Package com.founder.fix.fixflow.core.impl.cmd

Source Code of com.founder.fix.fixflow.core.impl.cmd.GetTaskFormByNodeId

/**
* Copyright 1996-2013 Founder International Co.,Ltd.
*
* 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.
*
* @author kenshin
*/
package com.founder.fix.fixflow.core.impl.cmd;


import com.founder.fix.fixflow.core.impl.bpmn.behavior.ProcessDefinitionBehavior;
import com.founder.fix.fixflow.core.impl.bpmn.behavior.UserTaskBehavior;
import com.founder.fix.fixflow.core.impl.expression.ExpressionMgmt;
import com.founder.fix.fixflow.core.impl.interceptor.Command;
import com.founder.fix.fixflow.core.impl.interceptor.CommandContext;
import com.founder.fix.fixflow.core.impl.persistence.ProcessDefinitionManager;

public class GetTaskFormByNodeId<T> implements Command<String> {
 
  protected String processDefinitionId;
  protected String nodeId;

  public GetTaskFormByNodeId(String processDefinitionId, String nodeId) {
    this.processDefinitionId = processDefinitionId;
    this.nodeId = nodeId;
  }

  public String execute(CommandContext commandContext) {

    ProcessDefinitionManager processDefinitionManager = commandContext.getProcessDefinitionManager();

    ProcessDefinitionBehavior processDefinition = processDefinitionManager
        .findLatestProcessDefinitionById(processDefinitionId);
    UserTaskBehavior userTask = (UserTaskBehavior) processDefinition.getDefinitions().getElement(nodeId);
    Object returnFormUri = null;
    if(userTask.getFormUri()!=null && !userTask.getFormUri().equals(""))
      returnFormUri=ExpressionMgmt.execute(userTask.getFormUri(),processDefinition);
    if(returnFormUri!=null && !returnFormUri.equals("")){
      return returnFormUri.toString();
    }
    else{
      String defaultFormUri=processDefinition.getDefaultFormUri();
      if(defaultFormUri != null && !defaultFormUri.equals("")){
          return defaultFormUri.toString();
      }
     
    }
   
    return null;
  }
}
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