List of usage examples for java.io FileInputStream getChannel
public FileChannel getChannel()
From source file:API.amazon.mws.feeds.service.MarketplaceWebServiceClient.java
/** * Calculate content MD5 header values for feeds stored on disk. *//*w ww . j a va2s.c o m*/ private String computeContentMD5HeaderValue(FileInputStream fis) throws IOException, NoSuchAlgorithmException { DigestInputStream dis = new DigestInputStream(fis, MessageDigest.getInstance("MD5")); byte[] buffer = new byte[8192]; while (dis.read(buffer) > 0) ; String md5Content = new String( org.apache.commons.codec.binary.Base64.encodeBase64(dis.getMessageDigest().digest())); // Effectively resets the stream to be beginning of the file via a FileChannel. fis.getChannel().position(0); return md5Content; }
From source file:com.example.sensingapp.SensingApp.java
private void copyWaveFile() { FileInputStream in = null; FileOutputStream out = null;/*from w w w.ja v a 2s . com*/ long totalAudioLen = 0; long totalDataLen = totalAudioLen + 36; int channels = 2; long byteRate = 16 * m_nAudioSampleRate * channels / 8; String sFullAudioPathFileTmp = m_sRecordFullPathFile + ".wav.tmp"; String sFullAudioPathFile = m_sRecordFullPathFile + ".wav"; byte[] data = new byte[m_nBufferSize]; try { in = new FileInputStream(sFullAudioPathFileTmp); out = new FileOutputStream(sFullAudioPathFile); totalAudioLen = in.getChannel().size(); totalDataLen = totalAudioLen + 36; WriteWaveFileHeader(out, totalAudioLen, totalDataLen, m_nAudioSampleRate, channels, byteRate); while (in.read(data) != -1) { out.write(data); } in.close(); out.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } }
From source file:org.skt.runtime.html5apis.file.FileTransfer.java
/** * Uploads the specified file to the server URL provided using an HTTP multipart request. * @param source Full path of the file on the file system * @param target URL of the server to receive the file * @param args JSON Array of args * * args[2] fileKey Name of file request parameter * args[3] fileName File name to be used on server * args[4] mimeType Describes file content type * args[5] params key:value pairs of user-defined parameters * @return FileUploadResult containing result of upload request *//*from w w w . java 2 s . com*/ private PluginResult upload(String source, String target, JSONArray args) { Log.d(LOG_TAG, "upload " + source + " to " + target); HttpURLConnection conn = null; try { // Setup the options String fileKey = getArgument(args, 2, "file"); String fileName = getArgument(args, 3, "image.jpg"); String mimeType = getArgument(args, 4, "image/jpeg"); JSONObject params = args.optJSONObject(5); if (params == null) { params = new JSONObject(); } boolean trustEveryone = args.optBoolean(6); boolean chunkedMode = args.optBoolean(7) || args.isNull(7); //Always use chunked mode unless set to false as per API Log.d(LOG_TAG, "fileKey: " + fileKey); Log.d(LOG_TAG, "fileName: " + fileName); Log.d(LOG_TAG, "mimeType: " + mimeType); Log.d(LOG_TAG, "params: " + params); Log.d(LOG_TAG, "trustEveryone: " + trustEveryone); Log.d(LOG_TAG, "chunkedMode: " + chunkedMode); // Create return object FileUploadResult result = new FileUploadResult(); // Get a input stream of the file on the phone FileInputStream fileInputStream = (FileInputStream) getPathFromUri(source); DataOutputStream dos = null; int bytesRead, bytesAvailable, bufferSize; long totalBytes; byte[] buffer; int maxBufferSize = 8096; //------------------ CLIENT REQUEST // open a URL connection to the server URL url = new URL(target); // Open a HTTP connection to the URL based on protocol if (url.getProtocol().toLowerCase().equals("https")) { // Using standard HTTPS connection. Will not allow self signed certificate if (!trustEveryone) { conn = (HttpsURLConnection) url.openConnection(); } // Use our HTTPS connection that blindly trusts everyone. // This should only be used in debug environments else { // Setup the HTTPS connection class to trust everyone trustAllHosts(); HttpsURLConnection https = (HttpsURLConnection) url.openConnection(); // Save the