Revision 2113
Added by Matt Jones about 20 years ago
| MetaCatServlet.java | ||
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| 38 | 38 |
import java.sql.PreparedStatement; |
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import java.sql.ResultSet; |
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import java.sql.SQLException; |
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import java.sql.Timestamp; |
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import java.text.ParseException; |
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import java.text.SimpleDateFormat; |
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import java.util.Enumeration; |
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import java.util.Hashtable; |
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import java.util.PropertyResourceBundle; |
| ... | ... | |
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* action=getdataguide -- retrieve a Data Guide <br> |
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* action=getprincipals -- retrieve a list of principals in XML <br> |
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* datadoc -- data document name (id) <br> |
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* action=getlog -- get a report of events that have occurred in the system<br> |
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* ipAddress -- filter on one or more IP addresses<br> |
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* principal -- filter on one or more principals (LDAP DN syntax)<br> |
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* docid -- filter on one or more document identifiers (with revision)<br> |
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* event -- filter on event type (e.g., read, insert, update, delete)<br> |
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* start -- filter out events before the start date-time<br> |
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* end -- filter out events before the end date-time<br> |
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* <p> |
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* The particular combination of parameters that are valid for each particular |
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* action value is quite specific. This documentation will be reorganized to |
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{
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// Close all db connection |
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System.out.println("Destroying MetacatServlet");
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connPool.release();
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DBConnectionPool.release();
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} |
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/** Handle "GET" method requests from HTTP clients */ |
| ... | ... | |
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PrintWriter out = response.getWriter(); |
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out.println(Version.getVersionAsXml()); |
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out.close(); |
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} else if (action.equals("getlog")) {
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handleGetLogAction(params, request, response); |
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} else if (action.equals("login") || action.equals("logout")) {
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} else if (action.equals("protocoltest")) {
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String testURL = "metacat://dev.nceas.ucsb.edu/NCEAS.897766.9"; |
| ... | ... | |
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DocumentImpl doc = new DocumentImpl(docid); |
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//check the permission for read |
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if (!doc.hasReadPermission(user, groups, docid)) {
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if (!DocumentImpl.hasReadPermission(user, groups, docid)) {
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Exception e = new Exception("User " + user
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+ " does not have permission" |
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+ " to read the document with the docid " + docid); |
| ... | ... | |
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DocumentImpl doc = new DocumentImpl(docid); |
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//check the permission for read |
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if (!doc.hasReadPermission(user, groups, docid)) {
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if (!DocumentImpl.hasReadPermission(user, groups, docid)) {
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Exception e = new Exception("User " + user
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+ " does not have " |
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+ "permission to read the document with the docid " |
| ... | ... | |
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out.println(e.getMessage()); |
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out.println("</error>");
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} |
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} |
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/** |
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* Print a report from the event log based on filter parameters passed in |
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* from the web. |
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* |
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* TODO: make sure urlencoding of timestamp params is working |
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* |
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* @param params the parameters from the web request |
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* @param request the http request object for getting request details |
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* @param response the http response object for writing output |
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*/ |
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private void handleGetLogAction(Hashtable params, HttpServletRequest request, |
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HttpServletResponse response) |
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{
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// Get all of the parameters in the correct formats |
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String[] ipAddress = (String[])params.get("ipaddress");
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String[] principal = (String[])params.get("principal");
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String[] docid = (String[])params.get("docid");
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String[] event = (String[])params.get("event");
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String[] startArray = (String[]) params.get("start");
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String[] endArray = (String[]) params.get("end");
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String start = null; |
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String end = null; |
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if (startArray != null) {
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start = startArray[0]; |
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} |
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if (endArray != null) {
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end = endArray[0]; |
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} |
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Timestamp startDate = null; |
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Timestamp endDate = null; |
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SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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try {
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if (start != null) {
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startDate = new Timestamp((format.parse(start)).getTime()); |
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} |
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if (end != null) {
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endDate = new Timestamp((format.parse(end)).getTime()); |
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} |
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} catch (ParseException e) {
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System.out.println("Failed to created Timestamp from input.");
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} |
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// Request the report by passing the filter parameters |
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try {
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response.setContentType("text/xml");
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PrintWriter out = response.getWriter(); |
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out.println(EventLog.getInstance().getReport(ipAddress, principal, |
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docid, event, startDate, endDate)); |
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out.close(); |
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} catch (IOException e) {
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MetaCatUtil.debugMessage( |
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"Could not open http response for writing: " |
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+ e.getMessage(), 5); |
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} |
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} |
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/** |
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* Handle documents passed to metacat that are encoded using the |
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* "multipart/form-data" mime type. This is typically used for uploading |
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* data files which may be binary and large. |
Also available in: Unified diff
Added the EventLog functionality to the servlet as action=getlog. Valid parameters are ipAddress, principal, docid, event, start, end. All parameters can be repeated except start and end.