org.springframework.security.access.SecurityMetadataSource.java Source code

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Here is the source code for org.springframework.security.access.SecurityMetadataSource.java

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/*
 * Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
 *
 * 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
 *
 *      https://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 org.springframework.security.access;

import java.util.Collection;

import org.springframework.aop.framework.AopInfrastructureBean;
import org.springframework.security.access.intercept.AbstractSecurityInterceptor;

/**
 * Implemented by classes that store and can identify the {@link ConfigAttribute}s that
 * applies to a given secure object invocation.
 *
 * @author Ben Alex
 */
public interface SecurityMetadataSource extends AopInfrastructureBean {
    // ~ Methods
    // ========================================================================================================

    /**
     * Accesses the {@code ConfigAttribute}s that apply to a given secure object.
     *
     * @param object the object being secured
     *
     * @return the attributes that apply to the passed in secured object. Should return an
     * empty collection if there are no applicable attributes.
     *
     * @throws IllegalArgumentException if the passed object is not of a type supported by
     * the <code>SecurityMetadataSource</code> implementation
     */
    Collection<ConfigAttribute> getAttributes(Object object) throws IllegalArgumentException;

    /**
     * If available, returns all of the {@code ConfigAttribute}s defined by the
     * implementing class.
     * <p>
     * This is used by the {@link AbstractSecurityInterceptor} to perform startup time
     * validation of each {@code ConfigAttribute} configured against it.
     *
     * @return the {@code ConfigAttribute}s or {@code null} if unsupported
     */
    Collection<ConfigAttribute> getAllConfigAttributes();

    /**
     * Indicates whether the {@code SecurityMetadataSource} implementation is able to
     * provide {@code ConfigAttribute}s for the indicated secure object type.
     *
     * @param clazz the class that is being queried
     *
     * @return true if the implementation can process the indicated class
     */
    boolean supports(Class<?> clazz);
}