org.apache.shindig.gadgets.rewrite

Class CssResponseRewriter

java.lang.Object

org.apache.shindig.gadgets.rewrite.CssResponseRewriter

All Implemented Interfaces:

ResponseRewriter

public class CssResponseRewriter
extends Object
implements ResponseRewriter

Rewrite links to referenced content in a stylesheet

Since:

2.0.0

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CssResponseRewriter.UriMaker

Field Summary

Fields

Modifier and Type	Field and Description
protected ProxyUriManager	proxyUriManager
protected ContentRewriterFeature.Factory	rewriterFeatureFactory

Constructor Summary

Constructors

Constructor and Description
CssResponseRewriter(CajaCssParser cssParser, ProxyUriManager proxyUriManager, ContentRewriterFeature.Factory rewriterFeatureFactory)

Method Summary

Methods

Modifier and Type	Method and Description
static List<String>	rewrite(com.google.caja.parser.css.CssTree.StyleSheet styleSheet, Uri source, CssResponseRewriter.UriMaker uriMaker, boolean extractImports, GadgetContext gadgetContext) Rewrite the CSS DOM in place.
List<String>	rewrite(Element styleNode, Uri source, CssResponseRewriter.UriMaker uriMaker, boolean extractImports, GadgetContext gadgetContext) Rewrite the CSS content in a style DOM node.
void	rewrite(HttpRequest request, HttpResponseBuilder original, Gadget gadget) Rewrites the response.
List<String>	rewrite(Reader content, Uri source, CssResponseRewriter.UriMaker uriMaker, Writer writer, boolean extractImports, GadgetContext gadgetContext) Rewrite the given CSS content and optionally extract the import references.
static CssResponseRewriter.UriMaker	uriMaker(ProxyUriManager wrapped, ContentRewriterFeature.Config config)

Methods inherited from class java.lang.Object

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

Field Detail

proxyUriManager

protected final ProxyUriManager proxyUriManager

rewriterFeatureFactory

protected final ContentRewriterFeature.Factory rewriterFeatureFactory

Constructor Detail

CssResponseRewriter

@Inject
public CssResponseRewriter(CajaCssParser cssParser,
                          ProxyUriManager proxyUriManager,
                          ContentRewriterFeature.Factory rewriterFeatureFactory)

Method Detail

rewrite

public void rewrite(HttpRequest request,
           HttpResponseBuilder original,
           Gadget gadget)
             throws RewritingException

Description copied from interface: ResponseRewriter

Rewrites the response.

Specified by:

rewrite in interface ResponseRewriter

Parameters:

request - The request that was made.

original - The response generated as a result of the request.

gadget - The gadget that made the request. This parameter may be null.

Throws:

RewritingException - Thrown if something went wrong when rewriting the response.

rewrite

public List<String> rewrite(Reader content,
                   Uri source,
                   CssResponseRewriter.UriMaker uriMaker,
                   Writer writer,
                   boolean extractImports,
                   GadgetContext gadgetContext)
                     throws RewritingException

Rewrite the given CSS content and optionally extract the import references.

Parameters:

content - CSS content

source - Uri of content

uriMaker - a Uri Maker

writer - Output

extractImports - If true remove the import statements from the output and return their referenced URIs.

gadgetContext - The gadgetContext

Returns:

Empty list of extracted import URIs.

Throws:

RewritingException

rewrite

public List<String> rewrite(Element styleNode,
                   Uri source,
                   CssResponseRewriter.UriMaker uriMaker,
                   boolean extractImports,
                   GadgetContext gadgetContext)
                     throws RewritingException

Rewrite the CSS content in a style DOM node.

Parameters:

styleNode - Rewrite the CSS content of this node

source - Uri of content

uriMaker - a UriMaker

extractImports - If true remove the import statements from the output and return their referenced URIs.

gadgetContext - The gadgetContext

Returns:

Empty list of extracted import URIs.

Throws:

RewritingException

rewrite

public static List<String> rewrite(com.google.caja.parser.css.CssTree.StyleSheet styleSheet,
                   Uri source,
                   CssResponseRewriter.UriMaker uriMaker,
                   boolean extractImports,
                   GadgetContext gadgetContext)

Rewrite the CSS DOM in place.

Parameters:

styleSheet - To rewrite

source - Uri of content

uriMaker - a UriMaker

extractImports - If true remove the import statements from the output and return their referenced URIs.

Returns:

Empty list of extracted import URIs.

uriMaker

public static CssResponseRewriter.UriMaker uriMaker(ProxyUriManager wrapped,
                                    ContentRewriterFeature.Config config)