List of usage examples for java.io EOFException EOFException
public EOFException(String s)
EOFException with the specified detail message. From source file:org.everrest.websockets.client.WSClient.java
private byte[] readFrame() throws IOException { // This byte contains info about message mask and about length of payload. final int secondByte = in.read(); if (secondByte < 0) { throw new EOFException("Failed read next websocket frame, end of the stream was reached. "); }//w ww .ja v a 2 s .co m final boolean masked = (secondByte & 0x80) > 0; long length = (secondByte & 0x7F); if (length == 126) { byte[] block = new byte[2]; readBlock(block); length = getPayloadLength(block); } else if (length == 127) { byte[] block = new byte[8]; readBlock(block); length = getPayloadLength(block); } byte[] mask = null; if (masked) { mask = new byte[MASK_SIZE]; readBlock(mask); } if (length > maxMessagePayloadSize) { throw new IOException(String.format("Message payload is to large, may not be greater than %d", maxMessagePayloadSize)); } // Payload may not greater then max integer: (2^31)-1 final byte[] payload = new byte[(int) length]; readBlock(payload); if (mask != null) { // Unmask payload bytes if they masked. for (int i = 0; i < payload.length; i++) { payload[i] = (byte) (payload[i] ^ mask[i % 4]); } } return payload; }
From source file:com.sshtools.daemon.scp.ScpServer.java
private void readFromRemote(String path) throws IOException { String cmd;/* www.j a v a2 s . c o m*/ String[] cmdParts = new String[3]; writeOk(); while (true) { log.debug("Waiting for command"); try { cmd = readString(); } catch (EOFException e) { return; } log.debug("Got command '" + cmd + "'"); char cmdChar = cmd.charAt(0); switch (cmdChar) { case 'E': writeOk(); return; case 'T': log.error("SCP time not currently supported"); writeError("WARNING: This server does not currently support the SCP time command"); break; case 'C': case 'D': parseCommand(cmd, cmdParts); FileAttributes attr = null; try { log.debug("Getting attributes for current destination (" + path + ")"); attr = nfs.getFileAttributes(path); } catch (FileNotFoundException fnfe) { log.debug("Current destination not found"); } String targetPath = path; String name = cmdParts[2]; if ((attr != null) && attr.isDirectory()) { log.debug("Target is a directory"); targetPath += ('/' + name); } FileAttributes targetAttr = null; try { log.debug("Getting attributes for target destination (" + targetPath + ")"); targetAttr = nfs.getFileAttributes(targetPath); } catch (FileNotFoundException fnfe) { log.debug("Target destination not found"); } if (cmdChar == 'D') { log.debug("Got directory request"); if (targetAttr != null) { if (!targetAttr.isDirectory()) { String msg = "Invalid target " + name + ", must be a directory"; writeError(msg); throw new IOException(msg); } } else { try { log.debug("Creating directory " + targetPath); if (!nfs.makeDirectory(targetPath)) { String msg = "Could not create directory: " + name; writeError(msg); throw new IOException(msg); } else { log.debug("Setting permissions on directory"); attr.setPermissionsFromMaskString(cmdParts[0]); } } catch (FileNotFoundException e1) { writeError("File not found"); throw new IOException("File not found"); } catch (PermissionDeniedException e1) { writeError("Permission denied"); throw new IOException("Permission denied"); } } readFromRemote(targetPath); continue; } log.debug("Opening file for writing"); byte[] handle = null; try { // Open the file handle = nfs.openFile(targetPath, new UnsignedInteger32(NativeFileSystemProvider.OPEN_CREATE | NativeFileSystemProvider.OPEN_WRITE | NativeFileSystemProvider.OPEN_TRUNCATE), attr); log.debug("NFS file opened"); writeOk(); log.debug("Reading from client"); int