org.apache.commons.imaging.formats.tiff.write.TiffOutputItem 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.write;
import java.io.IOException;
import org.apache.commons.imaging.ImageWriteException;
import org.apache.commons.imaging.common.BinaryOutputStream;
abstract class TiffOutputItem {
public static final long UNDEFINED_VALUE = -1;
private long offset = UNDEFINED_VALUE;
protected long getOffset() {
return offset;
}
protected void setOffset(final long offset) {
this.offset = offset;
}
public abstract int getItemLength();
public abstract String getItemDescription();
public abstract void writeItem(BinaryOutputStream bos) throws IOException,
ImageWriteException;
public static class Value extends TiffOutputItem {
private final byte[] bytes;
private final String name;
public Value(final String name, final byte[] bytes) {
this.name = name;
this.bytes = bytes;
}
@Override
public int getItemLength() {
return bytes.length;
}
@Override
public String getItemDescription() {
return name;
}
public void updateValue(final byte[] bytes) throws ImageWriteException {
if (this.bytes.length != bytes.length) {
throw new ImageWriteException("Updated data size mismatch: "
+ this.bytes.length + " vs. " + bytes.length);
}
System.arraycopy(bytes, 0, this.bytes, 0, bytes.length);
}
@Override
public void writeItem(final BinaryOutputStream bos) throws IOException,
ImageWriteException {
bos.write(bytes);
}
}
}