com.glaf.jbpm.web.springmvc.MxJbpmProcessTreeController.java Source code

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Here is the source code for com.glaf.jbpm.web.springmvc.MxJbpmProcessTreeController.java

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/*
 * 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.jbpm.web.springmvc;

import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jbpm.JbpmContext;
import org.jbpm.db.GraphSession;
import org.jbpm.graph.def.ProcessDefinition;
import org.jbpm.taskmgmt.def.Task;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

import com.glaf.core.config.ViewProperties;
import com.glaf.core.util.RequestUtils;
import com.glaf.jbpm.container.ProcessContainer;
import com.glaf.jbpm.context.Context;

@Controller("/jbpm/tree")
@RequestMapping("/jbpm/tree")
public class MxJbpmProcessTreeController {
    protected final static Log logger = LogFactory.getLog(MxJbpmProcessTreeController.class);

    @RequestMapping("/exttree")
    public ModelAndView exttree(HttpServletRequest request) {
        String jx_view = request.getParameter("jx_view");

        if (StringUtils.isNotEmpty(jx_view)) {
            return new ModelAndView(jx_view);
        }

        String x_view = ViewProperties.getString("jbpm_tree.exttree");
        if (StringUtils.isNotEmpty(x_view)) {
            return new ModelAndView(x_view);
        }
        return new ModelAndView("/jbpm/tree/exttree");
    }

    @RequestMapping("/json")
    public ModelAndView json(HttpServletRequest request) {
        RequestUtils.setRequestParameterToAttribute(request);
        String node = request.getParameter("node");
        String process_name = null;
        String processDefinitionId = null;
        if (StringUtils.isNotEmpty(node)) {
            if (StringUtils.startsWith(node, "x_pdid:")) {
                processDefinitionId = StringUtils.replace(node, "x_pdid:", "");
            } else if (StringUtils.startsWith(node, "x_pdname:")) {
                process_name = StringUtils.replace(node, "x_pdname:", "");
            }
        }
        logger.debug("process_name:" + process_name);
        logger.debug("processDefinitionId:" + processDefinitionId);
        List<ProcessDefinition> result = null;
        GraphSession graphSession = null;
        JbpmContext jbpmContext = null;
        try {
            jbpmContext = ProcessContainer.getContainer().createJbpmContext();
            graphSession = jbpmContext.getGraphSession();
            if (StringUtils.isNotEmpty(process_name)) {
                result = graphSession.findAllProcessDefinitionVersions(process_name);
            } else {
                result = graphSession.findAllProcessDefinitions();
            }
            if (StringUtils.isNotEmpty(processDefinitionId) && StringUtils.isNumeric(processDefinitionId)) {
                ProcessDefinition pd = graphSession.getProcessDefinition(Long.parseLong(processDefinitionId));
                if (pd != null) {
                    Map<String, Task> tasks = pd.getTaskMgmtDefinition().getTasks();
                    if (tasks != null) {
                        List<Task> rows = new java.util.ArrayList<Task>();
                        Iterator<Task> iterator = tasks.values().iterator();
                        while (iterator.hasNext()) {
                            Task task = iterator.next();
                            rows.add(task);
                        }
                        request.setAttribute("tasks", rows);
                        request.setAttribute("processDefinition", pd);
                    }
                }
            }
            request.setAttribute("rows", result);
        } catch (Exception ex) {
            logger.debug(ex);
        } finally {
            Context.close(jbpmContext);
        }

        String jx_view = request.getParameter("jx_view");

        if (StringUtils.isNotEmpty(jx_view)) {
            return new ModelAndView(jx_view);
        }

        String x_view = ViewProperties.getString("jbpm_tree.json");
        if (StringUtils.isNotEmpty(x_view)) {
            return new ModelAndView(x_view);
        }

        return new ModelAndView("/jbpm/tree/json");
    }

    @RequestMapping
    public ModelAndView list(HttpServletRequest request, ModelMap modelMap) {
        String processDefinitionId = request.getParameter("processDefinitionId");
        String processName = request.getParameter("processName");
        List<ProcessDefinition> result = null;
        GraphSession graphSession = null;
        JbpmContext jbpmContext = null;
        try {
            jbpmContext = ProcessContainer.getContainer().createJbpmContext();
            graphSession = jbpmContext.getGraphSession();
            if (StringUtils.isNotEmpty(processDefinitionId) && StringUtils.isNumeric(processDefinitionId)) {
                Collection<Long> processDefinitionIds = new java.util.ArrayList<Long>();
                processDefinitionIds.add(Long.parseLong(processDefinitionId));
                result = graphSession.findProcessDefinitions(processDefinitionIds);
            } else {
                if (StringUtils.isNotEmpty(processName)) {
                    result = graphSession.findAllProcessDefinitionVersions(processName);
                } else {
                    result = graphSession.findAllProcessDefinitions();
                }
            }
            modelMap.put("rows", result);
        } catch (Exception ex) {
            logger.debug(ex);
        } finally {
            Context.close(jbpmContext);
        }

        String jx_view = request.getParameter("jx_view");

        if (StringUtils.isNotEmpty(jx_view)) {
            return new ModelAndView(jx_view, modelMap);
        }

        String x_view = ViewProperties.getString("jbpm_tree.list");
        if (StringUtils.isNotEmpty(x_view)) {
            return new ModelAndView(x_view, modelMap);
        }

        return new ModelAndView("/jbpm/tree/list", modelMap);
    }

    @RequestMapping("/main")
    public ModelAndView main(HttpServletRequest request) {
        String jx_view = request.getParameter("jx_view");

        if (StringUtils.isNotEmpty(jx_view)) {
            return new ModelAndView(jx_view);
        }

        String x_view = ViewProperties.getString("jbpm_tree.main");
        if (StringUtils.isNotEmpty(x_view)) {
            return new ModelAndView(x_view);
        }
        return new ModelAndView("/jbpm/tree/main");
    }

}