approvaldatautil.java

一个免费的CA,基于EJB平台的,老师叫我们测试,现把之共享出来让大家参考

/*************************************************************************
 *                                                                       *
 *  EJBCA: The OpenSource Certificate Authority                          *
 *                                                                       *
 *  This software is free software; you can redistribute it and/or       *
 *  modify it under the terms of the GNU Lesser General Public           *
 *  License as published by the Free Software Foundation; either         *
 *  version 2.1 of the License, or any later version.                    *
 *                                                                       *
 *  See terms of license at gnu.org.                                     *
 *                                                                       *
 *************************************************************************/
package org.ejbca.core.model.approval;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.util.ArrayList;
import java.util.Collection;

import javax.ejb.EJBException;

import org.apache.log4j.Logger;
import org.ejbca.util.Base64;




/**
 * Class containing utils for extracting data from the approvaldata table.
 * is used by the Entity and Session bean only.
 * 
 * 
 * @author Philip Vendil
 * @version $Id: ApprovalDataUtil.java,v 1.3 2006/08/09 07:29:48 herrvendil Exp $
 */

public class ApprovalDataUtil  { 
	
	private static final Logger log = Logger.getLogger(ApprovalDataUtil.class);


	public static Collection getApprovals(String stringdata) {
    	ArrayList retval = new ArrayList();
    	try{
    		ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(Base64.decode(stringdata.getBytes())));
    		
    		int size = ois.readInt();
    		for(int i=0;i<size;i++){
    			Approval next = (Approval) ois.readObject();
    			retval.add(next);
    		}
    		
    	} catch (IOException e) {
    		log.error("Error building approvals.",e);
    		throw new EJBException(e);
    	} catch (ClassNotFoundException e) {
    		log.error("Error building approvals.",e);
    		throw new EJBException(e);
    	}
    	
    	return retval;
    }
    
    public static ApprovalRequest getApprovalRequest(String stringdata) {
    	ApprovalRequest retval = null;    	
    	try {
    		
    		ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(Base64.decode(stringdata.getBytes())));
			retval= (ApprovalRequest) ois.readObject();
		} catch (IOException e) {
			log.error("Error building approval request.",e);
			throw new EJBException(e);
		} catch (ClassNotFoundException e) {
			log.error("Error building approval request.",e);
			throw new EJBException(e);
		}
		
		return retval;
    }


}