?? feedownervoter.java.svn-base
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package com.google.code.rsser.web.security;import org.apache.log4j.Logger;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.security.Authentication;import org.springframework.security.ConfigAttribute;import org.springframework.security.ConfigAttributeDefinition;import org.springframework.security.intercept.web.FilterInvocation;import org.springframework.security.vote.AccessDecisionVoter;import org.springframework.web.bind.ServletRequestUtils;import com.google.code.rsser.model.Feed;import com.google.code.rsser.model.User;import com.google.code.rsser.service.FeedService;import com.google.code.rsser.service.UserService;public class FeedOwnerVoter implements AccessDecisionVoter { private static final String REQUEST_FEED_ID = "feedId"; private Logger logger = Logger.getLogger(FeedOwnerVoter.class); @Autowired private UserService userService; @Autowired private FeedService feedService; public int vote(Authentication authentication, Object object, ConfigAttributeDefinition cad) { FilterInvocation filter = (FilterInvocation) object; int id = ServletRequestUtils.getIntParameter(filter.getRequest(), REQUEST_FEED_ID, 0); Feed feed = feedService.get(id); User user = userService.getCurrent(); if (feed != null && user.getFeedsSubscribed().contains(feed)) { if (logger.isDebugEnabled()) { logger.debug("Access granted for user [" + user + "] to feed [" + feed + "]"); } return ACCESS_GRANTED; } else { if (logger.isDebugEnabled()) { logger.debug("Access abstained for user [" + user + "] to feed [" + feed + "]"); } return ACCESS_ABSTAIN; } } public boolean supports(ConfigAttribute attribute) { return Roles.ROLE_FEED_OWNER.equals(attribute.getAttribute()); } public boolean supports(Class clazz) { return true; }}?? 快捷鍵說明
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