Example usage for org.xml.sax.helpers AttributesImpl AttributesImpl

Introduction

In this page you can find the example usage for org.xml.sax.helpers AttributesImpl AttributesImpl.

Prototype

public AttributesImpl() 

Source Link

Document

Construct a new, empty AttributesImpl object.

Usage

From source file:org.tizzit.util.xml.SAXHelper.java

/**
 * @since tizzit-common 15.10.2009/*w ww. ja  v  a2 s  .  co  m*/
 */
public static void addElement(ContentHandler handler, String namespaceUri, String elementName,
        Integer elementValue) throws SAXException {
    String saveVal = (elementValue == null) ? "" : elementValue.toString();
    addElement(handler, namespaceUri, elementName, saveVal, new AttributesImpl());
}

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From source file:org.tizzit.util.xml.SAXHelper.java

/**
 * @since tizzit-common 15.10.2009/*from www  . java  2s .  com*/
 */
public static void addElement(ContentHandler handler, String namespaceUri, String elementName,
        Boolean elementValue) throws SAXException {
    String saveVal = (elementValue == null) ? "" : elementValue.toString();
    addElement(handler, namespaceUri, elementName, saveVal, new AttributesImpl());
}

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From source file:org.xchain.example.namespaces.xhtml.OptionCommand.java

public boolean execute(JXPathContext context) throws Exception {
    String value = getValue(context);
    String currentValue = (String) ((ScopedQNameVariables) context.getVariables())
            .getVariable(SelectCommand.SELECTED_VARIABLE_NAME, Scope.execution);

    // get the xhtml prefix and make sure that there is a mapping for it.
    String xhtmlPrefix = context.getPrefix(XHTML_NAMESPACE);
    if (xhtmlPrefix == null) {
        throw new IllegalStateException("There is no mapping defined for " + XHTML_NAMESPACE);
    }/*  w  w w  .  j  a  v  a  2s  . co m*/

    AttributesImpl attributes = new AttributesImpl();
    if (value != null) {
        attributes.addAttribute("", VALUE_LOCAL_NAME, VALUE_LOCAL_NAME, "CDATA", value);
    }
    if (value != null && value.equals(currentValue)) {
        attributes.addAttribute("", SELECTED_LOCAL_NAME, SELECTED_LOCAL_NAME, "CDATA", SELECTED_VALUE);
    }

    ContentHandler handler = getContentHandler();
    handler.startElement(XHTML_NAMESPACE, OPTION_LOCAL_NAME, qNameString(xhtmlPrefix, OPTION_LOCAL_NAME),
            attributes);

    boolean result = false;
    Exception exception = null;

    try {
        result = super.execute(context);
    } catch (Exception e) {
        exception = e;
    }
    if (exception == null || !(exception instanceof SAXException)) {
        handler.endElement(XHTML_NAMESPACE, OPTION_LOCAL_NAME, qNameString(xhtmlPrefix, OPTION_LOCAL_NAME));
    }

    if (exception != null) {
        throw exception;
    }
    return result;
}

---

From source file:org.xchain.example.namespaces.xhtml.SelectCommand.java

public boolean execute(JXPathContext context) throws Exception {
    // get the request and the name from the context.
    HttpServletRequest request = getRequest(context);
    String name = getName(context);

    // get the original value of the name.
    String currentValue = request.getParameter(name);

    // get the xhtml prefix and make sure that there is a mapping for it.
    String xhtmlPrefix = context.getPrefix(XHTML_NAMESPACE);
    if (xhtmlPrefix == null) {
        throw new IllegalStateException("There is no mapping defined for " + XHTML_NAMESPACE);
    }/*from   w  w  w  .  j ava2 s. c  o m*/