current hostnameVerifier defaultHostnameVerifier = https.getHostnameVerifier(); // Setup the connection not to verify hostnames https.setHostnameVerifier(DO_NOT_VERIFY); conn = https; } } // Return a standard HTTP connection else { conn = (HttpURLConnection) url.openConnection(); } // Allow Inputs conn.setDoInput(true); // Allow Outputs conn.setDoOutput(true); // Don't use a cached copy. conn.setUseCaches(false); // Use a post method. conn.setRequestMethod("POST"); conn.setRequestProperty("Connection", "Keep-Alive"); conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + BOUNDARY); // Handle the other headers try { JSONObject headers = params.getJSONObject("headers"); for (Iterator iter = headers.keys(); iter.hasNext();) { String headerKey = iter.next().toString(); conn.setRequestProperty(headerKey, headers.getString(headerKey)); } } catch (JSONException e1) { // No headers to be manipulated! } // Set the cookies on the response String cookie = CookieManager.getInstance().getCookie(target); if (cookie != null) { conn.setRequestProperty("Cookie", cookie); } /* * Store the non-file portions of the multipart data as a string, so that we can add it * to the contentSize, since it is part of the body of the HTTP request. */ String extraParams = ""; try { for (Iterator iter = params.keys(); iter.hasNext();) { Object key = iter.next(); if (!String.valueOf(key).equals("headers")) { extraParams += LINE_START + BOUNDARY + LINE_END; extraParams += "Content-Disposition: form-data; name=\"" + key.toString() + "\";"; extraParams += LINE_END + LINE_END; extraParams += params.getString(key.toString()); extraParams += LINE_END; } } } catch (JSONException e) { Log.e(LOG_TAG, e.getMessage(), e); } extraParams += LINE_START + BOUNDARY + LINE_END; extraParams += "Content-Disposition: form-data; name=\"" + fileKey + "\";" + " filename=\""; String midParams = "\"" + LINE_END + "Content-Type: " + mimeType + LINE_END + LINE_END; String tailParams = LINE_END + LINE_START + BOUNDARY + LINE_START + LINE_END; // Should set this up as an option if (chunkedMode) { conn.setChunkedStreamingMode(maxBufferSize); } else { int stringLength = extraParams.getBytes("UTF-8").length + midParams.getBytes("UTF-8").length + tailParams.getBytes("UTF-8").length + fileName.getBytes("UTF-8").length; Log.d(LOG_TAG, "String Length: " + stringLength); int fixedLength = (int) fileInputStream.getChannel().size() + stringLength; Log.d(LOG_TAG, "Content Length: " + fixedLength); conn.setFixedLengthStreamingMode(fixedLength); } dos = new DataOutputStream(conn.getOutputStream()); dos.write(extraParams.getBytes("UTF-8")); //We don't want to chagne encoding, we just want this to write for all Unicode. dos.write(fileName.getBytes("UTF-8")); dos.write(midParams.getBytes("UTF-8")); // create a buffer of maximum size bytesAvailable = fileInputStream.available(); bufferSize = Math.min(bytesAvailable, maxBufferSize); buffer = new byte[bufferSize]; // read file and write it into form... bytesRead = fileInputStream.read(buffer, 0, bufferSize); totalBytes = 0; while (bytesRead > 0) { totalBytes += bytesRead; result.setBytesSent(totalBytes); dos.write(buffer, 0, bufferSize); bytesAvailable = fileInputStream.available(); bufferSize = Math.min(bytesAvailable, maxBufferSize); bytesRead = fileInputStream.read(buffer, 0, bufferSize); } // send multipart form data necesssary after file data... dos.write(tailParams.getBytes("UTF-8")); // close streams fileInputStream.close(); dos.flush(); dos.close(); //------------------ read the SERVER RESPONSE StringBuffer responseString = new StringBuffer(""); DataInputStream inStream; try { inStream = new DataInputStream(conn.getInputStream()); } catch (FileNotFoundException e) { Log.e(LOG_TAG, e.toString(), e); throw new IOException("Received error from server"); } String line; while ((line = inStream.readLine()) != null) { responseString.append(line); } Log.d(LOG_TAG, "got response from server"); Log.d(LOG_TAG, responseString.toString()); // send request and retrieve response