com.emc.atmos.api.ChecksumValueImpl Maven / Gradle / Ivy
/*
* Copyright 2013 EMC Corporation. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* or in the "license" file accompanying this file. This file 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.emc.atmos.api;
/**
* Represents a static checksum value.
*/
public class ChecksumValueImpl extends ChecksumValue {
private ChecksumAlgorithm algorithm;
private long offset;
private String value;
public ChecksumValueImpl( ChecksumAlgorithm algorithm, long offset, String value ) {
this.algorithm = algorithm;
this.offset = offset;
this.value = value;
}
/**
* Constructs a new checksum value from a header string of the format {algorithm}/[{offset}/]{value},
* where the offset may or may not be present.
*/
public ChecksumValueImpl( String headerValue ) {
String[] parts = headerValue.split( "/" );
this.algorithm = ChecksumAlgorithm.valueOf( parts[0] );
if ( parts.length > 2 ) {
this.offset = Long.parseLong( parts[1] );
this.value = parts[2];
} else {
this.value = parts[1];
}
}
public ChecksumAlgorithm getAlgorithm() {
return algorithm;
}
public long getOffset() {
return offset;
}
public String getValue() {
return value;
}
}