[BAEL-4268]Different Serialization Approaches for Java (#10928)

* [BAEL-4268]Different Serialization Approaches for Java Code Changes * [BAEL-4268]Different Serialization Approaches for Java Code formatting changes * [BAEL-4268]Different Serialization Approaches for Java Added user proto file * [BAEL-4268]Different Serialization Approaches for Java updated pom.xml * [BAEL-4268]Different Serialization Approaches for Java Fixed indentation in pom.xml * [BAEL-4268]Different Serialization Approaches for Java Updated pom.xml * [BAEL-4268]Different Serialization Approaches for Java Fixed indentation in pom.xml Co-authored-by: MeenaGawande <MeenaGawande@users.noreply.github.com>
2021-07-04 03:25:12 +05:30 · 2021-07-04 03:25:12 +05:30 · daf3450533
parent 8011badd12
commit daf3450533
15 changed files with 1018 additions and 0 deletions
--- a/libraries-data-io/pom.xml
+++ b/libraries-data-io/pom.xml
@ -55,6 +55,46 @@
            <artifactId>docx4j</artifactId>
            <version>${docx4j.version}</version>
        </dependency>
+        <!-- gson api -->
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+            <version>${gson.version}</version>
+        </dependency>
+        <!-- jackson api -->
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <version>${jackson.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-core</artifactId>
+            <version>${jackson.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-annotations</artifactId>
+            <version>${jackson.version}</version>
+        </dependency>
+        <!-- yaml beans api -->
+        <dependency>
+            <groupId>com.esotericsoftware.yamlbeans</groupId>
+            <artifactId>yamlbeans</artifactId>
+            <version>${yamlbeans.version}</version>
+        </dependency>
+        <!-- apache thrift api -->
+        <dependency>
+            <groupId>org.apache.thrift</groupId>
+            <artifactId>libthrift</artifactId>
+            <version>${apache-thrift.version}</version>
+        </dependency>
+        <!-- google protocol buffers api -->
+        <dependency>
+            <groupId>com.google.protobuf</groupId>
+            <artifactId>protobuf-java</artifactId>
+            <version>${google-protobuf.version}</version>
+        </dependency>
        <dependency>
            <groupId>org.assertj</groupId>
            <artifactId>assertj-core</artifactId>
@ -73,6 +113,11 @@
        <org.assertj.core.version>3.9.0</org.assertj.core.version>
        <docx4j.version>3.3.5</docx4j.version>
        <jaxb-api.version>2.1</jaxb-api.version>
+        <gson.version>2.8.7</gson.version>
+        <jackson.version>2.12.3</jackson.version>
+        <yamlbeans.version>1.15</yamlbeans.version>
+        <apache-thrift.version>0.14.2</apache-thrift.version>
+        <google-protobuf.version>3.17.3</google-protobuf.version>
    </properties>

 </project>
--- a/libraries-data-io/src/main/java/com/baeldung/serialization/protocols/User.java
+++ b/libraries-data-io/src/main/java/com/baeldung/serialization/protocols/User.java
@ -0,0 +1,32 @@
+package com.baeldung.serialization.protocols;
+
+import java.io.Serializable;
+
+public class User implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    private int id;
+    private String name;
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    @Override
+    public String toString() {
+        return "User [id=" + id + ", name=" + name + "]";
+    }
+}
--- a/libraries-data-io/src/main/java/com/baeldung/serialization/protocols/UserProtos.java
+++ b/libraries-data-io/src/main/java/com/baeldung/serialization/protocols/UserProtos.java
@ -0,0 +1,636 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: user.proto
+
+package com.baeldung.serialization.protocols;
+
+public final class UserProtos {
+    private UserProtos() {
+    }
+
+    public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {
+    }
+
+    public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
+        registerAllExtensions((com.google.protobuf.ExtensionRegistryLite) registry);
+    }
+
+    public interface UserOrBuilder extends
+        // @@protoc_insertion_point(interface_extends:protobuf.User)
+        com.google.protobuf.MessageOrBuilder {
+
+        /**
+         * <code>int32 id = 1;</code>
+         * @return The id.
+         */
+        int getId();
+
+        /**
+         * <code>string name = 2;</code>
+         * @return The name.
