ArtifactSchemaValidator.java

/*
 * Copyright [2005] [University Corporation for Advanced Internet Development, Inc.]
 *
 * 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.opensaml.saml2.core.validator;


import org.opensaml.saml2.core.Artifact;
import org.opensaml.xml.util.DatatypeHelper;
import org.opensaml.xml.validation.ValidationException;
import org.opensaml.xml.validation.Validator;

/**
 * Checks {@link org.opensaml.saml2.core.Artifact} for Schema compliance.
 */
public class ArtifactSchemaValidator implements Validator<Artifact> {

    /**
     * Constructor.
     */
    public ArtifactSchemaValidator() {
    }

    /** {@inheritDoc} */
    public void validate(Artifact artifact) throws ValidationException {
        validateArtifact(artifact);
    }
    
    /**
     * Test that Artifact element content is not empty.
     * 
     * @param artifact artifact to validate
     * @throws ValidationException if invalid
     */
    protected void validateArtifact(Artifact artifact) throws ValidationException {
        if (DatatypeHelper.isEmpty(artifact.getArtifact())) {
            throw new ValidationException("Artifact must contain a value");
        }
    }

}