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/**
* All rights reserved. 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.jivesoftware.smack.util;
/**
* A Base 64 encoding implementation that generates filename and Url safe encodings.
*
* <p>
* Note: This does NOT produce standard Base 64 encodings, but a variant as defined in
* Section 4 of RFC3548:
* <a href="http://www.faqs.org/rfcs/rfc3548.html">http://www.faqs.org/rfcs/rfc3548.html</a>.
*
* @author Robin Collier
*/
public class Base64FileUrlEncoder implements StringEncoder {
private static Base64FileUrlEncoder instance = new Base64FileUrlEncoder();
private Base64FileUrlEncoder() {
// Use getInstance()
}
public static Base64FileUrlEncoder getInstance() {
return instance;
}
public String encode(String s) {
return Base64.encodeBytes(s.getBytes(), Base64.URL_SAFE);
}
public String decode(String s) {
return new String(Base64.decode(s, Base64.URL_SAFE));
}
}
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