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Java > Open Source Codes > org > apache > commons > betwixt > strategy > TestElementsIO


1 /*
2  * Copyright 2001-2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.commons.betwixt.strategy;
18
19 import java.io.StringReader JavaDoc;
20 import java.io.StringWriter JavaDoc;
21 import java.io.Writer JavaDoc;
22
23 import junit.framework.TestCase;
24
25 import org.apache.commons.betwixt.XMLIntrospector;
26 import org.apache.commons.betwixt.io.BeanReader;
27 import org.apache.commons.betwixt.io.BeanWriter;
28
29
30 /**
31  * Tests streaming/destreaming of an <code>Elements</code> bean,
32  * a container for <code>Element</code> instances, using various name mappers
33  * The objective of this is to verify that containers whose names
34  * are plurals of their contents can be written and read back successfully.
35  *
36  * @author <a HREF="mailto:tima@intalio.com">Tim Anderson</a>
37  */
38 public class TestElementsIO extends TestCase {
39
40 // private SimpleLog testLog;
41
42     public TestElementsIO(String JavaDoc name) {
43         super(name);
44 // testLog = new SimpleLog("[TextElementsIO]");
45 // testLog.setLevel(SimpleLog.LOG_LEVEL_TRACE);
46 }
47
48     public void testCapitalizeNameMapper() throws Exception JavaDoc {
49 // testLog.debug("Testing capitalize name mapper");
50 doTest(new CapitalizeNameMapper(), "capitalize name mapper");
51     }
52
53     public void testDecapitalizeNameMapper() throws Exception JavaDoc {
54 // testLog.debug("Testing decapitalize name mapper");
55 doTest(new DecapitalizeNameMapper(), "decapitalize name mapper");
56     }
57
58     public void testDefaultElementMapper() throws Exception JavaDoc {
59 // testLog.debug("Testing default name mapper");
60 doTest(new DefaultNameMapper(), "default name mapper");
61     }
62
63     public void testHyphenatedNameMapper() throws Exception JavaDoc {
64 // testLog.debug("Testing hyphenated name mapper");
65 doTest(new HyphenatedNameMapper(), "hyphenated name mapper");
66     }
67
68     private void doTest(NameMapper mapper, String JavaDoc testName) throws Exception JavaDoc {
69         Elements elements = new Elements();
70         elements.addElement(new Element("a"));
71         elements.addElement(new Element("b"));
72         elements.addElement(new Element("c"));
73
74         StringWriter JavaDoc out = new StringWriter JavaDoc();
75         BeanWriter writer = newBeanWriter(out, mapper);
76         writer.setWriteEmptyElements(true);
77         writer.write(elements);
78         writer.flush();
79         
80         String JavaDoc xmlOut = out.toString();
81         
82 // testLog.debug(xmlOut);
83
84         StringReader JavaDoc in = new StringReader JavaDoc(xmlOut);
85         
86 // SimpleLog log = new SimpleLog("[TextElementsIO:BeanReader]");
87 // log.setLevel(SimpleLog.LOG_LEVEL_TRACE);
88
89         BeanReader reader = new BeanReader();
90 // reader.setLog(log);
91
92 // log = new SimpleLog("[TextElementsIO:BeanReader]");
93 // log.setLevel(SimpleLog.LOG_LEVEL_TRACE);
94 // BeanCreateRule.setLog(log);
95
96         reader.setXMLIntrospector(newXMLIntrospector(mapper));
97         reader.registerBeanClass(Elements.class);
98         Elements result = (Elements) reader.parse(in);
99
100         assertNotNull("Element 'a' is null (" + testName + ")", result.getElement("a"));
101         assertNotNull("Element 'b' is null (" + testName + ")", result.getElement("b"));
102         assertNotNull("Element 'c' is null (" + testName + ")", result.getElement("c"));
103     }
104
105     private BeanWriter newBeanWriter(Writer JavaDoc writer, NameMapper mapper) {
106 // SimpleLog log = new SimpleLog("[TextElementsIO:BeanWriter]");
107 // log.setLevel(SimpleLog.LOG_LEVEL_TRACE);
108
109         BeanWriter result = new BeanWriter(writer);
110         result.setWriteEmptyElements(true);
111 // result.setLog(log);
112
113 // log = new SimpleLog("[TextElementsIO:AbstractBeanWriter]");
114 // log.setLevel(SimpleLog.LOG_LEVEL_TRACE);
115 // result.setAbstractBeanWriterLog(log);
116
117         result.setXMLIntrospector(newXMLIntrospector(mapper));
118         result.enablePrettyPrint();
119         result.getBindingConfiguration().setMapIDs(false);
120         return result;
121     }
122
123     private XMLIntrospector newXMLIntrospector(NameMapper mapper) {
124         XMLIntrospector introspector = new XMLIntrospector();
125         introspector.getConfiguration().setAttributesForPrimitives(true);
126         introspector.getConfiguration().setWrapCollectionsInElement(false);
127         introspector.getConfiguration().setElementNameMapper(mapper);
128         return introspector;
129     }
130 }
131
132
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