Examples of org.milyn.delivery.sax.SAXElement

org.milyn.delivery.sax.SAXElement
Element details as described by the SAX even model API.
{@link org.milyn.delivery.sax.SAXVisitor} implementations will be passedan instance of this class for each of the event methods of {@link org.milyn.delivery.sax.SAXVisitor} implementations.
Element Writing/Serialization
Each SAXElement instance has a {@link Writer writer} set on it.{@link org.milyn.delivery.sax.SAXVisitor} implementations can take care ofserializing the elements at which they are targeted themselves. Alternatively, they can use the {@link org.milyn.delivery.sax.SAXElementWriterUtil} class.
{@link org.milyn.delivery.sax.SAXVisitor} implementations can also control the serializationof their "child elements" by {@link #setWriter(java.io.Writer,SAXVisitor) setting the writer}on the SAXElement instance they receive. This works because Smooks passes the writer instance that's set on a SAXElement instance to all of the SAXElement instances created for child elements.
Only one {@link SAXVisitor} can have access to the {@link java.io.Writer writer}for any individual {@link SAXElement}. The first visitor to request access to the writer via the {@link SAXElement#getWriter(SAXVisitor)} method "owns" the writerfor that element. Any other visitors requesting access to get or change the writer will result in a {@link SAXWriterAccessException} being thrown. In this situation,you need to restructure the offending Smooks configuration and eliminate one of the visitors attempting to gain access to the writer. If developing a new Visitor, you should annotate the new Visitor class with the {@link StreamResultWriter @StreamResultWriter}annotation. @author tom.fennelly@gmail.com


    public void test_3_2() throws SAXPathException {
        SelectorStep[] steps = SelectorStepBuilder.buildSteps("y[@d = 23 and text() = 35]", namespaces);
        assertEquals("y((@d = 23.0) and (text() = 35.0))", SelectorStepBuilder.toString(steps));


        SAXElement y = new SAXElement(null, "y");
        y.setAttribute("d", "2");
        assertFalse(steps[0].getPredicatesEvaluator().evaluate(y, null));


        y = new SAXElement(null, "y");
        y.setAttribute("d", "23");
        y.addText("dd");
        assertFalse(steps[0].getPredicatesEvaluator().evaluate(y, null));


        y = new SAXElement(null, "y");
        y.setAttribute("d", "23");
        y.addText("35");
        assertTrue(steps[0].getPredicatesEvaluator().evaluate(y, null));
    }

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    public void test_3_3() throws SAXPathException {
        SelectorStep[] steps = SelectorStepBuilder.buildSteps("y[@a:d = 23]", namespaces);
        assertEquals("y(@{http://a}d = 23.0)", SelectorStepBuilder.toString(steps));


        SAXElement y = new SAXElement(null, "y");
        y.setAttribute("d", "23");
        assertFalse(steps[0].getPredicatesEvaluator().evaluate(y, null));


        y = new SAXElement(null, "y");
        y.setAttributeNS("http://a", "d", "23");
        assertTrue(steps[0].getPredicatesEvaluator().evaluate(y, null));
    }

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    public void test_3_4() throws SAXPathException {
        SelectorStep[] steps = SelectorStepBuilder.buildSteps("y[@a:d < 23]", namespaces);
        assertEquals("y(@{http://a}d < 23.0)", SelectorStepBuilder.toString(steps));


        SAXElement y = new SAXElement(null, "y");
        y.setAttribute("d", "23");
        assertFalse(steps[0].getPredicatesEvaluator().evaluate(y, null));


        y = new SAXElement(null, "y");
        y.setAttributeNS("http://a", "d", "22");
        assertTrue(steps[0].getPredicatesEvaluator().evaluate(y, null));


        y = new SAXElement(null, "y");
        y.setAttributeNS("http://a", "d", "23");
        assertFalse(steps[0].getPredicatesEvaluator().evaluate(y, null));
    }

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    public void test_3_5() throws SAXPathException {
        SelectorStep[] steps = SelectorStepBuilder.buildSteps("y[@a:d > 23]", namespaces);
        assertEquals("y(@{http://a}d > 23.0)", SelectorStepBuilder.toString(steps));


        SAXElement y = new SAXElement(null, "y");
        y.setAttribute("d", "23");
        assertFalse(steps[0].getPredicatesEvaluator().evaluate(y, null));


        y = new SAXElement(null, "y");
        y.setAttributeNS("http://a", "d", "24");
        assertTrue(steps[0].getPredicatesEvaluator().evaluate(y, null));


        y = new SAXElement(null, "y");
        y.setAttributeNS("http://a", "d", "23");
        assertFalse(steps[0].getPredicatesEvaluator().evaluate(y, null));
    }

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        return this;
    }


    @Override
    protected void writeStart(SAXElement element) throws IOException {
        SAXElement reconstructedElement = reconstructElement(element);
        super.writeStart(reconstructedElement);
        element.setCache(this, reconstructedElement.getCache(this));
    }

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        element.setCache(this, reconstructedElement.getCache(this));
    }


    @Override
    protected void writeEnd(SAXElement element) throws IOException {
        SAXElement reconstructedElement = reconstructElement(element);
        reconstructedElement.setCache(this, element.getCache(this));
        super.writeEnd(reconstructedElement);
    }

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            String newElementNamespacePrefix = (elementNamespacePrefix != null? elementNamespacePrefix : qName.getPrefix());


            qName = new QName(newElementNamespace, newElementName, newElementNamespacePrefix);
        }


        SAXElement newElement = new SAXElement(qName, element.getAttributes(), element.getParent());
        newElement.setWriter(element.getWriter(this), this);


        if(!attributes.isEmpty()) {
            Map<String, Object> beans = Filter.getCurrentExecutionContext().getBeanContext().getBeanMap();
            Set<Map.Entry<QName, FreeMarkerTemplate>> attributeSet = attributes.entrySet();


            for(Map.Entry<QName, FreeMarkerTemplate> attributeConfig : attributeSet) {
                QName attribName = attributeConfig.getKey();
                FreeMarkerTemplate valueTemplate = attributeConfig.getValue();
                String namespaceURI = attribName.getNamespaceURI();


                if(namespaceURI != null) {
                    String prefix = attribName.getPrefix();
                    if(prefix != null && prefix.length() > 0) {
                        newElement.setAttributeNS(namespaceURI, prefix + ":" + attribName.getLocalPart(), valueTemplate.apply(beans));
                    } else {
                        newElement.setAttributeNS(namespaceURI, attribName.getLocalPart(), valueTemplate.apply(beans));
                    }
                } else {
                    newElement.setAttribute(attribName.getLocalPart(), valueTemplate.apply(beans));
                }
            }
        }


        return newElement;

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                    return true;
                }
                parent = parent.getParentNode();
            }
        } else if(fragment.isSAXElement() && isSAXElement()) {
            SAXElement parent = fragment.saxFragment.getParent();
            while(parent != null) {
                if(parent == saxFragment) {
                    return true;
                }
                parent = parent.getParent();
            }
        }


        return false;
    }

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Examples of org.milyn.delivery.sax.SAXElement

Element Writing/Serialization

Related Classes of org.milyn.delivery.sax.SAXElement