Java tutorial
/*- * ========================LICENSE_START================================= * AEM Permission Management * %% * Copyright (C) 2013 Cognifide Limited * %% * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * =========================LICENSE_END================================== */ package com.cognifide.cq.cqsm.core.servlets; import com.cognifide.cq.cqsm.api.executors.Mode; import com.cognifide.cq.cqsm.api.logger.Progress; import com.cognifide.cq.cqsm.api.scripts.Script; import com.cognifide.cq.cqsm.api.scripts.ScriptFinder; import com.cognifide.cq.cqsm.api.scripts.ScriptManager; import com.cognifide.cq.cqsm.core.Cqsm; import com.cognifide.cq.cqsm.core.progress.ProgressHelper; import com.cognifide.cq.cqsm.core.utils.ServletUtils; import org.apache.commons.lang.StringUtils; import org.apache.felix.scr.annotations.Properties; import org.apache.felix.scr.annotations.Property; import org.apache.felix.scr.annotations.Reference; import org.apache.felix.scr.annotations.Service; import org.apache.felix.scr.annotations.sling.SlingServlet; import org.apache.sling.api.SlingHttpServletRequest; import org.apache.sling.api.SlingHttpServletResponse; import org.apache.sling.api.resource.ResourceResolver; import org.apache.sling.api.servlets.SlingAllMethodsServlet; import org.osgi.framework.Constants; import java.io.IOException; import javax.jcr.RepositoryException; import javax.servlet.ServletException; import javax.servlet.http.HttpServletResponse; @SlingServlet(paths = { "/bin/cqsm/run" }, methods = { "POST" }) @Service @Properties({ @Property(name = Constants.SERVICE_DESCRIPTION, value = "CQSM Run Servlet"), @Property(name = Constants.SERVICE_VENDOR, value = Cqsm.VENDOR_NAME) }) public class ScriptRunServlet extends SlingAllMethodsServlet { @Reference private ScriptManager scriptManager; @Reference private ScriptFinder scriptFinder; @Override protected void doPost(final SlingHttpServletRequest request, final SlingHttpServletResponse response) throws ServletException, IOException { ResourceResolver resolver = request.getResourceResolver(); final String searchPath = request.getParameter("file"); final String modeName = request.getParameter("mode"); if (StringUtils.isEmpty(searchPath)) { ServletUtils.writeMessage(response, "error", "Please set the script file name: -d \"file=[name]\""); return; } if (StringUtils.isEmpty(modeName)) { response.setStatus(HttpServletResponse.SC_BAD_REQUEST); ServletUtils.writeMessage(response, "error", "Running mode not specified."); return; } final Script script = scriptFinder.find(searchPath, resolver); if (script == null) { response.setStatus(HttpServletResponse.SC_NOT_FOUND); ServletUtils.writeMessage(response, "error", String.format("Script not found: %s", searchPath)); return; } try { final Mode mode = Mode.fromString(modeName, Mode.DRY_RUN); final Progress progressLogger = scriptManager.process(script, mode, resolver); if (progressLogger.isSuccess()) { ServletUtils.writeJson(response, ProgressHelper.toJson(progressLogger.getEntries())); } else { response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); ServletUtils.writeJson(response, ProgressHelper.toJson(progressLogger.getLastError())); } } catch (RepositoryException e) { response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); ServletUtils.writeMessage(response, "error", String .format("Script cannot be executed because of" + " repository error: %s", e.getMessage())); } } }