Java tutorial
/** * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * @author Arne Kepp / The Open Planning Project 2008 */ package org.geowebcache.rest.seed; import java.io.UnsupportedEncodingException; import java.net.URLDecoder; import java.text.NumberFormat; import java.util.HashMap; import java.util.Iterator; import java.util.LinkedList; import java.util.List; import java.util.Locale; import java.util.Map; import java.util.Map.Entry; import java.util.Set; import java.util.TreeMap; import org.geowebcache.GeoWebCacheException; import org.geowebcache.filter.parameters.FloatParameterFilter; import org.geowebcache.filter.parameters.ParameterFilter; import org.geowebcache.filter.parameters.RegexParameterFilter; import org.geowebcache.filter.parameters.StringParameterFilter; import org.geowebcache.grid.BoundingBox; import org.geowebcache.grid.GridSubset; import org.geowebcache.layer.TileLayer; import org.geowebcache.mime.ImageMime; import org.geowebcache.mime.MimeType; import org.geowebcache.rest.GWCRestlet; import org.geowebcache.rest.RestletException; import org.geowebcache.seed.GWCTask; import org.geowebcache.seed.GWCTask.STATE; import org.geowebcache.seed.GWCTask.TYPE; import org.geowebcache.seed.SeedRequest; import org.geowebcache.seed.TileBreeder; import org.geowebcache.storage.TileRange; import org.geowebcache.util.ServletUtils; import org.restlet.data.Form; import org.restlet.data.MediaType; import org.restlet.data.Method; import org.restlet.data.Request; import org.restlet.data.Response; import org.restlet.data.Status; import org.springframework.util.Assert; /** * */ public class SeedFormRestlet extends GWCRestlet { // private static Log log = LogFactory.getLog(org.geowebcache.rest.seed.SeedFormRestlet.class); private TileBreeder seeder; public void handle(Request request, Response response) { Method met = request.getMethod(); try { if (met.equals(Method.GET)) { doGet(request, response); } else if (met.equals(Method.POST)) { try { doPost(request, response); } catch (GeoWebCacheException e) { throw new RestletException(e.getMessage(), Status.CLIENT_ERROR_BAD_REQUEST); } } else { throw new RestletException("Method not allowed", Status.CLIENT_ERROR_METHOD_NOT_ALLOWED); } } catch (RestletException re) { response.setEntity(re.getRepresentation()); response.setStatus(re.getStatus()); } } public void doGet(Request request, Response response) throws RestletException { // String layerName = (String) request.getAttributes().get("layer"); String layerName = null; try { layerName = URLDecoder.decode((String) request.getAttributes().get("layer"), "UTF-8"); } catch (UnsupportedEncodingException uee) { } TileLayer tl; try { tl = seeder.findTileLayer(layerName); } catch (GeoWebCacheException e) { throw new RestletException(e.getMessage(), Status.CLIENT_ERROR_BAD_REQUEST); } handleDoGet(response, tl, false); } private void handleDoGet(Response response, TileLayer tl, boolean listAllTasks) { response.setEntity(makeFormPage(tl, listAllTasks), MediaType.TEXT_HTML); } public void doPost(Request req, Response resp) throws RestletException, GeoWebCacheException { final TileLayer tl; { String layerName = null; if (req.getAttributes().containsKey("layer")) { try { layerName = URLDecoder.decode((String) req.getAttributes().get("layer"), "UTF-8"); } catch (UnsupportedEncodingException uee) { throw new RuntimeException(uee); } try { tl = seeder.findTileLayer(layerName); } catch (GeoWebCacheException