com.groupbyinc.common.apache.commons.text.lookup.Base64DecoderStringLookup Maven / Gradle / Ivy
/*
* 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.apache.commons.text.lookup;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
/**
* Decodes Base64 Strings.
*
* @since 1.5
*/
final class Base64DecoderStringLookup extends AbstractStringLookup {
/**
* Defines the singleton for this class.
*/
static final Base64DecoderStringLookup INSTANCE = new Base64DecoderStringLookup();
/**
* No need to build instances for now.
*/
private Base64DecoderStringLookup() {
// empty
}
@Override
public String lookup(final String key) {
if (key == null) {
return null;
}
return new String(Base64.getDecoder().decode(key), StandardCharsets.ISO_8859_1);
}
}