net.projectmonkey.spring.acl.factory.DefaultAclAuthorizationStrategyFactoryBean.java Source code

Introduction

Here is the source code for net.projectmonkey.spring.acl.factory.DefaultAclAuthorizationStrategyFactoryBean.java

Source

package net.projectmonkey.spring.acl.factory;

import org.springframework.beans.factory.FactoryBean;
import org.springframework.security.acls.domain.AclAuthorizationStrategyImpl;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.util.Assert;

/*
 * 
   Copyright 2012 Andy Moody
       
   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.
*/

/**
 * Factory bean allowing configuration of an {@link AclAuthorizationStrategyImpl}
 * using simple String constructor args representing the required authorities. 
 * 
 * @author Andy Moody
 */
public class DefaultAclAuthorizationStrategyFactoryBean implements FactoryBean<AclAuthorizationStrategyImpl> {

    private final String[] authorisations;

    public DefaultAclAuthorizationStrategyFactoryBean(final String... authorisations) {
        Assert.notEmpty(authorisations);
        Assert.isTrue(authorisations.length == 1 || authorisations.length == 3,
                "Either 1 or 3 authorization strings must be provided");
        this.authorisations = authorisations;
    }

    @Override
    public AclAuthorizationStrategyImpl getObject() {
        GrantedAuthority[] auths = new GrantedAuthority[authorisations.length];
        for (int i = 0; i < authorisations.length; i++) {
            auths[i] = new SimpleGrantedAuthority(authorisations[i]);
        }
        return new AclAuthorizationStrategyImpl(auths);
    }

    @Override
    public Class<?> getObjectType() {
        return AclAuthorizationStrategyImpl.class;
    }

    @Override
    public boolean isSingleton() {
        return false;
    }

}