hadoop JavaKeyStoreProvider 源码
haddop JavaKeyStoreProvider 代码
文件路径：/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/alias/JavaKeyStoreProvider.java
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.hadoop.security.alias;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.conf.Configuration;
import java.io.IOException;
import java.net.URI;
/**
* CredentialProvider based on Java's KeyStore file format. The file may be
* stored in any Hadoop FileSystem using the following name mangling:
* jceks://hdfs@nn1.example.com/my/creds.jceks {@literal ->}
* hdfs://nn1.example.com/my/creds.jceks jceks://file/home/larry/creds.jceks
* {@literal ->} file:///home/larry/creds.jceks
*/
@InterfaceAudience.Private
public final class JavaKeyStoreProvider extends KeyStoreProvider {
public static final String SCHEME_NAME = "jceks";
public static final String KEYSTORE_TYPE = "jceks";
public static final String ALGORITHM = "AES";
private JavaKeyStoreProvider(URI uri, Configuration conf)
throws IOException {
super(uri, conf);
}
@Override
protected String getSchemeName() {
return SCHEME_NAME;
}
@Override
protected String getKeyStoreType() {
return KEYSTORE_TYPE;
}
@Override
protected String getAlgorithm() {
return ALGORITHM;
}
/**
* The factory to create JksProviders, which is used by the ServiceLoader.
*/
public static class Factory extends CredentialProviderFactory {
@Override
public CredentialProvider createProvider(URI providerName,
Configuration conf) throws IOException {
if (SCHEME_NAME.equals(providerName.getScheme())) {
return new JavaKeyStoreProvider(providerName, conf);
}
return null;
}
}
}
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