Revision 1439
Added by Jing Tao over 21 years ago
| src/edu/ucsb/nceas/metacat/DocumentImpl.java | ||
|---|---|---|
| 835 | 835 |
public void toXml(Writer pw, String user, String[] groups) |
| 836 | 836 |
throws McdbException |
| 837 | 837 |
{
|
| 838 |
TreeSet nodeRecordLists = null; |
|
| 838 | 839 |
PrintWriter out = null; |
| 839 | 840 |
if (pw instanceof PrintWriter) {
|
| 840 | 841 |
out = (PrintWriter)pw; |
| ... | ... | |
| 851 | 852 |
|
| 852 | 853 |
if (!unaccessableSubTree.isEmpty()) |
| 853 | 854 |
{
|
| 854 |
Enumeration en = unaccessableSubTree.elements(); |
|
| 855 |
while (en.hasMoreElements()) |
|
| 856 |
{
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| 857 |
SubTree tree = (SubTree)en.nextElement(); |
|
| 858 |
//System.out.println("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
|
|
| 859 |
//System.out.println("subtree id pull out: "+tree.getSubTreeId());
|
|
| 860 |
//System.out.println("start node id: "+tree.getStartNodeId());
|
|
| 861 |
//System.out.println("end node id: "+tree.getEndNodeId());
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|
| 862 |
} |
|
| 855 |
|
|
| 856 |
nodeRecordLists = getPartNodeRecordList(rootnodeid, unaccessableSubTree); |
|
| 857 |
|
|
| 863 | 858 |
} |
| 864 |
|
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| 865 |
// First, check that we have the needed node data, and get it if not |
|
| 866 |
if (nodeRecordList == null) |
|
| 859 |
else |
|
| 867 | 860 |
{
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| 868 |
nodeRecordList = getNodeRecordList(rootnodeid); |
|
| 861 |
nodeRecordLists = getNodeRecordList(rootnodeid);
|
|
| 869 | 862 |
} |
| 870 | 863 |
|
| 871 | 864 |
Stack openElements = new Stack(); |
| ... | ... | |
| 873 | 866 |
boolean previousNodeWasElement = false; |
| 874 | 867 |
|
| 875 | 868 |
// Step through all of the node records we were given |
| 876 |
Iterator it = nodeRecordList.iterator(); |
|
| 877 |
while (it.hasNext()) {
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|
| 869 |
|
|
| 870 |
Iterator it = nodeRecordLists.iterator(); |
|
| 871 |
|
|
| 872 |
while (it.hasNext()) |
|
| 873 |
{
|
|
| 874 |
|
|
| 878 | 875 |
NodeRecord currentNode = (NodeRecord)it.next(); |
| 879 |
//util.debugMessage("[Got Node ID: " + currentNode.nodeid +
|
|
| 880 |
//" (" + currentNode.parentnodeid +
|
|
| 881 |
//", " + currentNode.nodeindex +
|
|
| 882 |
//", " + currentNode.nodetype +
|
|
| 883 |
//", " + currentNode.nodename +
|
|
| 884 |
//", " + currentNode.nodedata + ")]");
|
|
| 876 |
util.debugMessage("[Got Node ID: " + currentNode.nodeid +
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|
| 877 |
" (" + currentNode.parentnodeid +
|
|
| 878 |
", " + currentNode.nodeindex + |
|
| 879 |
", " + currentNode.nodetype + |
|
| 880 |
", " + currentNode.nodename + |
|
| 881 |
", " + currentNode.nodedata + ")]", 50);
|
|
| 885 | 882 |
// Print the end tag for the previous node if needed |
| 886 | 883 |
// |
| 887 | 884 |
// This is determined by inspecting the parent nodeid for the |
| ... | ... | |
| 994 | 991 |
} |
| 995 | 992 |
out.flush(); |
| 996 | 993 |
} |
| 997 |
|
|
| 994 |
|
|
| 998 | 995 |
// Print the final end tag for the root element |
| 999 | 996 |
while(!openElements.empty()) |
| 1000 | 997 |
{
|
| ... | ... | |
| 1221 | 1218 |
docid.getIdentifier(), docid.getRev()); |
| 1222 | 1219 |
} |
| 1223 | 1220 |
} |
| 1221 |
|
|
| 1222 |
/** |
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| 1223 |
* Look up the node data from the database, but some node would be shown |
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| 1224 |
* because of access control |
|
| 1225 |
* @param rootnodeid the id of the root node of the node tree to look up |
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| 1226 |
* @param accessControl the hashtable has control info |
|
| 1227 |
*/ |
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| 1228 |
private TreeSet getPartNodeRecordList(long rootnodeid, |
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| 1229 |
Hashtable accessControl) |
|
| 1230 |
throws McdbException |
|
| 1231 |
{
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| 1232 |
PreparedStatement pstmt = null; |
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| 1233 |
DBConnection dbconn = null; |
|
| 1234 |
