Revision 355
Added by berkley almost 24 years ago
| src/edu/ucsb/nceas/metacat/MetaCatServlet.java | ||
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| 156 | 156 |
*/ |
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private void handleGetOrPost(HttpServletRequest request, |
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HttpServletResponse response) |
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throws ServletException, IOException {
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throws ServletException, IOException |
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{
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if ( util == null ) {
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util = new MetaCatUtil(); |
| ... | ... | |
| 197 | 198 |
//out.println(name + " => " + value[0]); |
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params.put(name,value); |
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} |
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// Determine what type of request the user made |
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// if the action parameter is set, use it as a default |
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// but if the ypos param is set, calculate the action needed |
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String action = ((String[])params.get("action"))[0];
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long ypos = 0; |
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try {
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ypos = (new Long(((String[])params.get("ypos"))[0]).longValue());
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//out.println("<P>YPOS IS " + ypos);
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if (ypos <= 13) {
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action = "getdocument"; |
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} else if (ypos > 13 && ypos <= 27) {
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action = "validate"; |
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} else if (ypos > 27) {
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action = "transform"; |
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//} else {
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// action = ""; |
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} |
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} catch (Exception npe) {
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//out.println("<P>Caught exception looking for Y value.");
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//if the user clicked on the input images, decode which image |
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//was clicked then set the action. |
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String action = decodeMouseAction(params); |
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if(action.equals("error"))
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{
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action = ((String[])params.get("action"))[0];
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} |
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// Jivka added |
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// handle login action |
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if (action.equals("Login") || action.equals("Login Client")) {
|
| ... | ... | |
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// Close the stream to the client |
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out.close(); |
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} |
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/** |
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* decodes the mouse click information coming from the client. |
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* This function may be overwritten to provide specific functionality |
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* for different applications. |
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* @param params the parameters from the CGI |
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* @return action the action to be performed or "error" if an error was |
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* generated |
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*/ |
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private String decodeMouseAction(Hashtable params) |
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{
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// Determine what type of request the user made |
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// if the action parameter is set, use it as a default |
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// but if the ypos param is set, calculate the action needed |
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String action=null; |
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long ypos = 0; |
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try {
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ypos = (new Long(((String[])params.get("ypos"))[0]).longValue());
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//out.println("<P>YPOS IS " + ypos);
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if (ypos <= 13) {
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action = "getdocument"; |
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} else if (ypos > 13 && ypos <= 27) {
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action = "validate"; |
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} else if (ypos > 27) {
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action = "transform"; |
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} |
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return action; |
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} catch (Exception npe) {
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//out.println("<P>Caught exception looking for Y value.");
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return "error"; |
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} |
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} |
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// Jivka added |
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/** |
| ... | ... | |
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} |
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} |
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/** |
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* Transforms a hashtable of documents to an xml or html result. |
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* @param doclist- the hashtable to transform |
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* @param qformat- the format to transform the results into |
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* @param xmlquery- the query that returned the dolist result |
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* @param out- the printwriter object used to write to the client |
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* @param response- the response stream to write back to the client. |
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*/ |
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private void transformDocument(Hashtable doclist, String qformat, |
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String xmlquery, PrintWriter out, |
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HttpServletResponse response) |
| ... | ... | |
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/** |
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* '$Log$ |
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* 'Revision 1.68 2000/08/14 21:28:54 berkley |
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* 'Broke up handleQueryAction into handleQuery, handleSQuery, runQuery and transformDocument. handleQueryAction is now a base function which makes calls to each of these functions to create, run and transform a query from CGI parameters. |
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* ' |
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* 'Revision 1.67 2000/08/14 20:43:27 jones |
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* 'Updated build process to now use a copy of the source files so that keyword |
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* 'substitution can ocur before the build. This allows for substitution of |
Also available in: Unified diff
Added decodeMouseAction(Hashtable) to decode the mouse click action outside of handleGetOrPost to allow for easy modification of images in a different application.