/*
 * Licensed to Jasig under one or more contributor license
 * agreements. See the NOTICE file distributed with this work
 * for additional information regarding copyright ownership.
 * Jasig licenses this file to you 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 the following location:
 *
 *   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.jasig.cas.authentication.handler;

/**
 * Transform the user id by adding a prefix or suffix.
 *
 * @author Howard Gilbert
 * @author Scott Battaglia
 * @version $Revision$ $Date$
 * @since 3.3.6
 */

public final class PrefixSuffixPrincipalNameTransformer implements PrincipalNameTransformer {

    private String prefix;

    private String suffix;

    public String transform(final String formUserId) {
        final StringBuilder stringBuilder = new StringBuilder();

        if (this.prefix != null) {
            stringBuilder.append(this.prefix);
        }

        stringBuilder.append(formUserId);

        if (this.suffix != null) {
            stringBuilder.append(this.suffix);
        }

        return stringBuilder.toString();
    }

    public void setPrefix(final String prefix) {
        this.prefix = prefix;
    }

    public void setSuffix(final String suffix) {
        this.suffix = suffix;
    }
}
