com.facebook.presto.jdbc.internal.client.KerberosUtil Maven / Gradle / Ivy
/*
* Licensed 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 com.facebook.presto.jdbc.internal.client;
import java.util.Optional;
import static com.facebook.presto.jdbc.internal.guava.base.Strings.emptyToNull;
import static com.facebook.presto.jdbc.internal.guava.base.Strings.nullToEmpty;
public final class KerberosUtil
{
private static final String FILE_PREFIX = "FILE:";
private KerberosUtil() {}
public static Optional defaultCredentialCachePath()
{
String value = nullToEmpty(System.getenv("KRB5CCNAME"));
if (value.startsWith(FILE_PREFIX)) {
value = value.substring(FILE_PREFIX.length());
}
return Optional.ofNullable(emptyToNull(value));
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy