65 lines
1.9 KiB
Java
65 lines
1.9 KiB
Java
/**
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*
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* Copyright the original author or authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smack.util.stringencoder.java7;
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import java.nio.charset.StandardCharsets;
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import java.util.Base64;
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import org.jivesoftware.smack.util.stringencoder.StringEncoder;
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/**
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* A Base 64 encoding implementation that generates filename and Url safe encodings.
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*
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* <p>
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* Note: This does NOT produce standard Base 64 encodings, but a variant as defined in
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* Section 4 of RFC3548:
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* <a href="http://www.faqs.org/rfcs/rfc3548.html">http://www.faqs.org/rfcs/rfc3548.html</a>.
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* </p>
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*
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* @author Robin Collier
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*/
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public final class Java7Base64UrlSafeEncoder implements StringEncoder<String> {
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private static final Java7Base64UrlSafeEncoder instance = new Java7Base64UrlSafeEncoder();
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private final Base64.Encoder encoder;
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private final Base64.Decoder decoder;
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private Java7Base64UrlSafeEncoder() {
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encoder = Base64.getUrlEncoder();
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decoder = Base64.getUrlDecoder();
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}
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public static Java7Base64UrlSafeEncoder getInstance() {
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return instance;
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}
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@Override
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public String encode(String s) {
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byte[] bytes = s.getBytes(StandardCharsets.UTF_8);
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return encoder.encodeToString(bytes);
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}
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@Override
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public String decode(String s) {
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byte[] bytes = decoder.decode(s);
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return new String(bytes, StandardCharsets.UTF_8);
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}
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}
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