Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ package com.glaf.activiti.web.springmvc; import java.io.IOException; import java.util.zip.ZipInputStream; import org.activiti.engine.repository.ProcessDefinition; import org.apache.commons.lang3.StringUtils; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.multipart.MultipartFile; import com.glaf.activiti.service.ActivitiDeployQueryService; import com.glaf.activiti.service.ActivitiDeployService; import com.glaf.activiti.service.ActivitiProcessQueryService; import com.glaf.activiti.util.ProcessUtils; import com.glaf.core.config.ViewProperties; import com.glaf.core.util.FileUtils; import com.glaf.core.util.IOUtils; @Controller("/activiti/deploy") @RequestMapping("/activiti/deploy") public class ActivitiDeployController { protected final static Log logger = LogFactory.getLog(ActivitiDeployController.class); protected ActivitiDeployService activitiDeployService; protected ActivitiDeployQueryService activitiDeployQueryService; protected ActivitiProcessQueryService activitiProcessQueryService; /** * * @param model * @param mFile * @return * @throws IOException */ @RequestMapping(method = RequestMethod.POST) public String processSubmit(Model model, @RequestParam("file") MultipartFile mFile) throws IOException { if (!mFile.isEmpty()) { String deploymentId = null; ProcessDefinition processDefinition = null; if (mFile.getOriginalFilename().endsWith(".zip") || mFile.getOriginalFilename().endsWith(".jar")) { ZipInputStream zipInputStream = null; try { zipInputStream = new ZipInputStream(mFile.getInputStream()); deploymentId = activitiDeployService.addZipInputStream(zipInputStream).getId(); } finally { IOUtils.closeStream(zipInputStream); } } else { String resourceName = FileUtils.getFilename(mFile.getOriginalFilename()); deploymentId = activitiDeployService.addInputStream(resourceName, mFile.getInputStream()).getId(); } if (StringUtils.isNotEmpty(deploymentId)) { logger.debug("deploymentId:" + deploymentId); processDefinition = activitiProcessQueryService.getProcessDefinitionByDeploymentId(deploymentId); if (processDefinition != null) { model.addAttribute("processDefinition", processDefinition); model.addAttribute("deploymentId", processDefinition.getDeploymentId()); String resourceName = processDefinition.getDiagramResourceName(); if (resourceName != null) { ProcessUtils.saveProcessImageToFileSystem(processDefinition); String path = "/deploy/bpmn/" + ProcessUtils.getImagePath(processDefinition); model.addAttribute("path", path); return "/activiti/deploy/showImage"; } } } } String view = ViewProperties.getString("activiti.deploy"); if (StringUtils.isNotEmpty(view)) { return view; } return "/activiti/deploy/deploy"; } @javax.annotation.Resource public void setActivitiDeployService(ActivitiDeployService activitiDeployService) { this.activitiDeployService = activitiDeployService; } @javax.annotation.Resource public void setActivitiDeployQueryService(ActivitiDeployQueryService activitiDeployQueryService) { this.activitiDeployQueryService = activitiDeployQueryService; } @javax.annotation.Resource public void setActivitiProcessQueryService(ActivitiProcessQueryService activitiProcessQueryService) { this.activitiProcessQueryService = activitiProcessQueryService; } @RequestMapping(method = RequestMethod.GET) public String showDeploy(Model model) { String view = ViewProperties.getString("activiti.showDeploy"); if (StringUtils.isNotEmpty(view)) { return view; } return "/activiti/deploy/showDeploy"; } }