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/*
* 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.
*/
package org.apache.commons.imaging.formats.tiff.fieldtypes;
import java.nio.ByteOrder;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.apache.commons.imaging.ImageReadException;
import org.apache.commons.imaging.ImageWriteException;
import org.apache.commons.imaging.formats.tiff.TiffField;
/**
* TIFF field types.
*/
public abstract class FieldType {
public static final FieldTypeByte BYTE = new FieldTypeByte(1, "Byte");
public static final FieldTypeAscii ASCII = new FieldTypeAscii(2, "ASCII");
public static final FieldTypeShort SHORT = new FieldTypeShort(3, "Short");
public static final FieldTypeLong LONG = new FieldTypeLong(4, "Long");
public static final FieldTypeRational RATIONAL = new FieldTypeRational(5, "Rational");
public static final FieldTypeByte SBYTE = new FieldTypeByte(6, "SByte");
public static final FieldTypeByte UNDEFINED = new FieldTypeByte(7, "Undefined");
public static final FieldTypeShort SSHORT = new FieldTypeShort(8, "SShort");
public static final FieldTypeLong SLONG = new FieldTypeLong(9, "SLong");
public static final FieldTypeRational SRATIONAL = new FieldTypeRational(10, "SRational");
public static final FieldTypeFloat FLOAT = new FieldTypeFloat(11, "Float");
public static final FieldTypeDouble DOUBLE = new FieldTypeDouble(12, "Double");
public static final FieldTypeLong IFD = new FieldTypeLong(13, "IFD");
private final int type;
private final String name;
private final int elementSize;
public static final List ANY =
Collections.unmodifiableList(Arrays.asList(
BYTE, ASCII, SHORT,
LONG, RATIONAL, SBYTE,
UNDEFINED, SSHORT, SLONG,
SRATIONAL, FLOAT, DOUBLE,
IFD));
public static final List SHORT_OR_LONG =
Collections.unmodifiableList(Arrays.asList(
SHORT, LONG));
public static final List SHORT_OR_RATIONAL =
Collections.unmodifiableList(Arrays.asList(
SHORT, RATIONAL));
public static final List SHORT_OR_LONG_OR_RATIONAL =
Collections.unmodifiableList(Arrays.asList(
SHORT, LONG, RATIONAL));
public static final List LONG_OR_SHORT =
Collections.unmodifiableList(Arrays.asList(
SHORT, LONG));
public static final List BYTE_OR_SHORT =
Collections.unmodifiableList(Arrays.asList(
SHORT, BYTE));
public static final List LONG_OR_IFD =
Collections.unmodifiableList(Arrays.asList(
(FieldType) LONG, IFD));
public static final List ASCII_OR_RATIONAL =
Collections.unmodifiableList(Arrays.asList(
ASCII, RATIONAL));
public static final List ASCII_OR_BYTE =
Collections.unmodifiableList(Arrays.asList(
ASCII, BYTE));
protected FieldType(final int type, final String name, final int elementSize) {
this.type = type;
this.name = name;
this.elementSize = elementSize;
}
public int getType() {
return type;
}
public String getName() {
return name;
}
public int getSize() {
return elementSize;
}
public static FieldType getFieldType(final int type) throws ImageReadException {
for (final FieldType fieldType : ANY) {
if (fieldType.getType() == type) {
return fieldType;
}
}
throw new ImageReadException("Field type " + type + " is unsupported");
}
public abstract Object getValue(final TiffField entry);
public abstract byte[] writeData(final Object o, final ByteOrder byteOrder) throws ImageWriteException;
}