JavaBeans Section Index | Page 3

A FileDataSource is part of the JavaBeans Activation Framework, package javax.activation. It represents a DataSource associated with a file, that relies on a FileTypeMap to associate mime types wi...more

You need to pick up the bean out of the servlet context. Don't try to create the bean, that's why you are getting a new instance. See What servlet code corresponds to the various "scope"...more

Sure you can. While the Sun site says that you must use BDK 1.0 if you are using JDK 1.1, it doesn't mean that you can't use it with later versions of the JDK. The converse of this is not true. BD...more

The Java Plugin has a feature that allows JavaBeans to be packaged as ActiveX controls. This allows JavaBeans to be used with an ActiveX Container, for example from within Visual Basic. UnRegBean....more

Yes, just pass in the custom class loader to the java.beans.Beans.instantiate() method.more

You can't do this. What I did was to add a custom attribute "order" to the BeanDescriptor of the BeanInfo class which specifies the order, and then my GUI tools used this property. FAQ...more

There is no standard way to know it. What you can do is implement the most you can in an abstract class that inherits from PropertyEditor and then extend it in both property editors. You could ask...more

The InfoBus is a mechanism for sending messages between multiple components within the same JVM. In this case, it is more like the Java Message Service (JMS), another Java API for interclient mess...more

The jGuru/MageLang tutorial over at the Java Developer Connection, while from the summer of 1997 is still rather current. The API hasn't changed at all since then. Another tutorial is the JavaBean...more

You can think of the manifest file as the Jar-file meta-data, describing the contents of the files inside the Jar. Each file in the .jar file can have an entry in the manifest file. This entry can...more

The BeanBox tool is not really cutout for creating applications, just applets. What you can do is generate an applet and then use that applet in your own frame, calling the necessary startup metho...more

An ActiveX control is a reusable component written to take advantage of Microsoft's Component Object Model (COM). They basically execute well within browsers on Windows platforms but don't work an...more

In short, JavaBeans are not special; you access EJBs from JavaBeans the way you would from any other EJB client. However, JavaBeans can be useful as a 'wrapper' for EJBs that hide some of the com...more

A JavaBean component can be used anywhere, either like an AWT component on the client or with a JSP page on the server. There is nothing that requires it to be one or the other. In fact, the same ...more

A servlet bean is a serializable servlet that follows the JavaBeans component architecture, basically offering getter/setter methods. As long as you subclass GenericServlet/HttpServlet, you are a...more