PermissionFilter4Update.java

/* ==================================================================   
 * Created [2011-11-03 下午11:32:55] by Jon.King 
 * ==================================================================  
 * TSS 
 * ================================================================== 
 * mailTo:jinpujun@hotmail.com
 * Copyright (c) Jon.King, 2009-2012 
 * ================================================================== 
 */
package com.jinhe.tss.um.permission.filter;

import java.util.List;

import com.jinhe.tss.core.exception.BusinessException;
import com.jinhe.tss.um.permission.IResource;
import com.jinhe.tss.um.permission.PermissionHelper;

/**
 * 资源修改时的权限检查： 判断用户是否对当前节点有编辑权限
 * 
 * IResource update***( IResource obj )
 */
public class PermissionFilter4Update implements IPermissionFilter {
	
	@Override
	public void doFilter(Object args[], Object returnValue, PermissionTag tag, PermissionHelper helper) {
        String application = tag.application();
		String resourceType = tag.resourceType();
		String updateOperation = tag.operation();
 
		IResource resource = (IResource) args[0];
		
		List<Long> permitedResourceIds = helper.getResourceIdsByOperation(application, resourceType, updateOperation);
        if( !permitedResourceIds.contains(resource.getId()) ) {
            throw new BusinessException("保存失败，您对保存的【名为:" + resource.getName() + " 的节点】下没有修改权限！");
        }
	}

}