com.phloc.commons.messagedigest.EMessageDigestAlgorithm Maven / Gradle / Ivy
/**
* Copyright (C) 2006-2015 phloc systems
* http://www.phloc.com
* office[at]phloc[dot]com
*
* 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.phloc.commons.messagedigest;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import com.phloc.commons.annotations.Nonempty;
import com.phloc.commons.string.StringHelper;
/**
* A selection of common hash algorithms.
*
* @author Philip Helger
*/
public enum EMessageDigestAlgorithm
{
MD5 ("MD5"),
SHA_1 ("SHA-1"),
SHA_256 ("SHA-256"),
SHA_384 ("SHA-384"),
SHA_512 ("SHA-512");
private final String m_sAlgorithm;
private EMessageDigestAlgorithm (@Nonnull @Nonempty final String sAlgorithm)
{
m_sAlgorithm = sAlgorithm;
}
@Nonnull
@Nonempty
public String getAlgorithm ()
{
return m_sAlgorithm;
}
@Nullable
public static EMessageDigestAlgorithm getFromStringIgnoreCase (@Nullable final String sAlgorithm)
{
if (StringHelper.hasText (sAlgorithm))
for (final EMessageDigestAlgorithm eMD : EMessageDigestAlgorithm.values ())
if (eMD.m_sAlgorithm.equalsIgnoreCase (sAlgorithm))
return eMD;
return null;
}
}