3,Major classes and interfaces used in the framework.

• By William Louth
• November 15, 2000

public interface SecurityDescriptor extends java.io.Serializable {
 // The getPermission methods return a constants defined in the
 //  Securable interface
 public int getPermission(String rolename);
 public int getPermission(String[] rolenames);
}
public interface PropertyDescriptor extends java.io.Serializable, Securable {
 public String getMethodName();
 public String getName();
 public int getWidth();
 public int getAlignment();
 public SecurityDescriptor getSecurityDescriptor();

 /**
  * The method referred to in the property descriptor will be invoked
  * on the object passed with the result from the invocation
  * returned.
 */
 public Object getValue(Object obj);
 public Class getType();
}
public interface Name extends java.io.Serializable {
 public String get(Object obj);
}

public interface Securable {
 public final static int RESTRICTED = 0;
 public final static int READONLY = 1;
 public final static int READWRITE = 2;
 SecurityDescriptor getSecurityDescriptor();
}
public interface Descriptor extends java.io.Serializable, Securable {
  /**
   * Get the name for the object passed. See
   * <object-descriptor><name>
  */
  public String getName(Object obj);

 /**
 * Get the type string literal for the object passed; see
 * <object-descriptor><type>
 */
 public String getType(Object obj);
 
 /**
 * Get the icon name for the object passed; see
 *<object-descriptor><icon>
 */
 public String getIcon(Object obj);

 /** 
  * List the actions that can be executed against this object; see
  *  <action-descriptor>
 */
  public List getActionDescriptors();
  public Visitor getActionDescriptors(Visitor v);

 /**
  * List the properties that can be displayed in the interface; see
  * <property-descriptor>
  */
  public List getPropertyDescriptors();
  public Visitor getPropertyDescriptors(Visitor v);
  public PropertyDescriptor getPropertyDescriptor(String name);
 /**
 * Get the security descriptor assigned; see <property-descriptor>
 */
 public SecurityDescriptor getSecurityDescriptor();
  /**
  * see <folder-descriptor>
  */
  public boolean allowsChildren();
  public List getChildren(Object obj);
  public Key getKey();
}
/**
* see <folder-descriptor>
*/
public interface ActionDescriptor extends java.io.Serializable, Securable {
  public SecurityDescriptor getSecurityDescriptor();
  public String getName();
  public String getIcon();
  public Class getActionClass();
  public Map getParameters();
}
/**
* Marker interface for objects that can be displayed in a user
* interface using XML
*/
public interface Describeable extends java.io.Serializable {}
/**
 * All entity beans implementing Detaileable have a getDetails
 * method that returns an object that implements the Details
 * interface. The Details interface extends Describeable thus can be
 * displayed in the user interface using XML.
 */
 public interface Details extends Describeable {
  public EJBObject getRemote();
  public Object key();
  public long version();
}
/**
 * All entity bean remote interfaces extend the Detaileable interface
 */
public interface Detaileable {
  public Details getDetails() throws RemoteException;
}