com.google.gwt.core.ext.linker.impl

Class PermutationsUtil

java.lang.Object

com.google.gwt.core.ext.linker.impl.PermutationsUtil

public class PermutationsUtil
extends Object

A utility class to help linkers generate a list of permutation mappings and and then either output them to javascript code which selects the correct permutation, or to a file which can be parsed by server-side code.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	PermutationsUtil.PermutationId This represents the combination of a unique content hash (i.e.

Field Summary

Fields

Modifier and Type	Field and Description
protected SortedMap<PermutationsUtil.PermutationId,List<Map<String,String>>>	propMapsByPermutation This maps each unique permutation to the property settings for that compilation.

Constructor Summary

Constructors

Constructor and Description
PermutationsUtil()

Method Summary

Methods

Modifier and Type	Method and Description
StringBuffer	addPermutationsJs(StringBuffer selectionScript, TreeLogger logger, LinkerContext context) Uses the internal map to insert JS to select a permutation into the selection script.
SortedMap<PermutationsUtil.PermutationId,List<Map<String,String>>>	getPermutationsMap()
void	setupPermutationsMap(ArtifactSet artifacts) Find all instances of SelectionInformation and add them to the internal map of selection information.

Methods inherited from class java.lang.Object

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

Field Detail

propMapsByPermutation

protected SortedMap<PermutationsUtil.PermutationId,List<Map<String,String>>> propMapsByPermutation

This maps each unique permutation to the property settings for that compilation. A single compilation can have multiple property settings if the compiles for those settings yielded the exact same compiled output.

Constructor Detail

PermutationsUtil

public PermutationsUtil()

Method Detail

addPermutationsJs

public StringBuffer addPermutationsJs(StringBuffer selectionScript,
                             TreeLogger logger,
                             LinkerContext context)
                               throws UnableToCompleteException

Uses the internal map to insert JS to select a permutation into the selection script.

Parameters:

selectionScript -

logger -

context -

Returns:

the modified selectionScript buffer

Throws:

UnableToCompleteException

getPermutationsMap

public SortedMap<PermutationsUtil.PermutationId,List<Map<String,String>>> getPermutationsMap()

setupPermutationsMap

public void setupPermutationsMap(ArtifactSet artifacts)

Find all instances of SelectionInformation and add them to the internal map of selection information.