Package org.grails.web.encoder

Examples of org.grails.web.encoder.OutputEncodingStack

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        }
        ((GroovyPageAttributes)attrs).setGspTagSyntaxCall(false);
        Closure actualBody = createOutputCapturingClosure(tagLib, body, webRequest);

        final GroovyPageTagWriter tagOutput = new GroovyPageTagWriter();
        OutputEncodingStack outputStack = null;
        try {
            outputStack = OutputEncodingStack.currentStack(webRequest, false);
            if (outputStack == null) {
                outputStack = OutputEncodingStack.currentStack(webRequest, true, tagOutput, true, true);
            }
            Map<String, Object> defaultEncodeAs = gspTagLibraryLookup.getEncodeAsForTag(namespace, tagName);
            Map<String, Object> codecSettings = createCodecSettings(namespace, tagName, attrs, defaultEncodeAs);

            OutputEncodingStackAttributes.Builder builder = WithCodecHelper.createOutputStackAttributesBuilder(codecSettings, webRequest.getAttributes().getGrailsApplication());
            builder.topWriter(tagOutput);
            outputStack.push(builder.build());

            Object tagLibProp = tagLib.getProperty(tagName); // retrieve tag lib and create wrapper writer
            if (tagLibProp instanceof Closure) {
                Closure tag = (Closure) ((Closure) tagLibProp).clone();
                Object bodyResult;

                switch (tag.getParameterTypes().length) {
                    case 1:
                        bodyResult = tag.call(new Object[]{attrs});
                        if (actualBody != null && actualBody != EMPTY_BODY_CLOSURE) {
                            Object bodyResult2 = actualBody.call();
                            if (bodyResult2 != null) {
                                if (actualBody instanceof ConstantClosure) {
                                    outputStack.getStaticWriter().print(bodyResult2);
                                } else {
                                    outputStack.getTaglibWriter().print(bodyResult2);
                                }
                            }
                        }

                        break;
                    case 2:
                        bodyResult = tag.call(new Object[]{attrs, actualBody});
                        break;
                    default:
                        throw new GrailsTagException("Tag [" + tagName +
                                "] does not specify expected number of params in tag library [" +
                                tagLib.getClass().getName() + "]");

                }

                Encoder taglibEncoder = outputStack.getTaglibEncoder();

                boolean returnsObject = gspTagLibraryLookup.doesTagReturnObject(namespace, tagName);

                if (returnsObject && bodyResult != null && !(bodyResult instanceof Writer)) {
                    if (taglibEncoder != null) {
                        bodyResult=taglibEncoder.encode(bodyResult);
                    }
                    return bodyResult;
                }

                // add some method to always return string, configurable?
                if (taglibEncoder != null) {
                    return taglibEncoder.encode(tagOutput.getBuffer());
                } else {
                    return tagOutput.getBuffer();
                }
            }

            throw new GrailsTagException("Tag [" + tagName + "] does not exist in tag library [" +
                    tagLib.getClass().getName() + "]");
        } finally {
            if (outputStack != null) outputStack.pop();
        }
    }
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        FastStringWriter target = new FastStringWriter();

        GrailsWebRequest webRequest = bindMockHttpRequest();

        // Initialize out and codecOut as it is done in GroovyPage.initRun
        OutputEncodingStack outputStack = OutputEncodingStack.currentStack(true, target, false, true);
        GrailsPrintWriter out = outputStack.getOutWriter();
        webRequest.setOut(out);
        GrailsPrintWriter codecOut = new CodecPrintWriter(out, getEncoder(new MockGrailsApplication(), CodecWithClosureProperties.class), registry);

        // print some output
        codecOut.print("hola");
        codecOut.flush();
        out.print("1");
        out.print("2");
        out.print("3");

        // similar as taglib call
        FastStringWriter bufferWriter=new FastStringWriter();
        GrailsPrintWriter out2=new GrailsPrintWriter(bufferWriter);
        outputStack.push(out2);
        out.print("4");
        codecOut.print("A");
        codecOut.flush();
        outputStack.pop();

        // add output before appending "taglib output"
        out.print("added");
        codecOut.print("too");
        codecOut.flush();
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Related Classes of org.grails.web.encoder.OutputEncodingStack

  • org.grails.buffer.CodecPrintWriter
  • org.grails.buffer.GrailsLazyProxyPrintWriter.DestinationFactory
  • org.grails.encoder.StreamingEncoderWriter
  • org.grails.web.servlet.mvc.GrailsWebRequest
  • org.grails.web.taglib.TagOutput
  • org.grails.web.util.CodecPrintWriterTest
  • java.io.Writer
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