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EncodedPayload.java
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EncodedPayload.java
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// Copyright 2019 Google LLC
//
// Licensed 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 com.google.android.datatransport.runtime;
import androidx.annotation.NonNull;
import com.google.android.datatransport.Encoding;
import java.util.Arrays;
/**
* Represents encoded payloads.
*
* <p>It is essentially a pair of {@code (encoding, bytes)}, where {@code bytes} are encoded using
* {@code encoding}.
*
* <p>Overrides {@link #equals(Object)} and {@link #hashCode()} to enable value semantics.
*/
public final class EncodedPayload {
private final Encoding encoding;
private final byte[] bytes;
public EncodedPayload(@NonNull Encoding encoding, @NonNull byte[] bytes) {
if (encoding == null) {
throw new NullPointerException("encoding is null");
}
if (bytes == null) {
throw new NullPointerException("bytes is null");
}
this.encoding = encoding;
this.bytes = bytes;
}
public Encoding getEncoding() {
return encoding;
}
public byte[] getBytes() {
return bytes;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof EncodedPayload)) return false;
EncodedPayload that = (EncodedPayload) o;
if (!encoding.equals(that.encoding)) return false;
return Arrays.equals(bytes, that.bytes);
}
@Override
public int hashCode() {
int h = 1000003;
h ^= encoding.hashCode();
h *= 1000003;
h ^= Arrays.hashCode(bytes);
return h;
}
@Override
public String toString() {
return "EncodedPayload{" + "encoding=" + encoding + ", bytes=[...]}";
}
}