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Use try-with-resources

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This commit is contained in:
Peter Osterlund 2019-05-25 09:05:57 +02:00
parent 16e7c34337
commit 3363b1d9c0
21 changed files with 146 additions and 258 deletions
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4
CuckooChessEngine/src/main/java/chess/Book.java
View File

@ -54,8 +54,7 @@ public class Book {
rndGen = new SecureRandom();
rndGen.setSeed(System.currentTimeMillis());
numBookMoves = 0;
try {
InputStream inStream = getClass().getResourceAsStream("/book.bin");
try (InputStream inStream = getClass().getResourceAsStream("/book.bin")) {
List<Byte> buf = new ArrayList<>(8192);
byte[] tmpBuf = new byte[1024];
while (true) {
@ -64,7 +63,6 @@ public class Book {
for (int i = 0; i < len; i++)
buf.add(tmpBuf[i]);
}
inStream.close();
Position startPos = TextIO.readFEN(TextIO.startPosFEN);
Position pos = new Position(startPos);
UndoInfo ui = new UndoInfo();

6
CuckooChessEngine/src/main/java/chess/Evaluate.java
View File

@ -236,8 +236,7 @@ public class Evaluate {
private byte[] readTable(String resource, int length) {
byte[] table = new byte[2*32*64*48/8];
InputStream inStream = getClass().getResourceAsStream(resource);
try {
try (InputStream inStream = getClass().getResourceAsStream(resource)) {
int off = 0;
while (off < table.length) {
int len = inStream.read(table, off, table.length - off);
@ -245,10 +244,9 @@ public class Evaluate {
throw new RuntimeException();
off += len;
}
inStream.close();
return table;
} catch (IOException e) {
throw new RuntimeException();
throw new RuntimeException(e);
}
}

