Example usage for javax.activation DataHandler getBean

Introduction

In this page you can find the example usage for javax.activation DataHandler getBean.

Prototype

public Object getBean(CommandInfo cmdinfo) 

Source Link

Document

A convenience method that takes a CommandInfo object and instantiates the corresponding command, usually a JavaBean component.

Usage

From source file:MultipartViewer.java

protected Component getComponent(BodyPart bp) {

    try {//from   w ww  .  j ava  2s.  c o  m
        DataHandler dh = bp.getDataHandler();
        CommandInfo ci = dh.getCommand("view");
        if (ci == null) {
            throw new MessagingException("view command failed on: " + bp.getContentType());
        }

        Object bean = dh.getBean(ci);

        if (bean instanceof Component) {
            return (Component) bean;
        } else {
            if (bean == null)
                throw new MessagingException(
                        "bean is null, class " + ci.getCommandClass() + " , command " + ci.getCommandName());
            else
                throw new MessagingException("bean is not a awt.Component" + bean.getClass().toString());
        }
    } catch (MessagingException me) {
        return new Label(me.toString());
    }
}

---

From source file:MessageViewer.java

protected Component getBodyComponent() {
    //------------
    // now get a content viewer for the main type...
    //------------
    try {/*w w w  .ja  v  a2 s.c  o m*/
        DataHandler dh = displayed.getDataHandler();
        CommandInfo ci = dh.getCommand("view");
        if (ci == null) {
            throw new MessagingException("view command failed on: " + displayed.getContentType());
        }

        Object bean = dh.getBean(ci);
        if (bean instanceof Component) {
            return (Component) bean;
        } else {
            throw new MessagingException("bean is not a component " + bean.getClass().toString());
        }
    } catch (MessagingException me) {
        return new Label(me.toString());
    }
}

---