org.apache.commons.imaging.formats.tiff.fieldtypes.FieldTypeShort Maven / Gradle / Ivy
/*
* 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 org.apache.commons.imaging.ImageWriteException;
import org.apache.commons.imaging.common.ByteConversions;
import org.apache.commons.imaging.formats.tiff.TiffField;
public class FieldTypeShort extends FieldType {
public FieldTypeShort(final int type, final String name) {
super(type, name, 2);
}
@Override
public Object getValue(final TiffField entry) {
final byte[] bytes = entry.getByteArrayValue();
if (entry.getCount() == 1) {
return ByteConversions.toShort(bytes, entry.getByteOrder());
}
return ByteConversions.toShorts(bytes, entry.getByteOrder());
}
@Override
public byte[] writeData(final Object o, final ByteOrder byteOrder) throws ImageWriteException {
if (o instanceof Short) {
return ByteConversions.toBytes(((Short) o).shortValue(), byteOrder);
} else if (o instanceof short[]) {
final short[] numbers = (short[]) o;
return ByteConversions.toBytes(numbers, byteOrder);
} else if (o instanceof Short[]) {
final Short[] numbers = (Short[]) o;
final short[] values = new short[numbers.length];
for (int i = 0; i < values.length; i++) {
values[i] = numbers[i].shortValue();
}
return ByteConversions.toBytes(values, byteOrder);
} else {
throw new ImageWriteException("Invalid data", o);
}
}
}