45
DroidFishApp/src/main/java/org/petero/droidfish/DroidFish.java
View File

@ -790,14 +790,11 @@ public class DroidFish extends Activity
if ((filename == null) &&
("content".equals(scheme) || "file".equals(scheme))) {
ContentResolver resolver = getContentResolver();
InputStream in = resolver.openInputStream(data);
String sep = File.separator;
String fn = Environment.getExternalStorageDirectory() + sep +
pgnDir + sep + ".sharedfile.pgn";
try {
try (InputStream in = resolver.openInputStream(data)) {
FileUtil.writeFile(in, fn);
} finally {
in.close();
}
PGNFile pgnFile = new PGNFile(fn);
long fileLen = FileUtil.getFileLength(fn);
@ -805,11 +802,8 @@ public class DroidFish extends Activity
if ((fileLen > 1024 * 1024) || (gi.first == GameInfoResult.OK && gi.second.size() > 1)) {
filename = fn;
} else {
in = new FileInputStream(fn);
try {
try (FileInputStream in = new FileInputStream(fn)) {
pgnOrFen = FileUtil.readFromStream(in);
} finally {
in.close();
}
}
}
@ -2394,14 +2388,9 @@ public class DroidFish extends Activity
File dir = new File(getFilesDir(), "shared");
dir.mkdirs();
File file = new File(dir, game ? "game.pgn" : "game.txt");
try {
FileOutputStream fos = new FileOutputStream(file);
OutputStreamWriter ow = new OutputStreamWriter(fos, "UTF-8");
try {
try (FileOutputStream fos = new FileOutputStream(file);
OutputStreamWriter ow = new OutputStreamWriter(fos, "UTF-8")) {
ow.write(pgn);
} finally {
ow.close();
}
} catch (IOException e) {
DroidFishApp.toast(e.getMessage(), Toast.LENGTH_LONG);
return;
@ -2427,13 +2416,8 @@ public class DroidFish extends Activity
imgDir.mkdirs();
File file = new File(imgDir, "screenshot.png");
try {
OutputStream os = null;
try {
os = new FileOutputStream(file);
try (OutputStream os = new FileOutputStream(file)) {
b.compress(Bitmap.CompressFormat.PNG, 100, os);
} finally {
if (os != null)
os.close();
}
} catch (IOException e) {
DroidFishApp.toast(e.getMessage(), Toast.LENGTH_LONG);
@ -2521,15 +2505,16 @@ public class DroidFish extends Activity
private Dialog aboutDialog() {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
String title = getString(R.string.app_name);
WebView wv = new WebView(this);
builder.setView(wv);
InputStream is = getResources().openRawResource(R.raw.about);
try (InputStream is = getResources().openRawResource(R.raw.about)) {
String data = FileUtil.readFromStream(is);
if (data == null)
data = "";
try { is.close(); } catch (IOException ignore) {}
wv.loadDataWithBaseURL(null, data, "text/html", "utf-8", null);
} catch (IOException ignore) {
}
String title = getString(R.string.app_name);
try {
PackageInfo pi = getPackageManager().getPackageInfo("org.petero.droidfish", 0);
title += " " + pi.versionName;
@ -2577,7 +2562,7 @@ public class DroidFish extends Activity
else if (item == numFiles + 2)
bookFile = "nobook:";
else
bookFile = items[item].toString();
bookFile = items[item];
editor.putString("bookFile", bookFile);
editor.apply();
bookOptions.filename = bookFile;
@ -2664,12 +2649,12 @@ public class DroidFish extends Activity
private Dialog selectPgnFileDialog() {
return selectFileDialog(pgnDir, R.string.select_pgn_file, R.string.no_pgn_files,
"currentPGNFile", pathName -> loadPGNFromFile(pathName));
"currentPGNFile", this::loadPGNFromFile);
}
private Dialog selectFenFileDialog() {
return selectFileDialog(fenDir, R.string.select_fen_file, R.string.no_fen_files,
"currentFENFile", pathName -> loadFENFromFile(pathName));
"currentFENFile", this::loadFENFromFile);
}
private Dialog selectFileDialog(final String defaultDir, int selectFileMsg, int noFilesMsg,
@ -2696,7 +2681,7 @@ public class DroidFish extends Activity
builder.setSingleChoiceItems(fileNames, defaultItem, (dialog, item) -> {
dialog.dismiss();
String sep = File.separator;
String fn = fileNames[item].toString();
String fn = fileNames[item];
String pathName = Environment.getExternalStorageDirectory() + sep + defaultDir + sep + fn;
loader.load(pathName);
});
@ -3429,12 +3414,10 @@ public class DroidFish extends Activity
final Runnable writeConfig = () -> {
String hostName1 = hostNameView.getText().toString();
String port1 = portView.getText().toString();
try {
FileWriter fw = new FileWriter(new File(networkEngineToConfig), false);
try (FileWriter fw = new FileWriter(new File(networkEngineToConfig), false)) {
fw.write("NETE\n");
fw.write(hostName1); fw.write("\n");
fw.write(port1); fw.write("\n");
fw.close();
setEngineOptions(true);
} catch (IOException e) {
DroidFishApp.toast(e.getMessage(), Toast.LENGTH_LONG);

25
DroidFishApp/src/main/java/org/petero/droidfish/FileUtil.java
View File

@ -33,29 +33,26 @@ public class FileUtil {
/** Read a text file. Return string array with one string per line. */
public static String[] readFile(String filename) throws IOException {
ArrayList<String> ret = new ArrayList<>();
InputStream inStream = new FileInputStream(filename);
try (InputStream inStream = new FileInputStream(filename);
InputStreamReader inFile = new InputStreamReader(inStream, "UTF-8");
BufferedReader inBuf = new BufferedReader(inFile);
BufferedReader inBuf = new BufferedReader(inFile)) {
String line;
while ((line = inBuf.readLine()) != null)
ret.add(line);
inBuf.close();
return ret.toArray(new String[0]);
}
}
/** Read all data from an input stream. Return null if IO error. */
public static String readFromStream(InputStream is) {
InputStreamReader isr;
try {
isr = new InputStreamReader(is, "UTF-8");
BufferedReader br = new BufferedReader(isr);
try (InputStreamReader isr = new InputStreamReader(is, "UTF-8");
BufferedReader br = new BufferedReader(isr)) {
StringBuilder sb = new StringBuilder();
String line;
while ((line = br.readLine()) != null) {
sb.append(line);
sb.append('\n');
}
br.close();
return sb.toString();
} catch (UnsupportedEncodingException e) {
return null;
@ -66,8 +63,7 @@ public class FileUtil {
/** Read data from input stream and write to file. */
public static void writeFile(InputStream is, String outFile) throws IOException {
OutputStream os = new FileOutputStream(outFile);
try {
try (OutputStream os = new FileOutputStream(outFile)) {
byte[] buffer = new byte[16384];
while (true) {
int len = is.read(buffer);
@ -75,20 +71,13 @@ public class FileUtil {
break;
os.write(buffer, 0, len);
}
} finally {
os.close();
}
}
/** Return the length of a file, or -1 if length can not be determined. */
public static long getFileLength(String filename) {
try {
RandomAccessFile raf = new RandomAccessFile(filename, "r");
try {
try (RandomAccessFile raf = new RandomAccessFile(filename, "r")) {
return raf.length();
} finally {
raf.close();
}
} catch (IOException ex) {
return -1;
}

