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/*
* Copyright 2002-2017 Drew Noakes
*
* Licensed 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.
*
* More information about this project is available at:
*
* https://drewnoakes.com/code/exif/
* https://github.com/drewnoakes/metadata-extractor
*/
package com.drew.metadata.mov;
import com.drew.imaging.quicktime.QuickTimeHandler;
import com.drew.lang.SequentialByteArrayReader;
import com.drew.lang.SequentialReader;
import com.drew.lang.annotations.NotNull;
import com.drew.lang.annotations.Nullable;
import com.drew.metadata.Metadata;
import com.drew.metadata.mov.atoms.*;
import java.io.IOException;
/**
* @author Payton Garland
*/
public class QuickTimeAtomHandler extends QuickTimeHandler<QuickTimeDirectory>
{
private QuickTimeHandlerFactory handlerFactory = new QuickTimeHandlerFactory(this);
public QuickTimeAtomHandler(Metadata metadata)
{
super(metadata);
}
@NotNull
@Override
protected QuickTimeDirectory getDirectory()
{
return new QuickTimeDirectory();
}
@Override
public boolean shouldAcceptAtom(@NotNull Atom atom)
{
return atom.type.equals(QuickTimeAtomTypes.ATOM_FILE_TYPE)
|| atom.type.equals(QuickTimeAtomTypes.ATOM_MOVIE_HEADER)
|| atom.type.equals(QuickTimeAtomTypes.ATOM_HANDLER)
|| atom.type.equals(QuickTimeAtomTypes.ATOM_MEDIA_HEADER);
}
@Override
public boolean shouldAcceptContainer(@NotNull Atom atom)
{
return atom.type.equals(QuickTimeContainerTypes.ATOM_TRACK)
|| atom.type.equals(QuickTimeContainerTypes.ATOM_USER_DATA)
|| atom.type.equals(QuickTimeContainerTypes.ATOM_METADATA)
|| atom.type.equals(QuickTimeContainerTypes.ATOM_MOVIE)
|| atom.type.equals(QuickTimeContainerTypes.ATOM_MEDIA);
}
@Override
public QuickTimeHandler processAtom(@NotNull Atom atom, @Nullable byte[] payload) throws IOException
{
if (payload != null) {
SequentialReader reader = new SequentialByteArrayReader(payload);
if (atom.type.equals(QuickTimeAtomTypes.ATOM_MOVIE_HEADER)) {
MovieHeaderAtom movieHeaderAtom = new MovieHeaderAtom(reader, atom);
movieHeaderAtom.addMetadata(directory);
} else if (atom.type.equals(QuickTimeAtomTypes.ATOM_FILE_TYPE)) {
FileTypeCompatibilityAtom fileTypeCompatibilityAtom = new FileTypeCompatibilityAtom(reader, atom);
fileTypeCompatibilityAtom.addMetadata(directory);
} else if (atom.type.equals(QuickTimeAtomTypes.ATOM_HANDLER)) {
HandlerReferenceAtom handlerReferenceAtom = new HandlerReferenceAtom(reader, atom);
return handlerFactory.getHandler(handlerReferenceAtom.getComponentType(), metadata);
} else if (atom.type.equals(QuickTimeAtomTypes.ATOM_MEDIA_HEADER)) {
MediaHeaderAtom mediaHeaderAtom = new MediaHeaderAtom(reader, atom);
}
} else {
if (atom.type.equals(QuickTimeContainerTypes.ATOM_COMPRESSED_MOVIE)) {
directory.addError("Compressed QuickTime movies not supported");
}
}
return this;
}
}
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