| 1 | /*
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| 2 | * This is public domain software - that is, you can do whatever you want
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| 3 | * with it, and include it software that is licensed under the GNU or the
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| 4 | * BSD license, or whatever other licence you choose, including proprietary
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| 5 | * closed source licenses. I do ask that you leave this header in tact.
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| 6 | *
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| 7 | * If you make modifications to this code that you think would benefit the
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| 8 | * wider community, please send me a copy and I'll post it on my site.
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| 9 | *
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| 10 | * If you make use of this code, I'd appreciate hearing about it.
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| 11 | * drew@drewnoakes.com
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| 12 | * Latest version of this software kept at
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| 13 | * http://drewnoakes.com/
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| 14 | */
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| 15 | package com.drew.metadata.exif;
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| 16 |
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| 17 | import com.drew.metadata.MetadataException;
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| 18 |
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| 19 | /**
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| 20 | * An enumeration of data formats used in the TIFF IFDs.
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| 21 | */
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| 22 | public class DataFormat
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| 23 | {
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| 24 | public static final DataFormat BYTE = new DataFormat("BYTE", 1);
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| 25 | public static final DataFormat STRING = new DataFormat("STRING", 2);
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| 26 | public static final DataFormat USHORT = new DataFormat("USHORT", 3);
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| 27 | public static final DataFormat ULONG = new DataFormat("ULONG", 4);
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| 28 | public static final DataFormat URATIONAL = new DataFormat("URATIONAL", 5);
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| 29 | public static final DataFormat SBYTE = new DataFormat("SBYTE", 6);
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| 30 | public static final DataFormat UNDEFINED = new DataFormat("UNDEFINED", 7);
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| 31 | public static final DataFormat SSHORT = new DataFormat("SSHORT", 8);
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| 32 | public static final DataFormat SLONG = new DataFormat("SLONG", 9);
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| 33 | public static final DataFormat SRATIONAL = new DataFormat("SRATIONAL", 10);
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| 34 | public static final DataFormat SINGLE = new DataFormat("SINGLE", 11);
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| 35 | public static final DataFormat DOUBLE = new DataFormat("DOUBLE", 12);
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| 36 |
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| 37 | private final String myName;
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| 38 | private final int value;
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| 39 |
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| 40 | public static DataFormat fromValue(int value) throws MetadataException
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| 41 | {
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| 42 | switch (value)
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| 43 | {
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| 44 | case 1: return BYTE;
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| 45 | case 2: return STRING;
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| 46 | case 3: return USHORT;
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| 47 | case 4: return ULONG;
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| 48 | case 5: return URATIONAL;
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| 49 | case 6: return SBYTE;
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| 50 | case 7: return UNDEFINED;
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| 51 | case 8: return SSHORT;
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| 52 | case 9: return SLONG;
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| 53 | case 10: return SRATIONAL;
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| 54 | case 11: return SINGLE;
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| 55 | case 12: return DOUBLE;
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| 56 | }
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| 57 |
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| 58 | throw new MetadataException("value '"+value+"' does not represent a known data format.");
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| 59 | }
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| 60 |
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| 61 | private DataFormat(String name, int value)
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| 62 | {
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| 63 | myName = name;
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| 64 | this.value = value;
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| 65 | }
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| 66 |
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| 67 | public int getValue()
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| 68 | {
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| 69 | return value;
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| 70 | }
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| 71 |
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| 72 | public String toString()
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| 73 | {
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| 74 | return myName;
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| 75 | }
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| 76 | }
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