10
DroidFishApp/src/main/java/org/petero/droidfish/ObjectCache.java
View File

@ -130,12 +130,9 @@ public class ObjectCache {
token++;
File f = new File(dir, String.valueOf(token));
if (f.createNewFile()) {
FileOutputStream fos = new FileOutputStream(f);
try {
try (FileOutputStream fos = new FileOutputStream(f)) {
fos.write(b);
return token;
} finally {
fos.close();
}
}
}
@ -152,8 +149,7 @@ public class ObjectCache {
if (dir.exists()) {
File f = new File(dir, String.valueOf(token));
try {
RandomAccessFile raf = new RandomAccessFile(f, "r");
try {
try (RandomAccessFile raf = new RandomAccessFile(f, "r")) {
int len = (int)raf.length();
byte[] buf = new byte[len];
int offs = 0;
@ -164,8 +160,6 @@ public class ObjectCache {
offs += l;
}
return buf;
} finally {
raf.close();
}
} catch (IOException ignore) {
}

4
DroidFishApp/src/main/java/org/petero/droidfish/PieceSet.java
View File

@ -106,8 +106,7 @@ public class PieceSet {
}
private void parseSvgData() {
try {
ZipInputStream zis = getZipStream();
try (ZipInputStream zis = getZipStream()) {
ZipEntry entry;
while ((entry = zis.getNextEntry()) != null) {
if (!entry.isDirectory()) {
@ -129,7 +128,6 @@ public class PieceSet {
}
zis.closeEntry();
}
zis.close();
} catch (IOException ex) {
throw new RuntimeException("Cannot read chess pieces data", ex);
}

6
DroidFishApp/src/main/java/org/petero/droidfish/activities/BufferedRandomAccessFileReader.java
View File

@ -17,11 +17,12 @@
*/
package org.petero.droidfish.activities;
import java.io.Closeable;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.RandomAccessFile;
final class BufferedRandomAccessFileReader {
final class BufferedRandomAccessFileReader implements Closeable {
private RandomAccessFile f;
private byte[] buffer = new byte[8192];
private long bufStartFilePos = 0;
@ -37,7 +38,8 @@ final class BufferedRandomAccessFileReader {
final long getFilePointer() {
return bufStartFilePos + bufPos;
}
final void close() throws IOException {
@Override
public void close() throws IOException {
f.close();
}

6
DroidFishApp/src/main/java/org/petero/droidfish/activities/FENFile.java
View File

@ -66,10 +66,9 @@ public class FENFile {
public final Pair<FenInfoResult,ArrayList<FenInfo>> getFenInfo(Activity activity,
final ProgressDialog progress) {
ArrayList<FenInfo> fensInFile = new ArrayList<>();
try {
try (BufferedRandomAccessFileReader f =
new BufferedRandomAccessFileReader(fileName.getAbsolutePath())) {
int percent = -1;
fensInFile.clear();
BufferedRandomAccessFileReader f = new BufferedRandomAccessFileReader(fileName.getAbsolutePath());
long fileLen = f.length();
long filePos = 0;
int fenNo = 1;
@ -92,7 +91,6 @@ public class FENFile {
if (Thread.currentThread().isInterrupted())
return new Pair<>(FenInfoResult.CANCEL, null);
}
f.close();
} catch (IOException ignore) {
} catch (OutOfMemoryError e) {
fensInFile.clear();