e) { throw new RestletException(e.getMessage(), Status.CLIENT_ERROR_BAD_REQUEST); } } else { tl = null; } } Form form = req.getEntityAsForm(); if (form == null) { throw new RestletException("Unable to parse form result.", Status.CLIENT_ERROR_BAD_REQUEST); } if (form.getFirst("list") != null) { if (tl == null) { throw new RestletException("No layer specified", Status.CLIENT_ERROR_BAD_REQUEST); } boolean listAllTasks = "all".equals(form.getFirst("list").getValue()); handleDoGet(resp, tl, listAllTasks); } else if (form.getFirst("kill_thread") != null) { handleKillThreadPost(form, tl, resp); } else if (form.getFirst("kill_all") != null) { handleKillAllThreadsPost(form, tl, resp); } else if (form.getFirst("minX") != null) { if (tl == null) { throw new RestletException("No layer specified", Status.CLIENT_ERROR_BAD_REQUEST); } handleDoSeedPost(form, tl, resp); } else { throw new RestletException( "Unknown or malformed request. Please try again, somtimes the form " + "is not properly received. This frequently happens on the first POST " + "after a restart. The POST was to " + req.getResourceRef().getPath(), Status.CLIENT_ERROR_BAD_REQUEST); } } private String makeFormPage(TileLayer tl, boolean listAllTasks) { StringBuilder doc = new StringBuilder(); makeHeader(doc); makeTaskList(doc, tl, listAllTasks); makeWarningsAndHints(doc, tl); makeFormHeader(doc, tl); makeThreadCountPullDown(doc); makeTypePullDown(doc); makeGridSetPulldown(doc, tl); makeFormatPullDown(doc, tl); makeZoomStartPullDown(doc, tl); makeZoomStopPullDown(doc, tl); makeModifiableParameters(doc, tl); makeBboxFields(doc); makeSubmit(doc); makeFormFooter(doc); makeFooter(doc); return doc.toString(); } private void makeModifiableParameters(StringBuilder doc, TileLayer tl) { List<ParameterFilter> parameterFilters = tl.getParameterFilters(); if (parameterFilters == null || parameterFilters.size() == 0) { return; } doc.append("<tr><td>Modifiable Parameters:</td><td>\n"); doc.append("<table>"); for (ParameterFilter pf : parameterFilters) { Assert.notNull(pf); String key = pf.getKey(); String defaultValue = pf.getDefaultValue(); List<String> legalValues = pf.getLegalValues(); doc.append("<tr><td>").append(key.toUpperCase()).append(": ").append("</td><td>"); String parameterId = "parameter_" + key; if (pf instanceof StringParameterFilter) { Map<String, String> keysValues = makeParametersMap(defaultValue, legalValues); makePullDown(doc, parameterId, keysValues, defaultValue); } else if (pf instanceof RegexParameterFilter) { makeTextInput(doc, parameterId, 25); } else if (pf instanceof FloatParameterFilter) { FloatParameterFilter floatFilter = (FloatParameterFilter) pf; if (floatFilter.getValues().isEmpty()) { // accepts any value makeTextInput(doc, parameterId, 25); } else { Map<String, String> keysValues = makeParametersMap(defaultValue, legalValues); makePullDown(doc, parameterId, keysValues, defaultValue); } } else if ("org.geowebcache.filter.parameters.NaiveWMSDimensionFilter" .equals(pf.getClass().getName())) { makeTextInput(doc, parameterId, 25); } else { throw new IllegalStateException("Unknown parameter filter type for layer '" + tl.getName() + "': " + pf.getClass().getName()); } doc.append("</td></tr>"); } doc.append("</table>"); doc.append("</td></tr>\n"); } private Map<String, String> makeParametersMap(String defaultValue, List<String> legalValues) { Map<String, String> map = new TreeMap<String, String>(); for (String