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package org.fox.ttcomics2.archive;
import android.os.Parcel;
import android.os.Parcelable;
import org.fox.ttcomics2.junrar.Archive;
import org.fox.ttcomics2.junrar.exception.RarException;
import org.fox.ttcomics2.junrar.rarfile.FileHeader;
import org.fox.ttcomics2.utils.NaturalOrderComparator;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collections;
public class CbrComicArchive extends ComicArchive {
private final String TAG = this.getClass().getSimpleName();
private String m_fileName;
private Archive m_archive;
private ArrayList<CbrEntry> m_entries = new ArrayList<>();
@Override
public int getCount() {
return m_entries.size();
}
@Override
public InputStream getItem(int index) throws IOException {
try {
return new ByteArrayInputStream(getByteArray(index));
} catch (NullPointerException e) {
e.printStackTrace();
return null;
}
}
@Override
public byte[] getByteArray(int index) throws IOException {
FileHeader fh = m_entries.get(index).m_fh;
ByteArrayOutputStream out = new ByteArrayOutputStream();
try {
m_archive.extractFile(fh, out);
return out.toByteArray();
} catch (RarException e) {
e.printStackTrace();
return null;
}
}
private void initialize() throws IOException {
try {
m_archive = new Archive(new File(m_fileName));
} catch (RarException e) {
e.printStackTrace();
return;
}
while (true) {
FileHeader fh = m_archive.nextFileHeader();
if (fh == null)
break;
if (fh.isDirectory() || fh.isEncrypted())
continue;
m_entries.add(new CbrEntry(fh));
}
Collections.sort(m_entries, new NaturalOrderComparator());
}
public CbrComicArchive(String fileName) throws IOException {
m_fileName = fileName;
initialize();
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel out, int flags) {
out.writeString(m_fileName);
}
public void readFromParcel(Parcel in) {
m_fileName = in.readString();
}
public CbrComicArchive(Parcel in) throws IOException {
readFromParcel(in);
initialize();
}
@SuppressWarnings("rawtypes")
public static final Parcelable.Creator CREATOR =
new Parcelable.Creator() {
public CbrComicArchive createFromParcel(Parcel in) {
try {
return new CbrComicArchive(in);
} catch (IOException e) {
e.printStackTrace();
return null;
}
}
public CbrComicArchive[] newArray(int size) {
return new CbrComicArchive[size];
}
};
private class CbrEntry {
FileHeader m_fh;
CbrEntry(FileHeader fh) {
m_fh = fh;
}
@Override
public String toString() {
return m_fh.getFileNameString();
}
}
}
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