26
DroidFishApp/src/main/java/org/petero/droidfish/activities/PGNFile.java
View File

@ -18,6 +18,7 @@
package org.petero.droidfish.activities;
import java.io.Closeable;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
@ -133,7 +134,7 @@ public class PGNFile {
}
}
private static class BufferedInput {
private static class BufferedInput implements Closeable {
private byte buf[] = new byte[8192];
private int bufLen = 0;
private int pos = 0;
@ -151,6 +152,7 @@ public class PGNFile {
}
return buf[pos++] & 0xff;
}
@Override
public void close() {
try {
is.close();
@ -382,12 +384,10 @@ public class PGNFile {
/** Read one game defined by gi. Return null on failure. */
final String readOneGame(GameInfo gi) {
try {
RandomAccessFile f = new RandomAccessFile(fileName, "r");
try (RandomAccessFile f = new RandomAccessFile(fileName, "r")) {
byte[] pgnData = new byte[(int) (gi.endPos - gi.startPos)];
f.seek(gi.startPos);
f.readFully(pgnData);
f.close();
return new String(pgnData);
} catch (IOException ignore) {
}
@ -396,11 +396,9 @@ public class PGNFile {
/** Append PGN to the end of this PGN file. */
public final void appendPGN(String pgn) {
try {
mkDirs();
FileWriter fw = new FileWriter(fileName, true);
try (FileWriter fw = new FileWriter(fileName, true)) {
fw.write(pgn);
fw.close();
DroidFishApp.toast(R.string.game_saved, Toast.LENGTH_SHORT);
} catch (IOException e) {
DroidFishApp.toast(R.string.failed_to_save_game, Toast.LENGTH_SHORT);
@ -410,13 +408,12 @@ public class PGNFile {
final boolean deleteGame(GameInfo gi, ArrayList<GameInfo> gamesInFile) {
try {
File tmpFile = new File(fileName + ".tmp_delete");
RandomAccessFile fileReader = new RandomAccessFile(fileName, "r");
RandomAccessFile fileWriter = new RandomAccessFile(tmpFile, "rw");
try (RandomAccessFile fileReader = new RandomAccessFile(fileName, "r");
RandomAccessFile fileWriter = new RandomAccessFile(tmpFile, "rw")) {
copyData(fileReader, fileWriter, gi.startPos);
fileReader.seek(gi.endPos);
copyData(fileReader, fileWriter, fileReader.length() - gi.endPos);
fileReader.close();
fileWriter.close();
}
if (!tmpFile.renameTo(fileName))
throw new IOException();
@ -443,14 +440,13 @@ public class PGNFile {
final void replacePGN(String pgnToSave, GameInfo gi) {
try {
File tmpFile = new File(fileName + ".tmp_delete");
RandomAccessFile fileReader = new RandomAccessFile(fileName, "r");
RandomAccessFile fileWriter = new RandomAccessFile(tmpFile, "rw");
try (RandomAccessFile fileReader = new RandomAccessFile(fileName, "r");
RandomAccessFile fileWriter = new RandomAccessFile(tmpFile, "rw")) {
copyData(fileReader, fileWriter, gi.startPos);
fileWriter.write(pgnToSave.getBytes());
fileReader.seek(gi.endPos);
copyData(fileReader, fileWriter, fileReader.length() - gi.endPos);
fileReader.close();
fileWriter.close();
}
if (!tmpFile.renameTo(fileName))
throw new IOException();
DroidFishApp.toast(R.string.game_saved, Toast.LENGTH_SHORT);

14
DroidFishApp/src/main/java/org/petero/droidfish/book/CtgBook.java
View File

@ -63,13 +63,9 @@ class CtgBook implements IOpeningBook {
@Override
public ArrayList<BookEntry> getBookEntries(Position pos) {
RandomAccessFile ctgF = null;
RandomAccessFile ctbF = null;
RandomAccessFile ctoF = null;
try {
ctgF = new RandomAccessFile(ctgFile, "r");
ctbF = new RandomAccessFile(ctbFile, "r");
ctoF = new RandomAccessFile(ctoFile, "r");
try (RandomAccessFile ctgF = new RandomAccessFile(ctgFile, "r");
RandomAccessFile ctbF = new RandomAccessFile(ctbFile, "r");
RandomAccessFile ctoF = new RandomAccessFile(ctoFile, "r")) {
CtbFile ctb = new CtbFile(ctbF);
CtoFile cto = new CtoFile(ctoF);
@ -119,10 +115,6 @@ class CtgBook implements IOpeningBook {
return ret;
} catch (IOException e) {
return null;
} finally {
if (ctgF != null) try { ctgF.close(); } catch (IOException ignore) { }
if (ctbF != null) try { ctbF.close(); } catch (IOException ignore) { }
if (ctoF != null) try { ctoF.close(); } catch (IOException ignore) { }
}
}

