Examples of org.apache.axiom.om.OMDataSource

org.apache.axiom.om.OMDataSource
Interface to arbitrary source of XML element data. This provides the hook for using a general data source (such as data binding frameworks) as the backing source of data for an element.


    private OMElement getInputOMElement(final Object[] inputObjects,
                                        final Operation operation,
                                        final JavaObjectSerializer javaObjectSerializer,
                                        OMFactory omFactory) {
        OMDataSource omDataSource = new RMIDataSource() {


            public void serialize(MTOMAwareXMLStreamWriter xmlWriter) throws XMLStreamException {
                try {
                    javaObjectSerializer.serializeInputElement(inputObjects,
                            operation.getInputElement(),

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            parameter.generateSchema(configurator, processedSchemaMap);


            final JavaObjectSerializer javaObjectSerializer =
                    new JavaObjectSerializer(processedSchemaMap, configurator, processedSchemaMap);


            OMDataSource omDataSource = new RMIDataSource() {


                public void serialize(MTOMAwareXMLStreamWriter xmlWriter) throws XMLStreamException {
                    try {
                        javaObjectSerializer.serializeParameter(value, parameter, xmlWriter, new NamespacePrefix());
                    } catch (XmlSerializingException e) {

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    void next() throws XMLStreamException {
        if (nextNode()) {
            if (node instanceof OMSourcedElement) {
                OMSourcedElement element = (OMSourcedElement)node;
                if (!element.isExpanded()) {
                    OMDataSource ds = element.getDataSource();
                    if (ds != null) {
                        if (serializer.isDataSourceALeaf()) {
                            this.ds = ds;
                            currentEvent = -1;
                            // Mark the node as visited so that we continue with the next sibling
                            visited = true;
                            return;
                        }
                        if (!(OMDataSourceUtil.isPushDataSource(ds)
                            || (cache && OMDataSourceUtil.isDestructiveRead(ds)))) {
                            XMLStreamReader reader = ds.getReader();
                            while (reader.next() != START_ELEMENT) {
                                // Just loop
                            }
                            serializer.pushState(new IncludeWrapper(serializer, reader));
                            visited = true;

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     * @param key
     * @return requested OMDataSourceExt property or null
     */
    protected boolean hasOMDataSourceProperty(String key) {
        if (!this.isExpanded()) {
            OMDataSource ds = this.getDataSource();
            if (ds instanceof OMDataSourceExt) {
                return ((OMDataSourceExt)ds).hasProperty(key);
            }
        }
        return false;

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    }


    OMNode clone(OMCloneOptions options, OMContainer targetParent) {
        // If already expanded or this is not an OMDataSourceExt, then
        // create a copy of the OM Tree
        OMDataSource ds = getDataSource();
        if (!options.isCopyOMDataSources() ||
            ds == null || 
            isExpanded() || 
            !(ds instanceof OMDataSourceExt)) {
            return super.clone(options, targetParent);

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    /**
     * setOMDataSource
     */
    public OMDataSource setDataSource(OMDataSource dataSource) {
        if (!isExpanded()) {
            OMDataSource oldDS = this.dataSource;
            this.dataSource = dataSource;
            return oldDS;  // Caller is responsible for closing the data source
        } else {
            // TODO
            // Remove the entire subtree and replace with 
            // new datasource.  There maybe a more performant way to do this.
            OMDataSource oldDS = this.dataSource;
            Iterator it = getChildren();
            while(it.hasNext()) {
                it.next();
                it.remove();
            }

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        if (getEventType() != XMLStreamReader.START_ELEMENT ||
                !(state == this.NAVIGABLE || 
                  state == this.SWITCH_AT_NEXT)) {
            return null;
        }
        OMDataSource ds = null;
        if (lastNode != null &&
            lastNode instanceof OMSourcedElement) {
            try {
                ds = ((OMSourcedElement) lastNode).getDataSource();
            } catch (UnsupportedOperationException e) {

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    public OMElement getOMElement(
            final javax.xml.namespace.QName parentQName,
            final OMFactory factory) throws ADBException {




        OMDataSource dataSource = new ADBDataSource(this, parentQName);
        return factory.createOMElement(dataSource,parentQName);


    }

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    private static void copyOMSourcedElement(SOAPFactory factory, 
                                             OMContainer targetParent,
                                             OMSourcedElement sourceOMSE) {
        // If already expanded or this is not an OMDataSourceExt, then
        // create a copy of the OM Tree
        OMDataSource ds = sourceOMSE.getDataSource();
        if (ds == null || 
            sourceOMSE.isExpanded() || 
            !(ds instanceof OMDataSourceExt)) {
            copyOMElement(factory, targetParent, sourceOMSE);
            return;

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    private static void copySOAPHeaderBlock(SOAPFactory factory, 
                                            OMContainer targetParent,
                                            SOAPHeaderBlock sourceSHB) {
        // If already expanded or this is not an OMDataSourceExt, then
        // create a copy of the OM Tree
        OMDataSource ds = sourceSHB.getDataSource();
        if (ds == null || 
            sourceSHB.isExpanded() || 
            !(ds instanceof OMDataSourceExt)) {
            copySOAPHeaderBlock_NoDataSource(factory, targetParent, sourceSHB);
            return;

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org.apache.axiom.om.ds.WrappedTextNodeOMDataSourceTest

org.apache.axiom.om.impl.common.OMNavigator

org.apache.axiom.om.impl.common.serializer.pull.Navigator

org.apache.axiom.om.impl.common.SwitchingWrapper

org.apache.axiom.om.impl.llom.OMSourcedElementImpl

org.apache.axiom.om.impl.llom.OMStAXWrapperTest

org.apache.axiom.om.impl.OMNavigator

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org.apache.axiom.om.util.CopyUtils

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