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1 /* 2 * $Header: /home/cvs/jakarta-commons/betwixt/src/test/org/apache/commons/betwixt/schema/TestSchema.java,v 1.5 2002/12/30 18:16:47 mvdb Exp $ 3 * $Revision: 1.5 $ 4 * $Date: 2002/12/30 18:16:47 $ 5 * 6 * ==================================================================== 7 * 8 * The Apache Software License, Version 1.1 9 * 10 * Copyright (c) 1999-2002 The Apache Software Foundation. All rights 11 * reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in 22 * the documentation and/or other materials provided with the 23 * distribution. 24 * 25 * 3. The end-user documentation included with the redistribution, if 26 * any, must include the following acknowlegement: 27 * "This product includes software developed by the 28 * Apache Software Foundation (http://www.apache.org/)." 29 * Alternately, this acknowlegement may appear in the software itself, 30 * if and wherever such third-party acknowlegements normally appear. 31 * 32 * 4. The names "The Jakarta Project", "Commons", and "Apache Software 33 * Foundation" must not be used to endorse or promote products derived 34 * from this software without prior written permission. For written 35 * permission, please contact apache@apache.org. 36 * 37 * 5. Products derived from this software may not be called "Apache" 38 * nor may "Apache" appear in their names without prior written 39 * permission of the Apache Group. 40 * 41 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 42 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 44 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 47 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 48 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 49 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 50 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 51 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 52 * SUCH DAMAGE. 53 * ==================================================================== 54 * 55 * This software consists of voluntary contributions made by many 56 * individuals on behalf of the Apache Software Foundation. For more 57 * information on the Apache Software Foundation, please see 58 * <http://www.apache.org/>;. 59 * 60 * $Id: TestSchema.java,v 1.5 2002/12/30 18:16:47 mvdb Exp $ 61 */ 62 package org.apache.commons.betwixt.schema; 63 64 import java.io.StringReader; 65 import java.io.StringWriter; 66 import java.io.Writer; 67 68 import junit.framework.Test; 69 import junit.framework.TestSuite; 70 71 import org.apache.commons.betwixt.AbstractTestCase; 72 import org.apache.commons.betwixt.XMLIntrospector; 73 import org.apache.commons.betwixt.io.BeanReader; 74 import org.apache.commons.betwixt.io.BeanWriter; 75 import org.apache.commons.betwixt.registry.DefaultXMLBeanInfoRegistry; 76 import org.apache.commons.betwixt.strategy.DecapitalizeNameMapper; 77 import org.apache.commons.betwixt.strategy.HyphenatedNameMapper; 78 79 80 /*** 81 * This will test betwixt on handling a different kind of xml file, without 82 * a "collection" tag. 83 * 84 * @author <a href="mailto:martin@mvdb.net">Martin van den Bemt</a> 85 * @version $Id: TestSchema.java,v 1.5 2002/12/30 18:16:47 mvdb Exp $ 86 */ 87 public class TestSchema extends AbstractTestCase 88 { 89 90 public static Test suite() 91 { 92 return new TestSuite(TestSchema.class); 93 } 94 95 96 public TestSchema(String testName) 97 { 98 super(testName); 99 } 100 101 /*** 102 * Test the roundtrip with an xml file that doesn't have 103 * collection elements, writes it with collection elements 104 * and then compares the 2 object, which should end up 105 * equal.. 