    // create the attributes for the element we are going to output.
    AttributesImpl attributes = new AttributesImpl();
    if (hasId()) {
        attributes.addAttribute("", ID_LOCAL_NAME, ID_LOCAL_NAME, "CDATA", getId(context));
    }
    attributes.addAttribute("", NAME_LOCAL_NAME, NAME_LOCAL_NAME, "CDATA", getName(context));

    ((ScopedQNameVariables) context.getVariables()).declareVariable(SELECTED_VARIABLE_NAME, currentValue,
            Scope.execution);
    ContentHandler handler = getContentHandler();
    handler.startElement(XHTML_NAMESPACE, SELECT_LOCAL_NAME, qNameString(xhtmlPrefix, SELECT_LOCAL_NAME),
            attributes);

    boolean result = false;
    Exception exception = null;

    // execute the children and catch any exceptions.
    try {
        result = super.execute(context);
    } catch (Exception e) {
        exception = e;
    }

    // if there was not an exception, or the exception is not a sax exception, then we need to finish the output.
    if (exception == null || !(exception instanceof SAXException)) {
        handler.endElement(XHTML_NAMESPACE, SELECT_LOCAL_NAME, qNameString(xhtmlPrefix, SELECT_LOCAL_NAME));
    }

    // rethrow the exception.
    if (exception != null) {
        throw exception;
    }
    return result;
}

---

From source file:org.xchain.framework.jsl.SaxTemplateHandler.java

/**
 * Handles start element events for all JSL elements.
 *///from www. ja  v  a  2  s  .c o m
protected void startJslElement(String uri, String localName, String qName, Attributes attributes)
        throws SAXException {
    // scan for jsl elements that come out of order.
    if (TEMPLATE_LOCAL_NAME.equals(localName)) {
        templateElementDepth++;
    } else if (templateElementDepth == 0) {
        throw new SAXException("The element {" + uri + "}" + localName + "was found outside of a {"
                + JSL_NAMESPACE + "}template element.");
    }

    boolean startSource = elementInfoStack.size() == 1
            || elementInfoStack.get(1).getElementType() == ElementType.COMMAND_ELEMENT_TYPE;
    // if the parent element is null or a command element, then we need to start a new template source.
    if (startSource) {
        sourceBuilder.startSource(elementInfoStack.getFirst().getSourcePrefixMapping(),
                elementInfoStack.getFirst().getSourceExcludeResultPrefixSet(),
                TEMPLATE_LOCAL_NAME.equals(localName));
    }

    if (TEMPLATE_LOCAL_NAME.equals(localName)) {
        startJslTemplateElement(uri, localName, qName, attributes);
    } else if (VALUE_OF_LOCAL_NAME.equals(localName)) {
        startJslValueOfElement(uri, localName, qName, attributes);
    } else if (TEXT_LOCAL_NAME.equals(localName)) {
        startJslTextElement(uri, localName, qName, attributes);
    } else if (COMMENT_LOCAL_NAME.equals(localName)) {
        startJslCommentElement(uri, localName, qName, attributes);
    } else if (ELEMENT_LOCAL_NAME.equals(localName)) {
        startJslDynamicElement(uri, localName, qName, attributes);
    } else if (ATTRIBUTE_LOCAL_NAME.equals(localName)) {
        startJslDynamicAttribute(uri, localName, qName, attributes);
    } else {
        throw new SAXException("Unknown template element '{" + uri + "}" + localName + "'.");
    }

    if (startSource) {
        // send start prefix mapping events to the digester.
        for (Map.Entry<String, String> mapping : elementInfoStack.getFirst().getHandlerPrefixMapping()
                .entrySet()) {
            getContentHandler().startPrefixMapping(mapping.getKey(), mapping.getValue());
        }

        // create a new attributes object with any attributes that are in an xchain namespace.
        AttributesImpl digesterAttributes = new AttributesImpl();
        for (int i = 0; i < attributes.getLength(); i++) {
            if (commandNamespaceSet.contains(attributes.getURI(i))) {
                digesterAttributes.addAttribute(attributes.getURI(i), attributes.getLocalName(i),
                        attributes.getQName(i), attributes.getType(i), attributes.getValue(i));
            }
        }

