Java XML Node Parent resolveLeafNodeValue(Node node)

Description

resolve Leaf Node Value

License

Open Source License

Declaration

private static void resolveLeafNodeValue(Node node) 

Method Source Code

//package com.java2s;
/*/*from  w  w  w  .java  2s.  c o  m*/
 * Copyright (c) 2016, WSO2 Inc. (http://wso2.com) All Rights Reserved.
 *
 * Licensed 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.
 */

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

import java.io.File;

public class Main {
    private static void resolveLeafNodeValue(Node node) {
        if (node != null) {
            Element element = (Element) node;
            NodeList childNodeList = element.getChildNodes();
            for (int j = 0; j < childNodeList.getLength(); j++) {
                Node chileNode = childNodeList.item(j);
                if (!chileNode.hasChildNodes()) {
                    String nodeValue = resolveSystemProperty(chileNode.getTextContent());
                    childNodeList.item(j).setTextContent(nodeValue);
                } else {
                    resolveLeafNodeValue(chileNode);
                }
            }
        }
    }

    private static String resolveSystemProperty(String text) {
        int indexOfStartingChars = -1;
        int indexOfClosingBrace;

        // The following condition deals with properties.
        // Properties are specified as ${system.property},
        // and are assumed to be System properties
        while (indexOfStartingChars < text.indexOf("${") && (indexOfStartingChars = text.indexOf("${")) != -1
                && (indexOfClosingBrace = text.indexOf('}')) != -1) { // Is a
            // property
            // used?
            String sysProp = text.substring(indexOfStartingChars + 2, indexOfClosingBrace);
            String propValue = System.getProperty(sysProp);
            if (propValue != null) {
                text = text.substring(0, indexOfStartingChars) + propValue
                        + text.substring(indexOfClosingBrace + 1);
            }
            if (sysProp.equals("carbon.home") && propValue != null && propValue.equals(".")) {

                text = new File(".").getAbsolutePath() + File.separator + text;

            }
        }
        return text;
    }
}

Related

1. isAnyNodeAncestorOf(ArrayList ancestorNodes, Node node)
2. isDescendant(Node test, Node target)
3. isDescendantOrSelf(Node ctx, Node descendantOrSelf)
4. isDescendantOrSelf(Node ctx, Node descendantOrSelf)
5. previousSiblingElement(Node node)