+         */
+        java.lang.String getName();
+
+        /**
+         * <code>string name = 2;</code>
+         * @return The bytes for name.
+         */
+        com.google.protobuf.ByteString getNameBytes();
+    }
+
+    /**
+     * Protobuf type {@code protobuf.User}
+     */
+    public static final class User extends com.google.protobuf.GeneratedMessageV3 implements
+        // @@protoc_insertion_point(message_implements:protobuf.User)
+        UserOrBuilder {
+        private static final long serialVersionUID = 0L;
+
+        // Use User.newBuilder() to construct.
+        private User(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+            super(builder);
+        }
+
+        private User() {
+            name_ = "";
+        }
+
+        @java.lang.Override
+        @SuppressWarnings({ "unused" })
+        protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+            return new User();
+        }
+
+        @java.lang.Override
+        public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+            return this.unknownFields;
+        }
+
+        private User(com.google.protobuf.CodedInputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws com.google.protobuf.InvalidProtocolBufferException {
+            this();
+            if (extensionRegistry == null) {
+                throw new java.lang.NullPointerException();
+            }
+            com.google.protobuf.UnknownFieldSet.Builder unknownFields = com.google.protobuf.UnknownFieldSet.newBuilder();
+            try {
+                boolean done = false;
+                while (!done) {
+                    int tag = input.readTag();
+                    switch (tag) {
+                    case 0:
+                        done = true;
+                        break;
+                    case 8: {
+
+                        id_ = input.readInt32();
+                        break;
+                    }
+                    case 18: {
+                        java.lang.String s = input.readStringRequireUtf8();
+
+                        name_ = s;
+                        break;
+                    }
+                    default: {
+                        if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                            done = true;
+                        }
+                        break;
+                    }
+                    }
+                }
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+                throw e.setUnfinishedMessage(this);
+            } catch (java.io.IOException e) {
+                throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+            } finally {
+                this.unknownFields = unknownFields.build();
+                makeExtensionsImmutable();
+            }
+        }
+
+        public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+            return com.baeldung.serialization.protocols.UserProtos.internal_static_protobuf_User_descriptor;
+        }
+
+        @java.lang.Override
+        protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable internalGetFieldAccessorTable() {
+            return com.baeldung.serialization.protocols.UserProtos.internal_static_protobuf_User_fieldAccessorTable.ensureFieldAccessorsInitialized(com.baeldung.serialization.protocols.UserProtos.User.class,
+                com.baeldung.serialization.protocols.UserProtos.User.Builder.class);
+        }
+
+        public static final int ID_FIELD_NUMBER = 1;
+        private int id_;
+
+        /**
+         * <code>int32 id = 1;</code>
+         * @return The id.
+         */
+        @java.lang.Override
+        public int getId() {
+            return id_;
+        }
+
+        public static final int NAME_FIELD_NUMBER = 2;
+        private volatile java.lang.Object name_;
+
+        /**
+         * <code>string name = 2;</code>
+         * @return The name.
+         */
+        @java.lang.Override
+        public java.lang.String getName() {
+            java.lang.Object ref = name_;
+            if (ref instanceof java.lang.String) {
+                return (java.lang.String) ref;
+            } else {
+                com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+                java.lang.String s = bs.toStringUtf8();
+                name_ = s;
+                return s;
+            }
+        }
+
+        /**
+         * <code>string name = 2;</code>
+         * @return The bytes for name.
+         */
+        @java.lang.Override
+        public com.google.protobuf.ByteString getNameBytes() {
+            java.lang.Object ref = name_;
+            if (ref instanceof java.lang.String) {
+                com.google.protobuf.ByteString b = com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+                name_ = b;
+                return b;
+            } else {
+                return (com.google.protobuf.ByteString) ref;
+            }
+        }
+
+        private byte memoizedIsInitialized = -1;
+
+        @java.lang.Override
+        public final boolean isInitialized() {
+            byte isInitialized = memoizedIsInitialized;
+            if (isInitialized == 1)
+                return true;
+            if (isInitialized == 0)
+                return false;
+
+            memoizedIsInitialized = 1;
+            return true;
+        }
+
+        @java.lang.Override
+        public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+            if (id_ != 0) {
+                output.writeInt32(1, id_);
+            }
+            if (!getNameBytes().isEmpty()) {
+                com.google.protobuf.GeneratedMessageV3.writeString(output, 2, name_);
+            }
+            unknownFields.writeTo(output);
+        }
+
+        @java.lang.Override
+        public int getSerializedSize() {
+            int size = memoizedSize;
+            if (size != -1)
+                return size;
+
+            size = 0;
+            if (id_ != 0) {
+                size += com.google.protobuf.CodedOutputStream.computeInt32Size(1, id_);
+            }
+            if (!getNameBytes().isEmpty()) {
+                size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, name_);
+            }
+            size += unknownFields.getSerializedSize();
+            memoizedSize = size;
+            return size;
+        }
+
+        @java.lang.Override
+        public boolean equals(final java.lang.Object obj) {
+            if (obj == this) {
+                return true;
+            }
+            if (!(obj instanceof com.baeldung.serialization.protocols.UserProtos.User)) {
+                return super.equals(obj);
+            }
+            com.baeldung.serialization.protocols.UserProtos.User other = (com.baeldung.serialization.protocols.UserProtos.User) obj;
+
+            if (getId() != other.getId())
+                return false;
+            if (!getName().equals(other.getName()))
+                return false;
+            if (!unknownFields.equals(other.unknownFields))
+                return false;
+            return true;
+        }
+
+        @java.lang.Override
+        public int hashCode() {
+            if (memoizedHashCode != 0) {
+                return memoizedHashCode;
+            }
+            int hash = 41;
+            hash = (19 * hash) + getDescriptor().hashCode();
+            hash = (37 * hash) + ID_FIELD_NUMBER;
+            hash = (53 * hash) + getId();
+            hash = (37 * hash) + NAME_FIELD_NUMBER;
+            hash = (53 * hash) + getName().hashCode();
+            hash = (29 * hash) + unknownFields.hashCode();
+            memoizedHashCode = hash;
+            return hash;
+        }
+
+        public static com.baeldung.serialization.protocols.UserProtos.User parseFrom(java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+            return PARSER.parseFrom(data);
+        }
+
+        public static com.baeldung.serialization.protocols.UserProtos.User parseFrom(java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws com.google.protobuf.InvalidProtocolBufferException {
+            return PARSER.parseFrom(data, extensionRegistry);
+        }
+
+        public static com.baeldung.serialization.protocols.UserProtos.User parseFrom(com.google.protobuf.ByteString data) throws com.google.protobuf.InvalidProtocolBufferException {
+            return PARSER.parseFrom(data);
+        }
+
+        public static com.baeldung.serialization.protocols.UserProtos.User parseFrom(com.google.protobuf.ByteString data, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws com.google.protobuf.InvalidProtocolBufferException {
+            return PARSER.parseFrom(data, extensionRegistry);
+        }
+
+        public static com.baeldung.serialization.protocols.UserProtos.User parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+            return PARSER.parseFrom(data);
+        }
+
+        public static com.baeldung.serialization.protocols.UserProtos.User parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws com.google.protobuf.InvalidProtocolBufferException {
+            return PARSER.parseFrom(data, extensionRegistry);
+        }
+
+        public static com.baeldung.serialization.protocols.UserProtos.User parseFrom(java.io.InputStream input) throws java.io.IOException {
+            return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        }
+
+        public static com.baeldung.serialization.protocols.UserProtos.User parseFrom(java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws java.io.IOException {
+            return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input, extensionRegistry);
+        }
+
+        public static com.baeldung.serialization.protocols.UserProtos.User parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+            return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+        }
+
+        public static com.baeldung.serialization.protocols.UserProtos.User parseDelimitedFrom(java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws java.io.IOException {
+            return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input, extensionRegistry);
+        }
+
+        public static com.baeldung.serialization.protocols.UserProtos.User parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+            return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        }
+
+        public static com.baeldung.serialization.protocols.UserProtos.User parseFrom(com.google.protobuf.CodedInputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws java.io.IOException {
+            return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input, extensionRegistry);
+        }
+
+        @java.lang.Override
+        public Builder newBuilderForType() {
+            return newBuilder();
+        }
+
+        public static Builder newBuilder() {
+            return DEFAULT_INSTANCE.toBuilder();
+        }
+
+        public static Builder newBuilder(com.baeldung.serialization.protocols.UserProtos.User prototype) {
+            return DEFAULT_INSTANCE.toBuilder()
+                .mergeFrom(prototype);
