com.xyz.system.service.impl.DefinitionSourceFactoryBean.java Source code

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Here is the source code for com.xyz.system.service.impl.DefinitionSourceFactoryBean.java

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/**
 * Copyright (c) 2005-2009 springside.org.cn
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * 
 * $Id: DefinitionSourceFactoryBean.java,v 1.1 2009/09/22 00:55:47 test Exp $
 */
package com.xyz.system.service.impl;

import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.Map;

import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.ConfigAttribute;
import org.springframework.security.access.SecurityConfig;
import org.springframework.security.web.access.intercept.DefaultFilterInvocationSecurityMetadataSource;
import org.springframework.security.web.access.intercept.FilterInvocationSecurityMetadataSource;
import org.springframework.security.web.access.intercept.RequestKey;
import org.springframework.security.web.util.AntUrlPathMatcher;
import org.springframework.security.web.util.UrlMatcher;
import org.springframework.stereotype.Service;

import com.xyz.system.service.ISecurityService;

/**
 * DefinitionSource.
 * resourceDetailService??URL-?,
 * ??LinkedHashMap<String, String>?URL??
 * SpringSecurityLinkedHashMap<RequestKey, ConfigAttributeDefinition>?.
 * ?-??
 * @see org.springframework.security.intercept.web.DefaultFilterInvocationDefinitionSource
 * @see ResourceDetailService
 * 
 * @author Val
 */
@Service("databaseDefinitionSource")
public class DefinitionSourceFactoryBean implements FactoryBean {

    @Autowired
    private ISecurityService securityManager;

    /**
     * Ant StyleURLMatcherResourceDetailService??RequestMapDefaultFilterInvocationDefinitionSource.
     */
    public Object getObject() throws Exception {
        LinkedHashMap<RequestKey, Collection<ConfigAttribute>> requestMap = buildRequestMap();
        UrlMatcher matcher = getUrlMatcher();
        DefaultFilterInvocationSecurityMetadataSource metaSource = new DefaultFilterInvocationSecurityMetadataSource(
                matcher, requestMap);
        ;

        return metaSource;
    }

    @SuppressWarnings("unchecked")
    public Class getObjectType() {
        return FilterInvocationSecurityMetadataSource.class;
    }

    public boolean isSingleton() {
        return true;
    }

    /**
     * ??Ant StyleURLMatcher.
     */
    protected UrlMatcher getUrlMatcher() {
        return new AntUrlPathMatcher();
    }

    /**
     * resourceDetailService??LinkedHashMap<String, String>?URL??
     * DefaultFilterInvocationDefinitionSource?LinkedHashMap<RequestKey, ConfigAttributeDefinition>?.
     */
    protected LinkedHashMap<RequestKey, Collection<ConfigAttribute>> buildRequestMap() throws Exception {
        LinkedHashMap<String, String> srcMap = securityManager.getRequestMap();
        LinkedHashMap<RequestKey, Collection<ConfigAttribute>> distMap = new LinkedHashMap<RequestKey, Collection<ConfigAttribute>>();

        for (Map.Entry<String, String> entry : srcMap.entrySet()) {
            RequestKey key = new RequestKey(entry.getKey(), null);
            if (StringUtils.isNotBlank(entry.getValue())) {
                distMap.put(key, SecurityConfig.createListFromCommaDelimitedString(entry.getValue()));
            }
        }

        return distMap;
    }
}