Coverage Report

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

Classes in this File

Line Coverage

Branch Coverage

Complexity

CacheBuilder

58%

67/116

31%

13/42

 package net.sf.statsvn.input;
 
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;
 
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.parsers.ParserConfigurationException;
 
 import net.sf.statcvs.output.ConfigurationOptions;
 import net.sf.statsvn.output.SvnConfigurationOptions;
 
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.NodeList;
 
 /**
  * <p>
  * CVS log files include lines modified for each commit and binary status of a
  * file while SVN log files do not offer this additional information.
  * </p>
  * 
  * <p>
  * StatSVN must query the Subversion repository for line counts using svn diff.
  * However, this is very costly, performance-wise. Therefore, the decision was
  * taken to persist this information in an XML file. This class receives
  * information from (@link net.sf.statsvn.input.SvnXmlLineCountsFileHandler) to
  * build a DOM-based xml structure. It also forwards line counts to the
  * appropriate (@link net.sf.statsvn.input.FileBuilder).
  * </p>
  * 
  * @author Gunter Mussbacher <gunterm@site.uottawa.ca>
  * @version $Id: CacheBuilder.java 351 2008-03-28 18:46:26Z benoitx $
  */
 public class CacheBuilder {
         private final SvnLogBuilder builder;
 
         private final RepositoryFileManager repositoryFileManager;
 
         private Element currentPath = null;
 
         private Document document = null;
 
         private String currentFilename;
 
         private Element cache = null;
 
         /**
          * Constructs the LineCountsBuilder by giving it a reference to the builder
          * currently in use.
          * 
          * @param builder
          *            the SvnLogBuilder which contains all the FileBuilders.
          */
         public CacheBuilder(final SvnLogBuilder builder, final RepositoryFileManager repositoryFileManager) {
                 this.builder = builder;
                 this.repositoryFileManager = repositoryFileManager;
         }
 
         /**
          * Adds a path in the DOM. To be followed by invocations to (@link
          * #addRevision(String, String, String))
          * 
          * @param name
          *            the filename
          * @param latestRevision
          *            the latest revision of the file for which the binary status is
          *            known
          * @param binaryStatus
          *            binary status of latest revision
          */
         private void addDOMPath(final String name, final String latestRevision, final String binaryStatus) {
                 currentPath = document.createElement(CacheConfiguration.PATH);
                 currentPath.setAttribute(CacheConfiguration.NAME, name);
                 currentPath.setAttribute(CacheConfiguration.LATEST_REVISION, latestRevision);
                 currentPath.setAttribute(CacheConfiguration.BINARY_STATUS, binaryStatus);
                 cache.appendChild(currentPath);
         }
 
         /**
          * Updates the BINARY_STATUS and LATEST_REVISION attributes of a path in the
          * DOM. Updates only if the revisionNumber is higher than current
          * LATEST_REVISION of the path.
          * 
          * @param path
          *            the path to be updated
          * @param isBinary
          *            indicates if the revision is binary or not
          * @param revisionNumber
          *            the revision number for which the binary status is valid
          */
         private void updateDOMPath(final Element path, final boolean isBinary, final String revisionNumber) {
                 int oldRevision = 0;
                 int newRevision = -1;
                 try {
                         oldRevision = Integer.parseInt(path.getAttribute(CacheConfiguration.LATEST_REVISION));
                         newRevision = Integer.parseInt(revisionNumber);
                 } catch (final NumberFormatException e) {
                         SvnConfigurationOptions.getTaskLogger().log(
                                 "Ignoring invalid revision number " + revisionNumber + " for " + path.getAttribute(CacheConfiguration.NAME));
                         newRevision = -1;
                 }
                 String binaryStatus = CacheConfiguration.NOT_BINARY;
                 if (isBinary) {
                         binaryStatus = CacheConfiguration.BINARY;
                 }
                 if (newRevision >= oldRevision) {
                         path.setAttribute(CacheConfiguration.LATEST_REVISION, revisionNumber);
                         path.setAttribute(CacheConfiguration.BINARY_STATUS, binaryStatus);
                 }
         }
 
         /**
          * Finds a path in the DOM.
          * 
          * @param name
          *            the filename
          * @return the path or null if the path does not exist
          */
         private Element findDOMPath(final String name) {
                 if (currentPath != null && name.equals(currentPath.getAttribute(CacheConfiguration.NAME))) {
                         return currentPath;
                 }
                 final NodeList paths = cache.getChildNodes();
                 for (int i = 0; i < paths.getLength(); i++) {
                         final Element path = (Element) paths.item(i);
                         if (name.equals(path.getAttribute(CacheConfiguration.NAME))) {
                                 return path;
                         }
                 }
                 return null;
         }
 
