fbframeconfig.java

EOS的一个很好的例子.包括页面构件、展现构件

package com.primeton.eos.fbframe.config;

import java.io.*;
import java.net.URL;
import java.util.*;

import com.primeton.tp.common.xml.*;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import com.primeton.tp.common.xml.XmlUtil;
import com.primeton.tp.core.prservice.common.Constants;
/**
 * @author PengYuanlin
 * @version 1.0
 * @date 2007-2-5
 * @class_displayName FbFrameConfig
 * 读取、修改fbframe的配置信息
 */

public class FbFrameConfig {
	
	private static FbFrameConfig ffinstance;
	private static final String source = "com/primeton/eos/fbframe/config/fbframe.properties";
	
	private Properties pros ;
	private Properties eos_webdriver_pros;
	
	public FbFrameConfig(){
		this.pros = null;
	}
	
	public static FbFrameConfig getInstance(){
		if( ffinstance == null ){
			ffinstance = new FbFrameConfig();
			ffinstance.init();
		}
		return ffinstance; 
	}
	
	public HashMap getAccessableJspWithNoLogin(){
		
		HashMap AccessableJspWithNoLogin = new HashMap();
		AccessableJspWithNoLogin.put(this.eos_webdriver_pros.getProperty("welcome_file"),"true");
		AccessableJspWithNoLogin.put(this.pros.getProperty("noPermissionPage"),"true");
		AccessableJspWithNoLogin.put("/fbrole/main/login.jsp","true");
		AccessableJspWithNoLogin.put("/fbrole/main/RichClientNoPermission.jsp","true");
		AccessableJspWithNoLogin.put("/fbrole/main/noResource.jsp","true");
		AccessableJspWithNoLogin.put("/fbrole/main/noDiractiveAccess.jsp","true");
		return AccessableJspWithNoLogin;
	}
	
	/**
	  * 初始化FBFrameConfig对象
	  *
	  */
	private void init(){
		pros = new Properties();
		try{
			InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream(FbFrameConfig.source);
			pros.load(is);
			is.close();
		}catch(Exception ioe){
			System.out.println("");
			System.out.println("");
			System.out.println("/**********************************************");
        	System.out.println("/*");
        	System.out.println("/* 没有发现 com/primeton/eos/fbframe/config/fbframe.properties 文件,系统将使用缺省设置 ！");
        	System.out.println("/*       passwordCryptImpl = com.primeton.eos.fbframe.fbrole.crypt.impl.EOSDefaultPasswordCryptImpl");
        	System.out.println("/*       noPermissionPage = /fbrole/main/noPermission.jsp");
        	System.out.println("/*");
            System.out.println("/**********************************************");
            System.out.println("");
            System.out.println("");
		}
		
		//初始化 加密 类
		String PasswordCryptImpl = null;
		try{
			PasswordCryptImpl = this.pros.getProperty("passwordCryptImpl");
		}catch(Exception e){
			PasswordCryptImpl = null;
		}
		if( PasswordCryptImpl == null || PasswordCryptImpl.length() == 0){
			PasswordCryptImpl = "com.primeton.eos.fbframe.fbrole.crypt.impl.EOSDefaultPasswordCryptImpl";
		}
		this.pros.setProperty("passwordCryptImpl",PasswordCryptImpl);
		
		//初始化noPermission页面
		String noPermissionPage = null;
		try{
			noPermissionPage = this.pros.getProperty("noPermissionPage");
		}catch(Exception e){
			noPermissionPage = null;
		}
		if( noPermissionPage == null || noPermissionPage.length() == 0){
			noPermissionPage = "/fbrole/main/noPermission.jsp";
		}
		this.pros.setProperty("noPermissionPage",noPermissionPage);
		
	}
	
	/*
	 * 从EOS Server的controler的配置文件WEB-INF/web.xml中取得Constants.POSTFIX_ACTION_PARAM
	 * 和Constants.INIT_PORTAL_MODE 。 
	 */
	public void init(String webxmlfile){
		String portalMode = null;
		String postfix = null;
		String welcome_file = "/internet/login.jsp";
		eos_webdriver_pros = new Properties();
		
		try{

			Document doc = null;
			PrimetonDocumentFactory pdf = new PrimetonDocumentFactoryImpl();
			doc = pdf.parseFile(webxmlfile);
			welcome_file = XmlUtil.getNodeValue(doc,"web-app/welcome-file-list/welcome-file");
			if( welcome_file == null ){
				welcome_file = "/fbrole/main/login.jsp";
			}else if(!welcome_file.startsWith("/")){
				welcome_file = "/" + welcome_file;
			}
			
