Coverage Report

Coverage Report - net.sf.statsvn.input.SvnXmlRepositoriesFileHandler

Classes in this File

Line Coverage

Branch Coverage

Complexity

SvnXmlRepositoriesFileHandler

84%

43/51

60%

12/20

 package net.sf.statsvn.input;
 
 import javax.xml.parsers.ParserConfigurationException;
 
 import org.xml.sax.Attributes;
 import org.xml.sax.SAXException;
 import org.xml.sax.SAXParseException;
 import org.xml.sax.helpers.DefaultHandler;
 
 /**
  * This is the SAX parser for the repositories xml file. This xml file 
  * identifies the line counts xml files for all repositories for which 
  * SVN stats have been compiled.
  * 
  * @author Gunter Mussbacher <gunterm@site.uottawa.ca>
  * 
  * @version $Id: SvnXmlRepositoriesFileHandler.java 351 2008-03-28 18:46:26Z benoitx $
  */
 public class SvnXmlRepositoriesFileHandler extends DefaultHandler {
 
         private static final String FATAL_ERROR_MESSAGE = "Invalid StatSvn repositories file.";
 
         private static final String REPOSITORIES = "repositories";
 
         private static final String REPOSITORY = "repository";
 
         private static final String UUID = "uuid";
 
         private static final String FILE = "file";
 
         private String lastElement = "";
 
         private final RepositoriesBuilder repositoriesBuilder;
 
         /**
          * Default constructor
          * 
          * @param repositoriesBuilder
          *            the RepositoriesBuilder to which to send back the repository information.
          */
         public SvnXmlRepositoriesFileHandler(final RepositoriesBuilder repositoriesBuilder) {
                 this.repositoriesBuilder = repositoriesBuilder;
         }
 
         /**
          * Makes sure the last element received is appropriate.
          * 
          * @param last
          *            the expected last element.
          * @throws SAXException
          *             unexpected event.
          */
         private void checkLastElement(final String last) throws SAXException {
                 if (!lastElement.equals(last)) {
                         fatalError(FATAL_ERROR_MESSAGE);
                 }
         }
 
         /**
          * Handles the end of an xml element and redirects to the appropriate end* method.
          * 
          * @throws SAXException
          *             unexpected event.
          */
         public void endElement(final String uri, final String localName, final String qName) throws SAXException {
                 super.endElement(uri, localName, qName);
                 String eName = localName; // element name
                 if ("".equals(eName)) {
                         eName = qName; // namespaceAware = false
                 }
 
                 if (eName.equals(REPOSITORIES)) {
                         endRepositories();
                 } else if (eName.equals(REPOSITORY)) {
                         endRepository();
                 } else {
                         fatalError(FATAL_ERROR_MESSAGE);
                 }
         }
 
         /**
          * End of repositories element.
          * 
          * @throws SAXException
          *             unexpected event.
          */
         private void endRepositories() throws SAXException {
                 checkLastElement(REPOSITORIES);
                 lastElement = "";
         }
 
         /**
          * End of repository element.
          * 
          * @throws SAXException
          *             unexpected event.
          */
         private void endRepository() throws SAXException {
                 checkLastElement(REPOSITORY);
                 lastElement = REPOSITORIES;
         }
 
         /**
          * Throws a fatal error with the specified message.
          * 
          * @param message
          *            the reason for the error
          * @throws SAXException
          *             the error
          */
         private void fatalError(final String message) throws SAXException {
                 fatalError(new SAXParseException(message, null));
         }
 
         /**
          * Handles the start of an xml element and redirects to the appropriate start* method.
          * 
          * @throws SAXException
          *             unexpected event.
          */
         public void startElement(final String uri, final String localName, final String qName, final Attributes attributes) throws SAXException {
                 super.startElement(uri, localName, qName, attributes);
 
                 String eName = localName; // element name
                 if ("".equals(eName)) {
                         eName = qName; // namespaceAware = false
                 }
 
                 if (eName.equals(REPOSITORIES)) {
                         startRepositories();
                 } else if (eName.equals(REPOSITORY)) {
                         startRepository(attributes);
                 } else {
                         fatalError(FATAL_ERROR_MESSAGE);
                 }
         }
 
         /**
          * Handles the start of the document. Initializes the repository builder.
          * 
          * @throws SAXException
          *             unable to build the root.
          */
         private void startRepositories() throws SAXException {
                 checkLastElement("");
                 lastElement = REPOSITORIES;
                 try {
                         repositoriesBuilder.buildRoot();
                 } catch (final ParserConfigurationException e) {
                         fatalError(FATAL_ERROR_MESSAGE);
                 }
         }
 
         /**
          * Handles start of a repository. Initializes repositories builder for use with repository.
          * 
          * @param attributes
          *            element's xml attributes.
          * @throws SAXException
          *             missing some data.
          */
         private void startRepository(final Attributes attributes) throws SAXException {
                 checkLastElement(REPOSITORIES);
                 lastElement = REPOSITORY;
                 if (attributes != null && attributes.getValue(UUID) != null && attributes.getValue(FILE) != null) {
                         final String uuid = attributes.getValue(UUID);
                         final String file = attributes.getValue(FILE);
                         repositoriesBuilder.buildRepository(uuid, file);
                 } else {
                         fatalError(FATAL_ERROR_MESSAGE);
                 }
         }
 