s : legalValues) { map.put(s, s); } map.put(defaultValue, defaultValue); return map; } private String makeResponsePage(TileLayer tl) { StringBuilder doc = new StringBuilder(); makeHeader(doc); doc.append("<h3>Task submitted</h3>\n"); doc.append( "<p>Below you can find a list of currently executing tasks, take the numbers with a grain of salt"); doc.append(" until the task has had a chance to run for a few minutes. "); makeTaskList(doc, tl, false); makeFooter(doc); return doc.toString(); } private void makeTypePullDown(StringBuilder doc) { doc.append("<tr><td>Type of operation:</td><td>\n"); Map<String, String> keysValues = new TreeMap<String, String>(); keysValues.put("Truncate - remove tiles", "truncate"); keysValues.put("Seed - generate missing tiles", "seed"); keysValues.put("Reseed - regenerate all tiles", "reseed"); makePullDown(doc, "type", keysValues, "Seed - generate missing tiles"); doc.append("</td></tr>\n"); } private void makeThreadCountPullDown(StringBuilder doc) { doc.append("<tr><td>Number of tasks to use:</td><td>\n"); Map<String, String> keysValues = new TreeMap<String, String>(); for (int i = 1; i < 17; i++) { if (i < 10) { keysValues.put("0" + Integer.toString(i), "0" + Integer.toString(i)); } else { keysValues.put(Integer.toString(i), Integer.toString(i)); } } makePullDown(doc, "threadCount", keysValues, Integer.toString(2)); doc.append("</td></tr>\n"); } private void makeBboxFields(StringBuilder doc) { doc.append("<tr><td valign=\"top\">Bounding box:</td><td>\n"); makeTextInput(doc, "minX", 6); makeTextInput(doc, "minY", 6); makeTextInput(doc, "maxX", 6); makeTextInput(doc, "maxY", 6); doc.append("</br>These are optional, approximate values are fine."); doc.append("</td></tr>\n"); } private void makeBboxHints(StringBuilder doc, TileLayer tl) { for (String gridSetId : tl.getGridSubsets()) { GridSubset subset = tl.getGridSubset(gridSetId); doc.append("<li>" + gridSetId + ": " + subset.getOriginalExtent().toString() + "</li>\n"); } } private void makeTextInput(StringBuilder doc, String id, int size) { doc.append("<input name=\"" + id + "\" type=\"text\" size=\"" + size + "\" />\n"); } private void makeSubmit(StringBuilder doc) { doc.append("<tr><td></td><td><input type=\"submit\" value=\"Submit\"></td></tr>\n"); } private void makeZoomStopPullDown(StringBuilder doc, TileLayer tl) { doc.append("<tr><td>Zoom stop:</td><td>\n"); makeZoomPullDown(doc, false, tl); doc.append("</td></tr>\n"); } private void makeZoomStartPullDown(StringBuilder doc, TileLayer tl) { doc.append("<tr><td>Zoom start:</td><td>\n"); makeZoomPullDown(doc, true, tl); doc.append("</td></tr>\n"); } private void makeZoomPullDown(StringBuilder doc, boolean isStart, TileLayer tl) { Map<String, String> keysValues = new TreeMap<String, String>(); int minStart = Integer.MAX_VALUE; int maxStop = Integer.MIN_VALUE; for (String gridSetId : tl.getGridSubsets()) { GridSubset subset = tl.getGridSubset(gridSetId); int start = subset.getZoomStart(); int stop = subset.getZoomStop(); if (start < minStart) { minStart = start; } if (stop > maxStop) { maxStop = stop; } } for (int i = minStart; i <= maxStop; i++) { if (i < 10) { keysValues.put("0" + Integer.toString(i), "0" + Integer.toString(i)); } else { keysValues.put(Integer.toString(i), Integer.toString(i)); } } if (isStart) { if (minStart < 10) { makePullDown(doc, "zoomStart", keysValues, "0" + Integer.toString(minStart)); } else { makePullDown(doc, "zoomStart", keysValues, Integer.toString(minStart)); } } else { int midStop = (minStart + maxStop) / 2; if (midStop < 10) { makePullDown(doc, "zoomStop", keysValues, "0" + Integer.toString(midStop)); } else { makePullDown(doc, "zoomStop", keysValues, Integer.toString(midStop)); } } } private void makeFormatPullDown(StringBuilder doc, TileLayer tl) { doc.append("<tr><td>Format:</td><td>\n"); Map<String, String> keysValues = new TreeMap<String, String>(); Iterator<MimeType> iter = tl.getMimeTypes().iterator(); while (iter.hasNext()) { MimeType mime = iter.next(); keysValues.put(mime.getFormat(), mime.getFormat()); } makePullDown(doc, "format", keysValues, ImageMime.png.getFormat()); doc.append("</td></tr>\n"); } private void makeGridSetPulldown(StringBuilder doc, TileLayer tl) { doc.append("<tr><td>Grid Set:</td><td>\n"); Map<String, String> keysValues = new TreeMap<String, String>(); String firstGridSetId = null; for (String gridSetId : tl.getGridSubsets()) { if (firstGridSetId == null) { firstGridSetId = gridSetId; } keysValues.put(gridSetId, gridSetId); } makePullDown(doc, "gridSetId", keysValues, firstGridSetId); doc.append("</td></tr>\n"); } private void makePullDown(StringBuilder doc, String id, Map<String, String> keysValues, String defaultKey) { doc.append("<select name=\"" + id + "\">\n"); Iterator<Entry<String, String>> iter = keysValues.entrySet().iterator(); while (iter.hasNext()) { Entry<String, String> entry = iter.next(); if (entry.getKey().equals(defaultKey)) { doc.append("<option value=\"" + entry.getValue() + "\" selected=\"selected\">" + entry.getKey() + "</option>\n"); } else { doc.append("<option value=\"" + entry.getValue() + "\">" + entry.getKey() + "</option>\n"); } } doc.append("</select>\n"); } private void makeFormHeader(StringBuilder doc, TileLayer tl) { doc.append("<h4>Create a new task:</h4>\n"); doc.append("<form id=\"seed\" action=\"./" + tl.getName() + "\" method=\"post\">\n"); doc.append("<table border=\"0\" cellspacing=\"10\">\n"); } private void makeFormFooter(StringBuilder doc) { doc.append("</table>\n"); doc.append("</form>\n"); } private void makeHeader(StringBuilder doc) { doc.append("<html>\n" + ServletUtils.gwcHtmlHeader("GWC Seed Form") + "<body>\n" + ServletUtils.gwcHtmlLogoLink("../../")); } private void makeWarningsAndHints(StringBuilder doc, TileLayer tl) { doc.append("<h4>Please note:</h4><ul>\n" + "<li>This minimalistic interface does not check for correctness.</li>\n" + "<li>Seeding past zoomlevel 20 is usually not recommended.</li>\n" + "<li>Truncating KML will also truncate all KMZ archives.</li>\n" + "<li>Please check the logs of the container to look for error messages and progress indicators.</li>\n" + "</ul>\n"); doc.append("Here are the max bounds, if you do not specify bounds these will be used.\n"); doc.append("<ul>\n"); makeBboxHints(doc, tl); doc.append("</ul>\n"); } private void makeTaskList(StringBuilder doc, TileLayer tl, boolean listAll) { doc.append(makeKillallThreadsForm(tl, listAll)); doc.append("<h4>List of currently executing tasks:</h4>\n"); Iterator<GWCTask> iter = seeder.getRunningAndPendingTasks(); boolean tasks = false; if (!iter.hasNext()) { doc.append("<ul><li><i>none</i></li></ul>\n"); } else { doc.append("<table border=\"0\">"); doc.append( "<tr style=\"font-weight: bold;\"><td style=\"padding-right:20px;\">Id</td><td style=\"padding-right:20px;\">Layer</td><td style=\"padding-right:20px;\">Status</td><td