com.microsoft.azure.keyvault.webkey.Base64UrlJsonSerializer Maven / Gradle / Ivy

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This library has been replaced by new Azure SDKs, you can read about them at https://aka.ms/azsdkvalueprop. The latest libraries to interact with the Azure Key Vault service are: (1) https://search.maven.org/artifact/com.azure/azure-security-keyvault-keys. (2) https://search.maven.org/artifact/com.azure/azure-security-keyvault-secrets. (3) https://search.maven.org/artifact/com.azure/azure-security-keyvault-certificates. It is recommended that you move to the new package.

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/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License. See License.txt in the project root for
 * license information. 
 */

package com.microsoft.azure.keyvault.webkey;

import java.io.IOException;

import org.apache.commons.codec.binary.Base64;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;

/**
 * The base64 URL JSON serializer.
 */
public class Base64UrlJsonSerializer extends JsonSerializer {

    static final Base64 BASE64 = new Base64(-1, null, true);

    @Override
    public void serialize(byte[] value, JsonGenerator jgen, SerializerProvider provider) throws IOException, JsonProcessingException {
        String text;
        if (value == null) {
            text = null;
        } else if (value.length == 0) {
            text = "";
        } else {
            text = BASE64.encodeAsString(value);
        }
        jgen.writeString(text);
    }

}