6
DroidFishApp/src/main/java/org/petero/droidfish/book/EcoDb.java
View File

@ -252,16 +252,14 @@ public class EcoDb {
posHashToNodeIdx = new HashMap<>();
posHashToNodeIdx2 = new HashMap<>();
gtNodeToIdx = new WeakLRUCache<>(50);
try {
ByteArrayOutputStream bufStream = new ByteArrayOutputStream();
InputStream inStream = DroidFishApp.getContext().getAssets().open("eco.dat");
try (ByteArrayOutputStream bufStream = new ByteArrayOutputStream();
InputStream inStream = DroidFishApp.getContext().getAssets().open("eco.dat")) {
byte[] buf = new byte[1024];
while (true) {
int len = inStream.read(buf);
if (len <= 0) break;
bufStream.write(buf, 0, len);
}
inStream.close();
bufStream.flush();
buf = bufStream.toByteArray();
int nNodes = 0;

6
DroidFishApp/src/main/java/org/petero/droidfish/book/PolyglotBook.java
View File

@ -372,8 +372,7 @@ class PolyglotBook implements IOpeningBook {
@Override
public final ArrayList<BookEntry> getBookEntries(Position pos) {
try {
RandomAccessFile f = new RandomAccessFile(bookFile, "r");
try (RandomAccessFile f = new RandomAccessFile(bookFile, "r")) {
long numEntries = f.length() / 16;
long key = getHashKey(pos);
PGBookEntry ent = new PGBookEntry();
@ -406,10 +405,7 @@ class PolyglotBook implements IOpeningBook {
ret.add(be);
entNo++;
}
f.close();
return ret;
} catch (FileNotFoundException e) {
return null;
} catch (IOException e) {
return null;
}

6
DroidFishApp/src/main/java/org/petero/droidfish/engine/EngineUtil.java
View File

@ -47,13 +47,11 @@ public class EngineUtil {
/** Return true if file "engine" is a network engine. */
public static boolean isNetEngine(String engine) {
boolean netEngine = false;
try {
InputStream inStream = new FileInputStream(engine);
InputStreamReader inFile = new InputStreamReader(inStream);
try (InputStream inStream = new FileInputStream(engine);
InputStreamReader inFile = new InputStreamReader(inStream)) {
char[] buf = new char[4];
if ((inFile.read(buf) == 4) && "NETE".equals(new String(buf)))
netEngine = true;
inFile.close();
} catch (IOException ignore) {
}
return netEngine;

11
DroidFishApp/src/main/java/org/petero/droidfish/engine/ExternalEngine.java
View File

@ -302,19 +302,14 @@ public class ExternalEngine extends UCIEngineBase {
if (to.exists())
to.delete();
to.createNewFile();
FileInputStream fis = null;
FileOutputStream fos = null;
try {
fis = new FileInputStream(from);
try (FileInputStream fis = new FileInputStream(from);
FileChannel inFC = fis.getChannel();
fos = new FileOutputStream(to);
FileChannel outFC = fos.getChannel();
FileOutputStream fos = new FileOutputStream(to);
FileChannel outFC = fos.getChannel()) {
long cnt = outFC.transferFrom(inFC, 0, inFC.size());
if (cnt < inFC.size())
throw new IOException("File copy failed");
} finally {
if (fis != null) { try { fis.close(); } catch (IOException ignore) {} }
if (fos != null) { try { fos.close(); } catch (IOException ignore) {} }
to.setLastModified(from.lastModified());
}
return to.getAbsolutePath();