style=\"padding-right:20px;\">Type</td><td>Estimated # of tiles</td>" + "<td style=\"padding-right:20px;\">Tiles completed</td><td style=\"padding-right:20px;\">Time elapsed</td><td>Time remaining</td><td>Tasks</td><td> </td>"); doc.append("</tr>"); tasks = true; } int row = 0; final String layerName = tl.getName(); while (iter.hasNext()) { GWCTask task = iter.next(); if (!listAll && !layerName.equals(task.getLayerName())) { continue; } final long spent = task.getTimeSpent(); final long remining = task.getTimeRemaining(); final long tilesDone = task.getTilesDone(); final long tilesTotal = task.getTilesTotal(); NumberFormat nf = NumberFormat.getInstance(Locale.ENGLISH); nf.setGroupingUsed(true); final String tilesTotalStr; if (tilesTotal < 0) { tilesTotalStr = "Too many to count"; } else { tilesTotalStr = nf.format(tilesTotal); } final String tilesDoneStr = nf.format(task.getTilesDone()); final STATE state = task.getState(); final String status = STATE.UNSET.equals(state) || STATE.READY.equals(state) ? "PENDING" : state.toString(); String timeSpent = toTimeString(spent, tilesDone, tilesTotal); String timeRemaining = toTimeString(remining, tilesDone, tilesTotal); String bgColor = ++row % 2 == 0 ? "#FFFFFF" : "#DDDDDD"; doc.append("<tr style=\"background-color:" + bgColor + ";\">"); doc.append("<td style=\"text-align:right\">").append(task.getTaskId()).append("</td>"); doc.append("<td>"); if (!layerName.equals(task.getLayerName())) { doc.append("<a href=\"./").append(task.getLayerName()).append("\">"); } doc.append(task.getLayerName()); if (!layerName.equals(task.getLayerName())) { doc.append("</a>"); } doc.append("</td>"); doc.append("<td>").append(status).append("</td>"); doc.append("<td>").append(task.getType()).append("</td>"); doc.append("<td>").append(tilesTotalStr).append("</td>"); doc.append("<td>").append(tilesDoneStr).append("</td>"); doc.append("<td>").append(timeSpent).append("</td>"); doc.append("<td>").append(timeRemaining).append("</td>"); doc.append("<td>(Task ").append(task.getThreadOffset() + 1).append(" of ").append(task.getThreadCount()) .append(") </td>"); doc.append("<td>").append(makeThreadKillForm(task.getTaskId(), tl)).append("</td>"); doc.append("<tr>"); } if (tasks) { doc.append("</table>"); } doc.append("<p><a href=\"./" + layerName + "\">Refresh list</a></p>\n"); } private String toTimeString(long timeSeconds, final long tilesDone, final long tilesTotal) { String timeString; if (tilesDone < 50) { timeString = " Estimating..."; } else { final int MINUTE_SECONDS = 60; final int HOUR_SECONDS = MINUTE_SECONDS * 60; final int DAY_SECONDS = HOUR_SECONDS * 24; if (timeSeconds == -2 && tilesDone < tilesTotal) { timeString = " A decade or three."; } else { if (timeSeconds > DAY_SECONDS) { timeString = (timeSeconds / DAY_SECONDS) + " day(s) "; timeString += ((timeSeconds % DAY_SECONDS) / HOUR_SECONDS) + "h)"; } else if (timeSeconds > HOUR_SECONDS) { long hours = timeSeconds / HOUR_SECONDS; long minutes = (timeSeconds % HOUR_SECONDS) / MINUTE_SECONDS; timeString = hours + " hour" + (hours > 1 ? "s " : " "); timeString += minutes == 0 ? "" : (minutes + " m"); } else if (timeSeconds > MINUTE_SECONDS) { long minutes = timeSeconds / MINUTE_SECONDS; long seconds = timeSeconds % MINUTE_SECONDS; timeString = minutes + " minute" + (minutes > 1 ? "s " : " "); timeString += seconds == 0 ? "" : seconds + " s"; } else { timeString = timeSeconds + " second" + (timeSeconds == 1 ? "" : "s"); } } } return timeString; } private String makeThreadKillForm(Long key, TileLayer tl) { String ret = "<form form id=\"kill\" action=\"./" + tl.getName() + "\" method=\"post\">" + "<input type=\"hidden\" name=\"kill_thread\" value=\"1\" />" + "<input type=\"hidden\" name=\"thread_id\" value=\"" + key + "\" />" + "<span><input style=\"padding: 0; margin-bottom: -12px; border: 1;\"type=\"submit\" value=\"Kill Task\"></span>" + "</form>"; return ret; } private String makeKillallThreadsForm(TileLayer tl, boolean listAll) { StringBuilder doc = new StringBuilder(); final String layerName = tl.getName(); int otherLayersTaskCount = 0; if (!listAll) { Iterator<GWCTask> tasks = seeder.getRunningAndPendingTasks(); while (tasks.hasNext()) { if (!layerName.equals(tasks.next().getLayerName())) { otherLayersTaskCount++; } } } doc.append("<table><tr><td>"); doc.append("<form form id=\"list\" action=\"./").append(layerName).append("\" method=\"post\">\n"); doc.append("List "); doc.append("<select name=\"list\" onchange=\"this.form.submit();\">\n"); doc.append("<option value=\"layer\"").append(listAll ? "" : " selected") .append(">this Layer tasks</option>\n"); doc.append("<option value=\"all\"").append(listAll ? " selected" : "") .append(">all Layers tasks</option>\n"); doc.append("</select>\n"); if (!listAll) { doc.append(" (there are "); if (otherLayersTaskCount > 0) { doc.append(otherLayersTaskCount); } else { doc.append("no"); } doc.append(" tasks for other Layers)"); } doc.append("</form>\n"); doc.append("</td></tr><tr><td>"); doc.append("<form form id=\"kill\" action=\"./").append(layerName).append("\" method=\"post\">\n"); doc.append("<span>Kill \n"); doc.append("<select name=\"kill_all\">\n"); doc.append("<option value=\"all\">all</option>\n"); doc.append("<option value=\"running\">running</option>\n"); doc.append("<option value=\"pending\">pending</option>\n"); doc.append("</select>\n"); doc.append(" Tasks for Layer '").append(layerName).append("'."); doc.append("<input type=\"submit\" value=\" Submit\">"); doc.append("</span>\n"); doc.append("</form>\n"); doc.append("</td></tr></table>"); return doc.toString(); } private void makeFooter(StringBuilder doc) { doc.append("</body></html>\n"); } private void handleKillAllThreadsPost(Form form, TileLayer tl, Response resp) throws RestletException { final boolean allLayers = tl == null; String killCode = form.getFirst("kill_all").getValue(); final Iterator<GWCTask> tasks; if ("1".equals(killCode) || "running".equalsIgnoreCase(killCode)) { killCode = "running"; tasks = seeder.getRunningTasks(); } else if ("pending".equalsIgnoreCase(killCode)) { tasks = seeder.getPendingTasks(); } else if ("all".equalsIgnoreCase(killCode)) { tasks = seeder.getRunningAndPendingTasks(); } else { throw new RestletException( "Unknown kill_all code: '" + killCode + "'. One of all|running|pending is expected.", Status.CLIENT_ERROR_BAD_REQUEST); } List<GWCTask> terminatedTasks = new LinkedList<GWCTask>(); List<GWCTask> nonTerminatedTasks = new LinkedList<GWCTask>(); while (tasks.hasNext()) { GWCTask task = tasks.next(); String layerName = task.getLayerName(); if (!allLayers && !tl.getName().equals(layerName)) { continue; } long taskId = task.getTaskId(); boolean terminated = seeder.terminateGWCTask(taskId); if (terminated) { terminatedTasks.add(task); } else { nonTerminatedTasks.add(task); } } StringBuilder doc = new StringBuilder(); makeHeader(doc); doc.append("<p>Requested