ex9_4.txt

j2ee core design patterns

Example 9.4	ActionMapper Code
package ActionAdapter;

import Core.HireEmployeeConstants;
import java.util.Properties;

public class ActionMapper {
  String workflowName = "HireEmployee";
  String mapFile;

  public ActionMapper(String mapFile) {
    this.mapFile = mapFile;
  }

  public CommandData getCommandData(String action,
      String workflowProcessId, String workItemId) {
    // Get real commandString from mapFile using Action
    String commandString = ""; 
    // Get properties from mapFile for Action
    Properties properties = null; 
    CommandData data = null;
    if(commandString.equals(
        HireEmployeeConstants.START_WORKFLOW)) {
      data = new WorkflowCommandData(workflowName,
          workflowProcessId, HireEmployeeConstants.
          START_WORKFLOW_TYPE);
    } else if (commandString.equals(
        HireEmployeeConstants.STOP_WORKFLOW)) {
      data = new WorkflowCommandData(workflowName,
          workflowProcessId, HireEmployeeConstants.
          STOP_WORKFLOW_TYPE);
    } else if(commandString.equals(
        HireEmployeeConstants.PAUSE_WORKFLOW)) {
      data = new WorkflowCommandData(workflowName,
          workflowProcessId, HireEmployeeConstants.
          PAUSE_WORKFLOW_TYPE);
    } else if(commandString.equals(
        HireEmployeeConstants.ACQUIRE_WORKITEM)) {
      data = new WorkItemCommandData(workItemId,
          HireEmployeeConstants.ACQUIRE_WORKITEM_TYPE);
    } else if(commandString.equals(
        HireEmployeeConstants.ABORT_WORKITEM)) {
      data = new WorkItemCommandData(workItemId,
        HireEmployeeConstants.ABORT_WORKITEM_TYPE);
    } else {
      data = new WorkItemCommandData(workItemId,
        HireEmployeeConstants.COMMIT_WORKITEM_TYPE);
    }
      return data;
  }
}