/**
* Read a file offset from the file PST Files have this tendency to store file offsets (pointers)
* in 8 little endian bytes. Convert this to a long for seeking to.
*
* @param in handle for PST file
* @param startOffset where to read the 8 bytes from
* @return long representing the read location
* @throws IOException
*/
protected long extractLEFileOffset(long startOffset) throws IOException {
long offset = 0;
if (this.getPSTFileType() == PSTFile.PST_TYPE_ANSI) {
in.seek(startOffset);
byte[] temp = new byte[4];
in.read(temp);
offset |= temp[3] & 0xff;
offset <<= 8;
offset |= temp[2] & 0xff;
offset <<= 8;
offset |= temp[1] & 0xff;
offset <<= 8;
offset |= temp[0] & 0xff;
} else {
in.seek(startOffset);
byte[] temp = new byte[8];
in.read(temp);
offset = temp[7] & 0xff;
long tmpLongValue;
for (int x = 6; x >= 0; x--) {
offset = offset << 8;
tmpLongValue = (long) temp[x] & 0xff;
offset |= tmpLongValue;
}
}
return offset;
}
/**
* Copy the given byte range of the given input to the given output.
*
* @param input The input to copy the given range to the given output for.
* @param output The output to copy the given range from the given input for.
* @param start Start of the byte range.
* @param length Length of the byte range.
* @throws IOException If something fails at I/O level.
*/
private static void copy(RandomAccessFile input, OutputStream output, long start, long length)
throws IOException {
byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
int read;
if (input.length() == length) {
// Write full range.
while ((read = input.read(buffer)) > 0) {
output.write(buffer, 0, read);
}
} else {
// Write partial range.
input.seek(start);
long toRead = length;
while ((read = input.read(buffer)) > 0) {
if ((toRead -= read) > 0) {
output.write(buffer, 0, read);
} else {
output.write(buffer, 0, (int) toRead + read);
break;
}
}
}
}
private void loadDataXM(RandomAccessFile fp) throws IOException {
byte[] b = new byte[20];
// WHY THE HELL AM I DOING THIS
name = Util.readStringNoNul(fp, b, 20);
System.out.printf("name: \"%s\"\n", name);
fp.read(); // skip 0x1A byte
// THIS CAN'T BE HAPPENING
fp.read(b, 0, 20); // skip tracker name
// OH HELL NO
int xmver = 0xFFFF & (int) Short.reverseBytes(fp.readShort());
System.out.printf("XM version: %04X\n", xmver);
// WHAT IS THIS CRAP
InhibitedFileBlock ifb = new InhibitedFileBlock(fp, Integer.reverseBytes(fp.readInt()) - 4);
// HELP ME PLEASE
int ordnum = 0xFFFF & (int) Short.reverseBytes(ifb.readShort());
int respos =
0xFFFF & (int) Short.reverseBytes(ifb.readShort()); // can't be bothered right now --GM
int chnnum =
0xFFFF & (int) Short.reverseBytes(ifb.readShort()); // yeah sure, allow out of range values
if (chnnum > 64)
throw new RuntimeException(
String.format("%d-channel modules not supported (max 64)", chnnum));
int patnum = 0xFFFF & (int) Short.reverseBytes(ifb.readShort());
int insnum = 0xFFFF & (int) Short.reverseBytes(ifb.readShort());
int xmflags = 0xFFFF & (int) Short.reverseBytes(ifb.readShort());
int xmspeed = 0xFFFF & (int) Short.reverseBytes(ifb.readShort());
int xmtempo = 0xFFFF & (int) Short.reverseBytes(ifb.readShort());
// OH PLEASE, STOP IT
if (ordnum > 255) ordnum = 255;
if (xmtempo > 255) xmtempo = 255;
if (xmspeed > 255) xmspeed = 255;
this.bpm = xmtempo;
this.spd = xmspeed;
this.flags = FLAG_COMPATGXX | FLAG_OLDEFFECTS | FLAG_INSMODE | FLAG_STEREO | FLAG_VOL0MIX;
if ((xmflags & 0x01) != 0) this.flags |= FLAG_LINEAR;
// NONONONONONO
System.out.printf("chn=%d ordnum=%d tempo=%d speed=%s\n", chnnum, ordnum, xmtempo, xmspeed);
for (int i = 0; i < 256; i++) orderlist[i] = ifb.read();
for (int i = ordnum; i < 256; i++) orderlist[i] = 255;
ifb.done();
// SAVE ME PLEEEEEAAASSSSEEEE
