JavaServer Pages, 3rd Edition

Compiling and Installing a Bean

Compiling and installing a bean for a web application is done in the same way as for a servlet class, as described in Chapter 19. You need to include all classes the bean uses, if any, in the classpath and compile the bean, for instance using the javac command:

C:/> set CLASSPATH=C:\someDir\someClasses.jar;%CLASSPATH%
C:/> javac MyBean.java

To make the bean available to the web application, place the resulting class file in the WEB-INF/classes directory for the example application:

C:/> copy MyBean.class C:\Jakarta\jakarta-tomcat-5\webapps\ora\WEB-INF\classes

If you followed my advice and declared a package name for the bean class, say com.mycompany.beans, you should put the class file in a directory under WEB-INF/classes that mirrors the package structure, for instance WEB-INF/classes/com/mycompany/beans. Alternatively, you can package the bean class file in a JAR file (see the Java SDK documents for details) and place the JAR file in the WEB-INF/lib directory. The internal structure of the JAR file must also mirror the package structure for all your classes.