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- package org.apache.archiva.checksum;
-
- /*
- * 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.
- */
-
- import java.io.File;
-
- import org.apache.commons.io.FilenameUtils;
-
- /**
- * Enumeration of available ChecksumAlgorithm techniques.
- *
- *
- */
- public enum ChecksumAlgorithm {
- SHA1("SHA-1", "sha1", "SHA1"),
- MD5("MD5", "md5", "MD5");
-
- public static ChecksumAlgorithm getByExtension( File file )
- {
- String ext = FilenameUtils.getExtension( file.getName() ).toLowerCase();
- if ( ChecksumAlgorithm.SHA1.getExt().equals( ext ) )
- {
- return ChecksumAlgorithm.SHA1;
- }
- else if ( ChecksumAlgorithm.MD5.getExt().equals( ext ) )
- {
- return ChecksumAlgorithm.MD5;
- }
-
- throw new IllegalArgumentException( "Filename " + file.getName() + " has no associated extension." );
- }
-
- /**
- * The MessageDigest algorithm for this hash.
- */
- private String algorithm;
-
- /**
- * The file extension for this ChecksumAlgorithm.
- */
- private String ext;
-
- /**
- * The checksum type, the key that you see in checksum files.
- */
- private String type;
-
- /**
- * Construct a ChecksumAlgorithm
- *
- * @param algorithm the MessageDigest algorithm
- * @param ext the file extension.
- * @param type the checksum type.
- */
- private ChecksumAlgorithm( String algorithm, String ext, String type )
- {
- this.algorithm = algorithm;
- this.ext = ext;
- this.type = type;
- }
-
- public String getAlgorithm()
- {
- return algorithm;
- }
-
- public String getExt()
- {
- return ext;
- }
-
- public String getType()
- {
- return type;
- }
-
-
- }
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