Java XML Node Find findAllUrisRecursive(Node node, List nodes)

Description

find All Uris Recursive

License

Apache License

Declaration

private static void findAllUrisRecursive(Node node, List<Node> nodes) 

Method Source Code

//package com.java2s;
/**//  w ww .j a v a 2  s. c om
 *  Copyright 2005-2015 Red Hat, Inc.
 *
 *  Red Hat 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.
 */

import java.util.List;

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

public class Main {
    private static void findAllUrisRecursive(Node node, List<Node> nodes) {
        // okay its a route so grab all uri attributes we can find
        String url = getSafeAttribute(node, "uri");
        if (url != null) {
            nodes.add(node);
        }

        NodeList children = node.getChildNodes();
        if (children != null) {
            for (int i = 0; i < children.getLength(); i++) {
                Node child = children.item(i);
                if (child.getNodeType() == Node.ELEMENT_NODE) {
                    findAllUrisRecursive(child, nodes);
                }
            }
        }
    }

    public static String getSafeAttribute(Node node, String key) {
        if (node != null) {
            Node attr = node.getAttributes().getNamedItem(key);
            if (attr != null) {
                return attr.getNodeValue();
            }
        }
        return null;
    }
}

Related

1. findAllDescendantElements(Node e, String qname, Collection vector)
2. findAllNodes(Node node, String[] nodeNames, ArrayList results)
3. findAllNodesRecursive(Node n, String name)
4. findAllProcessingIstructions(Node node, String name, List result)
5. findElement(Node node, String tagName)
6. findElement(Node startNode, String name, String namespace)
7. findElementById(Node head, String id)
8. findElementById(Node node, String id)