60 lines
1.9 KiB
Java
60 lines
1.9 KiB
Java
/**
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*
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* Copyright © 2014 Florian Schmaus
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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.android;
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import java.io.UnsupportedEncodingException;
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import org.jivesoftware.smack.util.StringUtils;
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import org.jivesoftware.smack.util.stringencoder.StringEncoder;
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import android.util.Base64;
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public class AndroidBase64UrlSafeEncoder implements StringEncoder {
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private static AndroidBase64UrlSafeEncoder instance = new AndroidBase64UrlSafeEncoder();
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private static final int BASE64_ENCODER_FLAGS = Base64.URL_SAFE | Base64.NO_WRAP;
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private AndroidBase64UrlSafeEncoder() {
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// Use getInstance()
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}
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public static AndroidBase64UrlSafeEncoder getInstance() {
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return instance;
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}
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@Override
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public String encode(String string) {
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try {
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return Base64.encodeToString(string.getBytes(StringUtils.UTF8), BASE64_ENCODER_FLAGS);
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} catch (UnsupportedEncodingException e) {
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throw new IllegalStateException("UTF-8 not supported", e);
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}
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}
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@Override
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public String decode(String string) {
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byte[] bytes = Base64.decode(string, BASE64_ENCODER_FLAGS);
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try {
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return new String(bytes, StringUtils.UTF8);
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} catch (UnsupportedEncodingException e) {
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throw new IllegalStateException("UTF-8 not supported", e);
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}
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}
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}
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