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

static class

CssResponseRewriter.UriMaker

Constructor Summary

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

Method Summary

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)
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

Constructor Detail

CssResponseRewriter

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

Method Detail

rewrite

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

Specified by:

rewrite in interface ResponseRewriter

Throws:

RewritingException

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)