for (int i = 0; i < patnum; i++)
map_pat.put((Integer) i, new SessionPattern(this, fp, SessionPattern.FORMAT_XM, chnnum));
for (int i = 0; i < insnum; i++)
map_ins.put((Integer) (i + 1), new SessionInstrument(fp, SessionInstrument.FORMAT_XM, this));
}
/*
* gets an (uncompressed) stream representing the chunk data returns null if
* the chunk is not found or an error occurs
*/
public synchronized DataInputStream getChunkDataInputStream(int x, int z) {
if (outOfBounds(x, z)) {
debugln("READ", x, z, "out of bounds");
return null;
}
try {
int offset = getOffset(x, z);
if (offset == 0) {
// debugln("READ", x, z, "miss");
return null;
}
int sectorNumber = offset >> 8;
int numSectors = offset & 0xFF;
if (sectorNumber + numSectors > sectorFree.size()) {
debugln("READ", x, z, "invalid sector");
return null;
}
file.seek(sectorNumber * SECTOR_BYTES);
int length = file.readInt();
if (length > SECTOR_BYTES * numSectors) {
debugln("READ", x, z, "invalid length: " + length + " > 4096 * " + numSectors);
return null;
}
byte version = file.readByte();
if (version == VERSION_GZIP) {
byte[] data = new byte[length - 1];
file.read(data);
DataInputStream ret =
new DataInputStream(
new BufferedInputStream(new GZIPInputStream(new ByteArrayInputStream(data))));
// debug("READ", x, z, " = found");
return ret;
} else if (version == VERSION_DEFLATE) {
byte[] data = new byte[length - 1];
file.read(data);
DataInputStream ret =
new DataInputStream(
new BufferedInputStream(new InflaterInputStream(new ByteArrayInputStream(data))));
// debug("READ", x, z, " = found");
return ret;
}
debugln("READ", x, z, "unknown version " + version);
return null;
} catch (IOException e) {
debugln("READ", x, z, "exception");
return null;
}
}
public int luaCB_read(Lua l, LuaPlugin plugin) {
l.pushNil();
l.pushNil();
try {
long offset = (long) l.checkNumber(2);
int length = (int) l.checkNumber(3);
if (length <= 0) {
l.pushNil();
l.pushString("Length is not positive");
return 2;
}
byte[] tmp = new byte[length];
object.seek(offset);
length = object.read(tmp);
if (length < 0) {
l.pushNil();
l.pushNil();
return 2;
}
StringBuffer buf = new StringBuffer(length);
for (byte x : tmp) buf.appendCodePoint((int) x & 0xFF);
l.push(buf.toString());
} catch (IOException e) {
l.pushNil();
l.pushString("IOException: " + e.getMessage());
return 2;
}
return 1;
}
/**
* reads the content of an existing file using the current domain
*
* @param domain The namespace used to identify the application domain (1st level directory) to
* use
* @param path The path relative to the domain for the file
* @param block The sequential block number for the data to be read starting with 1
* @param len The length of the block in bytes
* @return The contents of the file
*/
public byte[] readFromFile(String path, int block, int len) {
byte[] buffer = null;
try {
if (_isLocal) {
File tmpFile = new File(_rootFile.getCanonicalPath() + File.separatorChar + path);
if (tmpFile.isFile()) {
RandomAccessFile in = new RandomAccessFile(tmpFile, "r");
in.seek((block - 1) * len);
int result = -1;
buffer = new byte[len];
if (in.getFilePointer() < in.length()) {
result = in.read(buffer);
ByteArrayOutputStream out = new ByteArrayOutputStream(result);
out.write(buffer, 0, result);
in.close();
return out.toByteArray();
} else {
in.close();
}
}
} else {
buffer = _remote.readFromFile(_domain, path, block, len);
}
} catch (Exception ex) {
ex.printStackTrace();
}
return buffer;
}
/**
* Loads a query from the mgf file.
*
* @param file The file to read the query from.
* @param indexElement The index element pointing to that specific ms2 query.
* @return
* @oaram index The query's 1-based index in the MGF file. This index is stored in the returned
* Ms2Query object.
