HierarchyStringsFactoryBean.java

/*
 * Copyright 2008-2009 MOPAS(Ministry of Public Administration and Security).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package egovframework.rte.fdl.security.userdetails.hierarchicalroles;

import egovframework.rte.fdl.security.config.SecuredObjectConfig;
import egovframework.rte.fdl.security.securedobject.EgovSecuredObjectService;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.util.StringUtils;

/**
 * DB기반의 롤 계층정보를 지원하는 비즈니스 구현 클래스
 * 
 * <p><b>NOTE:</b> DB 기반의 Role 계층 관계 정보를 얻어 이를 참조하는 Bean 의 초기화 데이터로 제공한다.</p>
 * 
 * @author marcos.sousa - reference http://forum.springframework.org/showthread.php?t=56615&highlight=database&page=2
 * @author ByungHun Woo
 * @since 2009.06.01
 * @version 1.0
 * @see <pre>
 *  == 개정이력(Modification Information) ==
 *   
 *   수정일      수정자           수정내용
 *  -------    --------    ---------------------------
 *   2009.06.01  윤성종		최초 생성
 *   2014.01.22  한성곤		Spring Security 3.2.X 업그레이드 적용, 설정 간소화 처리 관련 변경
 * 
 * </pre>
 */
public class HierarchyStringsFactoryBean implements FactoryBean<String>, ApplicationContextAware {
	private ApplicationContext context;
	
    private String hierarchyStrings;
    private EgovSecuredObjectService securedObjectService;

	public void setSecuredObjectService(EgovSecuredObjectService securedObjectService) {
		this.securedObjectService = securedObjectService;
	}

    public void init() throws Exception {
    	// 설정 간소화 처리가 지정된 경우
    	if (context.getBeanNamesForType(SecuredObjectConfig.class).length > 0) {
    		SecuredObjectConfig config = context.getBean(SecuredObjectConfig.class);
    		
    		if (StringUtils.hasText(config.getRoleHierarchyString())) {
    	
    			hierarchyStrings = config.getRoleHierarchyString();
    			
    			return;
    		}
    	}
    	
    	// 기본 처리
        hierarchyStrings = (String) securedObjectService.getHierarchicalRoles();
    }

    public String getObject() throws Exception {
        if (hierarchyStrings == null) {
            init();
        }
        return hierarchyStrings;
    }

    public Class<String> getObjectType() {
        return String.class;
    }

    public boolean isSingleton() {
        return true;
    }

	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
		this.context = applicationContext;
	}
}