			NodeList nl = XmlUtil.findNodes(doc, "web-app/servlet/init-param/param-name");
			String paramName = "";
			Node curNode = null;
			for (int i = 0; i < nl.getLength(); i++){
				curNode = nl.item(i);
				paramName = XmlUtil.getNodeValue(curNode);
				if( paramName !=null && paramName.equalsIgnoreCase(Constants.INIT_PORTAL_MODE) ){
					
					Node parent = curNode.getParentNode();
					portalMode = XmlUtil.getNodeValue(parent,"init-param/param-value");
					
					//设置portalMode的值（包括默认值）
					if( portalMode == null 	|| (!portalMode.equals("false")) )
					{
						portalMode = "true";
					}
					
					//决定下一步怎么走
					if( postfix == null )
						continue;
					else
						break;
				}
				
				if( paramName !=null && paramName.equalsIgnoreCase(Constants.POSTFIX_ACTION_PARAM) ){
					
					Node parent = curNode.getParentNode();
					postfix = XmlUtil.getNodeValue(parent,"init-param/param-value");
					
					//设置展现逻辑的后缀值（包括默认值）
					if( postfix == null || postfix.length() == 0 )
					{
						postfix = Constants.POSTFIX_ACTION;
					}
					
					//决定下一步怎么走
					if( portalMode == null )
						continue;
					else
						break;
				}
			}
			if (portalMode == null)
				portalMode = "true";
			if (postfix == null)
				postfix = ".do";
			
			this.eos_webdriver_pros.setProperty("portalMode",portalMode);
			this.eos_webdriver_pros.setProperty("prActionPostfix",postfix);
			this.eos_webdriver_pros.setProperty("welcome_file",welcome_file);
			
		}catch (Exception xe){
			this.eos_webdriver_pros.setProperty("portalMode", "true");
			this.eos_webdriver_pros.setProperty("prActionPostfix", ".do");
			this.eos_webdriver_pros.setProperty("welcome_file",welcome_file);
			
			xe.printStackTrace();
		}
	}
	
	public String getNoPermissionPage(){
		return this.pros.getProperty("noPermissionPage");
	}

	public void setNoPermissionPage(String value)throws Exception{
		if( value == null || value.length() == 0 )
			value="/fbrole/main/noPermission.jsp";
		this.pros.setProperty("noPermissionPage",value);
	}
	
	public String getPasswordCryptImpl(){
		return this.pros.getProperty("passwordCryptImpl");
	}
	
	public void setPasswordCryptImpl(String value)throws Exception{
		if( value == null || value.length() == 0 )
			value="com.primeton.eos.fbframe.fbrole.crypt.impl.EOSDefaultPasswordCryptImpl";
		this.pros.setProperty("passwordCryptImpl",value);
	}
	
	public String getLDAPAuthImpl(){
		String LDAPAuthImp = null;
		try{
			LDAPAuthImp = this.pros.getProperty("LDAPAuthImpl");
		}catch(Exception e){
			LDAPAuthImp = null;
		}
		
		return LDAPAuthImp;
	}
	
	public void setLDAPAuthImpl(String value)throws Exception{
		this.pros.setProperty("LDAPAuthImpl",value);
	}
	
	public String getPrActionPostfix(){
		return this.eos_webdriver_pros.getProperty("prActionPostfix");
	}
	
	public String getPortalMode(){
		return this.eos_webdriver_pros.getProperty("portalMode");
	}
	
	public String getWelcomeFile(){
		return this.eos_webdriver_pros.getProperty("welcome_file");
	}
	
	public void store()throws Exception{
		URL u = Thread.currentThread().getContextClassLoader().getResource(FbFrameConfig.source);
		FileOutputStream op = new FileOutputStream(u.getFile());
		pros.store(op,"fbframe configration");
		op.close();
	}
}