result.setResponseCode(conn.getResponseCode()); result.setResponse(responseString.toString()); inStream.close(); // Revert back to the proper verifier and socket factories if (trustEveryone && url.getProtocol().toLowerCase().equals("https")) { ((HttpsURLConnection) conn).setHostnameVerifier(defaultHostnameVerifier); HttpsURLConnection.setDefaultSSLSocketFactory(defaultSSLSocketFactory); } Log.d(LOG_TAG, "****** About to return a result from upload"); return new PluginResult(PluginResult.Status.OK, result.toJSONObject()); } catch (FileNotFoundException e) { JSONObject error = createFileTransferError(FILE_NOT_FOUND_ERR, source, target, conn); Log.e(LOG_TAG, error.toString(), e); return new PluginResult(PluginResult.Status.IO_EXCEPTION, error); } catch (MalformedURLException e) { JSONObject error = createFileTransferError(INVALID_URL_ERR, source, target, conn); Log.e(LOG_TAG, error.toString(), e); return new PluginResult(PluginResult.Status.IO_EXCEPTION, error); } catch (IOException e) { JSONObject error = createFileTransferError(CONNECTION_ERR, source, target, conn); Log.e(LOG_TAG, error.toString(), e); return new PluginResult(PluginResult.Status.IO_EXCEPTION, error); } catch (JSONException e) { Log.e(LOG_TAG, e.getMessage(), e); return new PluginResult(PluginResult.Status.JSON_EXCEPTION); } catch (Throwable t) { // Shouldn't happen, but will JSONObject error = createFileTransferError(CONNECTION_ERR, source, target, conn); Log.wtf(LOG_TAG, error.toString(), t); return new PluginResult(PluginResult.Status.IO_EXCEPTION, error); } finally { if (conn != null) { conn.disconnect(); } } }
From source file:es.pode.publicacion.negocio.servicios.SrvPublicacionServiceImpl.java
/** * Mueve el contenido de un directorio a otro directorio. * // w ww . j a va 2s . com * @param oldDir * Directorio origen. * @param newDir * Directorio destino. * @return devuelve el tamanio del directorio movido. * @throws Exception * */ protected Long handleMoveDir(File oldDir, File newDir) throws IOException { long longitudTransferida = 0; if (oldDir.isDirectory()) { newDir.mkdirs(); String list[] = oldDir.list(); for (int i = 0; i < list.length; i++) { String dest1 = newDir.getAbsolutePath() + "/" + list[i]; String src1 = oldDir.getAbsolutePath() + "/" + list[i]; longitudTransferida += handleMoveDir(new File(src1), new File(dest1)).longValue(); } } else { FileInputStream fin = new FileInputStream(oldDir); FileOutputStream fos = new FileOutputStream(newDir); FileChannel sourceChannel = fin.getChannel(); FileChannel targetChannel = fos.getChannel(); longitudTransferida = sourceChannel.size(); sourceChannel.transferTo(0, sourceChannel.size(), targetChannel); sourceChannel.close(); targetChannel.close(); } return new Long(longitudTransferida); }
From source file:gephi.spade.panel.fcsFile.java
/** * readFile ---// w w w . j a va 2 s . com * <p> * A helper function to read all the fields in the TEXT segment of the FCS * file. * </p> * * <p> * This helper function should only be called once by the constructor as it * is quite expensive. * </p> * * @param extractEventsP * boolean flag indicating whether to extract events in the * underlying file. * @throws <code>java.io.FileNotFoundException</code> if the file is not * found. * @throws <code>java.io.IOException</code> if an IO exception occurred. */ private void readFile(boolean extractEventsP) throws FileNotFoundException, IOException { // Open a file input stream to the file FileInputStream fis = new FileInputStream(file); // Create a byte array to hold the version byte[] versionArray = new byte[VERSION_SIZE]; // Read the version into the byte array int numRead = fis.read(versionArray); if (numRead < VERSION_SIZE) { // If the number of bytes read is less than the number of bytes in // the version string, then the file is too small to be an FCS file. isFCSP = false; // Close the file input stream fis.close(); // Quit return; } // Decode the version using the default encoding version = new String(versionArray); // Determine whether the file is an FCS file by whether the version // string starts with the FCS_PREFIX isFCSP = version.startsWith(FCS_PREFIX); if (!isFCSP) { // If the file is not an FCS file, then close the file and quit. // Close the file input stream fis.close(); // Quit return; } /** * At this point, we are pretty sure that the file is an FCS file. So, * we parse it. */ /** * Get the standard HEADER stuff */ // Skip 4 bytes to get to byte 10 fis.skip(4); // Create a byte array to hold the HEADER byte[] headerArray = new byte[48]; // Read the header into the byte array numRead = fis.read(headerArray); if (numRead < 48) { // If the number of bytes read is less than 48, then the file is too // small to be an FCS file. isFCSP = false; // Close the file input stream fis.close(); // Quit return; } try { // Try to parse the TEXT segment start and end and DATA segment // start and end textStart = Integer.parseInt((new String(headerArray, 0, 8)).trim()); textEnd = Integer.parseInt((new String(headerArray, 8, 8)).trim()); dataStart = Integer.parseInt((new String(headerArray, 16, 8)).trim()); dataEnd = Integer.parseInt((new String(headerArray, 24, 8)).trim()); } catch (NumberFormatException nfe) { // If a NumberFormatException occured, then quit because there's // nothing we can do without the TEXT or DATA segment. // Close the file input stream fis.close(); return; } /** * Get the ANALYSIS segment limits */ try { // Try to parse the analysisStart and analysisEnd analysisStart = Integer.parseInt((new String(headerArray, 32, 8)).trim()); analysisEnd = Integer.parseInt((new String(headerArray, 40, 8)).trim()); } catch (NumberFormatException nfe) { // If a NumberFormatException occured, then set the ANALYSIS start // and end to 0 since this segment is optional. analysisStart = 0; analysisEnd = 0; } /** * Use NIO to read the OTHER and TEXT segments */ // Get the channel for the input file FileChannel fc = fis.getChannel(); // Move the channel's position back to 0 fc.position(0); // Map the TEXT segment to memory MappedByteBuffer mbb = fc.map(FileChannel.MapMode.READ_ONLY, 0, textEnd + 1); /** * Create the character decoder for parsing characters */ decoder = charset.newDecoder(); /** * Get the OTHER segment */ mbb.limit(textStart); mbb.position(58); CharBuffer other = decoder.decode(mbb.slice()); /** * Get the TEXT segment */ mbb.limit(textEnd + 1); mbb.position(textStart); text = decoder.decode(mbb.slice()).toString(); /** * Close the file since we have the string version of the TEXT segment */ // Close the file channel fc.close(); // Close the file input stream fis.close(); /** * Decode the TEXT segment */ // The first character of the primary TEXT segment contains the // delimiter character delimiter = text.charAt(0); /** * Key/Value Pairs */ // Generate all the pairs String[] pairs; if (delimiter == '\\') { // If the delimiter character is a backslash, then we have to escape // it in the regular expression. pairs = text.split("[\\\\]"); } else { // Otherwise, we can just split it normally by using the character // in the regular expression. pairs = text.split("[" + Character.toString(delimiter) + "]"); } /** * Calculate the number of pairs --- The number of pairs is the length * of the pairs array minus 1 divided by 2. The one is due to the empty * first element from the Java split above. */ int numPairs = (pairs.length - 1) / 2; // Create a mapping for each key and its value settings = new Properties(); // Loop through the TEXT segment we just split to get the keys and // values // The key is in (i * 2) + 1 to account for the empty first element. // The value is in (i * 2) + 2 to account for the empty first element. for (int i = 0; i < numPairs; i++) { settings.setProperty(pairs[(i * 2) + 1].trim(), pairs[(i * 2) + 2].trim()); } // Go through all the key/value pairs and parse them parseSettings(); /** * Extract Events */ if (extractEventsP) { // If we are extracting data, then do so. extractEvents(); } }
From source file:com.zoffcc.applications.zanavi.Navit.java