*/
private static Ms2Query loadIndexedQueryFromFile(File file, IndexElement indexElement, int index)
throws JMzReaderException {
RandomAccessFile accFile = null;
try {
accFile = new RandomAccessFile(file, "r");
// read the indexed element
byte[] byteBuffer = new byte[indexElement.getSize()];
// read the file from there
accFile.seek(indexElement.getStart());
accFile.read(byteBuffer);
String ms2Buffer = new String(byteBuffer);
// create the query
Ms2Query query = new Ms2Query(ms2Buffer, index);
return query;
} catch (FileNotFoundException e) {
throw new JMzReaderException("MGF file could not be found.", e);
} catch (IOException e) {
throw new JMzReaderException("Failed to read from MGF file", e);
} finally {
if (accFile != null) {
try {
accFile.close();
} catch (IOException e) {
// ignore
}
}
}
}
/**
* Fills the buffer with more data, taking into account shuffling and other tricks for dealing
* with marks. Assumes that it is being called by a synchronized method. This method also assumes
* that all data has already been read in, hence pos > count.
*/
private void fill() throws IOException {
if (markpos < 0) {
pos = 0; /* no mark: throw away the buffer */
bufpos += count;
} else if (pos >= buf.length) /* no room left in buffer */
if (markpos > 0) {
/* can throw away early part of the buffer */
int sz = pos - markpos;
System.arraycopy(buf, markpos, buf, 0, sz);
pos = sz;
bufpos += markpos;
markpos = 0;
} else if (buf.length >= marklimit) {
markpos = -1; /* buffer got too big, invalidate mark */
pos = 0; /* drop buffer contents */
bufpos += count;
} else {
/* grow buffer */
int nsz = pos * 2;
if (nsz > marklimit) nsz = marklimit;
byte nbuf[] = new byte[nsz];
System.arraycopy(buf, 0, nbuf, 0, pos);
buf = nbuf;
}
count = pos;
// limit to datalen
int len = buf.length - pos;
if (bufpos - start + pos + len > datalen) len = (int) (datalen - (bufpos - start + pos));
synchronized (in) {
in.seek(bufpos + pos);
int n = in.read(buf, pos, len);
if (n > 0) count = n + pos;
}
}
/**
* reads the content of an existing file using the current domain
*
* @param domain The namespace used to identify the application domain (1st level directory) to
* use
* @param path The path relative to the domain for the file
* @param offset the offset from the beginning of the file.
* @param len The length of the block in bytes
* @return The contents of the file
*/
public byte[] readByteFromFile(String path, long offset, int len)
throws EOFException, FileAccessException {
try {
if (_isLocal) {
File tmpFile = new File(_rootFile.getCanonicalPath() + File.separatorChar + path);
if (tmpFile.isFile()) {
RandomAccessFile raf = new RandomAccessFile(tmpFile, "r");
byte[] buffer = new byte[len];
raf.seek(offset);
int totalByteRead = 0;
ByteArrayOutputStream out = new ByteArrayOutputStream();
int result = 0;
while (totalByteRead < len && raf.getFilePointer() < raf.length()) {
result = raf.read(buffer, 0, (len - totalByteRead));
if (result != -1) {
out.write(buffer, 0, result);
totalByteRead += result;
} else if (totalByteRead == 0) throw new EOFException("End of file reached!");
else break;
}
raf.close();
out.flush();
out.close();
return out.toByteArray();
} else throw new FileAccessException("Path is not a file");
} else return _remote.readByteFromFile(_domain, path, offset, len);
} catch (EOFException eofe) {
throw eofe;
} catch (FileAccessException fae) {
throw fae;
} catch (Exception e) {
throw new FileAccessException(e);
}
}
/**
* Reads an array of strings from the TIFF file.
*
* @param count Number of strings to read
* @param value Offset from which to read
*/
protected String[] readASCIIArray(long count, long value) throws IOException {
_raf.seek(value);
int nstrs = 0;
List list = new LinkedList();
byte[] buf = new byte[(int) count];
_raf.read(buf);
StringBuffer strbuf = new StringBuffer();
for (int i = 0; i < count; i++) {
int b = buf[i];
if (b == 0) {
list.add(strbuf.toString());
strbuf.setLength(0);
} else {
strbuf.append((char) b);
}
}
/* We can't use ArrayList.toArray because that returns an
Object[], not a String[] ... sigh. */
String[] strs = new String[nstrs];
ListIterator iter = list.listIterator();
for (int i = 0; i < nstrs; i++) {
strs[i] = (String) iter.next();
}
return strs;
}
public PSTFile(File fileName) throws FileNotFoundException, PSTException, IOException {
// attempt to open the file.
