actiondef.java

java系统通用框架 很实用的东东 一般人都看的懂,

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* (C) Copyright 2004 。
* 保留对所有使用、复制、修改和发布整个软件和相关文档的权利。
* 本计算机程序受著作权法和国际公约的保护，未经授权擅自复制或
* 传播本程序的全部或部分，可能受到严厉的民事和刑事制裁，并
* 在法律允许的范围内受到最大可能的起诉。
*/

 /*****************************************************************************
  * @作者：Golden Peng
  * @版本： 1.0
  * @时间： 2002-10-08
  */
 /*****************************************************************************
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  * 修改人  ：
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package com.corp.bisc.ebiz.base;

import java.util.*;
import org.w3c.dom.*;
import com.corp.bisc.ebiz.util.*;
import com.corp.bisc.ebiz.exception.*;
/**
 * Insert the type's description here.
 * Creation date: (2002-5-13 11:05:36)
 * @author: Administrator
 */
public class ActionDef extends ObjectBase
{
	final static public int REQUEST_TYPE_NORMAL 	= 1;
	final static public int REQUEST_TYPE_BINARY 	= 2;
	final static public int REQUEST_TYPE_XML    	= 3;
	final static public int REQUEST_TYPE_SIGNED 	= 4;
	final static public int REQUEST_TYPE_FREEPKI	= 5;
	final static public int REQUEST_TYPE_FREEPKI_BIN= 6;

	final static public String PATTERN_HEADING_ALLOW= "allow:";
	final static public String PATTERN_HEADING_DENY = "deny:";

	private String actionName = null;
	private String actionDesc = "";
	private String principalNeed = "";
	private int protocol = REQUEST_TYPE_NORMAL;

	private int multistep = 0;
	private boolean finalstep = true;
	private String sessionkey;

	private Vector commandMaps = null;
	private Hashtable paramCheckers = null;
	//private Vector invalidKeys = null;

	//private boolean signed = false;
	//private boolean encrypted = false;

	private int position = 0;

	private String filterIPs;

/**
 * ActionDef constructor comment.
 */
public ActionDef() {
	super();
}
	protected ActionDef(ActionDef template)
	{
		this.actionDesc = template.actionDesc;
		this.actionName = template.actionName;
		this.commandMaps = (Vector)template.commandMaps.clone();
		//this.encrypted = template.encrypted;
		this.finalstep = template.finalstep;
		this.multistep = template.multistep;
		this.paramCheckers = template.paramCheckers;
		this.position = template.position;
		this.principalNeed = template.principalNeed;
		this.protocol = template.protocol;
		this.sessionkey = template.sessionkey;
		//this.signed = template.signed;

		this.filterIPs = template.filterIPs;
	}
/**
 * 此处插入方法描述。
 * 创建日期：(2002-5-14 21:04:21)
 * @return java.lang.String
 */
public java.lang.String getActionDesc() {
	return actionDesc;
}
/**
 * 此处插入方法描述。
 * 创建日期：(2002-5-14 21:04:21)
 * @return java.lang.String
 */
public java.lang.String getActionName()
{
	return actionName;
}
	public int getCommandCount()
	{
		return commandMaps == null ? 0 : commandMaps.size();
	}
	public CommandMap getCommandMap(int i)
	{
		return (CommandMap)commandMaps.elementAt(i);
	}
public CommandMap getCurrentCommandMap() {
	if(commandMaps.size() > position)
	{
		return (CommandMap)commandMaps.elementAt(position);
	}
	return null;
}
	public String getFilterIPs()
	{
		return filterIPs;
	}
public CommandMap getFirstCommandMap() {
	if(commandMaps.size() > 0)
	{
		position = 0;
		return (CommandMap)commandMaps.elementAt(0);
	}
	return null;
}
/**
 * Insert the method's description here.
 * Creation date: (2002-5-21 15:12:13)
 * @return int
 */
public int getMultistep() {
	return multistep;
}
/**
 * Insert the method's description here.
 * Creation date: (2002-5-13 11:15:07)
 * @return java.util.Vector
 */
public CommandMap getNextCommandMap() {
	position++;
	if(commandMaps.size() > position)
	{
		return (CommandMap)commandMaps.elementAt(position);
	}
	else
		position = commandMaps.size();
	return null;

}
	public ParamChecker getParamChecker(String key)
	{
		return (ParamChecker)paramCheckers.get(key);
	}
	public String getPrincipal()
	{
		return principalNeed;
	}
/**
 * Insert the method's description here.
 * Creation date: (2002-5-13 11:15:07)
 * @return int
 */
public int getProtocol() {
	return protocol;
}
/**
 * Insert the method's description here.
 * Creation date: (2002-5-21 15:12:13)
 * @return java.lang.String
 */
public java.lang.String getSessionkey() {
	return sessionkey;
}
protected void init(Node aNode , Hashtable cmdDefMap) throws InvalidConfigException
{
	enter("init(Node)");