+        }
+
+        @java.lang.Override
+        public Builder toBuilder() {
+            return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+        }
+
+        @java.lang.Override
+        protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+            Builder builder = new Builder(parent);
+            return builder;
+        }
+
+        /**
+         * Protobuf type {@code protobuf.User}
+         */
+        public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+            // @@protoc_insertion_point(builder_implements:protobuf.User)
+            com.baeldung.serialization.protocols.UserProtos.UserOrBuilder {
+            public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+                return com.baeldung.serialization.protocols.UserProtos.internal_static_protobuf_User_descriptor;
+            }
+
+            @java.lang.Override
+            protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable internalGetFieldAccessorTable() {
+                return com.baeldung.serialization.protocols.UserProtos.internal_static_protobuf_User_fieldAccessorTable.ensureFieldAccessorsInitialized(com.baeldung.serialization.protocols.UserProtos.User.class,
+                    com.baeldung.serialization.protocols.UserProtos.User.Builder.class);
+            }
+
+            // Construct using com.baeldung.serialization.compare.UserProtos.User.newBuilder()
+            private Builder() {
+                maybeForceBuilderInitialization();
+            }
+
+            private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+                super(parent);
+                maybeForceBuilderInitialization();
+            }
+
+            private void maybeForceBuilderInitialization() {
+                if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
+                }
+            }
+
+            @java.lang.Override
+            public Builder clear() {
+                super.clear();
+                id_ = 0;
+
+                name_ = "";
+
+                return this;
+            }
+
+            @java.lang.Override
+            public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+                return com.baeldung.serialization.protocols.UserProtos.internal_static_protobuf_User_descriptor;
+            }
+
+            @java.lang.Override
+            public com.baeldung.serialization.protocols.UserProtos.User getDefaultInstanceForType() {
+                return com.baeldung.serialization.protocols.UserProtos.User.getDefaultInstance();
+            }
+
+            @java.lang.Override
+            public com.baeldung.serialization.protocols.UserProtos.User build() {
+                com.baeldung.serialization.protocols.UserProtos.User result = buildPartial();
+                if (!result.isInitialized()) {
+                    throw newUninitializedMessageException(result);
+                }
+                return result;
+            }
+
+            @java.lang.Override
+            public com.baeldung.serialization.protocols.UserProtos.User buildPartial() {
+                com.baeldung.serialization.protocols.UserProtos.User result = new com.baeldung.serialization.protocols.UserProtos.User(this);
+                result.id_ = id_;
+                result.name_ = name_;
+                onBuilt();
+                return result;
+            }
+
+            @java.lang.Override
+            public Builder clone() {
+                return super.clone();
+            }
+
+            @java.lang.Override
+            public Builder setField(com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+                return super.setField(field, value);
+            }
+
+            @java.lang.Override
+            public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+                return super.clearField(field);
+            }
+
+            @java.lang.Override
+            public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+                return super.clearOneof(oneof);
+            }
+
+            @java.lang.Override
+            public Builder setRepeatedField(com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+                return super.setRepeatedField(field, index, value);
+            }
+
+            @java.lang.Override
+            public Builder addRepeatedField(com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+                return super.addRepeatedField(field, value);
+            }
+
+            @java.lang.Override
+            public Builder mergeFrom(com.google.protobuf.Message other) {
+                if (other instanceof com.baeldung.serialization.protocols.UserProtos.User) {
+                    return mergeFrom((com.baeldung.serialization.protocols.UserProtos.User) other);
+                } else {
+                    super.mergeFrom(other);
+                    return this;
+                }
+            }
+
+            public Builder mergeFrom(com.baeldung.serialization.protocols.UserProtos.User other) {
+                if (other == com.baeldung.serialization.protocols.UserProtos.User.getDefaultInstance())
+                    return this;
+                if (other.getId() != 0) {
+                    setId(other.getId());
+                }
+                if (!other.getName()
+                    .isEmpty()) {
+                    name_ = other.name_;
+                    onChanged();
+                }
+                this.mergeUnknownFields(other.unknownFields);
+                onChanged();
+                return this;
+            }
+
+            @java.lang.Override
+            public final boolean isInitialized() {
+                return true;
+            }
+
+            @java.lang.Override
+            public Builder mergeFrom(com.google.protobuf.CodedInputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws java.io.IOException {
+                com.baeldung.serialization.protocols.UserProtos.User parsedMessage = null;
+                try {
+                    parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+                } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+                    parsedMessage = (com.baeldung.serialization.protocols.UserProtos.User) e.getUnfinishedMessage();
+                    throw e.unwrapIOException();
+                } finally {
+                    if (parsedMessage != null) {
+                        mergeFrom(parsedMessage);
+                    }
+                }
+                return this;
+            }
+
+            private int id_;
+
+            /**
+             * <code>int32 id = 1;</code>
+             * @return The id.