        // send the start template element to the digester.
        getContentHandler().startElement(JSL_NAMESPACE, TEMPORARY_CHAIN_LOCAL_NAME, temporaryChainQName(),
                digesterAttributes);
    }
}

---

From source file:org.xchain.framework.jsl.SaxTemplateHandler.java

/**
 * Handles start element events for template elements.
 *//*  w w w  . j  a v  a2 s.  c o  m*/
protected void startTemplateElement(String uri, String localName, String qName, Attributes attributes)
        throws SAXException {
    if (templateElementDepth == 0) {
        throw new SAXException(
                "The element {" + uri + "}" + localName + " was found outside of a template element.");
    }

    // push characters target.
    charactersTargetStack.addFirst(CharacterTarget.SOURCE_BUILDER);

    // push ignorable whitespace target.
    ignorableWhitespaceTargetStack.addFirst(CharacterTarget.SOURCE_BUILDER);

    boolean startSource = elementInfoStack.size() == 1
            || elementInfoStack.get(1).getElementType() == ElementType.COMMAND_ELEMENT_TYPE;
    // if the parent element is null or a command element, then we need to start a new template source.
    if (startSource) {
        sourceBuilder.startSource(elementInfoStack.getFirst().getSourcePrefixMapping(),
                elementInfoStack.getFirst().getSourceExcludeResultPrefixSet(), false);
    }

    try {
        // get the element info for the head of the stack.
        ElementInfo elementInfo = elementInfoStack.getFirst();

        // let the source builder know that we are starting a start element.
        sourceBuilder.startStartElement();

        // send the prefix mappings to the source builder.
        for (Map.Entry<String, String> prefixMapping : elementInfo.getPrefixMapping().entrySet()) {
            sourceBuilder.appendStartPrefixMapping(prefixMapping.getKey(), prefixMapping.getValue());
        }

        // send any exclude result prefix events that need to go out.
        for (String excludeResultPrefix : elementInfo.getExcludeResultPrefixSet()) {
            sourceBuilder.appendStartExcludeResultPrefix(excludeResultPrefix);
        }

        // send the attributes to the source builder.
        for (int i = 0; i < attributes.getLength(); i++) {
            sourceBuilder.appendAttributeValueTemplate(attributes.getURI(i), attributes.getLocalName(i),
                    attributes.getQName(i), attributes.getValue(i));
        }

        // append the start element.
        sourceBuilder.appendStartElement(uri, localName, qName);

        // let the source builder know that we are ending a start element.
        sourceBuilder.endStartElement();
    } catch (SAXException e) {
        throw e;
    } catch (Exception e) {
        throw new SAXException(e);
    }

    // we need to do this just before we stop templating, so this kind of code should be in start command, or end jsl template and end template when there was not
    // a nested command.  We need to delay this, since the passed through template must provide the namespaces state from all of the consumed elements.
    if (startSource) {
        // send start prefix mapping events to the digester.
        for (Map.Entry<String, String> mapping : elementInfoStack.getFirst().getHandlerPrefixMapping()
                .entrySet()) {
            getContentHandler().startPrefixMapping(mapping.getKey(), mapping.getValue());
        }

        // create a new attributes object with any attributes that are in an xchain namespace.
        AttributesImpl digesterAttributes = new AttributesImpl();
        for (int i = 0; i < attributes.getLength(); i++) {
            if (commandNamespaceSet.contains(attributes.getURI(i))) {
                digesterAttributes.addAttribute(attributes.getURI(i), attributes.getLocalName(i),
                        attributes.getQName(i), attributes.getType(i), attributes.getValue(i));
            }
        }

        // send the start template element to the digester.
        getContentHandler().startElement(JSL_NAMESPACE, TEMPORARY_CHAIN_LOCAL_NAME, temporaryChainQName(),
                digesterAttributes);
    }
}

