Examples with UrlRewriteFilterScopeDescriptor org.apache.knox.gateway.filter.rewrite.api.UrlRewriteFilterScopeDescriptor used on opensource projects

Example 1 with UrlRewriteFilterScopeDescriptor

use of org.apache.knox.gateway.filter.rewrite.api.UrlRewriteFilterScopeDescriptor in project knox by apache.

the class XmlFilterReader method processStartElement.

private void processStartElement(StartElement event) throws XPathExpressionException {
    // System.out.println( "SE=" + event );
    // Create a new "empty" element and add it to the document.
    Element element = bufferElement(event);
    Level parent = stack.peek();
    parent.node.appendChild(element);
    // Note: Don't currently support nested buffer or scope descriptors.
    if (currentlyBuffering()) {
        pushLevel(parent, event, element, parent.scopeNode, parent.scopeConfig);
        bufferAttributes(event, element);
    // Else not currently buffering
    } else {
        // See if there is a matching path descriptor in the current scope.
        UrlRewriteFilterPathDescriptor descriptor = pickFirstMatchingPath(parent);
        if (descriptor != null) {
            // If this is a buffer descriptor then switch to buffering and buffer the attributes.
            if (descriptor instanceof UrlRewriteFilterBufferDescriptor) {
                pushLevel(parent, event, element, element, (UrlRewriteFilterBufferDescriptor) descriptor);
                bufferAttributes(event, element);
            // Otherwise if this is a scope descriptor then change the scope and stream the attributes.
            } else if (descriptor instanceof UrlRewriteFilterScopeDescriptor) {
                pushLevel(parent, event, element, element, (UrlRewriteFilterScopeDescriptor) descriptor);
                streamElement(event, element);
            // Else found an unexpected matching path.
            } else {
                // This is likely because there is an <apply> targeted at the text of an element.
                // That "convenience" config will be taken care of in the streamElement() processing.
                pushLevel(parent, event, element, parent.scopeNode, parent.scopeConfig);
                streamElement(event, element);
            }
        // If there is no matching path descriptor then continue streaming.
        } else {
            pushLevel(parent, event, element, parent.scopeNode, parent.scopeConfig);
            streamElement(event, element);
        }
    }
}