106 */ 107 public void testCombinedRoundTrip() 108 throws Exception 109 { 110 BeanReader reader = createBeanReader(); 111 PhysicalSchema schema = (PhysicalSchema) reader.parse( 112 getTestFileURL("src/test/org/apache/commons/betwixt/schema/schema.xml")); 113 StringWriter buffer = new StringWriter(); 114 write(schema, buffer, true); 115 StringReader in = new StringReader(buffer.getBuffer().toString()); 116 reader = createBeanReader(); 117 XMLIntrospector intro = createXMLIntrospector(); 118 DefaultXMLBeanInfoRegistry registry = new DefaultXMLBeanInfoRegistry(); 119 intro.setRegistry(registry); 120 // we have written the xml file back with element collections, 121 // so we have to say to the reader we want to use that now 122 // (the default when creating in this test is not to use them) 123 intro.setWrapCollectionsInElement(true); 124 // first flush the cash, else setting other options, doesn't 125 // end up in rereading / mapping the object model. 126 registry.flush(); 127 // set the xmlIntrospector back to the reader 128 reader.setXMLIntrospector(intro); 129 PhysicalSchema schemaSecond = (PhysicalSchema) reader.parse(in); 130 buffer.close(); 131 write(schema,buffer, true); 132 assertEquals(schemaSecond, schema); 133 } 134 /*** 135 * Tests we can round trip from the XML -> bean -> XML -> bean. 136 * It will test if both object are identical. 137 * For this to actually work I implemented a details equals in my 138 * Beans.. 139 */ 140 public void testRoundTripWithoutCollectionElement() 141 throws Exception 142 { 143 BeanReader reader = createBeanReader(); 144 PhysicalSchema schema = (PhysicalSchema) reader.parse( 145 getTestFileURL("src/test/org/apache/commons/betwixt/schema/schema.xml")); 146 StringWriter buffer = new StringWriter(); 147 write(schema, buffer, false); 148 StringReader in = new StringReader(buffer.getBuffer().toString()); 149 PhysicalSchema schemaSecond = (PhysicalSchema) reader.parse(in); 150 assertEquals(schemaSecond, schema); 151 } 152 153 /*** 154 * Creates a beanReader 155 */ 156 protected BeanReader createBeanReader() 157 throws Exception 158 { 159 BeanReader reader = new BeanReader(); 160 reader.setXMLIntrospector(createXMLIntrospector()); 161 // register the class which maps to the root element 162 // of the xml file (this depends on the NameMapper used. 163 reader.registerBeanClass(PhysicalSchema.class); 164 return reader; 165 } 166 167 /*** 168 * Set up the XMLIntroSpector 169 */ 170 protected XMLIntrospector createXMLIntrospector() { 171 XMLIntrospector introspector = new XMLIntrospector(); 172 173 // set elements for attributes to true 174 introspector.setAttributesForPrimitives(true); 175 176 // Since we don't want to have collectionelements 177 // line <DBMSS>, we have to set this to false, 178 // since the default is true. 179 introspector.setWrapCollectionsInElement(false); 180 181 // We have to use the HyphenatedNameMapper 182 // Since we want the names to resolve from eg PhysicalSchema 183 // to PHYSICAL_SCHEMA. 184 // we pass to the mapper we want uppercase and use _ for name 185 // seperation. 186 // This will set our ElementMapper. 187 introspector.setElementNameMapper(new HyphenatedNameMapper(true, "_")); 188 // since our attribute names will use a different 189 // naming convention in our xml file (just all lowercase) 190 // we set another mapper for the attributes 191 introspector.setAttributeNameMapper(new DecapitalizeNameMapper()); 192 193 return introspector; 194 } 195 196 /*** 197 * Opens a writer and writes an object model according to the 198 * retrieved bean 199 */ 200 private void write(Object bean, Writer out, boolean wrapCollectionsInElement) 201 throws Exception 202 { 203 BeanWriter writer = new BeanWriter(out); 204 writer.setXMLIntrospector(createXMLIntrospector()); 205 // specifies weather to use collection elements or not. 206 writer.getXMLIntrospector().setWrapCollectionsInElement(wrapCollectionsInElement); 207 // we don't want to write Id attributes to every element 208 // we just want our opbject model written nothing more.. 209 writer.setWriteIDs(false); 210 // the source has 2 spaces indention and \n as line seperator. 211 writer.setIndent(" "); 212 writer.setEndOfLine("\n"); 213 writer.write(bean); 214 } 215 } 216

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