org.identityconnectors.framework.common.objects.filter.SingleValueAttributeFilter Maven / Gradle / Ivy
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/*
* ====================
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2008-2009 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of the Common Development
* and Distribution License("CDDL") (the "License"). You may not use this file
* except in compliance with the License.
*
* You can obtain a copy of the License at
* http://IdentityConnectors.dev.java.net/legal/license.txt
* See the License for the specific language governing permissions and limitations
* under the License.
*
* When distributing the Covered Code, include this CDDL Header Notice in each file
* and include the License file at identityconnectors/legal/license.txt.
* If applicable, add the following below this CDDL Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
* ====================
*/
package org.identityconnectors.framework.common.objects.filter;
import org.identityconnectors.framework.common.objects.Attribute;
import org.identityconnectors.framework.common.objects.Uid;
/**
* Get a single value out of the attribute to test w/.
*/
public abstract class SingleValueAttributeFilter extends AttributeFilter {
/**
* Attempt to single out the value for comparison.
*/
SingleValueAttributeFilter(Attribute attr) {
super(attr);
// make sure this is not a Uid..
if (Uid.NAME.equals(attr.getName())) {
final String MSG = "Uid can only be used for equals comparison.";
throw new IllegalArgumentException(MSG);
}
// actual runtime..
if (attr.getValue().size() != 1) {
final String ERR = "Must only be one value!";
throw new IllegalArgumentException(ERR);
}
}
/**
* Value to test against.
*/
public Object getValue() {
return getAttribute().getValue().get(0);
}
}