count = 0; int read; long length = Long.parseLong(cmdParts[1]); while (count < length) { read = pipeOut.read(buffer, 0, (int) (((length - count) < buffer.length) ? (length - count) : buffer.length)); if (read == -1) { throw new EOFException("ScpServer received an unexpected EOF during file transfer"); } log.debug("Got block of " + read); nfs.writeFile(handle, new UnsignedInteger64(String.valueOf(count)), buffer, 0, read); count += read; } log.debug("File transfer complete"); } catch (InvalidHandleException ihe) { writeError("Invalid handle."); throw new IOException("Invalid handle."); } catch (FileNotFoundException e) { writeError("File not found"); throw new IOException("File not found"); } catch (PermissionDeniedException e) { writeError("Permission denied"); throw new IOException("Permission denied"); } finally { if (handle != null) { try { log.debug("Closing handle"); nfs.closeFile(handle); } catch (Exception e) { } } } waitForResponse(); if (preserveAttributes) { attr.setPermissionsFromMaskString(cmdParts[0]); log.debug("Setting permissions on directory to " + attr.getPermissionsString()); try { nfs.setFileAttributes(targetPath, attr); } catch (Exception e) { writeError("Failed to set file permissions."); break; } } writeOk(); break; default: writeError("Unexpected cmd: " + cmd); throw new IOException("SCP unexpected cmd: " + cmd); } } }
From source file:org.mycore.common.content.util.MCRServletContentHelper.java
/** * Copy the content with the specified range of bytes from InputStream to OutputStream. * * @param in The input//from w w w. j a va 2s .co m * @param out The output * @param inPosition Current position of the input * @param start Start position to be copied * @param end End position to be copied * @return Exception which occurred during processing or if less than <code>end - start + 1</code> bytes were read/written. */ private static IOException copyRange(final InputStream in, final ServletOutputStream out, final long inPosition, final long start, final long end, final int outputBufferSize) { if (LOGGER.isTraceEnabled()) { LOGGER.trace("Serving bytes:" + start + "-" + end); } final long bytesToRead = end - start + 1; final long skip = start - inPosition; try { final long copied = copyLarge(in, out, skip, bytesToRead, new byte[outputBufferSize]); if (LOGGER.isTraceEnabled()) { LOGGER.trace("Served bytes:" + copied); } if (copied != bytesToRead) { return new EOFException("Bytes to send: " + bytesToRead + " actual: " + copied); } } catch (final IOException e) { return e; } return null; }
From source file:com.emc.ecs.smart.SmartUploader.java
private void doUploadSegment(int segmentNumber) throws IOException { // Calculate the segment long segmentStart = (long) segmentNumber * (long) segmentSize; int segmentLength = segmentSize; if (segmentStart + segmentLength > fileSize) { segmentLength = (int) (fileSize - segmentStart); }//from ww w .j a va 2 s . c o m LogMF.debug(l4j, "Segment {0} is {1} bytes at position {2}", segmentNumber, segmentLength, segmentStart); ByteBuffer buf; if (segmentLength == segmentSize) { buf = getBuffer(); } else { buf = ByteBuffer.allocateDirect(segmentLength); } int c; synchronized (fileChannel) { c = fileChannel.read(buf, segmentStart); } if (c == -1) { throw new EOFException("Unexpected EOF at offset " + segmentStart); } if (c != buf.capacity()) { // Didn't read expected number? throw new IOException( String.format("Read %d bytes, expected %d at offset %d", c, segmentLength, segmentStart)); } // Make an MD5 so we can use Content-MD5. String md5 = calculateMD5(buf); // We have our data. Now upload it. WebResource.Builder builder; try { builder = client.resource(uploadUrl.toURI()).getRequestBuilder(); } catch (URISyntaxException e) { // Shouldn't happen; by now we've already parsed the URI throw new RuntimeException("Could not construct request", e); } builder.header(HttpHeaders.CONTENT_LENGTH, segmentLength)//.header("Content-MD5", md5) .header(HttpHeaders.CONTENT_TYPE, contentType); if (segmentNumber != 0) { builder.header("Range", buildRange(segmentStart, segmentLength)); } builder.put(new ByteBufferInputStream(buf)); incrementUpload(segmentLength); printPercent(); if (segmentLength == segmentSize) { returnBuffer(buf); } }