in = new RandomAccessFile(fileName, "r");
// get the first 4 bytes, should be !BDN
try {
byte[] temp = new byte[4];
in.read(temp);
String strValue = new String(temp);
if (!strValue.equals("!BDN")) {
throw new PSTException("Invalid file header: " + strValue + ", expected: !BDN");
}
// make sure we are using a supported version of a PST...
byte[] fileTypeBytes = new byte[2];
in.seek(10);
in.read(fileTypeBytes);
// ANSI file types can be 14 or 15:
if (fileTypeBytes[0] == PSTFile.PST_TYPE_ANSI_2) {
fileTypeBytes[0] = PSTFile.PST_TYPE_ANSI;
}
if (fileTypeBytes[0] != PSTFile.PST_TYPE_ANSI
&& fileTypeBytes[0] != PSTFile.PST_TYPE_UNICODE) {
throw new PSTException("Unrecognised PST File version: " + fileTypeBytes[0]);
}
this.pstFileType = fileTypeBytes[0];
// make sure encryption is turned off at this stage...
if (this.getPSTFileType() == PST_TYPE_ANSI) {
in.seek(461);
} else {
in.seek(513);
}
encryptionType = in.readByte();
if (encryptionType == 0x02) {
throw new PSTException(
"Only unencrypted and compressable PST files are supported at this time");
}
// build out name to id map.
processNameToIdMap(in);
} catch (IOException err) {
throw new PSTException("Unable to read PST Sig", err);
}
}
public String getLine(int lineNo) throws Exception {
if (lineNo <= 0 || lineNo > mNumLines) {
return null;
}
String line = null;
Jedis jedis = pool_.getResource();
try {
String lineNoStr = Integer.toString(lineNo);
line = jedis.hget(lineNoStr, LINE_KEY);
if (line == null) {
RecordId lineId = getRecordId(lineNo);
byte[] buffer = new byte[BLOCK_SIZE];
synchronized (mDataFile) {
mDataFile.seek(lineId.pageNo() * BLOCK_SIZE);
mDataFile.read(buffer);
}
ByteBuffer bb = ByteBuffer.wrap(buffer);
int numRecords = bb.getInt(BLOCK_SIZE - INT_SIZE);
int indexPos = BLOCK_SIZE - 3 * INT_SIZE;
int curLineNo = lineNo - lineId.slotNo() + 1;
String[] recordKeys = {PAGE_NO_KEY, SLOT_NO_KEY};
for (int i = 1; i < numRecords; i++, curLineNo++) {
int offset = bb.getInt(indexPos);
int len = bb.getInt(indexPos + INT_SIZE);
ByteBuffer linebb = ByteBuffer.wrap(buffer, offset, len);
byte[] lineBuf = new byte[linebb.remaining()];
linebb.get(lineBuf);
String lineStr = new String(lineBuf);
if (i == lineId.slotNo()) {
line = lineStr;
}
// Store in cache
lineNoStr = Integer.toString(curLineNo);
jedis.hdel(lineNoStr, recordKeys);
jedis.hset(lineNoStr, LINE_KEY, lineStr);
indexPos -= 2 * INT_SIZE;
}
}
if (line == null) {
throw new Exception("LineServer: Could not find line on page");
}
} catch (IOException ioe) {
System.err.println("LineServer: IOException on line retrieval");
throw ioe;
} finally {
pool_.returnResource(jedis);
}
return line;
}
/**
* Fully reads a block from a section of the file into the given byte[] array at the given
* position.
