componentmanagerproxy.java

一套完整的工商12315的源程序jsp部分在12315里,后台JAVA部分在gs12315src里,没有打包数据库.

/*
 * ComponentManagerProxy.java
 *
 * Created on 2001年7月13日, 下午1:53
 */

package com.gs.db;
import java.util.*;

/**
 *Protection proxy for the ComponentManager interface. It restricts access of certain
 * methods to those that have the proper permissions to manage component
 * registration
 * @ComponentManager
 */
public class ComponentManagerProxy implements ComponentManager {

    private ComponentManager manager;
    private Authorization authorization;
    private IofficePermissions permissions;
    
    /** Creates new ComponentManagerProxy */
    public ComponentManagerProxy(ComponentManager manager,  Authorization
            authorization, IofficePermissions permissions)
    {
        this.manager = manager;
        this.authorization = authorization;
        this.permissions = permissions;
    }
    
    /**
     * Register a new component into IOffice System
     * @param componentName the name of the component, must be unique
     * @param componentAgentClassName the name of the component agent class
     * @param entryURL the URL used to entry the component services
     * @param weight  the importance of the component
     *
     * @throw UnauthorizedException if not authorized to do so,
     * @ throw ComponentRegistrationException if registration fails
     */
    public IofficeComponent registerComponent(String componentName,String componentAgentClassName, 
            String entryURL, String displayName, int weight, int desktop ) 
           throws UnauthorizedException,ComponentRegistrationException
    {
        IofficeComponent cp = null;
        if (permissions.get(IofficePermissions.SYSTEM_ADMIN)) {
            cp = manager.registerComponent( componentName, componentAgentClassName, entryURL,displayName, weight,desktop);
        }
        else {
            throw new UnauthorizedException();
        }
        return new IofficeComponentProxy( cp,authorization, permissions);
    }
               
    
     /*
     * Delete a new component off Inter-Office System
     * @param componentName the name of the component, must be unique
     * might throw UnauthorizedException if not authorized to do so,
     * might throw ComponentNotFoundException if name not found

      public void unregisterComponent(String componentName) 
    throws UnauthorizedException, ComponentNotFoundException 
    {
        if (permissions.get(IofficePermissions.SYSTEM_ADMIN)) {
            manager.unregisterComponent( componentName);
        }
        else {
            throw new UnauthorizedException();
        }
    }
     */
    
    
    
    /**
     * Get a IofficeComponent object by the component name
     * <i>ComponentNotFoundException</i> will be thrown if the
     * name is invalid.
     * @param componentName the name of the component
     */
    public IofficeComponent getComponent(String componentName) throws ComponentNotFoundException{
        IofficeComponent cp = manager.getComponent( componentName);
        
        return new IofficeComponentProxy( cp, authorization , permissions);
    }  

    /**
     * Return the total number of components registered
     */
    public int getComponentCount()
    {
        return manager.getComponentCount();
    }

    /**
     * Return an Iterator, de facto,a ComponentIterator(Proxy) object,
     * by which you can get each component
     */
    public Iterator getComponents()
    {
        Iterator iterator = manager.getComponents();
        return new ComponentIteratorProxy( iterator, authorization, permissions);
    }
    
    
}