	NamedNodeMap attribs = aNode.getAttributes();
	Node urlNode = attribs.getNamedItem("name");
	Node descNode = attribs.getNamedItem("description");
	Node prinNode = attribs.getNamedItem("principal");
	Node procNode = attribs.getNamedItem("protocol");

	Node safeNode = attribs.getNamedItem("safety");

	Node sessionNode = attribs.getNamedItem("sessionkey");
	Node multiNode = attribs.getNamedItem("multi-step");
	Node finalNode = attribs.getNamedItem("finalstep");
	Node filterNode = attribs.getNamedItem("filterIPs");


	if(sessionNode != null)
		sessionkey = sessionNode.getNodeValue();

	if(multiNode != null)
		multistep = Integer.parseInt(multiNode.getNodeValue());

	if(finalNode != null)
		finalstep = Integer.parseInt(finalNode.getNodeValue()) > 0 ;

	if (urlNode == null)
		throw new InvalidConfigException("action/@url");
	else
		actionName = urlNode.getNodeValue();

	if (descNode != null)
		actionDesc = descNode.getNodeValue();

	if (prinNode != null){
		String tmp = prinNode.getNodeValue();

		if(tmp != null){
			principalNeed =tmp.trim();
		}
	}

	if (filterNode != null)
		filterIPs = filterNode.getNodeValue();

	if (procNode != null)
	{
		String protocolText = procNode.getNodeValue();

		StringTokenizer tokens = new StringTokenizer(protocolText , "|");
		int procCount = 0;

		while(tokens.hasMoreTokens())
		{
			String token = tokens.nextToken();

			//因为PKI的应用自己对binary,normal等协议进行了封装
			//故Signed和FreePKI协议和Normal、Binary、XML等协议现在为平等的地位
			//但应该考虑到以后可能有两种协议共同存在的情况
			/*
			if (token.equals("Signed"))
			{
				signed = true;
			}
			else if (token.equals("Encrypted"))
			{
				encrypted = true;
			}
			else
			{
			*/
				if (procCount ++ == 0)
				{
					if (token.equalsIgnoreCase("Normal"))
						protocol = ActionDef.REQUEST_TYPE_NORMAL;
					else if (token.equalsIgnoreCase("Binary"))
						protocol = ActionDef.REQUEST_TYPE_BINARY;
					else if (token.equalsIgnoreCase("XML"))
						protocol = ActionDef.REQUEST_TYPE_XML;
					else if (token.equalsIgnoreCase("Signed"))
						protocol = ActionDef.REQUEST_TYPE_SIGNED;
					else if (token.equalsIgnoreCase("FreePKI"))
						protocol = ActionDef.REQUEST_TYPE_FREEPKI;
					else if (token.equalsIgnoreCase("FreePKI_BIN"))
						protocol = ActionDef.REQUEST_TYPE_FREEPKI_BIN;
					else
						procCount ++;
				}
				else
				{
					procCount ++;
				}

				if (procCount > 1)
				{
					throw new InvalidConfigException("action/[@protocol=" + token + "]");
				}
			//}
		}
	}

	Vector nodesCmd = XMLUtil.selectNodes2(aNode , "commands/command");
	int cmdSize = nodesCmd.size();
	commandMaps = new Vector(cmdSize);
	for(int i = 0 ; i < cmdSize ; i ++)
		commandMaps.add(null);

	for(int i = 0 ; i < cmdSize ; i++)
	{
		CommandMap cmdMap = new CommandMap();
		Node nodeCmd = (Node)nodesCmd.elementAt(i);

		cmdMap.init(nodeCmd , cmdDefMap);
		int cmdIndex = cmdMap.getIndex() - 1;

		if (cmdIndex < 0 || cmdIndex >= cmdSize || commandMaps.get(cmdIndex) != null)
			throw new InvalidConfigException("commands/command[@index=" + cmdIndex + ']');

		commandMaps.setElementAt(cmdMap , cmdIndex);
	}

	for(int i = 0 ; i < cmdSize ; i ++)
	{
		CommandMap cmdMap =	(CommandMap)commandMaps.get(i);
		if (i != 0)
		{
			CommandMap prevMap = (CommandMap)commandMaps.elementAt(i-1);
			prevMap.setNextTransId(cmdMap.getTransId());
		}

		if (i != cmdSize - 1)
		{
			CommandMap nextMap = (CommandMap)commandMaps.elementAt(i+1);
			nextMap.setPrevTransId(cmdMap.getTransId());
		}
	}

	Vector nodesParam = XMLUtil.selectNodes2(aNode , "parameters/param");
	int checkSize = nodesParam.size();
	paramCheckers = new Hashtable();

	for(int i = 0 ; i < checkSize ; i ++)
	{
		ParamChecker checker = new ParamChecker();
		Node nodeChecker = (Node)nodesParam.elementAt(i);

		checker.init(nodeChecker);
		paramCheckers.put(checker.getParamName() , checker);
	}


	leave("init(Node)");
}
/**
 * Insert the method's description here.
 * Creation date: (2002-5-21 15:12:13)
 * @return boolean
 */
public boolean isFinalstep() {
	return finalstep;
}
}