org.apache.tapestry5.internal.webresources

Class GoogleClosureMinimizer

java.lang.Object

org.apache.tapestry5.internal.webresources.AbstractMinimizer

org.apache.tapestry5.internal.webresources.GoogleClosureMinimizer

All Implemented Interfaces:

ResourceMinimizer

public class GoogleClosureMinimizer
extends AbstractMinimizer

A wrapper around the Google Closure Compiler used to minimize a JavaScript resource.

Field Summary

Fields inherited from class org.apache.tapestry5.internal.webresources.AbstractMinimizer

logger, tracker

Constructor Summary

Constructors

Constructor and Description
GoogleClosureMinimizer(org.slf4j.Logger logger, OperationTracker tracker, AssetChecksumGenerator checksumGenerator, Request request, com.google.javascript.jscomp.CompilationLevel compilationLevel)

Method Summary

Modifier and Type	Method and Description
protected java.io.InputStream	doMinimize(StreamableResource resource) Implemented in subclasses to do the actual work.
protected boolean	isEnabled(StreamableResource resource) Determines if the resource can be minimized.

Methods inherited from class org.apache.tapestry5.internal.webresources.AbstractMinimizer

minimize

Methods inherited from class java.lang.Object

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

Constructor Detail

GoogleClosureMinimizer

public GoogleClosureMinimizer(org.slf4j.Logger logger,
                              OperationTracker tracker,
                              AssetChecksumGenerator checksumGenerator,
                              Request request,
                              @Symbol(value="tapestry.closure-compiler-level")
                              com.google.javascript.jscomp.CompilationLevel compilationLevel)

Method Detail

isEnabled

protected boolean isEnabled(StreamableResource resource)

Description copied from class: AbstractMinimizer

Determines if the resource can be minimized.

Overrides:

isEnabled in class AbstractMinimizer

Returns:

true, subclasses may override

doMinimize

protected java.io.InputStream doMinimize(StreamableResource resource)
                                  throws java.io.IOException

Description copied from class: AbstractMinimizer

Implemented in subclasses to do the actual work.

Specified by:

doMinimize in class AbstractMinimizer

Parameters:

resource - content to minimize

Returns:

stream of minimized content

Throws:

java.io.IOException