         /**
          * Adds a revision to the current path in the DOM. To be preceeded by (@link
          * #addPath(String))
          * 
          * @param number
          *            the revision number
          * @param added
          *            the number of lines that were added
          * @param removed
          *            the number of lines that were removed
          */
         private void addDOMRevision(final String number, final String added, final String removed, final String binaryStatus) {
                 final Element revision = document.createElement(CacheConfiguration.REVISION);
                 revision.setAttribute(CacheConfiguration.NUMBER, number);
                 revision.setAttribute(CacheConfiguration.ADDED, added);
                 revision.setAttribute(CacheConfiguration.REMOVED, removed);
                 revision.setAttribute(CacheConfiguration.BINARY_STATUS, binaryStatus);
                 currentPath.appendChild(revision);
         }
 
         /**
          * Initializes the builder for subsequent invocations of (@link
          * #buildRevision(String, String, String)).
          * 
          * @param name
          *            the filename
          */
         public void buildPath(final String name, final String revision, final String binaryStatus) {
                 currentFilename = repositoryFileManager.absoluteToRelativePath(name);
                 addDOMPath(name, revision, binaryStatus);
 
         }
 
         /**
          * Given the file specified by the preceeding invocation to (@link
          * #buildPath(String)), set the line counts for the given revision.
          * 
          * If the path given in the preceeding invocation to (@link
          * #buildPath(String)) is not used by the (@link SvnLogBuilder), this call
          * does nothing.
          * 
          * @param number
          *            the revision number
          * @param added
          *            the number of lines added
          * @param removed
          *            the number of lines removed.
          */
         public void buildRevision(final String number, final String added, final String removed, final String binaryStatus) {
                 if (!added.equals("-1") && !removed.equals("-1")) {
                         addDOMRevision(number, added, removed, binaryStatus);
                         builder.updateRevision(currentFilename, number, Integer.parseInt(added), Integer.parseInt(removed));
                 }
         }
 
         /**
          * Builds the DOM root.
          * 
          * @throws ParserConfigurationException
          */
         public void buildRoot() throws ParserConfigurationException {
                 final DocumentBuilderFactory factoryDOM = DocumentBuilderFactory.newInstance();
                 DocumentBuilder builderDOM;
                 builderDOM = factoryDOM.newDocumentBuilder();
                 document = builderDOM.newDocument();
                 cache = document.createElement(CacheConfiguration.CACHE);
                 cache.setAttribute(CacheConfiguration.PROJECT, ConfigurationOptions.getProjectName());
                 cache.setAttribute(CacheConfiguration.XML_VERSION, "1.0");
                 document.appendChild(cache);
         }
 
         /**
          * Returns the DOM object when building is complete.
          * 
          * @return the DOM document.
          */
         public Document getDocument() {
                 return document;
         }
 
         /**
          * Adds a revision to the DOM.
          * 
          * Encapsulates calls to (@link #buildRoot()), (@link #buildPath(String)),
          * and (@link #buildRevision(String, String, String)) into one easy to use
          * interface.
          * 
          * 
          * @param name
          *            the filename
          * @param number
          *            the revision number
          * @param added
          *            the number of lines added
          * @param removed
          *            the number of lines removed
          */
         public synchronized void newRevision(String name, final String number, final String added, final String removed, final boolean binaryStatus) {
                 name = repositoryFileManager.relativeToAbsolutePath(name);
                 checkDocument();
                 if (document != null) {
                         currentPath = findDOMPath(name);
                         if (currentPath == null) {
                                 // changes currentPath to new one
                                 addDOMPath(name, "0", CacheConfiguration.UNKNOWN);
                         }
                         String sBinaryStatus = CacheConfiguration.NOT_BINARY;
                         if (binaryStatus) {
                                 sBinaryStatus = CacheConfiguration.BINARY;
                         }
                         addDOMRevision(number, added, removed, sBinaryStatus);
                 }
         }
 
         private void checkDocument() {
                 if (document == null) {
                         try {
                                 buildRoot();
                         } catch (final ParserConfigurationException e) {
                                 document = null;
                         }
                 }
         }
 
