Java XML Attribute By QName getAttributeAsQName(XMLStreamReader reader, String name)

Description

Returns the QName value of an attribute.

License

Apache License

Parameter

Parameter	Description
reader	a parameter
name	a parameter

Declaration

public static QName getAttributeAsQName(XMLStreamReader reader, String name) 

Method Source Code

//package com.java2s;
/*//ww  w .  j ava2s  .  co  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.    
 */

import javax.xml.namespace.QName;

import javax.xml.stream.XMLStreamReader;

public class Main {
    /**
     * Returns the QName value of an attribute.
     * @param reader
     * @param name
     * @return
     */
    public static QName getAttributeAsQName(XMLStreamReader reader, String name) {
        String qname = reader.getAttributeValue(null, name);
        return getValueAsQName(reader, qname);
    }

    /**
     * Returns a QName from a string.
     * @param reader
     * @param value
     * @return
     */
    public static QName getValueAsQName(XMLStreamReader reader, String value) {
        if (value != null) {
            int index = value.indexOf(':');
            String prefix = index == -1 ? "" : value.substring(0, index);
            String localName = index == -1 ? value : value.substring(index + 1);
            String ns = reader.getNamespaceContext().getNamespaceURI(prefix);
            if (ns == null) {
                ns = "";
            }
            return new QName(ns, localName, prefix);
        } else {
            return null;
        }
    }
}

Related

1. getAttribute(Element el, QName attributeName)
2. getAttribute(Element xml, QName qname)
3. getAttributeValue(final XMLStreamReader streamReader, final QName name)
4. getAttributeValueAsQName(final Element el, final String attrName)