src/main/java/org/takes/facets/auth/codecs/CcGzip.java
/*
* The MIT License (MIT)
*
* Copyright (c) 2014-2024 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.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
import lombok.EqualsAndHashCode;
import org.takes.facets.auth.Identity;
/**
* Gzip codec.
*
* <p>The class is immutable and thread-safe.
*
* @since 0.16
*/
@EqualsAndHashCode
public final class CcGzip implements Codec {
/**
* Original codec.
*/
private final Codec origin;
/**
* Ctor.
* @param codec Original
*/
public CcGzip(final Codec codec) {
this.origin = codec;
}
@Override
public byte[] encode(final Identity identity) throws IOException {
final ByteArrayOutputStream out = new ByteArrayOutputStream();
try (GZIPOutputStream gzip = new GZIPOutputStream(out)) {
gzip.write(this.origin.encode(identity));
}
return out.toByteArray();
}
@Override
public Identity decode(final byte[] bytes) throws IOException {
final ByteArrayOutputStream out = new ByteArrayOutputStream();
try (InputStream gzip = new GZIPInputStream(
new ByteArrayInputStream(bytes)
)
) {
while (true) {
final int data = gzip.read();
if (data < 0) {
break;
}
out.write(data);
}
}
return this.origin.decode(out.toByteArray());
}
}