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AzureKeyCredential.java
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/
AzureKeyCredential.java
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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
package com.azure.core.credential;
import com.azure.core.util.logging.ClientLogger;
import java.util.Objects;
/**
* Represents a credential that uses a key to authenticate to an Azure Service.
*/
public final class AzureKeyCredential {
// AzureKeyCredential is a commonly used credential type, use a static logger.
private static final ClientLogger LOGGER = new ClientLogger(AzureKeyCredential.class);
private volatile String key;
/**
* Creates a credential that authorizes request with the given key.
*
* @param key The key used to authorize requests.
* @throws NullPointerException If {@code key} is {@code null}.
* @throws IllegalArgumentException If {@code key} is an empty string.
*/
public AzureKeyCredential(String key) {
Objects.requireNonNull(key, "'key' cannot be null.");
if (key.isEmpty()) {
throw LOGGER.logExceptionAsError(new IllegalArgumentException("'key' cannot be empty."));
}
this.key = key;
}
/**
* Retrieves the key associated to this credential.
*
* @return The key being used to authorize requests.
*/
public String getKey() {
return key;
}
/**
* Rotates the key associated to this credential.
*
* @param key The new key to associated with this credential.
* @return The updated {@code AzureKeyCredential} object.
* @throws NullPointerException If {@code key} is {@code null}.
* @throws IllegalArgumentException If {@code key} is an empty string.
*/
public AzureKeyCredential update(String key) {
Objects.requireNonNull(key, "'key' cannot be null.");
if (key.isEmpty()) {
throw LOGGER.logExceptionAsError(new IllegalArgumentException("'key' cannot be empty."));
}
this.key = key;
return this;
}
}