Apache CXF example source code file (XNode.java)

This example Apache CXF source code file (XNode.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Apache CXF tags/keywords

dom, element, hashmap, map, node, qname, stack, stack, string, string, stringbuilder, stringbuilder, util, xnode, xnode

The Apache CXF XNode.java source code

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.cxf.tools.validator.internal.model;

import java.util.HashMap;
import java.util.Map;
import java.util.Stack;
import javax.xml.namespace.QName;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;

import org.apache.cxf.common.util.StringUtils;

public class XNode {

    private String prefix;
    private QName name;
    private String attributeName;
    private String attributeValue;
    private boolean isDefaultAttributeValue;
    private XNode parentNode;

    private XNode failurePoint;

    private Map<String, String> nsMap = new HashMap();

    public void setFailurePoint(XNode point) {
        this.failurePoint = point;
    }

    public XNode getFailurePoint() {
        return this.failurePoint;
    }

    public String getPrefix() {
        return prefix;
    }

    public void setPrefix(final String newPrefix) {
        this.prefix = newPrefix;
    }

    public QName getQName() {
        return name;
    }

    public void setQName(final QName newName) {
        this.name = newName;
    }

    public String getAttributeName() {
        return attributeName;
    }

    public void setAttributeName(final String newAttributeName) {
        this.attributeName = newAttributeName;
    }

    public String getAttributeValue() {
        return attributeValue;
    }

    public void setAttributeValue(final String newAttributeValue) {
        this.attributeValue = newAttributeValue;
    }
    
    public void setDefaultAttributeValue(boolean b) {
        this.isDefaultAttributeValue = b;
    }
    public boolean isDefaultAttributeValue() {
        return this.isDefaultAttributeValue;
    }
    
    public XNode getParentNode() {
        return parentNode;
    }

    public void setParentNode(final XNode newParentNode) {
        this.parentNode = newParentNode;
    }

    public Map<String, String> getNSMap() {
        return nsMap;
    }

    public String getText() {
        StringBuilder sb = new StringBuilder();
        sb.append("[");
        sb.append(name.getLocalPart());
        sb.append(":");
        sb.append(getAttributeValue());
        sb.append("]");
        return sb.toString();
    }

    public String getPlainText() {
        StringBuilder sb = new StringBuilder();
        Stack<XNode> parentNodes = getParentNodes();
        while (!parentNodes.empty()) {
            sb.append(parentNodes.pop().getText());
        }
        sb.append(getText());
        nsMap.put(prefix, name.getNamespaceURI());
        return sb.toString();
    }

    public String getXPath() {
        StringBuilder sb = new StringBuilder();
        sb.append("/");
        sb.append(prefix);
        sb.append(":");
        sb.append(name.getLocalPart());
        if (!StringUtils.isEmpty(attributeName) && !StringUtils.isEmpty(attributeValue)) {
            sb.append("[");
            if (isDefaultAttributeValue) {
                sb.append("not(@");
                sb.append(attributeName);
                sb.append(") or ");
            }
            sb.append("@");
            sb.append(attributeName);
            sb.append("='");
            sb.append(attributeValue);
            sb.append("'");
            sb.append("]");
        }
        return sb.toString();
    }

    private Stack<XNode> getParentNodes() {
        Stack<XNode> parentNodes = new Stack();

        XNode pNode = getParentNode();
        while (pNode != null) {
            nsMap.put(pNode.getPrefix(),
                      pNode.getQName().getNamespaceURI());
            parentNodes.push(pNode);
            pNode = pNode.getParentNode();
        }
        return parentNodes;
    }

    public String toString() {
        Stack<XNode> parentNodes = getParentNodes();
        StringBuilder sb = new StringBuilder();
        while (!parentNodes.empty()) {
            sb.append(parentNodes.pop().getXPath());
        }
        sb.append(getXPath());
        nsMap.put(prefix, name.getNamespaceURI());
        return sb.toString();
    }

    
    private boolean matches(Element el) { 
        if (el.getLocalName().equals(name.getLocalPart())
            && el.getNamespaceURI().equals(name.getNamespaceURI())) {
            if (!StringUtils.isEmpty(attributeName) && !StringUtils.isEmpty(attributeValue)) {
                String v = el.getAttribute(attributeName);
                if (attributeValue.equals(v) || (StringUtils.isEmpty(v) && isDefaultAttributeValue)) {
                    return true;
                }
            } else {
                return true;
            }
        }
        return false;
    }
    private boolean matches(Element el, Stack<XNode> stack) {
        if (matches(el)) {
            if (stack.isEmpty()) {
                return true;
            }
            XNode next = stack.pop();
            Node nd = el.getFirstChild();
            while (nd != null) {
                if (nd instanceof Element) {
                    el = (Element)nd;
                    if (next.matches(el, stack)) {
                        return true;
                    }
                }
                nd = nd.getNextSibling();
            }
            stack.push(next);
        }
        return false;
    }
    
    public boolean matches(Document doc) {
        Stack<XNode> nodes = new Stack();
        nodes.push(this);
        XNode pNode = getParentNode();
        while (pNode != null) {
            nodes.push(pNode);
            pNode = pNode.getParentNode();
        }
        pNode = nodes.pop();
        return pNode.matches(doc.getDocumentElement(), nodes);
        
    }
}