34
DroidFishApp/src/main/java/org/petero/droidfish/engine/InternalStockFish.java
View File

@ -63,34 +63,25 @@ public class InternalStockFish extends ExternalEngine {
}
private long readCheckSum(File f) {
InputStream is = null;
try {
is = new FileInputStream(f);
DataInputStream dis = new DataInputStream(is);
try (InputStream is = new FileInputStream(f);
DataInputStream dis = new DataInputStream(is)) {
return dis.readLong();
} catch (IOException e) {
return 0;
} finally {
if (is != null) try { is.close(); } catch (IOException ignore) {}
}
}
private void writeCheckSum(File f, long checkSum) {
DataOutputStream dos = null;
try {
OutputStream os = new FileOutputStream(f);
dos = new DataOutputStream(os);
try (OutputStream os = new FileOutputStream(f);
DataOutputStream dos = new DataOutputStream(os)) {
dos.writeLong(checkSum);
} catch (IOException e) {
} finally {
if (dos != null) try { dos.close(); } catch (IOException ignore) {}
} catch (IOException ignore) {
}
}
private long computeAssetsCheckSum(String sfExe) {
InputStream is = null;
try {
is = context.getAssets().open(sfExe);
try (InputStream is = context.getAssets().open(sfExe)) {
MessageDigest md = MessageDigest.getInstance("SHA-1");
byte[] buf = new byte[8192];
while (true) {
@ -109,8 +100,6 @@ public class InternalStockFish extends ExternalEngine {
return -1;
} catch (NoSuchAlgorithmException e) {
return -1;
} finally {
if (is != null) try { is.close(); } catch (IOException ignore) {}
}
}
@ -130,10 +119,8 @@ public class InternalStockFish extends ExternalEngine {
to.delete();
to.createNewFile();
InputStream is = context.getAssets().open(sfExe);
OutputStream os = new FileOutputStream(to);
try {
try (InputStream is = context.getAssets().open(sfExe);
OutputStream os = new FileOutputStream(to)) {
byte[] buf = new byte[8192];
while (true) {
int len = is.read(buf);
@ -141,9 +128,6 @@ public class InternalStockFish extends ExternalEngine {
break;
os.write(buf, 0, len);
}
} finally {
if (is != null) try { is.close(); } catch (IOException ignore) {}
if (os != null) try { os.close(); } catch (IOException ignore) {}
}
writeCheckSum(new File(internalSFPath()), newCSum);

14
DroidFishApp/src/main/java/org/petero/droidfish/engine/UCIEngineBase.java
View File

@ -76,14 +76,9 @@ public abstract class UCIEngineBase implements UCIEngine {
public final void applyIniFile() {
File optionsFile = getOptionsFile();
Properties iniOptions = new Properties();
FileInputStream is = null;
try {
is = new FileInputStream(optionsFile);
try (FileInputStream is = new FileInputStream(optionsFile)) {
iniOptions.load(is);
} catch (IOException ignore) {
} finally {
if (is != null)
try { is.close(); } catch (IOException ignore) {}
}
for (Map.Entry<Object,Object> ent : iniOptions.entrySet()) {
if (ent.getKey() instanceof String && ent.getValue() instanceof String) {
@ -116,14 +111,9 @@ public abstract class UCIEngineBase implements UCIEngine {
iniOptions.put(o.name, o.getStringValue());
}
File optionsFile = getOptionsFile();
FileOutputStream os = null;
try {
os = new FileOutputStream(optionsFile);
try (FileOutputStream os = new FileOutputStream(optionsFile)) {
iniOptions.store(os, null);
} catch (IOException ignore) {
} finally {
if (os != null)
try { os.close(); } catch (IOException ignore) {}
}
}

24
DroidFishApp/src/main/java/org/petero/droidfish/gamelogic/DroidChessController.java
View File

@ -211,40 +211,24 @@ public class DroidChessController {
/** De-serialize from byte array. */
public final synchronized void fromByteArray(byte[] data, int version) {
ByteArrayInputStream bais = null;
DataInputStream dis = null;
try {
bais = new ByteArrayInputStream(data);
dis = new DataInputStream(bais);
try (ByteArrayInputStream bais = new ByteArrayInputStream(data);
DataInputStream dis = new DataInputStream(bais)) {
game.readFromStream(dis, version);
game.tree.translateMoves();
} catch (IOException ignore) {
} catch (ChessParseError ignore) {
} finally {
if (dis != null)
try { dis.close(); } catch (IOException ignore) {}
if (bais != null)
try { bais.close(); } catch (IOException ignore) {}
}
}
/** Serialize to byte array. */
public final synchronized byte[] toByteArray() {
ByteArrayOutputStream baos = null;
DataOutputStream dos = null;
try {
baos = new ByteArrayOutputStream(32768);
dos = new DataOutputStream(baos);
try (ByteArrayOutputStream baos = new ByteArrayOutputStream(32768);
DataOutputStream dos = new DataOutputStream(baos)) {
game.writeToStream(dos);
dos.flush();
return baos.toByteArray();
} catch (IOException e) {
return null;
} finally {
if (dos != null)
try { dos.close(); } catch (IOException ignore) {}
if (baos != null)
try { baos.close(); } catch (IOException ignore) {}
}
}