+             */
+            @java.lang.Override
+            public int getId() {
+                return id_;
+            }
+
+            /**
+             * <code>int32 id = 1;</code>
+             * @param value The id to set.
+             * @return This builder for chaining.
+             */
+            public Builder setId(int value) {
+
+                id_ = value;
+                onChanged();
+                return this;
+            }
+
+            /**
+             * <code>int32 id = 1;</code>
+             * @return This builder for chaining.
+             */
+            public Builder clearId() {
+
+                id_ = 0;
+                onChanged();
+                return this;
+            }
+
+            private java.lang.Object name_ = "";
+
+            /**
+             * <code>string name = 2;</code>
+             * @return The name.
+             */
+            public java.lang.String getName() {
+                java.lang.Object ref = name_;
+                if (!(ref instanceof java.lang.String)) {
+                    com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+                    java.lang.String s = bs.toStringUtf8();
+                    name_ = s;
+                    return s;
+                } else {
+                    return (java.lang.String) ref;
+                }
+            }
+
+            /**
+             * <code>string name = 2;</code>
+             * @return The bytes for name.
+             */
+            public com.google.protobuf.ByteString getNameBytes() {
+                java.lang.Object ref = name_;
+                if (ref instanceof String) {
+                    com.google.protobuf.ByteString b = com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+                    name_ = b;
+                    return b;
+                } else {
+                    return (com.google.protobuf.ByteString) ref;
+                }
+            }
+
+            /**
+             * <code>string name = 2;</code>
+             * @param value The name to set.
+             * @return This builder for chaining.
+             */
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+                if (value == null) {
+                    throw new NullPointerException();
+                }
+
+                name_ = value;
+                onChanged();
+                return this;
+            }
+
+            /**
+             * <code>string name = 2;</code>
+             * @return This builder for chaining.
+             */
+            public Builder clearName() {
+
+                name_ = getDefaultInstance().getName();
+                onChanged();
+                return this;
+            }
+
+            /**
+             * <code>string name = 2;</code>
+             * @param value The bytes for name to set.
+             * @return This builder for chaining.
+             */
+            public Builder setNameBytes(com.google.protobuf.ByteString value) {
+                if (value == null) {
+                    throw new NullPointerException();
+                }
+                checkByteStringIsUtf8(value);
+
+                name_ = value;
+                onChanged();
+                return this;
+            }
+
+            @java.lang.Override
+            public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+                return super.setUnknownFields(unknownFields);
+            }
+
+            @java.lang.Override
+            public final Builder mergeUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+                return super.mergeUnknownFields(unknownFields);
+            }
+
+            // @@protoc_insertion_point(builder_scope:protobuf.User)
+        }
+
+        // @@protoc_insertion_point(class_scope:protobuf.User)
+        private static final com.baeldung.serialization.protocols.UserProtos.User DEFAULT_INSTANCE;
+        static {
+            DEFAULT_INSTANCE = new com.baeldung.serialization.protocols.UserProtos.User();
+        }
+
+        public static com.baeldung.serialization.protocols.UserProtos.User getDefaultInstance() {
+            return DEFAULT_INSTANCE;
+        }
+