private void import_map_points_from_sdcard() { String orig_file = NAVIT_DATA_SHARE_DIR + Navit_DEST_FILENAME; String dest_file_dir = CFG_FILENAME_PATH + "../export/"; try {//from w ww . j a v a2s. c o m File source = new File(dest_file_dir + Navit_DEST_FILENAME); File destination = new File(orig_file); if (source.exists()) { FileInputStream fi = new FileInputStream(source); FileOutputStream fo = new FileOutputStream(destination); FileChannel src = fi.getChannel(); FileChannel dst = fo.getChannel(); dst.transferFrom(src, 0, src.size()); src.close(); dst.close(); fi.close(); fo.close(); } } catch (Exception e) { e.printStackTrace(); } read_map_points(); }
From source file:com.zoffcc.applications.zanavi.Navit.java
private void export_map_points_to_sdcard() { String orig_file = NAVIT_DATA_SHARE_DIR + Navit_DEST_FILENAME; String dest_file_dir = CFG_FILENAME_PATH + "../export/"; try {//from w w w.j av a 2 s.c o m File dir = new File(dest_file_dir); dir.mkdirs(); } catch (Exception e) { e.printStackTrace(); } try { File source = new File(orig_file); File destination = new File(dest_file_dir + Navit_DEST_FILENAME); if (source.exists()) { FileInputStream fi = new FileInputStream(source); FileOutputStream fo = new FileOutputStream(destination); FileChannel src = fi.getChannel(); FileChannel dst = fo.getChannel(); dst.transferFrom(src, 0, src.size()); src.close(); dst.close(); fi.close(); fo.close(); } } catch (Exception e) { e.printStackTrace(); } }
From source file:org.sakaiproject.assignment.tool.AssignmentAction.java
private byte[] readIntoBytes(InputStream zin, String fName, long length) throws IOException { byte[] buffer = new byte[4096]; File f = File.createTempFile("asgnup", "tmp"); FileOutputStream fout = new FileOutputStream(f); try {//from w w w . j av a2 s. c o m int len; while ((len = zin.read(buffer)) > 0) { fout.write(buffer, 0, len); } zin.close(); } finally { try { fout.close(); // The file channel needs to be closed before the deletion. } catch (IOException ioException) { M_log.warn(this + "readIntoBytes: problem closing FileOutputStream " + ioException.getMessage()); } } FileInputStream fis = new FileInputStream(f); FileChannel fc = fis.getChannel(); byte[] data = null; try { data = new byte[(int) (fc.size())]; // fc.size returns the size of the file which backs the channel ByteBuffer bb = ByteBuffer.wrap(data); fc.read(bb); } finally { try { fc.close(); // The file channel needs to be closed before the deletion. } catch (IOException ioException) { M_log.warn(this + "readIntoBytes: problem closing FileChannel " + ioException.getMessage()); } try { fis.close(); // The file inputstream needs to be closed before the deletion. } catch (IOException ioException) { M_log.warn(this + "readIntoBytes: problem closing FileInputStream " + ioException.getMessage()); } } //remove the file f.delete(); return data; }
From source file:com.clark.func.Functions.java
/** * Internal copy file method.//from www. j av a 2 s . co m * * @param srcFile * the validated source file, must not be <code>null</code> * @param destFile * the validated destination file, must not be <code>null</code> * @param preserveFileDate * whether to preserve the file date * @throws IOException * if an error occurs */ private static void doCopyFile(File srcFile, File destFile, boolean preserveFileDate) throws IOException { if (destFile.exists() && destFile.isDirectory()) { throw new IOException("Destination '" + destFile + "' exists but is a directory"); } FileInputStream fis = null; FileOutputStream fos = null; FileChannel input = null; FileChannel output = null; try { fis = new FileInputStream(srcFile); fos = new FileOutputStream(destFile); input = fis.getChannel(); output = fos.getChannel(); long size = input.size(); long pos = 0; long count = 0; while (pos < size) { count = (size - pos) > FIFTY_MB ? FIFTY_MB : (size - pos); pos += output.transferFrom(input, pos, count); } } finally { closeQuietly(output); closeQuietly(fos); closeQuietly(input); closeQuietly(fis); } if (srcFile.length() != destFile.length()) { throw new IOException("Failed to copy full contents from '" + srcFile + "' to '" + destFile + "'"); } if (preserveFileDate) { destFile.setLastModified(srcFile.lastModified()); } }