2
DroidFishApp/src/main/java/org/petero/droidfish/gamelogic/Game.java
View File

@ -68,7 +68,7 @@ public class Game {
}
/** Controls behavior when a new move is added to the game.*/
public static enum AddMoveBehavior {
public enum AddMoveBehavior {
/** Add the new move first in the list of variations. */
ADD_FIRST,
/** Add the new move last in the list of variations. */

14
buildSrc/src/main/java/chess/Book.java
View File

@ -59,8 +59,7 @@ public class Book {
rndGen = new SecureRandom();
rndGen.setSeed(System.currentTimeMillis());
numBookMoves = 0;
try {
InputStream inStream = getClass().getResourceAsStream("/book.bin");
try (InputStream inStream = getClass().getResourceAsStream("/book.bin")) {
List<Byte> buf = new ArrayList<>(8192);
byte[] tmpBuf = new byte[1024];
while (true) {
@ -69,7 +68,6 @@ public class Book {
for (int i = 0; i < len; i++)
buf.add(tmpBuf[i]);
}
inStream.close();
Position startPos = TextIO.readFEN(TextIO.startPosFEN);
Position pos = new Position(startPos);
UndoInfo ui = new UndoInfo();
@ -191,22 +189,21 @@ public class Book {
}
public static void main2(String inFile, String outFile) throws IOException {
List<Byte> binBook = createBinBook(inFile);
FileOutputStream out = new FileOutputStream(outFile);
try (FileOutputStream out = new FileOutputStream(outFile)) {
int bookLen = binBook.size();
byte[] binBookA = new byte[bookLen];
for (int i = 0; i < bookLen; i++)
binBookA[i] = binBook.get(i);
out.write(binBookA);
out.close();
}
}
public static List<Byte> createBinBook(String inFileName) {
List<Byte> binBook = new ArrayList<>(0);
try {
InputStream inStream = new FileInputStream(inFileName);
try (InputStream inStream = new FileInputStream(inFileName);
InputStreamReader inFile = new InputStreamReader(inStream);
BufferedReader inBuf = new BufferedReader(inFile);
LineNumberReader lnr = new LineNumberReader(inBuf);
LineNumberReader lnr = new LineNumberReader(inBuf)) {
String line;
while ((line = lnr.readLine()) != null) {
if (line.startsWith("#") || (line.length() == 0)) {
@ -218,7 +215,6 @@ public class Book {
}
// System.out.printf("no:%d line:%s%n", lnr.getLineNumber(), line);
}
lnr.close();
} catch (ChessParseError ex) {
throw new RuntimeException();
} catch (IOException ex) {

5
buildSrc/src/main/java/chess/EcoBuilder.java
View File

@ -151,7 +151,7 @@ public class EcoBuilder {
/** Write the binary ECO code data file. */
private void writeDataFile(String ecoDatFile) throws Throwable {
FileOutputStream out = new FileOutputStream(ecoDatFile);
try (FileOutputStream out = new FileOutputStream(ecoDatFile)) {
// Write nodes
byte[] buf = new byte[12];
@ -195,7 +195,6 @@ public class EcoBuilder {
out.write(name.getBytes("UTF-8"));
out.write(buf);
}
out.close();
}
}
}

6
buildSrc/src/main/java/chess/FileUtil.java
View File

@ -33,13 +33,13 @@ public class FileUtil {
/** Read a text file. Return string array with one string per line. */
public static String[] readFile(String filename) throws IOException {
ArrayList<String> ret = new ArrayList<>();
InputStream inStream = new FileInputStream(filename);
try (InputStream inStream = new FileInputStream(filename);
InputStreamReader inFile = new InputStreamReader(inStream, "UTF-8");
BufferedReader inBuf = new BufferedReader(inFile);
BufferedReader inBuf = new BufferedReader(inFile)) {
String line;
while ((line = inBuf.readLine()) != null)
ret.add(line);
inBuf.close();
}
return ret.toArray(new String[0]);
}
}