         /**
          * Updates all paths in the DOM structure with the latest binary status
          * information from the working folder.
          * 
          * @param name
          *            the filename
          * @param number
          *            the revision number
          * @param added
          *            the number of lines added
          * @param removed
          *            the number of lines removed
          */
         public void updateBinaryStatus(final Collection fileBuilders, final String revisionNumber) {
                 // change data structure to a more appropriate one for lookup
                 final Map mFileBuilders = new HashMap();
                 for (final Iterator iter = fileBuilders.iterator(); iter.hasNext();) {
                         final FileBuilder fileBuilder = (FileBuilder) iter.next();
                         mFileBuilders.put(fileBuilder.getName(), fileBuilder);
                 }
                 if (!mFileBuilders.isEmpty()) {
                         // go through all the paths in the DOM and update their binary
                         // status
                         // remove the fileBuilder once its corresponding path in the DOM was
                         // dealt with
                         checkDocument();
                         final NodeList paths = cache.getChildNodes();
                         for (int i = 0; i < paths.getLength(); i++) {
                                 final Element path = (Element) paths.item(i);
                                 if (mFileBuilders.containsKey(repositoryFileManager.absoluteToRelativePath(path.getAttribute(CacheConfiguration.NAME)))) {
                                         final FileBuilder fileBuilder = (FileBuilder) mFileBuilders.get(repositoryFileManager.absoluteToRelativePath(path
                                                 .getAttribute(CacheConfiguration.NAME)));
                                         updateDOMPath(path, fileBuilder.isBinary(), revisionNumber);
                                         mFileBuilders.remove(repositoryFileManager.absoluteToRelativePath(path.getAttribute(CacheConfiguration.NAME)));
                                 }
                         }
                         // go through remaining fileBuilders and add them to the DOM
                         final Collection cFileBuilders = mFileBuilders.values();
                         for (final Iterator iter = cFileBuilders.iterator(); iter.hasNext();) {
                                 final FileBuilder fileBuilder = (FileBuilder) iter.next();
                                 String binaryStatus = CacheConfiguration.NOT_BINARY;
                                 if (fileBuilder.isBinary()) {
                                         binaryStatus = CacheConfiguration.BINARY;
                                 }
                                 addDOMPath(repositoryFileManager.relativeToAbsolutePath(fileBuilder.getName()), revisionNumber, binaryStatus);
                         }
                 }
 
         }
 
         /**
          * Checks the path's cached binary status.
          * 
          * @param fileName
          *            the path to be checked
          * @param revisionNumber
          *            the revision of the path to be checked
          * @return true if the path's BINARY_STATUS is true and the revisionNumber
          *         is lower or equal to the path's LATEST_REVISION
          */
         public synchronized boolean isBinary(final String fileName, final String revisionNumber) {
                 int latestRevision = 0;
                 int revisionToCheck = -1;
                 checkDocument();
                 final Element path = findDOMPath(repositoryFileManager.relativeToAbsolutePath(fileName));
                 if (path == null) {
                         return false;
                 }
                 try {
                         latestRevision = Integer.parseInt(path.getAttribute(CacheConfiguration.LATEST_REVISION));
                         revisionToCheck = Integer.parseInt(revisionNumber);
                 } catch (final NumberFormatException e) {
                         SvnConfigurationOptions.getTaskLogger().log(
                                 "Ignoring invalid revision number " + revisionNumber + " for " + path.getAttribute(CacheConfiguration.NAME));
                         revisionToCheck = -1;
                 }
                 if (latestRevision >= revisionToCheck) {
                         final String binaryStatus = path.getAttribute(CacheConfiguration.BINARY_STATUS);
                         if (binaryStatus.equals(CacheConfiguration.BINARY)) {
                                 return true;
                         }
                 }
                 return false;
         }
 }

