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/*
* Copyright 2002-2012 Drew Noakes
*
* 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.
*
* More information about this project is available at:
*
* http://drewnoakes.com/code/exif/
* http://code.google.com/p/metadata-extractor/
*/
package com.drew.metadata.exif;
import com.drew.lang.annotations.NotNull;
import com.drew.metadata.MetadataException;
/**
* An enumeration of data formats used in the TIFF IFDs.
*
* @author Drew Noakes http://drewnoakes.com
*/
public class DataFormat
{
@NotNull public static final DataFormat BYTE = new DataFormat("BYTE", 1);
@NotNull public static final DataFormat STRING = new DataFormat("STRING", 2);
@NotNull public static final DataFormat USHORT = new DataFormat("USHORT", 3);
@NotNull public static final DataFormat ULONG = new DataFormat("ULONG", 4);
@NotNull public static final DataFormat URATIONAL = new DataFormat("URATIONAL", 5);
@NotNull public static final DataFormat SBYTE = new DataFormat("SBYTE", 6);
@NotNull public static final DataFormat UNDEFINED = new DataFormat("UNDEFINED", 7);
@NotNull public static final DataFormat SSHORT = new DataFormat("SSHORT", 8);
@NotNull public static final DataFormat SLONG = new DataFormat("SLONG", 9);
@NotNull public static final DataFormat SRATIONAL = new DataFormat("SRATIONAL", 10);
@NotNull public static final DataFormat SINGLE = new DataFormat("SINGLE", 11);
@NotNull public static final DataFormat DOUBLE = new DataFormat("DOUBLE", 12);
@NotNull private final String _name;
private final int _value;
@NotNull
public static DataFormat fromValue(int value) throws MetadataException
{
switch (value)
{
case 1: return BYTE;
case 2: return STRING;
case 3: return USHORT;
case 4: return ULONG;
case 5: return URATIONAL;
case 6: return SBYTE;
case 7: return UNDEFINED;
case 8: return SSHORT;
case 9: return SLONG;
case 10: return SRATIONAL;
case 11: return SINGLE;
case 12: return DOUBLE;
}
throw new MetadataException("value '"+value+"' does not represent a known data format.");
}
private DataFormat(@NotNull String name, int value)
{
_name = name;
_value = value;
}
public int getValue()
{
return _value;
}
@NotNull
public String toString()
{
return _name;
}
}
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