to terminate ").append(killCode).append(" tasks."); doc.append("Terminated tasks: <ul>"); for (GWCTask t : terminatedTasks) { doc.append("<li>").append(t).append("</li>"); } doc.append("</ul>Tasks already finished: <ul>"); for (GWCTask t : nonTerminatedTasks) { doc.append("<li>").append(t).append("</li>"); } if (tl != null) { doc.append("</ul><p><a href=\"./" + tl.getName() + "\">Go back</a></p>\n"); } resp.setEntity(doc.toString(), MediaType.TEXT_HTML); } private void handleKillThreadPost(Form form, TileLayer tl, Response resp) { String id = form.getFirstValue("thread_id"); StringBuilder doc = new StringBuilder(); makeHeader(doc); if (seeder.terminateGWCTask(Long.parseLong(id))) { doc.append("<ul><li>Requested to terminate task " + id + ".</li></ul>"); } else { doc.append("<ul><li>Sorry, either task " + id + " has not started yet, or it is a truncate task that cannot be interrutped.</li></ul>"); ; } if (tl != null) { doc.append("<p><a href=\"./" + tl.getName() + "\">Go back</a></p>\n"); } resp.setEntity(doc.toString(), MediaType.TEXT_HTML); } private void handleDoSeedPost(Form form, TileLayer tl, Response resp) throws RestletException, GeoWebCacheException { BoundingBox bounds = null; if (form.getFirst("minX").getValue() != null) { bounds = new BoundingBox(parseDouble(form, "minX"), parseDouble(form, "minY"), parseDouble(form, "maxX"), parseDouble(form, "maxY")); } String gridSetId = form.getFirst("gridSetId").getValue(); int threadCount = Integer.parseInt(form.getFirst("threadCount").getValue()); int zoomStart = Integer.parseInt(form.getFirst("zoomStart").getValue()); int zoomStop = Integer.parseInt(form.getFirst("zoomStop").getValue()); String format = form.getFirst("format").getValue(); Map<String, String> fullParameters; { Map<String, String> parameters = new HashMap<String, String>(); Set<String> paramNames = form.getNames(); String prefix = "parameter_"; for (String name : paramNames) { if (name.startsWith(prefix)) { String paramName = name.substring(prefix.length()); String value = form.getFirstValue(name); parameters.put(paramName, value); } } fullParameters = tl.getModifiableParameters(parameters, "UTF-8"); } TYPE type = GWCTask.TYPE.valueOf(form.getFirst("type").getValue().toUpperCase()); final String layerName = tl.getName(); SeedRequest sr = new SeedRequest(layerName, bounds, gridSetId, threadCount, zoomStart, zoomStop, format, type, fullParameters); TileRange tr = TileBreeder.createTileRange(sr, tl); GWCTask[] tasks; try { tasks = seeder.createTasks(tr, tl, sr.getType(), sr.getThreadCount(), sr.getFilterUpdate()); } catch (GeoWebCacheException e) { throw new RestletException(e.getMessage(), Status.SERVER_ERROR_INTERNAL); } seeder.dispatchTasks(tasks); // Give the thread executor a chance to run try { Thread.sleep(500); } catch (InterruptedException e) { // Ok, no worries } resp.setEntity(this.makeResponsePage(tl), MediaType.TEXT_HTML); } private static double parseDouble(Form form, String key) throws RestletException { String value = form.getFirst(key).getValue(); if (value == null || value.length() == 0) throw new RestletException("Missing value for " + key, Status.CLIENT_ERROR_BAD_REQUEST); try { return Double.parseDouble(value); } catch (NumberFormatException nfe) { throw new RestletException("Value for " + key + " is not a double", Status.CLIENT_ERROR_BAD_REQUEST); } } public void setTileBreeder(TileBreeder seeder) { this.seeder = seeder; } }