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https://github.com/google/nomulus.git
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5012893c1d
This change renames directories in preparation for the great package rename. The repository is now in a broken state because the code itself hasn't been updated. However this should ensure that git correctly preserves history for each file.
70 lines
2.3 KiB
Java
70 lines
2.3 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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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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package com.google.domain.registry.util;
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import static com.google.common.base.Preconditions.checkNotNull;
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import static com.google.common.io.BaseEncoding.base16;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import javax.annotation.Nullable;
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/** Utilities for easy serialization with informative error messages. */
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public final class SerializeUtils {
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/**
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* Turns an object into a byte array.
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*
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* @return serialized object or {@code null} if {@code value} is {@code null}
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*/
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@Nullable
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public static byte[] serialize(@Nullable Object value) {
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if (value == null) {
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return null;
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}
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ByteArrayOutputStream objectBytes = new ByteArrayOutputStream();
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try (ObjectOutputStream oos = new ObjectOutputStream(objectBytes)) {
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oos.writeObject(value);
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} catch (IOException e) {
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throw new IllegalArgumentException("Unable to serialize: " + value, e);
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}
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return objectBytes.toByteArray();
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}
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/**
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* Turns a byte array into an object.
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*
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* @return deserialized object or {@code null} if {@code objectBytes} is {@code null}
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*/
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@Nullable
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public static <T> T deserialize(Class<T> type, @Nullable byte[] objectBytes) {
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checkNotNull(type);
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if (objectBytes == null) {
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return null;
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}
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try {
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return type.cast(new ObjectInputStream(new ByteArrayInputStream(objectBytes)).readObject());
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} catch (ClassNotFoundException | IOException e) {
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throw new IllegalArgumentException(
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"Unable to deserialize: objectBytes=" + base16().encode(objectBytes), e);
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}
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}
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private SerializeUtils() {}
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}
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