NullAttributes.java |
/* * The Apache Software License, Version 1.1 * * * Copyright (c) 2001-2003 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Axis" and "Apache Software Foundation" must * not be used to endorse or promote products derived from this * software without prior written permission. For written * permission, please contact apache@apache.org. * * 5. Products derived from this software may not be called "Apache", * nor may "Apache" appear in their name, without prior written * permission of the Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */ package org.jboss.axis.message; import org.xml.sax.Attributes; /** * Null implementation of the Attributes interface. * * @author David Megginson * @author Sam Ruby <rubys@us.ibm.com> */ public class NullAttributes implements Attributes { public static final NullAttributes singleton = new NullAttributes(); //////////////////////////////////////////////////////////////////// // Implementation of org.xml.sax.Attributes. //////////////////////////////////////////////////////////////////// /** * Return the number of attributes in the list. * * @return The number of attributes in the list. * @see org.xml.sax.Attributes#getLength */ public int getLength() { return 0; } /** * Return an attribute's Namespace URI. * * @param index The attribute's index (zero-based). * @return The Namespace URI, the empty string if none is * available, or null if the index is out of range. * @see org.xml.sax.Attributes#getURI */ public String getURI(int index) { return null; } /** * Return an attribute's local name. * * @param index The attribute's index (zero-based). * @return The attribute's local name, the empty string if * none is available, or null if the index if out of range. * @see org.xml.sax.Attributes#getLocalName */ public String getLocalName(int index) { return null; } /** * Return an attribute's qualified (prefixed) name. * * @param index The attribute's index (zero-based). * @return The attribute's qualified name, the empty string if * none is available, or null if the index is out of bounds. * @see org.xml.sax.Attributes#getQName */ public String getQName(int index) { return null; } /** * Return an attribute's type by index. * * @param index The attribute's index (zero-based). * @return The attribute's type, "CDATA" if the type is unknown, or null * if the index is out of bounds. * @see org.xml.sax.Attributes#getType(int) */ public String getType(int index) { return null; } /** * Return an attribute's value by index. * * @param index The attribute's index (zero-based). * @return The attribute's value or null if the index is out of bounds. * @see org.xml.sax.Attributes#getValue(int) */ public String getValue(int index) { return null; } /** * Look up an attribute's index by Namespace name. * <p/> * <p>In many cases, it will be more efficient to look up the name once and * use the index query methods rather than using the name query methods * repeatedly.</p> * * @param uri The attribute's Namespace URI, or the empty * string if none is available. * @param localName The attribute's local name. * @return The attribute's index, or -1 if none matches. * @see org.xml.sax.Attributes#getIndex(java.lang.String,java.lang.String) */ public int getIndex(String uri, String localName) { return -1; } /** * Look up an attribute's index by qualified (prefixed) name. * * @param qName The qualified name. * @return The attribute's index, or -1 if none matches. * @see org.xml.sax.Attributes#getIndex(java.lang.String) */ public int getIndex(String qName) { return -1; } /** * Look up an attribute's type by Namespace-qualified name. * * @param uri The Namespace URI, or the empty string for a name * with no explicit Namespace URI. * @param localName The local name. * @return The attribute's type, or null if there is no * matching attribute. * @see org.xml.sax.Attributes#getType(java.lang.String,java.lang.String) */ public String getType(String uri, String localName) { return null; } /** * Look up an attribute's type by qualified (prefixed) name. * * @param qName The qualified name. * @return The attribute's type, or null if there is no * matching attribute. * @see org.xml.sax.Attributes#getType(java.lang.String) */ public String getType(String qName) { return null; } /** * Look up an attribute's value by Namespace-qualified name. * * @param uri The Namespace URI, or the empty string for a name * with no explicit Namespace URI. * @param localName The local name. * @return The attribute's value, or null if there is no * matching attribute. * @see org.xml.sax.Attributes#getValue(java.lang.String,java.lang.String) */ public String getValue(String uri, String localName) { return null; } /** * Look up an attribute's value by qualified (prefixed) name. * * @param qName The qualified name. * @return The attribute's value, or null if there is no * matching attribute. * @see org.xml.sax.Attributes#getValue(java.lang.String) */ public String getValue(String qName) { return null; } }
NullAttributes.java |