+        private static final com.google.protobuf.Parser<User> PARSER = new com.google.protobuf.AbstractParser<User>() {
+            @java.lang.Override
+            public User parsePartialFrom(com.google.protobuf.CodedInputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws com.google.protobuf.InvalidProtocolBufferException {
+                return new User(input, extensionRegistry);
+            }
+        };
+
+        public static com.google.protobuf.Parser<User> parser() {
+            return PARSER;
+        }
+
+        @java.lang.Override
+        public com.google.protobuf.Parser<User> getParserForType() {
+            return PARSER;
+        }
+
+        @java.lang.Override
+        public com.baeldung.serialization.protocols.UserProtos.User getDefaultInstanceForType() {
+            return DEFAULT_INSTANCE;
+        }
+    }
+
+    private static final com.google.protobuf.Descriptors.Descriptor internal_static_protobuf_User_descriptor;
+    private static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable internal_static_protobuf_User_fieldAccessorTable;
+
+    public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
+        return descriptor;
+    }
+
+    private static com.google.protobuf.Descriptors.FileDescriptor descriptor;
+    static {
+        java.lang.String[] descriptorData = { "\n\nuser.proto\022\010protobuf\" \n\004User\022\n\n\002id\030\001 \001" + "(\005\022\014\n\004name\030\002 \001(\tB0\n\"com.baeldung.seriali" + "zation.compareB\nUserProtosb\006proto3" };
+        descriptor = com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(descriptorData, new com.google.protobuf.Descriptors.FileDescriptor[] {});
+        internal_static_protobuf_User_descriptor = getDescriptor().getMessageTypes()
+            .get(0);
+        internal_static_protobuf_User_fieldAccessorTable = new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(internal_static_protobuf_User_descriptor, new java.lang.String[] { "Id", "Name", });
+    }
+    // @@protoc_insertion_point(outer_class_scope)
+}
--- a/libraries-data-io/src/test/java/com/baeldung/serialization/protocols/ApacheThriftSerializationUnitTest.java
+++ b/libraries-data-io/src/test/java/com/baeldung/serialization/protocols/ApacheThriftSerializationUnitTest.java
@ -0,0 +1,32 @@
+package com.baeldung.serialization.protocols;
+
+import static org.junit.Assert.assertEquals;
+
+import org.apache.thrift.TException;
+import org.apache.thrift.protocol.TBinaryProtocol;
+import org.apache.thrift.protocol.TProtocol;
+import org.apache.thrift.transport.TMemoryBuffer;
+import org.junit.jupiter.api.Test;
+
+public class ApacheThriftSerializationUnitTest {
+
+    @Test
+    public void whenUsingThriftForSerialization_ThenDataIsSameAfterDeserialization() throws TException {
+        
+        User user = new User();
+        user.setId(2);
+        user.setName("Greg");
+
+        TMemoryBuffer trans = new TMemoryBuffer(4096);
+        TProtocol proto = new TBinaryProtocol(trans);
+        
+        proto.writeI32(user.getId());
+        proto.writeString(user.getName());
+        
+        int userId = proto.readI32();
+        String userName = proto.readString();
+        
+        assertEquals(2, userId);
+        assertEquals("Greg", userName);
+    }
+}
--- a/libraries-data-io/src/test/java/com/baeldung/serialization/protocols/GoogleProtocolBufferUnitTest.java
+++ b/libraries-data-io/src/test/java/com/baeldung/serialization/protocols/GoogleProtocolBufferUnitTest.java
@ -0,0 +1,27 @@
+package com.baeldung.serialization.protocols;
+
+import static org.junit.Assert.assertEquals;
+
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+import org.junit.jupiter.api.Test;
+
+public class GoogleProtocolBufferUnitTest {
+
+    @Test
+    public void whenUsingProtocolBuffersSerialization_ThenObjectIsTheSameAfterDeserialization() throws IOException {
+
+        String filePath = "src/test/resources/protocols/usersproto";
+
+        UserProtos.User user = UserProtos.User.newBuilder().setId(1234).setName("John Doe").build();
+        FileOutputStream fos = new FileOutputStream(filePath);
+        user.writeTo(fos);
+
+        UserProtos.User deserializedUser = UserProtos.User.newBuilder().mergeFrom(new FileInputStream(filePath)).build();
