| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 1999 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 "Xalan" 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 and was |
| * originally based on software copyright (c) 1999, Lotus |
| * Development Corporation., http://www.lotus.com. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.xml.utils; |
| |
| /** |
| * <meta name="usage" content="advanced"/> |
| * The class that implements this interface can resolve prefixes to |
| * namespaces. Examples would include resolving the meaning of a |
| * prefix at a particular point in a document, or mapping the prefixes |
| * used in an XPath expression. |
| */ |
| public interface PrefixResolver |
| { |
| |
| /** |
| * Given a namespace, get the corrisponding prefix. This assumes that |
| * the PrefixResolver holds its own namespace context, or is a namespace |
| * context itself. |
| * |
| * @param prefix The prefix to look up, which may be an empty string ("") for the default Namespace. |
| * |
| * @return The associated Namespace URI, or null if the prefix |
| * is undeclared in this context. |
| */ |
| String getNamespaceForPrefix(String prefix); |
| |
| /** |
| * Given a namespace, get the corresponding prefix, based on the context node. |
| * |
| * @param prefix The prefix to look up, which may be an empty string ("") for the default Namespace. |
| * @param context The node context from which to look up the URI. |
| * |
| * @return The associated Namespace URI as a string, or null if the prefix |
| * is undeclared in this context. |
| */ |
| String getNamespaceForPrefix(String prefix, org.w3c.dom.Node context); |
| |
| /** |
| * Return the base identifier. |
| * |
| * @return The base identifier from where relative URIs should be absolutized, or null |
| * if the base ID is unknown. |
| * <p> |
| * CAVEAT: Note that the base URI in an XML document may vary with where |
| * you are in the document, if part of the doc's contents were brought in |
| * via an external entity reference or if mechanisms such as xml:base have |
| * been used. Unless this PrefixResolver is bound to a specific portion of |
| * the document, or has been kept up to date via some other mechanism, it |
| * may not accurately reflect that context information. |
| */ |
| public String getBaseIdentifier(); |
| } |