Java XML Child Element Text getChildElementTextArr(Element parent, String name)

Description

Returns an array of text values of a child element.

License

Apache License

Parameter

Parameter	Description
parent	parent element
name	name of the child element

Return

text value

Declaration

public static String[] getChildElementTextArr(Element parent, String name) 

Method Source Code

//package com.java2s;
/*//from  ww w.  ja  va2 s  .c  o  m
 * 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.
 *
 * $Header:$
 */

import java.util.List;
import java.util.ArrayList;
import org.w3c.dom.Node;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;

public class Main {
    /**
     * <p>Returns an array of text values of a child element. Returns
     * <code>null</code> if there is no child element found.</p>
     *
     * @param parent parent element
     * @param name name of the child element
     * @return text value
     */
    public static String[] getChildElementTextArr(Element parent, String name) {
        // Get all the elements
        List children = getChildElementsByName(parent, name);

        String str[] = new String[children.size()];

        for (int i = 0; i < children.size(); i++) {
            Node child = (Node) children.get(i);

            StringBuffer buf = new StringBuffer();

            NodeList nodes = child.getChildNodes();
            for (int j = 0; j < nodes.getLength(); j++) {
                Node node = nodes.item(j);
                if (node.getNodeType() == Node.TEXT_NODE || node.getNodeType() == Node.CDATA_SECTION_NODE) {
                    Text text = (Text) node;
                    buf.append(text.getData().trim());
                }
            }

            str[i] = buf.toString();
        }

        return str;
    }

    /**
     * <p>Returns a list of child elements with the given
     * name. Returns an empty list if there are no such child
     * elements.</p>
     *
     * @param parent parent element
     * @param name name of the child element
     * @return child elements
     */
    public static List getChildElementsByName(Element parent, String name) {
        List elements = new ArrayList();

        NodeList children = parent.getChildNodes();

        for (int i = 0; i < children.getLength(); i++) {
            Node node = children.item(i);
            if (node.getNodeType() == Node.ELEMENT_NODE) {
                Element element = (Element) node;
                if (element.getTagName().equals(name)) {
                    elements.add(element);
                }
            }
        }

        return elements;
    }
}

Related

1. getChildElementText(Element elm, String name, String defaultValue)
2. getChildElementText(Element parentElement, String tagName)
3. getChildElementText(final Element elParent, final String childTag)
4. getChildElementText(final Element parent, final String childName, final String defaultText)
5. getChildElementText(Node node, String childName)
6. getChildElementTextValue(Node parent, String name)
7. getChildElementValue(Element p_rootElement, String p_elementName)
8. getChildElementValue(Element parent, String name)
9. getChildElementValue(Element parentElm, String elementName, String defaultValue)