Examples of com.sun.xml.stream.buffer.MutableXMLStreamBuffer

com.sun.xml.stream.buffer.MutableXMLStreamBuffer
A mutable stream-based buffer of an XML infoset.
A MutableXMLStreamBuffer is created using specific SAX and StAX-based creators. Utility methods on MutableXMLStreamBuffer are provided for such functionality that utilize SAX and StAX-based creators.
Once instantiated the same instance of a MutableXMLStreamBuffer may be reused for creation to reduce the amount of Objects instantiated and garbage collected that are required for internally representing an XML infoset.
A MutableXMLStreamBuffer is not designed to be created and processed concurrently. If done so unspecified behaviour may occur.

     * 
     * @return The header as as XMLStreamReader
     */
    public javax.xml.stream.XMLStreamReader readHeader() throws javax.xml.stream.XMLStreamException {
        if(buffer == null){
          buffer = new MutableXMLStreamBuffer();
          XMLStreamWriter writer = buffer.createFromXMLStreamWriter();
          this.writeTo(writer);
        }
        return buffer.readAsXMLStreamReader();
    }

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    }
    
    public static Element createSAMLAssertion(XMLStreamReader reader) throws XWSSecurityException,XMLStreamException{
        XMLOutputFactory xof = XMLOutputFactory.newInstance();
        ByteArrayOutputStream baos = new ByteArrayOutputStream();        
        MutableXMLStreamBuffer buffer = new MutableXMLStreamBuffer();
        StreamWriterBufferCreator bCreator = new StreamWriterBufferCreator(buffer);
        Document doc = null;        
        try{                                
            XMLStreamWriter writer = xof.createXMLStreamWriter(baos);
            XMLStreamWriter writer_tmp = (XMLStreamWriter)bCreator;
            while(!(XMLStreamReader.END_DOCUMENT == reader.getEventType())){
                com.sun.xml.ws.security.opt.impl.util.StreamUtil.writeCurrentEvent(reader, writer_tmp);
                reader.next();
            }
            buffer.writeToXMLStreamWriter(writer);
            writer.close();
            try {
                baos.close();
            } catch (IOException ex) {
                throw new XWSSecurityException("Error occurred while trying to convert SAMLAssertion stream into DOM Element", ex);

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    private void cacheHeaders(XMLStreamReader reader, Map<String, String> namespaces
            ,JAXBFilterProcessingContext ctx) throws XMLStreamException, XWSSecurityException {


        creator = new StreamReaderBufferCreator();
        MutableXMLStreamBuffer buffer = new MutableXMLStreamBuffer();
        creator.setXMLStreamBuffer(buffer);
        // Reader is positioned at the first header block
        while (reader.getEventType() == javax.xml.stream.XMLStreamConstants.START_ELEMENT) {
            Map<String, String> headerBlockNamespaces = namespaces;

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        samlPolicy = new AuthenticationTokenPolicy.SAMLAssertionBinding();
        samlPolicy.setUUID(id);
        
        //to be picked up from pool of buffers.
        buffer = new MutableXMLStreamBuffer();
        //StreamWriterBufferCreator bCreator = new StreamWriterBufferCreator(buffer);
        try {            
            buffer.createFromXMLStreamReader(reader);
            process(buffer.readAsXMLStreamReader());                        
        } catch (XMLStreamException xe) {

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    /** Creates a new instance of DerivedKeyTokenProcessor */
    @SuppressWarnings("unchecked")
    public DerivedKeyToken(XMLStreamReader reader, JAXBFilterProcessingContext pc, HashMap nsDecls) throws XMLStreamException, XWSSecurityException {
        this.pc = pc;
        this.nsDecls = nsDecls;
        buffer = new MutableXMLStreamBuffer();
        process(reader);


    }

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                    id = reader.getAttributeValue(null, "AssertionID");
                    if (id == null) {
                        id = reader.getAttributeValue(null, "ID");
                    }
                    //version = reader.getAttributeValue(null, "Version");
                    buffer = new MutableXMLStreamBuffer();
                    StreamWriterBufferCreator bCreator = new StreamWriterBufferCreator(buffer);
                    XMLStreamWriter writer_tmp = (XMLStreamWriter) bCreator;
                    while (!(XMLStreamReader.END_DOCUMENT == reader.getEventType())) {
                        com.sun.xml.ws.security.opt.impl.util.StreamUtil.writeCurrentEvent(reader, writer_tmp);
                        reader.next();

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                logger.log(java.util.logging.Level.SEVERE,
                       LogStringsMessages.WSSMSG_0003_ERROR_PRINT(),ex);
            }
        }
        if(buffer == null){
            buffer = new MutableXMLStreamBuffer();
            buffer.createFromXMLStreamReader(reader);
            reader =  buffer.readAsXMLStreamReader();
        }
        XMLOutputFactory xof = XMLOutputFactory.newInstance();
        buffer.writeToXMLStreamWriter(xof.createXMLStreamWriter(System.out));

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        this.pc = pc;
        this.nsDecls = nsDecls;
        id = reader.getAttributeValue(MessageConstants.WSU_NS,"Id");
        namespaceURI = reader.getNamespaceURI();
        localName = reader.getLocalName();
        buffer = new MutableXMLStreamBuffer();
        buffer.createFromXMLStreamReader(reader);
        XMLStreamReader sct =  buffer.readAsXMLStreamReader();
        sct.next();
        process(sct);
    }

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    public String getAttribute(@NotNull String nsUri, @NotNull String localName) {
        return null;
    }


    public XMLStreamReader readHeader() throws XMLStreamException {
        MutableXMLStreamBuffer buf = new MutableXMLStreamBuffer();
        XMLStreamWriter w = buf.createFromXMLStreamWriter();
        writeTo(w);
        return buf.readAsXMLStreamReader();
    }

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     *
     * @return The header as as XMLStreamReader
     */
    public javax.xml.stream.XMLStreamReader readHeader() throws javax.xml.stream.XMLStreamException {
        if(buffer == null){
            buffer = new MutableXMLStreamBuffer();
            XMLStreamWriter writer = buffer.createFromXMLStreamWriter();
            super.writeTo(writer);
        }
        return buffer.readAsXMLStreamReader();
    }

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