From source file:com.sshtools.daemon.scp.ScpServer.java
private String readString() throws IOException { int ch;/*from w w w . ja v a 2 s . c om*/ int i = 0; while (((ch = pipeOut.read()) != ((int) '\n')) && (ch >= 0)) { buffer[i++] = (byte) ch; } if (ch == -1) { throw new EOFException("SCP returned unexpected EOF"); } if (buffer[0] == (byte) '\n') { throw new IOException("Unexpected <NL>"); } if ((buffer[0] == (byte) '\02') || (buffer[0] == (byte) '\01')) { String msg = new String(buffer, 1, i - 1); if (buffer[0] == (byte) '\02') { throw new IOException(msg); } throw new IOException("SCP returned an unexpected error: " + msg); } return new String(buffer, 0, i); }
From source file:com.sshtools.daemon.vfs.VirtualFileSystem.java
/** * * * @param handle/* w ww . j a va2 s . c om*/ * @param offset * @param len * * @return * * @throws InvalidHandleException * @throws EOFException * @throws IOException */ public byte[] readFile(byte[] handle, UnsignedInteger64 offset, UnsignedInteger32 len) throws InvalidHandleException, EOFException, IOException { String shandle = new String(handle); if (openFiles.containsKey(shandle)) { Object obj = openFiles.get(shandle); if (obj instanceof OpenFile) { OpenFile file = (OpenFile) obj; if ((file.getFlags().intValue() & NativeFileSystemProvider.OPEN_READ) == NativeFileSystemProvider.OPEN_READ) { byte[] buf = new byte[len.intValue()]; if (file.getRandomAccessFile().getFilePointer() != offset.longValue()) { file.getRandomAccessFile().seek(offset.longValue()); } int read = file.getRandomAccessFile().read(buf); if (read >= 0) { if (read == buf.length) { return buf; } else { byte[] tmp = new byte[read]; System.arraycopy(buf, 0, tmp, 0, read); return tmp; } } else { throw new EOFException("The file is EOF"); } } else { throw new InvalidHandleException("The file handle was not opened for reading"); } } else { throw new InvalidHandleException("Handle is not an open file"); } } else { throw new InvalidHandleException("The handle is invalid"); } }
From source file:org.apache.tajo.pullserver.PullServerUtil.java
/** * Retrieve file chunks which correspond to the requested URI. * Only the file chunks which has non-zero length are retrieved. * * @param conf/*from w w w. j a v a 2 s . com*/ * @param lDirAlloc * @param localFS * @param params * @param indexReaderCache * @param lowCacheHitCheckThreshold * @return * @throws IOException * @throws ExecutionException */ public static List<FileChunk> getFileChunks(final TajoConf conf, final LocalDirAllocator lDirAlloc, final FileSystem localFS, final PullServerParams params, final LoadingCache<IndexCacheKey, BSTIndexReader> indexReaderCache, final int lowCacheHitCheckThreshold) throws IOException, ExecutionException { final List<FileChunk> chunks = new ArrayList<>(); final String queryId = params.queryId(); final String shuffleType = params.shuffleType(); final String sid = params.ebId(); final long offset = params.offset(); final long length = params.length(); final Path queryBaseDir = PullServerUtil.getBaseOutputDir(queryId, sid); if (LOG.isDebugEnabled()) { LOG.debug("PullServer request param: shuffleType=" + shuffleType + ", sid=" + sid); // the working dir of tajo worker for each query LOG.debug("PullServer baseDir: " + conf.get(ConfVars.WORKER_TEMPORAL_DIR.varname) + "/" + queryBaseDir); } // if a stage requires a range shuffle if (PullServerUtil.isRangeShuffle(shuffleType)) { final List<String> taskIdList = params.taskAttemptIds(); final List<String> taskIds = PullServerUtil.splitMaps(taskIdList); final String startKey = params.startKey(); final String endKey = params.endKey(); final boolean last = params.last(); long before = System.currentTimeMillis(); for (String eachTaskId : taskIds) { Path outputPath = StorageUtil.concatPath(queryBaseDir, eachTaskId, "output"); if (!lDirAlloc.ifExists(outputPath.toString(), conf)) { LOG.warn(outputPath + " does not exist."); continue; } Path path = localFS.makeQualified(lDirAlloc.getLocalPathToRead(outputPath.toString(), conf)); FileChunk chunk = PullServerUtil.searchFileChunk(queryId, sid, path, startKey, endKey, last, indexReaderCache, lowCacheHitCheckThreshold); if (chunk != null) { chunks.add(chunk); } } long after = System.currentTimeMillis(); LOG.info("Index lookup time: " + (after - before) + " ms"); // if a stage requires a hash shuffle or a scattered hash shuffle } else if (PullServerUtil.isHashShuffle(shuffleType)) { final String partId = params.partId(); int partParentId = HashShuffleAppenderManager.getPartParentId(Integer.parseInt(partId), conf); Path partPath = StorageUtil.concatPath(queryBaseDir, "hash-shuffle", String.valueOf(partParentId), partId); if (!lDirAlloc.ifExists(partPath.toString(), conf)) { throw new FileNotFoundException(partPath.toString()); } Path path = localFS.makeQualified(lDirAlloc.getLocalPathToRead(partPath.toString(), conf)); File file = new File(path.toUri()); long startPos = (offset >= 0 && length >= 0) ? offset : 0; long readLen = (offset >= 0 && length >= 0) ? length : file.length(); if (startPos >= file.length()) { String errorMessage = "Start pos[" + startPos + "] great than file length [" + file.length() + "]"; throw new EOFException(errorMessage); } FileChunk chunk = new FileChunk(file, startPos, readLen); chunks.add(chunk); } else { throw new IllegalArgumentException(shuffleType); } return chunks.stream().filter(c -> c.length() > 0).collect(Collectors.toList()); }
From source file:org.everrest.websockets.client.WSClient.java
private void readBlock(byte[] buff) throws IOException { int offset = 0; int length = buff.length; int r;//from w w w. j a v a2 s.c om while (offset < buff.length) { r = in.read(buff, offset, length - offset); if (r < 0) { throw new EOFException("Failed read next websocket frame, end of the stream was reached. "); } offset += r; } }
From source file:org.apache.hadoop.hive.ql.exec.vector.VectorDeserializeRow.java
private void throwMoreDetailedException(IOException e, int index) throws EOFException { StringBuilder sb = new StringBuilder(); sb.append("Detail: \"" + e.toString() + "\" occured for field " + index + " of " + primitiveTypeInfos.length + " fields ("); for (int i = 0; i < primitiveTypeInfos.length; i++) { if (i > 0) { sb.append(", "); }/*from www. j a v a2 s .c om*/ sb.append(primitiveTypeInfos[i].getPrimitiveCategory().name()); } sb.append(")"); throw new EOFException(sb.toString()); }
From source file:org.apache.fontbox.ttf.TTFSubsetter.java
private long copyBytes(InputStream is, OutputStream os, long newOffset, long lastOffset, int count) throws IOException { // skip over from last original offset long nskip = newOffset - lastOffset; if (nskip != is.skip(nskip)) { throw new EOFException("Unexpected EOF exception parsing glyphId of hmtx table."); }/* w ww .j ava 2 s.c o m*/ byte[] buf = new byte[count]; if (count != is.read(buf, 0, count)) { throw new EOFException("Unexpected EOF exception parsing glyphId of hmtx table."); } os.write(buf, 0, count); return newOffset + count; }