*/
public void readFully(final long position, byte[] buf, int off, int len) throws IOException {
synchronized (data) {
data.seek(position);
int to_read = len;
while (to_read > 0) {
int read = data.read(buf, off, to_read);
to_read -= read;
off += read;
}
}
}
/**
* reads the content of a group of existing files in a zipped block
*
* @param domain The namespace used to identify the application domain (1st level directory) to
* use
* @param paths The paths relative to the domain for the files to be read
* @param offset The offset in the file to start reading from
* @param len The length of the block in bytes in zipped form
* @return The contents of the file in zipped form together with the description of the files
*/
public MultiFileBlock readFromStreamZipped(String[] paths, long offset, int len) {
MultiFileBlock block = null;
try {
if (_isLocal) {
int startFileIndex =
Util.getStartFileIndex(
_rootFile.getCanonicalPath() + File.separatorChar, paths, offset);
long startFileOffset =
Util.getStartFileOffset(
_rootFile.getCanonicalPath() + File.separatorChar, paths, offset);
int i = startFileIndex;
long j = startFileOffset;
// int bufSize=0;
int totalBufSize = 0;
int readResult = 0;
ByteArrayOutputStream bOut = new ByteArrayOutputStream(len);
GZIPOutputStream zOut = new GZIPOutputStream(bOut, len);
block = new MultiFileBlock();
while (totalBufSize < len && i < paths.length) {
File tmpFile = new File(_rootFile.getCanonicalPath() + File.separatorChar + paths[i]);
if (tmpFile.isFile() && tmpFile.exists()) {
RandomAccessFile in = new RandomAccessFile(tmpFile, "r");
byte[] tmpBuf = new byte[len - totalBufSize];
in.seek(j);
while (totalBufSize < len && in.getFilePointer() < in.length()) {
readResult = in.read(tmpBuf);
if (readResult != -1) {
zOut.write(tmpBuf, 0, readResult);
// bufSize = bOut.size();
totalBufSize += readResult;
} else {
break;
}
}
BlockFileDescriptor des = new BlockFileDescriptor(_domain, paths[i], in.length());
block.addBlockFileDescriptor(des);
in.close();
i++;
j = 0;
} else {
return null;
}
}
zOut.close();
block.setBlockData(bOut.toByteArray());
} else {
block = _remote.readFromStreamZipped(_domain, paths, offset, len);
}
} catch (Exception ex) {
ex.printStackTrace();
}
return block;
}
public static void readBinary() {
RandomAccessFile fi = null;
DataInputStream di = null;
try {
fi = new RandomAccessFile("binary.bi", "r");
fi.seek(3);
byte[] demo = new byte[3];
fi.read(demo, 0, 3);
System.out.println(new String(demo));
fi.seek(6);
fi.read(demo, 0, 3);
System.out.println(new String(demo));
// di = new DataInputStream(new FileInputStream("binary.bi"));
// di.skipBytes(3);
// di.read(demo, 0, 6);
// System.out.println(new String(demo));
} catch (Exception E) {
E.printStackTrace();
}
}
int getBytes(byte[] ary, int start) {
int x = 0;
try {
rf.seek(start);
x = rf.read(ary, 0, ary.length);
System.out.println("start " + start + " length " + x + " first " + ary[0]);
} catch (IOException ex) {
return 0;
}
return x;
}
/* returns the byte data*/
public byte[] getPdfBuffer() {
byte[] bytes = new byte[length];
try {
buf.seek(0);
buf.read(bytes);
} catch (IOException e) {
e.printStackTrace();
}
return bytes;
}
/**
* Assuming the file has an id3v2 tag, returns true if the tag can be overwritten. We cannot
* overwrite id3v2 tags not supported
*
* @param raf
* @return
* @throws IOException
*/
private boolean canOverwrite(RandomAccessFile raf) throws IOException {
raf.seek(3);
// Version du tag ID3v2.xx.xx
String versionHigh = raf.read() + "";
if (!(versionHigh.equals("4") || versionHigh.equals("3") || versionHigh.equals("2")))
return false; // only version 2.3.xx
// raf.read();
// int flag = raf.read() & 128;
// if (flag == 128)
// return false; //unsynchronised tags not supported
return true;
}
static FileSendingFormat readFromFile(RandomAccessFile rf, byte[] ary, long startPos) {
int bytes = 0;
synchronized (rf) {
try {
rf.seek(startPos);
bytes = rf.read(ary, 0, ary.length);
