/*
* Copyright 2002-2016 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 org.springframework.security.messaging.access.expression;
import org.springframework.expression.Expression;
import org.springframework.messaging.Message;
import org.springframework.security.access.ConfigAttribute;
import org.springframework.util.Assert;
/**
* Simple expression configuration attribute for use in {@link Message} authorizations.
*
* @since 4.0
* @author Rob Winch
*/
@SuppressWarnings("serial")
class MessageExpressionConfigAttribute implements ConfigAttribute {
private final Expression authorizeExpression;
/**
* Creates a new instance
*
* @param authorizeExpression the {@link Expression} to use. Cannot be null
*/
public MessageExpressionConfigAttribute(Expression authorizeExpression) {
Assert.notNull(authorizeExpression, "authorizeExpression cannot be null");
this.authorizeExpression = authorizeExpression;
}
Expression getAuthorizeExpression() {
return authorizeExpression;
}
public String getAttribute() {
return null;
}
@Override
public String toString() {
return authorizeExpression.getExpressionString();
}
}