protected void startElement(DAVElement parent, DAVElement element, Attributes attrs)
throws SVNException {
if (element == FILE_REVISION) {
myPath = attrs.getValue("path");
myRevision = Long.parseLong(attrs.getValue("rev"));
} else if (element == REVISION_PROPERTY
|| element == SET_PROPERTY
|| element == DELETE_PROPERTY) {
myPropertyName = attrs.getValue("name");
myPropertyEncoding = attrs.getValue("encoding");
}
if (element == TX_DELTA) {
// handle file revision with props.
if (myPath != null && myFileRevisionsHandler != null) {
if (myProperties == null) {
myProperties = Collections.EMPTY_MAP;
}
if (myPropertiesDelta == null) {
myPropertiesDelta = Collections.EMPTY_MAP;
}
SVNFileRevision revision =
new SVNFileRevision(myPath, myRevision, myProperties, myPropertiesDelta);
myFileRevisionsHandler.openRevision(revision);
myProperties = null;
myPropertiesDelta = null;
myPath = null;
myFileRevisionsHandler.applyTextDelta(myPath, null);
}
setDeltaProcessing(true);
}
}
protected void endElement(DAVElement parent, DAVElement element, StringBuffer cdata)
throws SVNException {
if (element == FILE_REVISION) {
if (myPath != null && myFileRevisionsHandler != null) {
// handle file revision if was not handled yet (no tx delta).
if (myProperties == null) {
myProperties = Collections.EMPTY_MAP;
}
if (myPropertiesDelta == null) {
myPropertiesDelta = Collections.EMPTY_MAP;
}
SVNFileRevision revision =
new SVNFileRevision(myPath, myRevision, myProperties, myPropertiesDelta);
myFileRevisionsHandler.openRevision(revision);
}
// handle close revision with props?
if (myFileRevisionsHandler != null) {
myFileRevisionsHandler.closeRevision(myPath);
}
myPath = null;
myProperties = null;
myPropertiesDelta = null;
myPropertyEncoding = null;
myPropertyName = null;
} else if (element == TX_DELTA) {
setDeltaProcessing(false);
myCount++;
} else if (element == REVISION_PROPERTY) {
if (myProperties == null) {
myProperties = new HashMap();
}
myProperties.put(myPropertyName, cdata != null ? cdata.toString() : "");
myPropertyName = null;
} else if (element == SET_PROPERTY) {
if (myPropertiesDelta == null) {
myPropertiesDelta = new HashMap();
}
if (myPropertyName != null) {
String value;
if ("base64".equals(myPropertyEncoding)) {
byte[] bytes = allocateBuffer(cdata.length());
int length =
SVNBase64.base64ToByteArray(new StringBuffer(cdata.toString().trim()), bytes);
try {
value = new String(bytes, 0, length, "UTF-8");
} catch (UnsupportedEncodingException e) {
value = new String(bytes, 0, length);
}
} else {
value = cdata.toString();
}
myPropertiesDelta.put(myPropertyName, value);
}
myPropertyName = null;
myPropertyEncoding = null;
} else if (element == DELETE_PROPERTY) {
if (myPropertiesDelta == null) {
myPropertiesDelta = new HashMap();
}
if (myPropertyName != null) {
myPropertiesDelta.put(myPropertyName, null);
}
myPropertyEncoding = null;
myPropertyName = null;
}
}
public int getFileRevisions(
String path, long sRevision, long eRevision, ISVNFileRevisionHandler handler)
throws SVNException {
Long srev = getRevisionObject(sRevision);
Long erev = getRevisionObject(eRevision);
int count = 0;
SVNDeltaReader deltaReader = new SVNDeltaReader();
try {
openConnection();
Object[] buffer = new Object[] {"get-file-revs", getRepositoryPath(path), srev, erev};
write("(w(s(n)(n)))", buffer);
authenticate();
buffer = new Object[5];
while (true) {
SVNFileRevision fileRevision = null;
boolean skipDelta = false;
try {
buffer = read("(SN(*P)(*Z)?S", buffer, false);
if (buffer[4] != null && ((String) buffer[4]).length() == 0) {
buffer[4] = null;
skipDelta = true;
} else {
read(")", null, false);
}
count++;
} catch (SVNException e) {
read("x", buffer, true);
read("[()]", buffer, true);
return count;
}
String name = null;
if (handler != null) {
name = (String) buffer[0];
long revision = SVNReader.getLong(buffer, 1);
Map properties = SVNReader.getMap(buffer, 2);
Map propertiesDelta = SVNReader.getMap(buffer, 3);
if (name != null) {
fileRevision = new SVNFileRevision(name, revision, properties, propertiesDelta);
}
buffer[2] = null;
buffer[3] = null;
}
if (handler != null && fileRevision != null) {
handler.openRevision(fileRevision);
}
if (skipDelta) {
if (handler != null) {
handler.closeRevision(name == null ? path : name);
}
continue;
}
boolean windowRead = false;
while (true) {
byte[] line = (byte[]) read("?W?B", buffer, true)[1];
if (line == null) {
// may be failure
read("[]", buffer, true);
break;
} else if (line.length == 0) {
// empty line, delta end.
break;
}
// apply delta here.
if (!windowRead) {
if (handler != null) {
handler.applyTextDelta(name == null ? path : name, null);
windowRead = true;
}
}
deltaReader.nextWindow(line, 0, line.length, name == null ? path : name, handler);
}
deltaReader.reset(name == null ? path : name, handler);
if (windowRead) {
handler.textDeltaEnd(name == null ? path : name);
}
if (handler != null) {
handler.closeRevision(name == null ? path : name);
}
}
} catch (SVNException e) {
closeSession();
handleUnsupportedCommand(e, "'get-file-revs' not implemented");
} finally {
closeConnection();
}
return -1;
}