System.out.println(">>>" + rf.getFilePointer() + " ff " + (startPos + bytes));
} catch (IOException e) {
e.printStackTrace();
}
}
return new FileSendingFormat(ary, startPos, bytes);
}
private void doTheDamnThing(RandomAccessFile fp) throws IOException {
byte[] b = new byte[26];
// Load IMPM header
fp.read(b, 0, 4);
if (b[0] == 'I' && b[1] == 'M' && b[2] == 'P' && b[3] == 'M') {
loadDataIT(fp);
return;
}
// Attempt to load XM
fp.seek(0);
if (Util.readStringNoNul(fp, b, 17).equals("Extended Module: ")) {
fp.seek(17 + 20);
if (fp.read() == 0x1A) {
fp.seek(17);
loadDataXM(fp);
return;
}
}
// Attempt to load ST3 module
fp.seek(0x1C);
if (fp.readUnsignedShort() == 0x1A10) {
fp.seek(0);
loadDataS3M(fp);
return;
}
fp.seek(0);
// Assume this is a .mod file
if (true) {
loadDataMOD(fp);
return;
}
throw new RuntimeException("module format not supported");
}
public String namify(Integer value) throws IOException {
File f = new File(graphName + "_names.dat");
if (!f.exists()) {
System.out.println("didn't find name file: " + f.getPath());
return value + "";
}
int i = value * 16;
RandomAccessFile raf = new RandomAccessFile(f.getAbsolutePath(), "r");
raf.seek(i);
byte[] tmp = new byte[16];
raf.read(tmp);
raf.close();
return new String(tmp) + "(" + value + ")";
}
private void execReadSectorsTask() {
File file = this.ioFile;
long pos = this.ioFilePos;
if (this.debugLevel > 3) {
System.out.printf("GIDE io task: read track, pos=%d", pos);
}
if ((file != null) && (pos >= 0)) {
if (file.exists()) {
RandomAccessFile raf = null;
try {
raf = new RandomAccessFile(file, "r");
raf.seek(pos);
this.ioByteCnt = (int) raf.read(this.ioBuf, 0, this.ioByteCnt);
if (this.debugLevel > 3) {
System.out.printf("GIDE io task: read sector: %d read\n", this.ioByteCnt);
}
} catch (IOException ex) {
if (this.debugLevel > 3) {
System.out.println("GIDE io task: read sector: error");
}
if (!this.readErrShown) {
this.readErrShown = true;
EmuUtil.fireShowError(
this.owner,
"Die Festplattenabbilddatei kann nicht gelesen"
+ " werden.\n"
+ "Gegen\u00FCber dem emulierten System"
+ " wird jedoch kein Fehler signalisiert.",
ex);
}
} finally {
EmuUtil.doClose(raf);
}
} else {
EmuUtil.fireShowError(
this.owner,
"Die Festplattenabbilddatei existiert nicht und"
+ " kann deshalb auch nicht gelesen werden.\n"
+ "Gegen\u00FCber dem emulierten System"
+ " wird jedoch kein Fehler signalisiert.\n"
+ "Mit dem ersten Schreibzugriff auf das"
+ " emulierte Laufwerk wird die Abbilddatei"
+ " angelegt.",
null);
}
this.ioBufPos = 0;
this.statusReg |= STATUS_DATA_REQUEST;
fireInterrupt();
}
}
/**
* Reads a string value from the TIFF file.
*
* @param count Length of string
* @param value Offset of string
*/
protected String readASCII(long count, long value) throws IOException {
_raf.seek(value);
byte[] buffer = new byte[(int) count];
_raf.read(buffer);
StringBuffer sb = new StringBuffer();
for (int i = 0; i < count; i++) {
if (buffer[i] == 0) {
break;
}
sb.append((char) buffer[i]);
}
return sb.toString();
}
/** constructs a frequency table from a file */
public static int[] constructTable(RandomAccessFile file) {
int[] ret = new int[TABLESIZE];
try {
file.seek(0L);
long l = file.length();
for (long i = 0; i < l; i++) {
int c = file.read();
ret[c]++;
}
return ret;
} catch (Exception ex) {
ExHandler.handle(ex);
return null;
}
}
public static Map<String, Integer> queryTF(
String word,
Map<String, TokenCatalogBean> tokenCatBean,
Map<String, DocBean> docCatBean,
Utility u,
String folder)
throws IOException {
Map<String, Integer> results = new HashMap<>();
long startOffset = 0;
long endOffset = 0;
word = word.toLowerCase().trim();
if (tokenCatBean.containsKey(word)) {
// System.out.println("tokenCatBeanContains the word "+word);
startOffset = tokenCatBean.get(word).getStartOffset();
endOffset = tokenCatBean.get(word).getEndOffset();
// System.out.println("StartOffset:: "+startOffset);
// System.out.println("EndOffset:: "+endOffset);
RandomAccessFile raf =
