| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 2001 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 "Xerces" 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) 2001, International |
| * Business Machines, Inc., http://www.apache.org. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| package org.apache.xerces.impl.xs; |
| |
| import java.util.Hashtable; |
| import java.util.Enumeration; |
| |
| /** |
| * A class used to hold the internal schema grammar set for the current instance |
| * @author Sandy Gao, IBM |
| * @version $Id$ |
| */ |
| public class XSGrammarResolver { |
| |
| // Data |
| |
| /** |
| * Hashtable that maps between Namespace and a Grammar |
| */ |
| private Hashtable fGrammarRegistry = new Hashtable(); |
| private SchemaGrammar fNoNSGrammar = null; |
| |
| /** |
| * Get the schema grammar for the specified namespace |
| * |
| * @param namespace |
| * @return SchemaGrammar associated with the namespace |
| */ |
| public SchemaGrammar getGrammar(String namespace) { |
| if (namespace == null) |
| return fNoNSGrammar; |
| return (SchemaGrammar)fGrammarRegistry.get(namespace); |
| } |
| |
| /** |
| * put a schema grammar into the registry |
| * |
| * @param grammar the grammar to put in the registry |
| */ |
| public void putGrammar(SchemaGrammar grammar) { |
| if (grammar.getTargetNamespace() == null) |
| fNoNSGrammar = grammar; |
| else |
| fGrammarRegistry.put(grammar.getTargetNamespace(), grammar); |
| } |
| |
| /** |
| * put a schema grammar into the registry |
| * this method is for the grammar of schema namespace: |
| * the namespace in the grammar is not added into the current symbol table, |
| * so we provide the namespace, which is from the current symbol table. |
| * |
| * @param namespace the namespace of this grammar |
| * @param grammar the grammar to put in the registry |
| */ |
| public void putGrammar(String namespace, SchemaGrammar grammar) { |
| if (namespace == null) |
| fNoNSGrammar = grammar; |
| else |
| fGrammarRegistry.put(namespace, grammar); |
| } |
| |
| /** |
| * get all grammars in the registry |
| * |
| * @return an array of SchemaGrammars. |
| */ |
| public SchemaGrammar[] getGrammars() { |
| // get the number of grammars |
| int count = fGrammarRegistry.size() + (fNoNSGrammar==null ? 0 : 1); |
| SchemaGrammar[] grammars = new SchemaGrammar[count]; |
| // get grammars with target namespace |
| Enumeration enum = fGrammarRegistry.elements(); |
| int i = 0; |
| while (enum.hasMoreElements()) |
| grammars[i++] = (SchemaGrammar)enum.nextElement(); |
| // add the grammar without target namespace, if any |
| if (fNoNSGrammar != null) |
| grammars[count-1] = fNoNSGrammar; |
| return grammars; |
| } |
| |
| /** |
| * Clear the registry. |
| * REVISIT: update to use another XMLGrammarResolver |
| */ |
| public void reset() { |
| fNoNSGrammar = null; |
| fGrammarRegistry.clear(); |
| } |
| |
| } // class XSGrammarResolver |