elena 2003/11/14 11:37:01 Added: java/samples/xs QueryXS.java Log: Add sample file that shows how to load and query XML Schemas using XS API Revision Changes Path 1.1 xml-xerces/java/samples/xs/QueryXS.java Index: QueryXS.java =================================================================== /* * The Apache Software License, Version 1.1 * * * Copyright (c) 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 "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 [EMAIL PROTECTED] * * 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. 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For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */ package xs; import org.apache.xerces.dom3.DOMConfiguration; import org.apache.xerces.dom3.DOMError; import org.apache.xerces.dom3.DOMErrorHandler; import org.apache.xerces.dom3.bootstrap.DOMImplementationRegistry; import org.apache.xerces.xs.XSConstants; import org.apache.xerces.xs.XSImplementation; import org.apache.xerces.xs.XSLoader; import org.apache.xerces.xs.XSModel; import org.apache.xerces.xs.XSNamedMap; import org.apache.xerces.xs.XSObject; import org.w3c.dom.ls.DOMParser; /** * This sample program illustrates how to use load XML Schemas and * use XML Schema API (org.apache.xerces.xs) to navigate XML Schema components. * */ public class QueryXS implements DOMErrorHandler { /** Default namespaces support (true). */ protected static final boolean DEFAULT_NAMESPACES = true; /** Default validation support (false). */ protected static final boolean DEFAULT_VALIDATION = false; /** Default Schema validation support (false). */ protected static final boolean DEFAULT_SCHEMA_VALIDATION = false; static DOMParser builder; public static void main(String[] argv) { if (argv.length == 0) { printUsage(); System.exit(1); } try { // get DOM Implementation using DOM Registry System.setProperty( DOMImplementationRegistry.PROPERTY, "org.apache.xerces.dom.DOMImplementationSourceImpl"); DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance(); XSImplementation impl = (XSImplementation) registry.getDOMImplementation("XS-Loader"); XSLoader schemaLoader = impl.createXSLoader(null); DOMConfiguration config = schemaLoader.getConfig(); // create Error Handler DOMErrorHandler errorHandler = new QueryXS(); // set error handler config.setParameter("error-handler", errorHandler); // set validation feature config.setParameter("validate", Boolean.TRUE); // parse document System.out.println("Parsing " + argv[0] + "..."); XSModel model = schemaLoader.loadURI(argv[0]); if (model != null) { // element declarations XSNamedMap map = model.getComponents(XSConstants.ELEMENT_DECLARATION); if (map.getLength() != 0) { System.out.println("*************************************************"); System.out.println("* Global element declarations: {namespace} name "); System.out.println("*************************************************"); for (int i = 0; i < map.getLength(); i++) { XSObject item = map.item(i); System.out.println("{" + item.getNamespace() + "}" + item.getName()); } } // attribute declarations map = model.getComponents(XSConstants.ATTRIBUTE_DECLARATION); if (map.getLength() != 0) { System.out.println("*************************************************"); System.out.println("* Global attribute declarations: {namespace} name"); System.out.println("*************************************************"); for (int i = 0; i < map.getLength(); i++) { XSObject item = map.item(i); System.out.println("{" + item.getNamespace() + "}" + item.getName()); } } // notation declarations map = model.getComponents(XSConstants.TYPE_DEFINITION); if (map.getLength() != 0) { System.out.println("*************************************************"); System.out.println("* Global type declarations: {namespace} name"); System.out.println("*************************************************"); for (int i = 0; i < map.getLength(); i++) { XSObject item = map.item(i); System.out.println("{" + item.getNamespace() + "}" + item.getName()); } } // notation declarations map = model.getComponents(XSConstants.NOTATION_DECLARATION); if (map.getLength() != 0) { System.out.println("*************************************************"); System.out.println("* Global notation declarations: {namespace} name"); System.out.println("*************************************************"); for (int i = 0; i < map.getLength(); i++) { XSObject item = map.item(i); System.out.println("{" + item.getNamespace() + "}" + item.getName()); } } } } catch (Exception ex) { ex.printStackTrace(); } } private static void printUsage() { System.err.println("usage: java dom.QueryXS uri ..."); System.err.println(); } // printUsage() public boolean handleError(DOMError error){ short severity = error.getSeverity(); if (severity == DOMError.SEVERITY_ERROR) { System.out.println("[xs-error]: "+error.getMessage()); } if (severity == DOMError.SEVERITY_WARNING) { System.out.println("[xs-warning]: "+error.getMessage()); } return true; } }
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