taskformtag.java

一个java工作流引擎

package org.jbpm.web.tag;

import java.io.*;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
import org.apache.struts.taglib.tiles.util.*;
import org.jbpm.web.formgen.*;
import org.jbpm.web.struts.form.*;

public class TaskFormTag extends TagSupport {

	public int doStartTag() throws JspException {

    try {
      TaskForm taskForm = (TaskForm) TagUtils.findAttribute( "taskform", pageContext );
      FormGenerator formGenerator = taskForm.getFormGenerator();
      formGenerator.generateHtml( pageContext.getOut(), taskForm.getParameters() );

    } catch (IOException e) {
      e.printStackTrace();
      throw new JspException( "form couldn't be displayed : " + e.getMessage() );
    }
    return EVAL_BODY_INCLUDE;
  }

}