---

From source file:org.xchain.framework.jsl.SaxTemplateHandler.java

/**
 * Handles characters found in the source document.
 *//*  w  ww. j a  va 2 s . c  o  m*/
public void flushCharacters() throws SAXException {
    if (!charactersTargetStack.isEmpty()) {
        // switch on the characters target.
        switch (charactersTargetStack.getFirst()) {
        case NONE:
            break;
        case SOURCE_BUILDER:
            if (!whitespacePattern.matcher(charactersBuilder).matches()) {
                // if we are in an xchain command, then we need to start a new source.
                boolean startSource = elementInfoStack.size() == 0
                        || elementInfoStack.get(0).getElementType() == ElementType.COMMAND_ELEMENT_TYPE;

                if (startSource) {
                    // don't send any mappings for the element.
                    sourceBuilder.startSource(new HashMap<String, String>(), new HashSet<String>(), false);
                    getContentHandler().startElement(JSL_NAMESPACE, TEMPORARY_CHAIN_LOCAL_NAME,
                            temporaryChainQName(), new AttributesImpl());
                }

                sourceBuilder.appendCharacters(charactersBuilder.toString());

                if (startSource) {
                    handleSource(sourceBuilder.endSource());
                }
            }
            break;
        case DIGESTER:
            char[] characters = charactersBuilder.toString().toCharArray();
            getContentHandler().characters(characters, 0, characters.length);
            break;
        }
        charactersBuilder = new StringBuilder();
    }
}

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From source file:org.xchain.namespaces.test.FilterElement.java

public boolean execute(JXPathContext context) throws Exception {
    boolean result = false;

    QName name = getName(context);
    String executeChars = getExecuteChars(context);

    ContentHandler handler = getContentHandler();

    if (name != null) {
        handler.startElement(name.getNamespaceURI(), name.getLocalPart(), name.getPrefix(),
                new AttributesImpl());
    }/*ww  w . j  a  va2 s . c  om*/
    if (executeChars != null) {
        char[] characters = executeChars.toCharArray();
        handler.characters(characters, 0, characters.length);
    }

    result = super.execute(context);

    return result;
}

---

From source file:org.xwiki.portlet.view.HTMLIdAttributeXMLFilter.java

@Override
public void startDocument() throws SAXException {
    super.startDocument();

    if (wrapOutput) {
        // Start the portlet output container.
        AttributesImpl attributes = new AttributesImpl();
        attributes.addAttribute(null, ID, ID, ID.toUpperCase(), namespace);
        super.startElement(null, DIV, DIV, attributes);
    }//from ww w  . j  ava  2  s.  c o m
}

---

From source file:org.xwiki.portlet.view.HTMLMetaDataXMLFilter.java

/**
 * Outputs an {@code <input type="hidden">} HTML element that holds the given meta data.
 * /*from ww w .  ja  v  a2  s  .co  m*/
 * @param key the meta data key
 * @param value the meta data value
 * @param withId {@code true} to output the 'id' attribute, {@code false} otherwise
 * @param withName {@code true} to output the 'name' attribute, {@code false} otherwise
 * @throws SAXException if writing the meta data fails
 */
private void outputMetaData(String key, String value, boolean withId, boolean withName) throws SAXException {
    AttributesImpl attributes = new AttributesImpl();
    if (withId) {
        attributes.addAttribute(null, ID, ID, "ID", key);
    }
    if (withName) {
        attributes.addAttribute(null, NAME, NAME, CDATA, key);
    }
    attributes.addAttribute(null, TYPE, TYPE, CDATA, "hidden");
    attributes.addAttribute(null, VALUE, VALUE, CDATA, StringUtils.defaultString(value));
    super.startElement(null, INPUT, INPUT, attributes);
    super.endElement(null, INPUT, INPUT);
}

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