001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.commons.imaging.formats.tiff.fieldtypes; 018 019import java.nio.ByteOrder; 020 021import org.apache.commons.imaging.ImageWriteException; 022import org.apache.commons.imaging.common.ByteConversions; 023import org.apache.commons.imaging.formats.tiff.TiffField; 024 025public class FieldTypeShort extends FieldType { 026 public FieldTypeShort(final int type, final String name) { 027 super(type, name, 2); 028 } 029 030 @Override 031 public Object getValue(final TiffField entry) { 032 final byte[] bytes = entry.getByteArrayValue(); 033 if (entry.getCount() == 1) { 034 return ByteConversions.toShort(bytes, entry.getByteOrder()); 035 } 036 return ByteConversions.toShorts(bytes, entry.getByteOrder()); 037 } 038 039 @Override 040 public byte[] writeData(final Object o, final ByteOrder byteOrder) throws ImageWriteException { 041 if (o instanceof Short) { 042 return ByteConversions.toBytes(((Short) o).shortValue(), byteOrder); 043 } 044 if (o instanceof short[]) { 045 final short[] numbers = (short[]) o; 046 return ByteConversions.toBytes(numbers, byteOrder); 047 } 048 if (!(o instanceof Short[])) { 049 throw new ImageWriteException("Invalid data", o); 050 } 051 final Short[] numbers = (Short[]) o; 052 final short[] values = new short[numbers.length]; 053 for (int i = 0; i < values.length; i++) { 054 values[i] = numbers[i].shortValue(); 055 } 056 return ByteConversions.toBytes(values, byteOrder); 057 } 058 059}