Java XML Element Root getElementText(String elemName, Element root, boolean trim)

Description

get Element Text

License

Apache License

Declaration

public static String getElementText(String elemName, Element root,
            boolean trim) 

Method Source Code

//package com.java2s;
/*/*  w  ww.j a v  a2s . com*/
 * 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.
 */

import org.w3c.dom.*;

public class Main {
    public static String getElementText(String elemName, Element root,
            boolean trim) {
        Element elem = getFirstElement(elemName, root);
        if (elem != null) {
            return getSimpleElementText(elem, trim);
        } else {
            return null;
        }
    }

    public static String getElementText(String elemName, Element root) {
        return getElementText(elemName, root, false);
    }

    public static Element getFirstElement(String name, Element root) {
        NodeList list = root.getElementsByTagName(name);
        if (list.getLength() > 0) {
            return (Element) list.item(0);
        } else {
            return null;
        }
    }

    public static String getSimpleElementText(Element node, boolean trim) {
        if (node.getChildNodes().item(0) instanceof Text) {
            String elemTxt;
            if (trim) {
                elemTxt = node.getChildNodes().item(0).getNodeValue()
                        .trim();
            } else {
                elemTxt = node.getChildNodes().item(0).getNodeValue();
            }

            return elemTxt;
        } else {
            return null;
        }
    }

    public static String getSimpleElementText(Element node) {
        return getSimpleElementText(node, false);
    }
}

Related

1. createRootElement(Document doc, String name)
2. createRootElement(Document doc, String rootTagName)
3. getElement(String elementName, Node rootNode)
4. getElementData(final Element root, final String elementName)
5. getElementData(final Element root, final String elementName)
6. getElementValue(Element root, String name)
7. getElementValueLong(Element root, String name)
8. getRoot(Document doc)
9. getRoot(Document doc)