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CcPlain.java
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CcPlain.java
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/*
* The MIT License (MIT)
*
* Copyright (c) 2014-2018 Yegor Bugayenko
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.takes.facets.auth.codecs;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.nio.charset.Charset;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import lombok.EqualsAndHashCode;
import org.cactoos.Text;
import org.cactoos.list.ListOf;
import org.cactoos.text.SplitText;
import org.takes.facets.auth.Identity;
import org.takes.misc.Utf8String;
/**
* Plain codec.
*
* <p>The class is immutable and thread-safe.
*
* @since 0.1
*/
@EqualsAndHashCode
public final class CcPlain implements Codec {
@Override
public byte[] encode(final Identity identity) throws IOException {
final String encoding = Charset.defaultCharset().name();
final StringBuilder text = new StringBuilder(
URLEncoder.encode(identity.urn(), encoding)
);
for (final Map.Entry<String, String> ent
: identity.properties().entrySet()) {
text.append(';')
.append(ent.getKey())
.append('=')
.append(URLEncoder.encode(ent.getValue(), encoding));
}
return new Utf8String(text.toString()).asBytes();
}
@Override
public Identity decode(final byte[] bytes) throws IOException {
final List<Text> parts = new ListOf<>(new SplitText(new Utf8String(bytes), ";"));
final Map<String, String> map = new HashMap<>(parts.size());
for (int idx = 1; idx < parts.size(); ++idx) {
final String[] pair = parts.get(idx).asString().split("=");
try {
map.put(pair[0], CcPlain.decode(pair[1]));
} catch (final IllegalArgumentException ex) {
throw new DecodingException(ex);
}
}
return new Identity.Simple(CcPlain.decode(parts.get(0).asString()), map);
}
/**
* Decode from URL.
* @param text The text
* @return Decoded
* @throws UnsupportedEncodingException If fails
*/
private static String decode(final String text)
throws UnsupportedEncodingException {
try {
return URLDecoder.decode(text, Charset.defaultCharset().name());
} catch (final IllegalArgumentException ex) {
throw new DecodingException(ex);
}
}
}