Package com.google.caja.plugin

Examples of com.google.caja.plugin.UriFetcher$ChainingUriFetcher

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      }
    };
  }

  private UriFetcher proxyFetcher(final HttpRequest req, final Uri contextUri) {
    return new UriFetcher() {
      public FetchedData fetch(ExternalReference ref, String mimeType) throws UriFetchException {
        Uri resourceUri = Uri.fromJavaUri(ref.getUri());
        if (contextUri != null) {
          resourceUri = contextUri.resolve(resourceUri);
        }
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      boolean es53, boolean debug) {
    URI javaUri = uri.toJavaUri();
    InputSource is = new InputSource(javaUri);
    MessageQueue mq = new SimpleMessageQueue();
    try {
      UriFetcher fetcher = makeFetcher(uri, container);
      ExternalReference extRef = new ExternalReference(javaUri,
          FilePosition.instance(is, /*lineNo*/ 1, /*charInFile*/ 1, /*charInLine*/ 1));
      // If the fetch fails, a UriFetchException is thrown and serialized as part of the
      // message queue.
      CharProducer cp = fetcher.fetch(extRef, mime).getTextualContent();
      ParseTreeNode ptn = parse(is, cp, mime, mq);
      return rewrite(uri, container, ptn, es53, debug);
    } catch (UnsupportedEncodingException e) {
      LOG.severe("Unexpected inability to recognize mime type: " + mime);
      mq.addMessage(ServiceMessageType.UNEXPECTED_INPUT_MIME_TYPE,
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    return new CajoledResult(null, null, mq.getMessages(), /* hasErrors */ true);
  }

  public CajoledResult rewrite(Uri gadgetUri, String container,
      ParseTreeNode root, boolean es53, boolean debug) {
    UriFetcher fetcher = makeFetcher(gadgetUri, container);
    UriPolicy policy = makePolicy(gadgetUri);
    URI javaGadgetUri = gadgetUri.toJavaUri();
    MessageQueue mq = new SimpleMessageQueue();
    MessageContext context = new MessageContext();
    PluginMeta meta = new PluginMeta(fetcher, policy);
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    mc.documentChanged();
    HtmlSerialization.attach(doc, htmlSerializer, null);
  }

  UriFetcher makeFetcher(final Uri gadgetUri, final String container) {
    return new UriFetcher() {
      public FetchedData fetch(ExternalReference ref, String mimeType)
          throws UriFetchException {
        if (LOG.isLoggable(Level.INFO)) {
          LOG.logp(Level.INFO, CLASS_NAME, "makeFetcher", MessageKeys.RETRIEVE_REFERENCE,
              new Object[] {ref.toString()});
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  @Override
  protected void setUp() throws Exception {
    super.setUp();

    servlet = new ProxyServlet(
        new UriFetcher() {
          public FetchedData fetch(ExternalReference ref, String mimeType)
              throws UriFetchException {
            FetchedData data = uriContent.get(ref.getUri());
            if (data == null) {
              throw new UriFetchException(ref, mimeType);
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  /**
   * Use default UriFetcher.
   */
  public ProxyServlet() {
    this(new UriFetcher() {
        public FetchedData fetch(ExternalReference ref, String mimeType)
            throws UriFetchException {
          try {
            HttpURLConnection conn = (HttpURLConnection)
                ref.getUri().toURL().openConnection();
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  @ReflectiveCtor
  public GWTCajolingServiceImpl() {
    this(ChainingUriFetcher.make(
        new DataUriFetcher(),
        new UriFetcher() {
          public FetchedData fetch(ExternalReference ref, String mimeType)
              throws UriFetchException {
            try {
              HttpURLConnection conn = (HttpURLConnection)
                  ref.getUri().toURL().openConnection();
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      boolean es53, boolean debug) {
    URI javaUri = uri.toJavaUri();
    InputSource is = new InputSource(javaUri);
    MessageQueue mq = new SimpleMessageQueue();
    try {
      UriFetcher fetcher = makeFetcher(uri, container);
      ExternalReference extRef = new ExternalReference(javaUri,
          FilePosition.instance(is, /*lineNo*/ 1, /*charInFile*/ 1, /*charInLine*/ 1));
      // If the fetch fails, a UriFetchException is thrown and serialized as part of the
      // message queue.
      CharProducer cp = fetcher.fetch(extRef, mime).getTextualContent();
      ParseTreeNode ptn = parse(is, cp, mime, mq);
      return rewrite(uri, container, ptn, es53, debug);
    } catch (UnsupportedEncodingException e) {
      LOG.severe("Unexpected inability to recognize mime type: " + mime);
      mq.addMessage(ServiceMessageType.UNEXPECTED_INPUT_MIME_TYPE,
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    return new CajoledResult(null, null, mq.getMessages(), /* hasErrors */ true);
  }

  public CajoledResult rewrite(Uri gadgetUri, String container,
      ParseTreeNode root, boolean es53, boolean debug) {
    UriFetcher fetcher = makeFetcher(gadgetUri, container);
    UriPolicy policy = makePolicy(gadgetUri);
    URI javaGadgetUri = gadgetUri.toJavaUri();
    MessageQueue mq = new SimpleMessageQueue();
    MessageContext context = new MessageContext();
    PluginMeta meta = new PluginMeta(fetcher, policy);
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    mc.documentChanged();
    HtmlSerialization.attach(doc, htmlSerializer, null);
  }

  UriFetcher makeFetcher(final Uri gadgetUri, final String container) {
    return new UriFetcher() {
      public FetchedData fetch(ExternalReference ref, String mimeType)
          throws UriFetchException {
        if (LOG.isLoggable(Level.INFO)) {
          LOG.logp(Level.INFO, CLASS_NAME, "makeFetcher", MessageKeys.RETRIEVE_REFERENCE,
              new Object[] {ref.toString()});
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Related Classes of com.google.caja.plugin.UriFetcher$ChainingUriFetcher

  • com.google.caja.demos.playground.server.GWTCajolingServiceImpl
  • com.google.caja.plugin.stages.HtmlExtractor
  • com.google.caja.reporting.Message
  • com.google.caja.service.CajolingService
  • com.google.caja.service.ProxyServlet
  • com.google.caja.service.ServiceTestCase
  • org.apache.shindig.gadgets.render.CajaResponseRewriter
  • org.apache.shindig.gadgets.servlet.CajaContentRewriter
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