Revision 355
Added by berkley over 24 years ago
| src/edu/ucsb/nceas/metacat/MetaCatServlet.java | ||
|---|---|---|
| 156 | 156 |
*/ |
| 157 | 157 |
private void handleGetOrPost(HttpServletRequest request, |
| 158 | 158 |
HttpServletResponse response) |
| 159 |
throws ServletException, IOException {
|
|
| 159 |
throws ServletException, IOException |
|
| 160 |
{
|
|
| 160 | 161 |
|
| 161 | 162 |
if ( util == null ) {
|
| 162 | 163 |
util = new MetaCatUtil(); |
| ... | ... | |
| 197 | 198 |
//out.println(name + " => " + value[0]); |
| 198 | 199 |
params.put(name,value); |
| 199 | 200 |
} |
| 200 |
|
|
| 201 |
// Determine what type of request the user made |
|
| 202 |
// if the action parameter is set, use it as a default |
|
| 203 |
// but if the ypos param is set, calculate the action needed |
|
| 204 |
String action = ((String[])params.get("action"))[0];
|
|
| 205 |
long ypos = 0; |
|
| 206 |
try {
|
|
| 207 |
ypos = (new Long(((String[])params.get("ypos"))[0]).longValue());
|
|
| 208 |
//out.println("<P>YPOS IS " + ypos);
|
|
| 209 |
if (ypos <= 13) {
|
|
| 210 |
action = "getdocument"; |
|
| 211 |
} else if (ypos > 13 && ypos <= 27) {
|
|
| 212 |
action = "validate"; |
|
| 213 |
} else if (ypos > 27) {
|
|
| 214 |
action = "transform"; |
|
| 215 |
//} else {
|
|
| 216 |
// action = ""; |
|
| 217 |
} |
|
| 218 |
} catch (Exception npe) {
|
|
| 219 |
//out.println("<P>Caught exception looking for Y value.");
|
|
| 201 |
|
|
| 202 |
//if the user clicked on the input images, decode which image |
|
| 203 |
//was clicked then set the action. |
|
| 204 |
String action = decodeMouseAction(params); |
|
| 205 |
if(action.equals("error"))
|
|
| 206 |
{
|
|
| 207 |
action = ((String[])params.get("action"))[0];
|
|
| 220 | 208 |
} |
| 221 |
|
|
| 209 |
|
|
| 222 | 210 |
// Jivka added |
| 223 | 211 |
// handle login action |
| 224 | 212 |
if (action.equals("Login") || action.equals("Login Client")) {
|
| ... | ... | |
| 277 | 265 |
// Close the stream to the client |
| 278 | 266 |
out.close(); |
| 279 | 267 |
} |
| 268 |
|
|
| 269 |
/** |
|
| 270 |
* decodes the mouse click information coming from the client. |
|
| 271 |
* This function may be overwritten to provide specific functionality |
|
| 272 |
* for different applications. |
|
| 273 |
* @param params the parameters from the CGI |
|
| 274 |
* @return action the action to be performed or "error" if an error was |
|
| 275 |
* generated |
|
| 276 |
*/ |
|
| 277 |
private String decodeMouseAction(Hashtable params) |
|
| 278 |
{
|
|
| 279 |
// Determine what type of request the user made |
|
| 280 |
// if the action parameter is set, use it as a default |
|
| 281 |
// but if the ypos param is set, calculate the action needed |
|
| 282 |
String action=null; |
|
| 283 |
long ypos = 0; |
|
| 284 |
try {
|
|
| 285 |
ypos = (new Long(((String[])params.get("ypos"))[0]).longValue());
|
|
| 286 |
//out.println("<P>YPOS IS " + ypos);
|
|
| 287 |
if (ypos <= 13) {
|
|
| 288 |
action = "getdocument"; |
|
| 289 |
} else if (ypos > 13 && ypos <= 27) {
|
|
| 290 |
action = "validate"; |
|
| 291 |
} else if (ypos > 27) {
|
|
| 292 |
action = "transform"; |
|
| 293 |
} |
|
| 294 |
return action; |
|
| 295 |
} catch (Exception npe) {
|
|
| 296 |
//out.println("<P>Caught exception looking for Y value.");
|
|
| 297 |
return "error"; |
|
| 298 |
} |
|
| 299 |
} |
|
| 280 | 300 |
|
| 281 | 301 |
// Jivka added |
| 282 | 302 |
/** |
| ... | ... | |
| 455 | 475 |
} |
| 456 | 476 |
} |
| 457 | 477 |
|
| 478 |
/** |
|
| 479 |
* Transforms a hashtable of documents to an xml or html result. |
|
| 480 |
* @param doclist- the hashtable to transform |
|
| 481 |
* @param qformat- the format to transform the results into |
|
| 482 |
* @param xmlquery- the query that returned the dolist result |
|
| 483 |
* @param out- the printwriter object used to write to the client |
|
| 484 |
* @param response- the response stream to write back to the client. |
|
| 485 |
*/ |
|
| 458 | 486 |
private void transformDocument(Hashtable doclist, String qformat, |
| 459 | 487 |
String xmlquery, PrintWriter out, |
| 460 | 488 |
HttpServletResponse response) |
| ... | ... | |
| 900 | 928 |
|
| 901 | 929 |
/** |
| 902 | 930 |
* '$Log$ |
| 931 |
* 'Revision 1.68 2000/08/14 21:28:54 berkley |
|
| 932 |
* '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. |
|
| 933 |
* ' |
|
| 903 | 934 |
* 'Revision 1.67 2000/08/14 20:43:27 jones |
| 904 | 935 |
* 'Updated build process to now use a copy of the source files so that keyword |
| 905 | 936 |
* '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.