new RandomAccessFile("C:\\Users\\Nitin\\Assign2\\" + folder + "\\TermsHash84.txt", "r");
raf.seek(startOffset);
byte[] termLine = new byte[(int) (endOffset - startOffset)];
raf.read(termLine);
String term = new String(termLine);
// System.out.println("Term Fetched:::: "+term);
String[] termOutput = term.split(" ");
// System.out.println("last splitTerm"+
// termOutput[termOutput.length-1]);
for (int i = 1; i < termOutput.length - 1; i++) {
String s = termOutput[i];
// System.out.println("String output:: "+s);
String[] docDetail = s.split(":");
int docId = Integer.parseInt(docDetail[0]);
int endIndex = docDetail[1].indexOf("-");
int tF = Integer.parseInt(docDetail[1].substring(0, endIndex));
results.put(u.getDocKey(docId), tF);
}
raf.close();
}
return results;
}
// see DbFile.java for javadocs
public Page readPage(PageId pid) {
// some code goes here
try {
RandomAccessFile rAf = new RandomAccessFile(f, "r");
int offset = pid.pageNumber() * BufferPool.PAGE_SIZE;
byte[] b = new byte[BufferPool.PAGE_SIZE];
rAf.seek(offset);
rAf.read(b, 0, BufferPool.PAGE_SIZE);
HeapPageId hpid = (HeapPageId) pid;
rAf.close();
return new HeapPage(hpid, b);
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/** Reads an array of SRATIONAL values and returns it as an array of Rational. */
protected Rational[] readSignedRationalArray(long count, long value) throws IOException {
_raf.seek(value);
byte[] buffer = new byte[(int) calcValueSize(SRATIONAL, count)];
_raf.read(buffer);
DataInputStream stream = new DataInputStream(new ByteArrayInputStream(buffer));
Rational[] rarray = new Rational[(int) count];
for (int i = 0; i < count; i++) {
long numer = ModuleBase.readSignedInt(stream, _bigEndian, null);
long denom = ModuleBase.readSignedInt(stream, _bigEndian, null);
rarray[i] = new Rational(numer, denom);
}
return rarray;
}
public int testRead(final String fileName) throws Exception {
RandomAccessFile file = new RandomAccessFile(fileName, "r");
final byte[] buffer = new byte[PAGE_SIZE];
int checkSum = 0;
int bytesRead;
while (-1 != (bytesRead = file.read(buffer))) {
for (int i = 0; i < bytesRead; i++) {
checkSum += buffer[i];
}
}
file.close();
return checkSum;
}
/**
* Get the next rtp packet recorded in the rtpdump file.
*
* @param loopFile if true, when the end of the rtpdump file is reached, this
* <tt>RtpdumpFileReader</tt> will go back at the beginning of the file and get the first
* packet.
* @return a <tt>RawPacket</tt> containing all the information and data of the next rtp packet
* recorded in the rtpdump file
* @throws IOException if <tt>loopFile</tt> was false and the end of the file is reached.
*/
public RawPacket getNextPacket(boolean loopFile) throws IOException {
if (loopFile && (stream.getFilePointer() >= stream.length())) {
resetFile();
}
byte[] rtpdumpPacket;
int sizeInBytes;
stream.readShort(); // read away an useless short (2 bytes)
sizeInBytes = stream.readUnsignedShort();
rtpdumpPacket = new byte[sizeInBytes];
stream.readInt(); // read away the rtpdump timestamp
stream.read(rtpdumpPacket);
return new RawPacket(rtpdumpPacket, 0, rtpdumpPacket.length);
}
// Invariant: should be at beginning of record
public long getNextRecordIndex() {
long offset = file_pos + buffer_pos;
boolean on_seq_header = true;
boolean on_seq = false;
boolean on_qual_header = false;
boolean on_qual = false;
int num_seq_lines = 0;
int num_qual_lines = 0;
try {
while (true) {
if (buffer_size == 0 || buffer_pos >= buffer_size) {
file_pos = filein.getFilePointer();
buffer_size = filein.read(buffer);
buffer_pos = 0;
}
if (buffer_size < 1) return -1;
if (buffer[buffer_pos] == '+' && on_seq) {
on_qual_header = true;
}
if (buffer[buffer_pos] == '\n') {
if (on_qual) {
num_qual_lines++;
if (num_seq_lines == num_qual_lines) {
buffer_pos++;
return offset;
}
} else if (on_qual_header) {
on_qual = true;
} else if (on_seq) {
num_seq_lines++;
} else if (on_seq_header) {
on_seq = true;
}
}
buffer_pos++;
}
} catch (Exception e) {
return -1;
}
}