jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/tools/internal/xjc/util/DOMUtils.java@9c07ef4934dd

     1 /*

     2  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    26 /*

    27  * DOMUtils.java

    28  *

    29  * Created on May 7th 2002

    30  */

    32 package com.sun.tools.internal.xjc.util;

    34 import java.util.ArrayList;

    36 import javax.xml.namespace.QName;

    38 import org.w3c.dom.DOMException;

    39 import org.w3c.dom.Document;

    40 import org.w3c.dom.Element;

    41 import org.w3c.dom.Node;

    42 import org.w3c.dom.NodeList;

    45 /**

    46  *

    47  * @author  Vivek Pandey

    48  * @version 1.0

    49  *

    50  */

    51 public class DOMUtils {

    52     /** Gets the fist child of the given name, or null. */

    53     public static Element getFirstChildElement( Element parent, String nsUri, String localPart ) {

    54         NodeList children = parent.getChildNodes();

    55         for( int i=0; i<children.getLength(); i++ ) {

    56             Node item = children.item(i);

    57             if(!(item instanceof Element ))     continue;

    59             if(nsUri.equals(item.getNamespaceURI())

    60             && localPart.equals(item.getLocalName()) )

    61                 return (Element)item;

    62         }

    63         return null;

    64     }

    66     /** Gets the child elements of the given name. */

    67     public static Element[] getChildElements(Element parent, String nsUri, String localPart ) {

    68         ArrayList a = new ArrayList();

    69         NodeList children = parent.getChildNodes();

    70         for( int i=0; i<children.getLength(); i++ ) {

    71             Node item = children.item(i);

    72             if(!(item instanceof Element ))     continue;

    74             if(nsUri.equals(item.getNamespaceURI())

    75             && localPart.equals(item.getLocalName()) )

    76                 a.add(item);

    77         }

    78         return (Element[]) a.toArray(new Element[a.size()]);

    79     }

    81     /** Gets all the child elements. */

    82     public static Element[] getChildElements( Element parent ) {

    83         ArrayList a = new ArrayList();

    84         NodeList children = parent.getChildNodes();

    85         for( int i=0; i<children.getLength(); i++ ) {

    86             Node item = children.item(i);

    87             if(!(item instanceof Element ))     continue;

    89             a.add(item);

    90         }

    91         return (Element[]) a.toArray(new Element[a.size()]);

    92     }

    95   public static String getElementText(Element element) throws DOMException{

    96     for (Node child = element.getFirstChild(); child != null;

    97      child = child.getNextSibling()) {

    98       if(child.getNodeType() == Node.TEXT_NODE)

    99     return child.getNodeValue();

   100     }

   101     return element.getNodeValue();

   102   }

   104   public static Element getElement(Document parent, String name){

   105     NodeList children = parent.getElementsByTagName(name);

   106     if(children.getLength() >= 1)

   107       return (Element)children.item(0);

   108     return null;

   109   }

   111   public static Element getElement(Document parent, QName qname){

   112     NodeList children = parent.getElementsByTagNameNS(qname.getNamespaceURI(), qname.getLocalPart());

   113     if(children.getLength() >= 1)

   114       return (Element)children.item(0);

   115     return null;

   116   }

   118   public static Element getElement(Document parent, String namespaceURI,

   119                        String localName) {

   120     NodeList children = parent.getElementsByTagNameNS(namespaceURI, localName);

   121     if(children.getLength() >= 1)

   122       return (Element)children.item(0);

   123     return null;

   124   }

   126     public static Element[] getElements(NodeList children) {

   127         Element[] elements = null;

   128         int len = 0;

   129         for (int i = 0; i < children.getLength(); ++i) {

   130             if (elements == null)

   131                 elements = new Element[1];

   132             if (elements.length == len) {

   133                 Element[] buf = new Element[elements.length + 1];

   134                 System.arraycopy(elements, 0, buf, 0, elements.length);

   135                 elements = buf;

   136             }

   137             elements[len++] = (Element)children.item(i);

   138         }

   139         return elements;

   140     }

   141 }

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