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com.adobe.acs.commons.workflow.bulk.execution.impl.servlets.StartServlet Maven / Gradle / Ivy
/*
* #%L
* ACS AEM Commons Bundle
* %%
* Copyright (C) 2013 Adobe
* %%
* 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.
* #L%
*/
package com.adobe.acs.commons.workflow.bulk.execution.impl.servlets;
import com.adobe.acs.commons.workflow.bulk.execution.BulkWorkflowEngine;
import com.adobe.acs.commons.workflow.bulk.execution.impl.TransientWorkflowUtil;
import com.adobe.acs.commons.workflow.bulk.execution.impl.runners.AEMTransientWorkflowRunnerImpl;
import com.adobe.acs.commons.workflow.bulk.execution.impl.runners.AEMWorkflowRunnerImpl;
import com.adobe.acs.commons.workflow.bulk.execution.impl.runners.FastActionManagerRunnerImpl;
import com.adobe.acs.commons.workflow.bulk.execution.model.Config;
import com.google.gson.Gson;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import org.apache.commons.lang.StringUtils;
import org.apache.felix.scr.annotations.Reference;
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.ModifiableValueMap;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.servlets.SlingAllMethodsServlet;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.jcr.RepositoryException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import static com.adobe.acs.commons.json.JsonObjectUtil.*;
/**
* ACS AEM Commons - Bulk Workflow Manager - Start Servlet
*/
@SuppressWarnings("serial")
@SlingServlet(
methods = {"POST"},
resourceTypes = {BulkWorkflowEngine.SLING_RESOURCE_TYPE},
selectors = {"start"},
extensions = {"json"}
)
public class StartServlet extends SlingAllMethodsServlet {
private static final Logger log = LoggerFactory.getLogger(StartServlet.class);
@Reference
private transient BulkWorkflowEngine bulkWorkflowEngine;
@Override
@SuppressWarnings({"squid:S1192", "squid:S1872"})
protected final void doPost(SlingHttpServletRequest request, SlingHttpServletResponse response)
throws ServletException, IOException {
response.setContentType("application/json");
response.setCharacterEncoding("UTF-8");
try {
final JsonObject params = new JsonParser().parse(request.getParameter("params")).getAsJsonObject();
final ModifiableValueMap properties = request.getResource().adaptTo(ModifiableValueMap.class);
properties.put("runnerType", getString(params, "runnerType"));
properties.put("queryType", getString(params, "queryType"));
properties.put("queryStatement", getString(params, "queryStatement"));
properties.put("relativePath", StringUtils.removeStart(getString(params, "relativePath", ""), "/"));
properties.put("workflowModel", getString(params, "workflowModelId"));
properties.put("interval", getInteger(params, "interval", 10));
properties.put("timeout", getInteger(params, "timeout", 30));
properties.put("throttle", getInteger(params, "throttle", 10));
properties.put("retryCount", getInteger(params,"retryCount", 0));
properties.put("batchSize", getInteger(params,"batchSize", 10));
String userEventData = getString(params, "userEventData");
if (userEventData != null && !userEventData.isEmpty()) {
properties.put("userEventData", userEventData);
}
properties.put("purgeWorkflow", getBoolean(params, "purgeWorkflow", false));
properties.put("autoThrottle", getBoolean(params, "autoThrottle", true));
if (AEMWorkflowRunnerImpl.class.getName().equals(properties.get("runnerType", String.class))
&& TransientWorkflowUtil.isTransient(request.getResourceResolver(), properties.get("workflowModel", String.class))) {
properties.put("runnerType", AEMTransientWorkflowRunnerImpl.class.getName());
}
// If FAM retires are enabled, then force BatchSize to be 1
if (FastActionManagerRunnerImpl.class.getName().equals(properties.get("runnerType", ""))
&& properties.get("retryCount", 0) > 0) {
properties.put("batchSize", 1);
}
request.getResourceResolver().commit();
Config config = request.getResource().adaptTo(Config.class);
bulkWorkflowEngine.initialize(config);
bulkWorkflowEngine.start(config);
response.sendRedirect(request.getResourceResolver().map(request, request.getResource().getPath()) + ".status.json");
} catch (RepositoryException e) {
log.error("Could not initialize Bulk Workflow: {}", e);
JSONErrorUtil.sendJSONError(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"Could not initialize Bulk Workflow.",
e.getMessage());
} catch (IllegalArgumentException e) {
log.warn("Could not initialize Bulk Workflow due to invalid arguments: {}", e);
JSONErrorUtil.sendJSONError(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"Could not initialize Bulk Workflow due to invalid arguments.",
e.getMessage());
} catch (Exception e) {
log.error("Could not initialize Bulk Workflow due to unexpected error: {}", e);
JSONErrorUtil.sendJSONError(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"Could not start Bulk Workflow.",
e.getMessage());
}
}
}