int serialNumber = -1; |
|
| 1235 |
TreeSet nodeRecordList = new TreeSet(new NodeComparator()); |
|
| 1236 |
long nodeid = 0; |
|
| 1237 |
long parentnodeid = 0; |
|
| 1238 |
long nodeindex = 0; |
|
| 1239 |
String nodetype = null; |
|
| 1240 |
String nodename = null; |
|
| 1241 |
String nodeprefix = null; |
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| 1242 |
String nodedata = null; |
|
| 1243 |
String quotechar = dbAdapter.getStringDelimiter(); |
|
| 1244 |
String sql = "SELECT nodeid,parentnodeid,nodeindex, " + |
|
| 1245 |
"nodetype,nodename,nodeprefix,nodedata " + |
|
| 1246 |
"FROM xml_nodes WHERE rootnodeid = ?"; |
|
| 1247 |
|
|
| 1248 |
// go through the access control for some nodes |
|
| 1249 |
Enumeration en = accessControl.elements(); |
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| 1250 |
while (en.hasMoreElements()) |
|
| 1251 |
{
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|
| 1252 |
SubTree tree = (SubTree)en.nextElement(); |
|
| 1253 |
long startId = tree.getStartNodeId(); |
|
| 1254 |
long endId = tree.getEndNodeId(); |
|
| 1255 |
sql = sql +" AND(nodeid < " + startId + " OR nodeid > " +endId +")"; |
|
| 1256 |
|
|
| 1257 |
} |
|
| 1258 |
MetaCatUtil.debugMessage("The final query to select part node tree: " +
|
|
| 1259 |
sql, 25); |
|
| 1224 | 1260 |
|
| 1261 |
try |
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| 1262 |
{
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|
| 1263 |
dbconn=DBConnectionPool. |
|
| 1264 |
getDBConnection("DocumentImpl.getPartNodeRecordList");
|
|
| 1265 |
serialNumber=dbconn.getCheckOutSerialNumber(); |
|
| 1266 |
pstmt = dbconn.prepareStatement(sql); |
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| 1267 |
|
|
| 1268 |
// Bind the values to the query |
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| 1269 |
pstmt.setLong(1, rootnodeid); |
|
| 1270 |
pstmt.execute(); |
|
| 1271 |
ResultSet rs = pstmt.getResultSet(); |
|
| 1272 |
boolean tableHasRows = rs.next(); |
|
| 1273 |
while (tableHasRows) |
|
| 1274 |
{
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|
| 1275 |
nodeid = rs.getLong(1); |
|
| 1276 |
parentnodeid = rs.getLong(2); |
|
| 1277 |
nodeindex = rs.getLong(3); |
|
| 1278 |
nodetype = rs.getString(4); |
|
| 1279 |
nodename = rs.getString(5); |
|
| 1280 |
nodeprefix = rs.getString(6); |
|
| 1281 |
nodedata = rs.getString(7); |
|
| 1282 |
nodedata = MetaCatUtil.normalize(nodedata); |
|
| 1283 |
// add the data to the node record list hashtable |
|
| 1284 |
NodeRecord currentRecord = new NodeRecord(nodeid,parentnodeid,nodeindex, |
|
| 1285 |
nodetype, nodename, nodeprefix, nodedata); |
|
| 1286 |
nodeRecordList.add(currentRecord); |
|
| 1287 |
|
|
| 1288 |
// Advance to the next node |
|
| 1289 |
tableHasRows = rs.next(); |
|
| 1290 |
} |
|
| 1291 |
pstmt.close(); |
|
| 1292 |
|
|
| 1293 |
} |
|
| 1294 |
catch (SQLException e) |
|
| 1295 |
{
|
|
| 1296 |
throw new McdbException("Error in DocumentImpl.getPartNodeRecordList " +
|
|
| 1297 |
e.getMessage()); |
|
| 1298 |
} |
|
| 1299 |
finally |
|
| 1300 |
{
|
|
| 1301 |
try |
|
| 1302 |
{
|
|
| 1303 |
pstmt.close(); |
|
| 1304 |
} |
|
| 1305 |
catch (SQLException ee) |
|
| 1306 |
{
|
|
| 1307 |
MetaCatUtil.debugMessage("error in DocumentImpl.getPartNodeRecordList: "
|
|
| 1308 |
+ee.getMessage(), 30); |
|
| 1309 |
} |
|
| 1310 |
finally |
|
| 1311 |
{
|
|
| 1312 |
DBConnectionPool.returnDBConnection(dbconn, serialNumber); |
|
| 1313 |
} |
|
| 1314 |
} |
|
| 1315 |
|
|
| 1316 |
|
|
| 1317 |
if (!nodeRecordList.isEmpty()) |
|
| 1318 |
{
|
|
| 1319 |
|
|
| 1320 |
return nodeRecordList; |
|
| 1321 |
} |
|
| 1322 |
else |
|
| 1323 |
{
|
|
| 1324 |
|
|
| 1325 |
throw new McdbException("Error getting node data: " + docid);
|
|
| 1326 |
} |
|
| 1327 |
} |
|
| 1328 |
|
|
| 1225 | 1329 |
/** |
| 1226 | 1330 |
* Look up the node data from the database |
| 1227 | 1331 |
* |
| ... | ... | |
| 1298 | 1402 |
} |
| 1299 | 1403 |
|
| 1300 | 1404 |
|
| 1301 |
if (nodeRecordList != null) {
|
|
| 1405 |
if (!nodeRecordList.isEmpty()) {
|
|
| 1302 | 1406 |
return nodeRecordList; |
| 1303 | 1407 |
} else {
|
| 1304 | 1408 |
throw new McdbException("Error getting node data: " + docid);
|
Also available in: Unified diff
Add code to handle read part of tree. Now the subtree access control for reading works.