Package cz.vutbr.fit.layout.json.impl

Class JSONBoxTreeBuilder

java.lang.Object

cz.vutbr.fit.layout.impl.BaseBoxTreeBuilder

cz.vutbr.fit.layout.json.impl.JSONBoxTreeBuilder

public abstract class JSONBoxTreeBuilder
extends BaseBoxTreeBuilder

A generic box tree builder for JSON-based renderers.

Author:

burgetr

Field Summary

Fields

Modifier and Type	Field	Description
static String	DEFAULT_FONT_FAMILY
static float	DEFAULT_FONT_SIZE

Fields inherited from class cz.vutbr.fit.layout.impl.BaseBoxTreeBuilder

pageTitle, pageUrl, preserveAux, useVisualBounds

Constructor Summary

Constructors

Constructor	Description
JSONBoxTreeBuilder(boolean useVisualBounds, boolean preserveAux)

Method Summary

Modifier and Type	Method	Description
Page	getPage()
protected abstract InputFile	invokeRenderer(URL url)	Invokes the renderer and parses its ouptut.
protected InputFile	loadJSON(InputStream istream, String charsetName)	Parses an input stream and creates an input file representation
protected InputFile	loadJSON(String path)	Parses a local file produced by the backend.
void	parse(String urlstring)
void	parse(URL url)
protected void	parseInputFile(InputFile input, URL url)
void	parseJSON(String path)

Methods inherited from class cz.vutbr.fit.layout.impl.BaseBoxTreeBuilder

buildTree, computeBackgrounds, computeVisualBounds, contentEncloses, getMinimalVisualBounds, markChildNodes, markNodesInside, recomputeBounds, recomputeVisualBounds, recomputeVisualBounds, takeChildren, visuallyEncloses

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_FONT_FAMILY

public static final String DEFAULT_FONT_FAMILY

See Also:

Constant Field Values

DEFAULT_FONT_SIZE

public static final float DEFAULT_FONT_SIZE

See Also:

Constant Field Values

Constructor Detail

JSONBoxTreeBuilder

public JSONBoxTreeBuilder(boolean useVisualBounds,
                          boolean preserveAux)

Method Detail

parse

public void parse(String urlstring)
           throws MalformedURLException,
                  IOException,
                  InterruptedException

Throws:

MalformedURLException

IOException

InterruptedException

parse

public void parse(URL url)
           throws IOException,
                  InterruptedException

Throws:

IOException

InterruptedException

parseJSON

public void parseJSON(String path)
               throws IOException

Throws:

IOException

parseInputFile

protected void parseInputFile(InputFile input,
                              URL url)
                       throws IOException

Throws:

IOException

getPage

public Page getPage()

Specified by:

getPage in class BaseBoxTreeBuilder

invokeRenderer

protected abstract InputFile invokeRenderer(URL url)
                                     throws IOException,
                                            InterruptedException

Invokes the renderer and parses its ouptut.

Parameters:

url -

Returns:

the parsed output of the backend, or null for an unexpected EOF

Throws:

IOException

InterruptedException

loadJSON

protected InputFile loadJSON(String path)
                      throws IOException

Parses a local file produced by the backend.

Parameters:

path - the path to the file to parse

Returns:

the parsed file

Throws:

IOException

loadJSON

protected InputFile loadJSON(InputStream istream,
                             String charsetName)
                      throws IOException

Parses an input stream and creates an input file representation

Parameters:

istream - the input stream to parse

charsetName - charset used in the input stream

Returns:

the parsed file

Throws:

IOException