public void doTag()

in jelly-tags/xml/src/main/java/org/apache/commons/jelly/tags/xml/ElementTag.java [90:172]
65 lines of code
5 McCabe index (conditional complexity)

    public void doTag(XMLOutput output) throws JellyTagException {
        int idx = name.indexOf(':');
        final String localName = (idx >= 0)
            ? name.substring(idx + 1)
            : name;

        outputAttributes = false;

        XMLOutput newOutput = new XMLOutput(output) {

            // add an initialize hook to the core content-generating methods

            @Override
            public void startElement(
                String uri,
                String localName,
                String qName,
                Attributes atts)
                throws SAXException {
                initialize();
                super.startElement(uri, localName, qName, atts);
            }

            @Override
            public void endElement(String uri, String localName, String qName)
                throws SAXException {
                initialize();
                super.endElement(uri, localName, qName);
            }

            @Override
            public void characters(char[] ch, int start, int length) throws SAXException {
                initialize();
                super.characters(ch, start, length);
            }

            @Override
            public void ignorableWhitespace(char[] ch, int start, int length)
                throws SAXException {
                initialize();
                super.ignorableWhitespace(ch, start, length);
            }

            @Override
            public void objectData(Object object)
                throws SAXException {
                initialize();
                super.objectData(object);
            }

            @Override
            public void processingInstruction(String target, String data)
                throws SAXException {
                initialize();
                super.processingInstruction(target, data);
            }

            /**
             * Ensure that the outer start element is generated
             * before any content is output.
             */
            protected void initialize() throws SAXException {
                if (!outputAttributes) {
                    super.startElement(namespace, localName, name, attributes);
                    outputAttributes = true;
                }
            }
        };

        invokeBody(newOutput);

        try {
            if (!outputAttributes) {
                output.startElement(namespace, localName, name, attributes);
                outputAttributes = true;
            }

            output.endElement(namespace, localName, name);
            attributes.clear();
        } catch (SAXException e) {
            throw new JellyTagException(e);
        }
    }