1		package net.sf.statsvn.input;
2
3		import java.util.Collection;
4		import java.util.HashMap;
5		import java.util.Iterator;
6		import java.util.Map;
7
8		import javax.xml.parsers.DocumentBuilder;
9		import javax.xml.parsers.DocumentBuilderFactory;
10		import javax.xml.parsers.ParserConfigurationException;
11
12		import net.sf.statcvs.output.ConfigurationOptions;
13		import net.sf.statsvn.output.SvnConfigurationOptions;
14
15		import org.w3c.dom.Document;
16		import org.w3c.dom.Element;
17		import org.w3c.dom.NodeList;
18
19		/**
20		* <p>
21		* CVS log files include lines modified for each commit and binary status of a
22		* file while SVN log files do not offer this additional information.
23		* </p>
24		*
25		* <p>
26		* StatSVN must query the Subversion repository for line counts using svn diff.
27		* However, this is very costly, performance-wise. Therefore, the decision was
28		* taken to persist this information in an XML file. This class receives
29		* information from (@link net.sf.statsvn.input.SvnXmlLineCountsFileHandler) to
30		* build a DOM-based xml structure. It also forwards line counts to the
31		* appropriate (@link net.sf.statsvn.input.FileBuilder).
32		* </p>
33		*
34		* @author Gunter Mussbacher <gunterm@site.uottawa.ca>
35		* @version $Id: CacheBuilder.java 351 2008-03-28 18:46:26Z benoitx $
36		*/
37		public class CacheBuilder {
38		private final SvnLogBuilder builder;
39
40		private final RepositoryFileManager repositoryFileManager;
41
42	3	private Element currentPath = null;
43
44	3	private Document document = null;
45
46		private String currentFilename;
47
48	3	private Element cache = null;
49
50		/**
51		* Constructs the LineCountsBuilder by giving it a reference to the builder
52		* currently in use.
53		*
54		* @param builder
55		* the SvnLogBuilder which contains all the FileBuilders.
56		*/
57	3	public CacheBuilder(final SvnLogBuilder builder, final RepositoryFileManager repositoryFileManager) {
58	3	this.builder = builder;
59	3	this.repositoryFileManager = repositoryFileManager;
60	3	}
61
62		/**
63		* Adds a path in the DOM. To be followed by invocations to (@link
64		* #addRevision(String, String, String))
65		*
66		* @param name
67		* the filename
68		* @param latestRevision
69		* the latest revision of the file for which the binary status is
70		* known
71		* @param binaryStatus
72		* binary status of latest revision
73		*/
74		private void addDOMPath(final String name, final String latestRevision, final String binaryStatus) {
75	3153	currentPath = document.createElement(CacheConfiguration.PATH);
76	3153	currentPath.setAttribute(CacheConfiguration.NAME, name);
77	3153	currentPath.setAttribute(CacheConfiguration.LATEST_REVISION, latestRevision);
78	3153	currentPath.setAttribute(CacheConfiguration.BINARY_STATUS, binaryStatus);
79	3153	cache.appendChild(currentPath);
80	3153	}
81
82		/**
83		* Updates the BINARY_STATUS and LATEST_REVISION attributes of a path in the
84		* DOM. Updates only if the revisionNumber is higher than current
85		* LATEST_REVISION of the path.
86		*
87		* @param path
88		* the path to be updated
89		* @param isBinary
90		* indicates if the revision is binary or not
91		* @param revisionNumber
92		* the revision number for which the binary status is valid
93		*/
94		private void updateDOMPath(final Element path, final boolean isBinary, final String revisionNumber) {
95	3153	int oldRevision = 0;
96	3153	int newRevision = -1;
97		try {
98	3153	oldRevision = Integer.parseInt(path.getAttribute(CacheConfiguration.LATEST_REVISION));
99	3153	newRevision = Integer.parseInt(revisionNumber);
100	0	} catch (final NumberFormatException e) {
101	0	SvnConfigurationOptions.getTaskLogger().log(
102		"Ignoring invalid revision number " + revisionNumber + " for " + path.getAttribute(CacheConfiguration.NAME));
103	0	newRevision = -1;
104	3153	}
105	3153	String binaryStatus = CacheConfiguration.NOT_BINARY;
106	3153	if (isBinary) {
107	438	binaryStatus = CacheConfiguration.BINARY;
108		}
109	3153	if (newRevision >= oldRevision) {
110	3153	path.setAttribute(CacheConfiguration.LATEST_REVISION, revisionNumber);
111	3153	path.setAttribute(CacheConfiguration.BINARY_STATUS, binaryStatus);
112		}
113	3153	}
114
115		/**
116		* Finds a path in the DOM.
