hadoop KMSServerJSONUtils 源码
haddop KMSServerJSONUtils 代码
文件路径：/hadoop-common-project/hadoop-kms/src/main/java/org/apache/hadoop/crypto/key/kms/server/KMSServerJSONUtils.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.crypto.key.kms.server;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.crypto.key.KeyProvider;
import org.apache.hadoop.crypto.key.kms.KMSRESTConstants;
import org.apache.hadoop.util.KMSUtil;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
/**
* JSON utility methods for the KMS.
*/
@InterfaceAudience.Private
public class KMSServerJSONUtils {
@SuppressWarnings("unchecked")
public static List toJSON(List<KeyProvider.KeyVersion> keyVersions) {
List json = new ArrayList();
if (keyVersions != null) {
for (KeyProvider.KeyVersion version : keyVersions) {
json.add(KMSUtil.toJSON(version));
}
}
return json;
}
@SuppressWarnings("unchecked")
public static Map toJSON(String keyName, KeyProvider.Metadata meta) {
Map json = new LinkedHashMap();
if (meta != null) {
json.put(KMSRESTConstants.NAME_FIELD, keyName);
json.put(KMSRESTConstants.CIPHER_FIELD, meta.getCipher());
json.put(KMSRESTConstants.LENGTH_FIELD, meta.getBitLength());
json.put(KMSRESTConstants.DESCRIPTION_FIELD, meta.getDescription());
json.put(KMSRESTConstants.ATTRIBUTES_FIELD, meta.getAttributes());
json.put(KMSRESTConstants.CREATED_FIELD,
meta.getCreated().getTime());
json.put(KMSRESTConstants.VERSIONS_FIELD,
(long) meta.getVersions());
}
return json;
}
@SuppressWarnings("unchecked")
public static List toJSON(String[] keyNames, KeyProvider.Metadata[] metas) {
List json = new ArrayList();
for (int i = 0; i < keyNames.length; i++) {
json.add(toJSON(keyNames[i], metas[i]));
}
return json;
}
}
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