 }

1		package net.sf.statsvn.input;
2
3		import javax.xml.parsers.ParserConfigurationException;
4
5		import org.xml.sax.Attributes;
6		import org.xml.sax.SAXException;
7		import org.xml.sax.SAXParseException;
8		import org.xml.sax.helpers.DefaultHandler;
9
10		/**
11		* This is the SAX parser for the repositories xml file. This xml file
12		* identifies the line counts xml files for all repositories for which
13		* SVN stats have been compiled.
14		*
15		* @author Gunter Mussbacher <gunterm@site.uottawa.ca>
16		*
17		* @version $Id: SvnXmlRepositoriesFileHandler.java 351 2008-03-28 18:46:26Z benoitx $
18		*/
19		public class SvnXmlRepositoriesFileHandler extends DefaultHandler {
20
21		private static final String FATAL_ERROR_MESSAGE = "Invalid StatSvn repositories file.";
22
23		private static final String REPOSITORIES = "repositories";
24
25		private static final String REPOSITORY = "repository";
26
27		private static final String UUID = "uuid";
28
29		private static final String FILE = "file";
30
31	4	private String lastElement = "";
32
33		private final RepositoriesBuilder repositoriesBuilder;
34
35		/**
36		* Default constructor
37		*
38		* @param repositoriesBuilder
39		* the RepositoriesBuilder to which to send back the repository information.
40		*/
41	4	public SvnXmlRepositoriesFileHandler(final RepositoriesBuilder repositoriesBuilder) {
42	4	this.repositoriesBuilder = repositoriesBuilder;
43	4	}
44
45		/**
46		* Makes sure the last element received is appropriate.
47		*
48		* @param last
49		* the expected last element.
50		* @throws SAXException
51		* unexpected event.
52		*/
53		private void checkLastElement(final String last) throws SAXException {
54	16	if (!lastElement.equals(last)) {
55	0	fatalError(FATAL_ERROR_MESSAGE);
56		}
57	16	}
58
59		/**
60		* Handles the end of an xml element and redirects to the appropriate end* method.
61		*
62		* @throws SAXException
63		* unexpected event.
64		*/
65		public void endElement(final String uri, final String localName, final String qName) throws SAXException {
66	8	super.endElement(uri, localName, qName);
67	8	String eName = localName; // element name
68	8	if ("".equals(eName)) {
69	8	eName = qName; // namespaceAware = false
70		}
71
72	8	if (eName.equals(REPOSITORIES)) {
73	4	endRepositories();
74	4	} else if (eName.equals(REPOSITORY)) {
75	4	endRepository();
76		} else {
77	0	fatalError(FATAL_ERROR_MESSAGE);
78		}
79	8	}
80
81		/**
82		* End of repositories element.
83		*
84		* @throws SAXException
85		* unexpected event.
86		*/
87		private void endRepositories() throws SAXException {
88	4	checkLastElement(REPOSITORIES);
89	4	lastElement = "";
90	4	}
91
92		/**
93		* End of repository element.
94		*
95		* @throws SAXException
96		* unexpected event.
97		*/
98		private void endRepository() throws SAXException {
99	4	checkLastElement(REPOSITORY);
100	4	lastElement = REPOSITORIES;
101	4	}
102
103		/**
104		* Throws a fatal error with the specified message.
105		*
106		* @param message
107		* the reason for the error
108		* @throws SAXException
109		* the error
110		*/
111		private void fatalError(final String message) throws SAXException {
112	0	fatalError(new SAXParseException(message, null));
113	0	}
114
115		/**
116		* Handles the start of an xml element and redirects to the appropriate start* method.
117		*
118		* @throws SAXException
119		* unexpected event.
120		*/
121		public void startElement(final String uri, final String localName, final String qName, final Attributes attributes) throws SAXException {
122	8	super.startElement(uri, localName, qName, attributes);
123
124	8	String eName = localName; // element name
125	8	if ("".equals(eName)) {
126	8	eName = qName; // namespaceAware = false
127		}
128
129	8	if (eName.equals(REPOSITORIES)) {
130	4	startRepositories();
131	4	} else if (eName.equals(REPOSITORY)) {
132	4	startRepository(attributes);
133		} else {
134	0	fatalError(FATAL_ERROR_MESSAGE);
135		}
136	8	}
137
138		/**
139		* Handles the start of the document. Initializes the repository builder.
140		*
141		* @throws SAXException
142		* unable to build the root.
143		*/
144		private void startRepositories() throws SAXException {
145	4	checkLastElement("");
146	4	lastElement = REPOSITORIES;
147		try {
148	4	repositoriesBuilder.buildRoot();
149	0	} catch (final ParserConfigurationException e) {
150	0	fatalError(FATAL_ERROR_MESSAGE);
151	4	}
152	4	}
153
154		/**
155		* Handles start of a repository. Initializes repositories builder for use with repository.
156		*
157		* @param attributes
158		* element's xml attributes.
159		* @throws SAXException
160		* missing some data.
161		*/
162		private void startRepository(final Attributes attributes) throws SAXException {
163	4	checkLastElement(REPOSITORIES);
164	4	lastElement = REPOSITORY;
165	4	if (attributes != null && attributes.getValue(UUID) != null && attributes.getValue(FILE) != null) {
166	4	final String uuid = attributes.getValue(UUID);
167	4	final String file = attributes.getValue(FILE);
168	4	repositoriesBuilder.buildRepository(uuid, file);
169	4	} else {
170	0	fatalError(FATAL_ERROR_MESSAGE);
171		}
172	4	}
173
174		}