117		*
118		* @param name
119		* the filename
120		* @return the path or null if the path does not exist
121		*/
122		private Element findDOMPath(final String name) {
123	0	if (currentPath != null && name.equals(currentPath.getAttribute(CacheConfiguration.NAME))) {
124	0	return currentPath;
125		}
126	0	final NodeList paths = cache.getChildNodes();
127	0	for (int i = 0; i < paths.getLength(); i++) {
128	0	final Element path = (Element) paths.item(i);
129	0	if (name.equals(path.getAttribute(CacheConfiguration.NAME))) {
130	0	return path;
131		}
132		}
133	0	return null;
134		}
135
136		/**
137		* Adds a revision to the current path in the DOM. To be preceeded by (@link
138		* #addPath(String))
139		*
140		* @param number
141		* the revision number
142		* @param added
143		* the number of lines that were added
144		* @param removed
145		* the number of lines that were removed
146		*/
147		private void addDOMRevision(final String number, final String added, final String removed, final String binaryStatus) {
148	11232	final Element revision = document.createElement(CacheConfiguration.REVISION);
149	11232	revision.setAttribute(CacheConfiguration.NUMBER, number);
150	11232	revision.setAttribute(CacheConfiguration.ADDED, added);
151	11232	revision.setAttribute(CacheConfiguration.REMOVED, removed);
152	11232	revision.setAttribute(CacheConfiguration.BINARY_STATUS, binaryStatus);
153	11232	currentPath.appendChild(revision);
154	11232	}
155
156		/**
157		* Initializes the builder for subsequent invocations of (@link
158		* #buildRevision(String, String, String)).
159		*
160		* @param name
161		* the filename
162		*/
163		public void buildPath(final String name, final String revision, final String binaryStatus) {
164	3153	currentFilename = repositoryFileManager.absoluteToRelativePath(name);
165	3153	addDOMPath(name, revision, binaryStatus);
166
167	3153	}
168
169		/**
170		* Given the file specified by the preceeding invocation to (@link
171		* #buildPath(String)), set the line counts for the given revision.
172		*
173		* If the path given in the preceeding invocation to (@link
174		* #buildPath(String)) is not used by the (@link SvnLogBuilder), this call
175		* does nothing.
176		*
177		* @param number
178		* the revision number
179		* @param added
180		* the number of lines added
181		* @param removed
182		* the number of lines removed.
183		*/
184		public void buildRevision(final String number, final String added, final String removed, final String binaryStatus) {
185	11232	if (!added.equals("-1") && !removed.equals("-1")) {
186	11232	addDOMRevision(number, added, removed, binaryStatus);
187	11232	builder.updateRevision(currentFilename, number, Integer.parseInt(added), Integer.parseInt(removed));
188		}
189	11232	}
190
191		/**
192		* Builds the DOM root.
193		*
194		* @throws ParserConfigurationException
195		*/
196		public void buildRoot() throws ParserConfigurationException {
197	3	final DocumentBuilderFactory factoryDOM = DocumentBuilderFactory.newInstance();
198		DocumentBuilder builderDOM;
199	3	builderDOM = factoryDOM.newDocumentBuilder();
200	3	document = builderDOM.newDocument();
201	3	cache = document.createElement(CacheConfiguration.CACHE);
202	3	cache.setAttribute(CacheConfiguration.PROJECT, ConfigurationOptions.getProjectName());
203	3	cache.setAttribute(CacheConfiguration.XML_VERSION, "1.0");
204	3	document.appendChild(cache);
205	3	}
206
207		/**
208		* Returns the DOM object when building is complete.
209		*
210		* @return the DOM document.
211		*/
212		public Document getDocument() {
213	3	return document;
214		}
215
216		/**
217		* Adds a revision to the DOM.
218		*
219		* Encapsulates calls to (@link #buildRoot()), (@link #buildPath(String)),
220		* and (@link #buildRevision(String, String, String)) into one easy to use
221		* interface.
222		*
223		*
224		* @param name
225		* the filename
226		* @param number
227		* the revision number
228		* @param added
229		* the number of lines added
230		* @param removed
231		* the number of lines removed
232		*/
233		public synchronized void newRevision(String name, final String number, final String added, final String removed, final boolean binaryStatus) {
234	0	name = repositoryFileManager.relativeToAbsolutePath(name);