+        
+        assertEquals(1234, deserializedUser.getId());
+        assertEquals("John Doe", deserializedUser.getName());
+    }
+}
--- a/libraries-data-io/src/test/java/com/baeldung/serialization/protocols/GsonSerializationUnitTest.java
+++ b/libraries-data-io/src/test/java/com/baeldung/serialization/protocols/GsonSerializationUnitTest.java
@ -0,0 +1,51 @@
+package com.baeldung.serialization.protocols;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.Writer;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+
+import org.junit.Assert;
+import org.junit.jupiter.api.Test;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+public class GsonSerializationUnitTest {
+
+    @Test
+    public void whenSerializedUsingGson_ThenObjectIsSameAfterDeserialization() {
+       
+        User user = new User();
+        user.setId(1);
+        user.setName("Mark");
+
+        String filePath = "src/test/resources/protocols/gson_user.json";
+
+        try (Writer writer = new FileWriter(filePath)) {
+            Gson gson = new GsonBuilder().setPrettyPrinting().create();
+            gson.toJson(user, writer);
+            
+            assertTrue(Files.exists(Paths.get(filePath)));
+            
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        
+        try {
+            Gson gson = new GsonBuilder().setPrettyPrinting().create();
+            User deserializedUser = gson.fromJson(new FileReader(filePath), User.class);
+            
+            assertEquals(1, deserializedUser.getId());
+            assertEquals("Mark", deserializedUser.getName());
+            
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}
--- a/libraries-data-io/src/test/java/com/baeldung/serialization/protocols/JacksonSerializationUnitTest.java
+++ b/libraries-data-io/src/test/java/com/baeldung/serialization/protocols/JacksonSerializationUnitTest.java
@ -0,0 +1,61 @@
+package com.baeldung.serialization.protocols;
+
+import static org.junit.Assert.assertEquals;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.junit.jupiter.api.Test;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class JacksonSerializationUnitTest {
+
+    @Test
+    public void whenUsingJacksonAPIForJSONSerialization_thenDeserializeCorrectObject() throws IOException {
+
+        User user = new User();
+        user.setId(1);
+        user.setName("Mark Jonson");
+
+        String filePath = "src/test/resources/protocols/jackson_user.json";
+
+        File file = new File(filePath);
+        
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.writeValue(file, user);
+
+        User deserializedUser = mapper.readValue(new File(filePath), User.class);
+        
+        assertEquals(1, deserializedUser.getId());
+        assertEquals("Mark Jonson", deserializedUser.getName());
+    }
+
+    public static List<User> populateListOfUsers() {
+        User user1 = new User();
+        user1.setId(1);
+        user1.setName("Mark Jonson");
+
+        User user2 = new User();
+        user2.setId(2);
+        user2.setName("Johny Beth");
+
+        User user3 = new User();
+        user3.setId(3);
+        user3.setName("Eliza Green");
+
+        User user4 = new User();
+        user4.setId(4);
+        user4.setName("Monica Doe");
+
+        List<User> users = new ArrayList<>();
+        users.add(user1);
+        users.add(user2);
+        users.add(user3);
+        users.add(user4);
+
+        return users;
+    }
+}
--- a/libraries-data-io/src/test/java/com/baeldung/serialization/protocols/JavaNativeSerializationUnitTest.java
+++ b/libraries-data-io/src/test/java/com/baeldung/serialization/protocols/JavaNativeSerializationUnitTest.java
@ -0,0 +1,38 @@
+package com.baeldung.serialization.protocols;
+
+import static org.junit.Assert.assertEquals;
+
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+
+import org.junit.jupiter.api.Test;
+
+public class JavaNativeSerializationUnitTest {
+
+    @Test
+    public void whenUsingJavaNativeSerialization_ThenObjectIsTheSameAfterDeserialization() throws IOException, ClassNotFoundException {
+    
+    User user = new User();
+    user.setId(1);
+    user.setName("Mark");
+    
+    String filePath = "src/test/resources/protocols/user.txt";
