String key,
                                             int attrib)

Replace the tagged field

Parameters:

key - the style name

attrib - the attribute to lookup in the style

Returns:

the style value

getColorStyleAttribute

protected java.lang.String getColorStyleAttribute(java.lang.String key,
                                                  int attrib,
                                                  boolean asColorResource)

Replace the tagged field

Parameters:

key - the argument value to replace

attrib - the attribute to lookup in the style

asColorResource - output the colour as a ColorUIResource

Returns:

the color style value

getIndexedStyleAttribute

protected java.lang.String getIndexedStyleAttribute(java.lang.String key,
                                                    int attrib,
                                                    java.lang.String[] values)

Replace the tagged field

Parameters:

key - the style name

attrib - the attribute to lookup in the style

values - the values array into which the attribute indexes

Returns:

the style value

getPngForSvg

protected java.lang.String getPngForSvg(java.lang.String key)

Replace the tagged field and create a PNG file in place of the original SVG. The key can optionally include the width and height.

Parameters:

key - the style name

Returns:

the png file name

getTiffForSvg

protected java.lang.String getTiffForSvg(java.lang.String key)

Replace the tagged field and create a TIFF file in place of the original SVG. The key can optionally include the width and height.

Parameters:

key - the style name

Returns:

the png file name

convertSvg

protected java.lang.String convertSvg(java.lang.String name,
                                      int width,
                                      int height,
                                      java.lang.String ext,
                                      boolean isPng)

Converts an SVG file to a PNG or a TIFF file

Parameters:

name - the file name

width - the target image width

height - the targetimage height

ext - the converted file extension

isPng - true for a png file, false for a tiff file

Returns:

the png file name