com.rockagen.gnext.service.spring.security.extension.BasicRefreshMetadataSource.java Source code

Introduction

Here is the source code for com.rockagen.gnext.service.spring.security.extension.BasicRefreshMetadataSource.java

Source

/*
 * Copyright 2014 the original author or authors.
 *
 * 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 com.rockagen.gnext.service.spring.security.extension;

import javax.servlet.ServletContext;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.security.web.access.intercept.FilterInvocationSecurityMetadataSource;
import org.springframework.security.web.access.intercept.FilterSecurityInterceptor;
import org.springframework.web.context.support.WebApplicationContextUtils;

/**
 * An extension Since spring security in the authority information is loaded to
 * <code>SERVLETCONTEXT</code> when the server started, so here define a method to refresh the
 * <code>SERVLETCONTEXT</code>
 * 
 * @author RA
 */
public class BasicRefreshMetadataSource {

    // ~ Instance fields ==================================================

    /** The Constant logger. */
    private static final Log log = LogFactory.getLog(BasicRefreshMetadataSource.class);

    /** The servlet context. */
    private ServletContext servletContext;

    // ~ Methods ==================================================

    /**
     * Refresh.
     */
    public void refresh() {
        ApplicationContext ctx = WebApplicationContextUtils.getRequiredWebApplicationContext(servletContext);
        FilterInvocationSecurityMetadataSource fisms = (FilterInvocationSecurityMetadataSource) ctx
                .getBean("securityMetadataSource");
        // Get  FilterSecurityInterceptor
        FilterSecurityInterceptor fsi = (FilterSecurityInterceptor) ctx.getBean("filterSecurityInterceptor");
        // Set new SecurityMetadataSource to FilterSecurityInterceptor
        fsi.setSecurityMetadataSource(fisms);
        log.info(" SecurityMetadataSource updating ....");
    }

    /**
     * Sets the servlet context.
     * 
     * @param servletContext
     *            the new servlet context
     */
    public void setServletContext(ServletContext servletContext) {
        this.servletContext = servletContext;
    }
}