+    
+    FileOutputStream fileOutputStream = new FileOutputStream(filePath);
+    ObjectOutputStream objectOutputStream = new ObjectOutputStream(fileOutputStream);
+    objectOutputStream.writeObject(user);
+    objectOutputStream.flush();
+    objectOutputStream.close();
+
+    FileInputStream fileInputStream = new FileInputStream(filePath);
+    ObjectInputStream objectInputStream = new ObjectInputStream(fileInputStream);
+    User deserializedUser = (User) objectInputStream.readObject();
+    objectInputStream.close();
+
+    assertEquals(1, deserializedUser.getId());
+    assertEquals("Mark", deserializedUser.getName());
+    }
+}
--- a/libraries-data-io/src/test/java/com/baeldung/serialization/protocols/YAMLSerializationUnitTest.java
+++ b/libraries-data-io/src/test/java/com/baeldung/serialization/protocols/YAMLSerializationUnitTest.java
@ -0,0 +1,66 @@
+package com.baeldung.serialization.protocols;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import org.junit.jupiter.api.Test;
+
+import com.esotericsoftware.yamlbeans.YamlReader;
+import com.esotericsoftware.yamlbeans.YamlWriter;
+
+public class YAMLSerializationUnitTest {
+
+    @Test
+    public void whenUsingYAMLBeansForSerialization_thenDeserializeCorrectMap() throws IOException {
+
+        String filePath = "src/test/resources/protocols/yamlbeans_user.yaml";
+
+        YamlWriter writer = new YamlWriter(new FileWriter(filePath));
+        writer.write(populateUserMap());
+        writer.close();
+
+        YamlReader reader = new YamlReader(new FileReader(filePath));
+        Object object = reader.read();
+        reader.close();
+        
+        assertTrue(object instanceof Map);
+        Map<String, User> deserializedUsers = (Map<String, User>) object;
+        
+        assertEquals(4, deserializedUsers.size());
+        assertEquals("Mark Jonson", (deserializedUsers.get("User1").getName()));
+        assertEquals(1, (deserializedUsers.get("User1").getId()));
+    }
+
+    private Map<String, User> populateUserMap() {
+        
+        User user1 = new User();
+        user1.setId(1);
+        user1.setName("Mark Jonson");
+
+        User user2 = new User();
+        user2.setId(2);
+        user2.setName("Johny Beth");
+
+        User user3 = new User();
+        user3.setId(3);
+        user3.setName("Eliza Green");
+
+        User user4 = new User();
+        user4.setId(4);
+        user4.setName("Monica Doe");
+
+        Map<String, User> users = new LinkedHashMap<>();
+        users.put("User1", user1);
+        users.put("User2", user2);
+        users.put("User3", user3);
+        users.put("User4", user4);
+
+        return users;
+    }
+}
--- a/libraries-data-io/src/test/resources/protocols/gson_user.json
+++ b/libraries-data-io/src/test/resources/protocols/gson_user.json
@ -0,0 +1,4 @@
+{
+  "id": 1,
+  "name": "Mark"
+}
--- a/libraries-data-io/src/test/resources/protocols/jackson_user.json
+++ b/libraries-data-io/src/test/resources/protocols/jackson_user.json
@ -0,0 +1 @@
+{"id":1,"name":"Mark Jonson"}
--- a/libraries-data-io/src/test/resources/protocols/user.proto
+++ b/libraries-data-io/src/test/resources/protocols/user.proto
@ -0,0 +1,11 @@
+syntax = "proto3";
+
+package protobuf;
+ 
+option java_package = "com.baeldung.serialization.protocols"; 
+option java_outer_classname = "UserProtos";
+ 
+message User { 
+  int32 id = 1; 
+  string name = 2; 
+ }
--- a/libraries-data-io/src/test/resources/protocols/user.txt
+++ b/libraries-data-io/src/test/resources/protocols/user.txt
--- a/libraries-data-io/src/test/resources/protocols/usersproto
+++ b/libraries-data-io/src/test/resources/protocols/usersproto
@ -0,0 +1 @@
+Ò	John Doe
--- a/libraries-data-io/src/test/resources/protocols/yamlbeans_user.yaml
+++ b/libraries-data-io/src/test/resources/protocols/yamlbeans_user.yaml
@ -0,0 +1,13 @@
+!java.util.LinkedHashMap
+User1: !com.baeldung.serialization.protocols.User
+   id: 1
+   name: Mark Jonson
+User2: !com.baeldung.serialization.protocols.User
+   id: 2
+   name: Johny Beth
+User3: !com.baeldung.serialization.protocols.User
+   id: 3
+   name: Eliza Green
+User4: !com.baeldung.serialization.protocols.User
+   id: 4
+   name: Monica Doe