/*
 * 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.sanselan.formats.tiff.fieldtypes;

import org.apache.sanselan.ImageWriteException;
import org.apache.sanselan.formats.tiff.TiffField;
import org.apache.sanselan.util.Debug;

public class FieldTypeUnknown extends FieldType
{
    public FieldTypeUnknown()
    {
        super(-1, 1, "Unknown");
    }

    public Object getSimpleValue(TiffField entry)
    {
        //        Debug.debug("unknown field type. entry", entry.tagInfo.name);
        //        Debug.debug("unknown field type. entry.type", entry.type);
        //        Debug.debug("unknown field type. entry.length", entry.length);
        //        Debug.debug("unknown field type. entry.oversizeValue", entry.oversizeValue);
        //        Debug.debug("unknown field type. entry.isLocalValue()", entry.isLocalValue());
        //        Debug.debug("unknown field type. entry.oversizeValue", entry.oversizeValue);

        if (entry.length == 1)
            return new Byte(entry.valueOffsetBytes[0]);

        return getRawBytes(entry);
    }

    public byte[] writeData(Object o, int byteOrder) throws ImageWriteException
    {
        if (o instanceof Byte)
            return new byte[]{
                ((Byte) o).byteValue(),
            };
        else if (o instanceof byte[])
            return (byte[]) o;
        else
            throw new ImageWriteException("Invalid data: " + o + " ("
                    + Debug.getType(o) + ")");
    }

}