235	0	checkDocument();
236	0	if (document != null) {
237	0	currentPath = findDOMPath(name);
238	0	if (currentPath == null) {
239		// changes currentPath to new one
240	0	addDOMPath(name, "0", CacheConfiguration.UNKNOWN);
241		}
242	0	String sBinaryStatus = CacheConfiguration.NOT_BINARY;
243	0	if (binaryStatus) {
244	0	sBinaryStatus = CacheConfiguration.BINARY;
245		}
246	0	addDOMRevision(number, added, removed, sBinaryStatus);
247		}
248	0	}
249
250		private void checkDocument() {
251	3	if (document == null) {
252		try {
253	0	buildRoot();
254	0	} catch (final ParserConfigurationException e) {
255	0	document = null;
256	0	}
257		}
258	3	}
259
260		/**
261		* Updates all paths in the DOM structure with the latest binary status
262		* information from the working folder.
263		*
264		* @param name
265		* the filename
266		* @param number
267		* the revision number
268		* @param added
269		* the number of lines added
270		* @param removed
271		* the number of lines removed
272		*/
273		public void updateBinaryStatus(final Collection fileBuilders, final String revisionNumber) {
274		// change data structure to a more appropriate one for lookup
275	3	final Map mFileBuilders = new HashMap();
276	3	for (final Iterator iter = fileBuilders.iterator(); iter.hasNext();) {
277	3153	final FileBuilder fileBuilder = (FileBuilder) iter.next();
278	3153	mFileBuilders.put(fileBuilder.getName(), fileBuilder);
279	3153	}
280	3	if (!mFileBuilders.isEmpty()) {
281		// go through all the paths in the DOM and update their binary
282		// status
283		// remove the fileBuilder once its corresponding path in the DOM was
284		// dealt with
285	3	checkDocument();
286	3	final NodeList paths = cache.getChildNodes();
287	3156	for (int i = 0; i < paths.getLength(); i++) {
288	3153	final Element path = (Element) paths.item(i);
289	3153	if (mFileBuilders.containsKey(repositoryFileManager.absoluteToRelativePath(path.getAttribute(CacheConfiguration.NAME)))) {
290	3153	final FileBuilder fileBuilder = (FileBuilder) mFileBuilders.get(repositoryFileManager.absoluteToRelativePath(path
291		.getAttribute(CacheConfiguration.NAME)));
292	3153	updateDOMPath(path, fileBuilder.isBinary(), revisionNumber);
293	3153	mFileBuilders.remove(repositoryFileManager.absoluteToRelativePath(path.getAttribute(CacheConfiguration.NAME)));
294		}
295		}
296		// go through remaining fileBuilders and add them to the DOM
297	3	final Collection cFileBuilders = mFileBuilders.values();
298	3	for (final Iterator iter = cFileBuilders.iterator(); iter.hasNext();) {
299	0	final FileBuilder fileBuilder = (FileBuilder) iter.next();
300	0	String binaryStatus = CacheConfiguration.NOT_BINARY;
301	0	if (fileBuilder.isBinary()) {
302	0	binaryStatus = CacheConfiguration.BINARY;
303		}
304	0	addDOMPath(repositoryFileManager.relativeToAbsolutePath(fileBuilder.getName()), revisionNumber, binaryStatus);
305	0	}
306		}
307
308	3	}
309
310		/**
311		* Checks the path's cached binary status.
312		*
313		* @param fileName
314		* the path to be checked
315		* @param revisionNumber
316		* the revision of the path to be checked
317		* @return true if the path's BINARY_STATUS is true and the revisionNumber
318		* is lower or equal to the path's LATEST_REVISION
319		*/
320		public synchronized boolean isBinary(final String fileName, final String revisionNumber) {
321	0	int latestRevision = 0;
322	0	int revisionToCheck = -1;
323	0	checkDocument();
324	0	final Element path = findDOMPath(repositoryFileManager.relativeToAbsolutePath(fileName));
325	0	if (path == null) {
326	0	return false;
327		}
328		try {
329	0	latestRevision = Integer.parseInt(path.getAttribute(CacheConfiguration.LATEST_REVISION));
330	0	revisionToCheck = Integer.parseInt(revisionNumber);
331	0	} catch (final NumberFormatException e) {
332	0	SvnConfigurationOptions.getTaskLogger().log(
333		"Ignoring invalid revision number " + revisionNumber + " for " + path.getAttribute(CacheConfiguration.NAME));
334	0	revisionToCheck = -1;
335	0	}
336	0	if (latestRevision >= revisionToCheck) {
337	0	final String binaryStatus = path.getAttribute(CacheConfiguration.BINARY_STATUS);
338	0	if (binaryStatus.equals(CacheConfiguration.BINARY)) {
339	0	return true;
340		}
341		}
342	0	return false;
343		}
344		}