/*
* Sonatype Nexus (TM) Open Source Version
* Copyright (c) 2007-2014 Sonatype, Inc.
* All rights reserved. Includes the third-party code listed at http://links.sonatype.com/products/nexus/oss/attributions.
*
* This program and the accompanying materials are made available under the terms of the Eclipse Public License Version 1.0,
* which accompanies this distribution and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Sonatype Nexus (TM) Professional Version is available from Sonatype, Inc. "Sonatype" and "Sonatype Nexus" are trademarks
* of Sonatype, Inc. Apache Maven is a trademark of the Apache Software Foundation. M2eclipse is a trademark of the
* Eclipse Foundation. All other trademarks are the property of their respective owners.
*/
package org.sonatype.nexus.capability.validator;
import java.util.Map;
import javax.inject.Inject;
import org.sonatype.nexus.capability.ValidationResult;
import org.sonatype.nexus.capability.Validator;
import org.sonatype.nexus.capability.support.validator.DefaultValidationResult;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Logical NOT ona a {@link Validator}.
*
* @since capabilities 2.0
*/
public class InversionValidator
implements Validator
{
private final Validator validator;
@Inject
public InversionValidator(final Validator validator) {
this.validator = checkNotNull(validator);
}
@Override
public ValidationResult validate(final Map<String, String> properties) {
final ValidationResult validationResult = validator.validate(properties);
if (!validationResult.isValid()) {
return ValidationResult.VALID;
}
return new DefaultValidationResult().add(explainInvalid());
}
@Override
public String explainValid() {
return validator.explainInvalid();
}
@Override
public String explainInvalid() {
return validator.explainValid();
}
}