/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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
*
* 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.superbiz.jaxws;
import javax.ejb.Lock;
import javax.ejb.LockType;
import javax.ejb.Singleton;
import javax.jws.WebService;
@Lock(LockType.READ)
@Singleton
@WebService
public class Rot13 {
public String rot13(final String in) {
final StringBuilder builder = new StringBuilder(in.length());
for (int b : in.toCharArray()) {
int cap = b & 32;
b &= ~cap;
if (Character.isUpperCase(b)) {
b = (b - 'A' + 13) % 26 + 'A';
} else {
b = cap;
}
b |= cap;
builder.append((char) b);
}
return builder.toString();
}
}