/*
* ====================================================================
* Copyright (c) 2004-2009 TMate Software Ltd. All rights reserved.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://svnkit.com/license.html.
* If newer versions of this license are posted there, you may use a
* newer version instead, at your option.
* ====================================================================
*/
package org.tmatesoft.svn.core.internal.io.dav.handlers;
import org.tmatesoft.svn.core.SVNErrorCode;
import org.tmatesoft.svn.core.SVNErrorMessage;
import org.tmatesoft.svn.core.SVNException;
import org.tmatesoft.svn.core.internal.io.dav.DAVElement;
import org.tmatesoft.svn.core.internal.util.SVNXMLUtil;
import org.tmatesoft.svn.core.internal.wc.SVNErrorManager;
import org.tmatesoft.svn.core.io.ISVNLocationSegmentHandler;
import org.tmatesoft.svn.core.io.SVNLocationSegment;
import org.tmatesoft.svn.core.io.SVNRepository;
import org.tmatesoft.svn.core.wc.SVNRevision;
import org.tmatesoft.svn.util.SVNLogType;
import org.xml.sax.Attributes;
/**
* @version 1.3
* @author TMate Software Ltd.
*/
public class DAVLocationSegmentsHandler extends BasicDAVHandler {
private static final DAVElement LOCATION_SEGMENTS_REPORT = DAVElement.getElement(DAVElement.SVN_NAMESPACE,
"get-location-segments-report");
private static final DAVElement LOCATION_SEGMENT = DAVElement.getElement(DAVElement.SVN_NAMESPACE,
"location-segment");
public static StringBuffer generateGetLocationSegmentsRequest(StringBuffer xmlBuffer, String path,
long pegRevision, long startRevision, long endRevision) {
xmlBuffer = xmlBuffer == null ? new StringBuffer() : xmlBuffer;
SVNXMLUtil.addXMLHeader(xmlBuffer);
SVNXMLUtil.openNamespaceDeclarationTag(SVNXMLUtil.SVN_NAMESPACE_PREFIX, "get-location-segments",
SVN_DAV_NAMESPACES_LIST, SVNXMLUtil.PREFIX_MAP, xmlBuffer);
SVNXMLUtil.openCDataTag(SVNXMLUtil.SVN_NAMESPACE_PREFIX, "path", path, xmlBuffer);
if (SVNRevision.isValidRevisionNumber(pegRevision)) {
SVNXMLUtil.openCDataTag(SVNXMLUtil.SVN_NAMESPACE_PREFIX, "peg-revision",
String.valueOf(pegRevision), xmlBuffer);
}
if (SVNRevision.isValidRevisionNumber(startRevision)) {
SVNXMLUtil.openCDataTag(SVNXMLUtil.SVN_NAMESPACE_PREFIX, "start-revision",
String.valueOf(startRevision), xmlBuffer);
}
if (SVNRevision.isValidRevisionNumber(endRevision)) {
SVNXMLUtil.openCDataTag(SVNXMLUtil.SVN_NAMESPACE_PREFIX, "end-revision",
String.valueOf(endRevision), xmlBuffer);
}
SVNXMLUtil.addXMLFooter(SVNXMLUtil.SVN_NAMESPACE_PREFIX, "get-location-segments", xmlBuffer);
return xmlBuffer;
}
private ISVNLocationSegmentHandler myLocationSegmentHandler;
private long myCount;
public DAVLocationSegmentsHandler(ISVNLocationSegmentHandler handler) {
myLocationSegmentHandler = handler;
init();
}
public long getTotalRevisions() {
return myCount;
}
protected void startElement(DAVElement parent, DAVElement element, Attributes attrs) throws SVNException {
if (parent == LOCATION_SEGMENTS_REPORT && element == LOCATION_SEGMENT) {
long rangeStart = SVNRepository.INVALID_REVISION;
long rangeEnd = SVNRepository.INVALID_REVISION;
String path = attrs.getValue("path");
if (path != null) {
path = "/" + path;
}
String revStr = attrs.getValue("range-start");
if (revStr != null) {
try {
rangeStart = Long.parseLong(revStr);
} catch (NumberFormatException nfe) {
SVNErrorManager.error(SVNErrorMessage.create(SVNErrorCode.RA_DAV_MALFORMED_DATA, nfe), SVNLogType.NETWORK);
}
}
revStr = attrs.getValue("range-end");
if (revStr != null) {
try {
rangeEnd = Long.parseLong(revStr);
} catch (NumberFormatException nfe) {
SVNErrorManager.error(SVNErrorMessage.create(SVNErrorCode.RA_DAV_MALFORMED_DATA, nfe), SVNLogType.NETWORK);
}
}
if (SVNRevision.isValidRevisionNumber(rangeStart) && SVNRevision.isValidRevisionNumber(rangeEnd)) {
if (myLocationSegmentHandler != null) {
myLocationSegmentHandler.handleLocationSegment(new SVNLocationSegment(rangeStart, rangeEnd,
path));
myCount += rangeEnd - rangeStart + 1;
}
} else {
SVNErrorMessage err = SVNErrorMessage.create(SVNErrorCode.RA_DAV_MALFORMED_DATA,
"Expected valid revision range");
SVNErrorManager.error(err, SVNLogType.NETWORK);
}
}
}
protected void endElement(DAVElement parent, DAVElement element, StringBuffer cdata) throws SVNException {
}
}