List of usage examples for java.io FileInputStream read
public int read(byte b[], int off, int len) throws IOException
len bytes of data from this input stream into an array of bytes. From source file:Main.java
public void doZip(String filename, String zipfilename) throws Exception { byte[] buf = new byte[1024]; FileInputStream fis = new FileInputStream(filename); fis.read(buf, 0, buf.length); CRC32 crc = new CRC32(); ZipOutputStream s = new ZipOutputStream((OutputStream) new FileOutputStream(zipfilename)); s.setLevel(6);/*from w w w. j a va 2 s .c om*/ ZipEntry entry = new ZipEntry(filename); entry.setSize((long) buf.length); crc.reset(); crc.update(buf); entry.setCrc(crc.getValue()); s.putNextEntry(entry); s.write(buf, 0, buf.length); s.finish(); s.close(); }
From source file:Main.java
public void doZip(String filename, String zipfilename) throws Exception { byte[] buf = new byte[1024]; FileInputStream fis = new FileInputStream(filename); fis.read(buf, 0, buf.length); CRC32 crc = new CRC32(); ZipOutputStream s = new ZipOutputStream((OutputStream) new FileOutputStream(zipfilename)); s.setLevel(6);//from w w w . j av a 2 s . co m ZipEntry entry = new ZipEntry(filename); entry.setSize((long) buf.length); entry.setMethod(ZipEntry.DEFLATED); crc.reset(); crc.update(buf); entry.setCrc(crc.getValue()); s.putNextEntry(entry); s.write(buf, 0, buf.length); s.finish(); s.close(); }
From source file:Main.java
public void doZip(String filename, String zipfilename) throws Exception { byte[] buf = new byte[1024]; FileInputStream fis = new FileInputStream(filename); fis.read(buf, 0, buf.length); CRC32 crc = new CRC32(); ZipOutputStream s = new ZipOutputStream((OutputStream) new FileOutputStream(zipfilename)); s.setLevel(6);// w w w . j a v a 2 s.c o m ZipEntry entry = new ZipEntry(filename); entry.setSize((long) buf.length); entry.setTime(new Date().getTime()); crc.reset(); crc.update(buf); entry.setCrc(crc.getValue()); s.putNextEntry(entry); s.write(buf, 0, buf.length); s.finish(); s.close(); }
From source file:Main.java
@SuppressWarnings("resource") public static String post(String targetUrl, Map<String, String> params, String file, byte[] data) { Logd(TAG, "Starting post..."); String html = ""; Boolean cont = true;//from w w w . j a va 2 s . c o m URL url = null; try { url = new URL(targetUrl); } catch (MalformedURLException e) { Log.e(TAG, "Invalid url: " + targetUrl); cont = false; throw new IllegalArgumentException("Invalid url: " + targetUrl); } if (cont) { if (!targetUrl.startsWith("https") || gVALID_SSL.equals("true")) { HostnameVerifier hostnameVerifier = org.apache.http.conn.ssl.SSLSocketFactory.STRICT_HOSTNAME_VERIFIER; HttpsURLConnection.setDefaultHostnameVerifier(hostnameVerifier); } else { // Create a trust manager that does not validate certificate chains TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() { @Override public java.security.cert.X509Certificate[] getAcceptedIssuers() { return null; } @Override public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException { // TODO Auto-generated method stub } @Override public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException { // TODO Auto-generated method stub } } }; // Install the all-trusting trust manager SSLContext sc; try { sc = SSLContext.getInstance("SSL"); sc.init(null, trustAllCerts, new java.security.SecureRandom()); HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory()); // Create all-trusting host name verifier HostnameVerifier allHostsValid = new HostnameVerifier() { @Override public boolean verify(String hostname, SSLSession session) { return true; } }; // Install the all-trusting host verifier HttpsURLConnection.setDefaultHostnameVerifier(allHostsValid); } catch (NoSuchAlgorithmException e) { Logd(TAG, "Error: " + e.getLocalizedMessage()); } catch (KeyManagementException e) { Logd(TAG, "Error: " + e.getLocalizedMessage()); } } Logd(TAG, "Filename: " + file); Logd(TAG, "URL: " + targetUrl); HttpURLConnection connection = null; DataOutputStream outputStream = null; String pathToOurFile = file; String lineEnd = "\r\n"; String twoHyphens = "--"; String boundary = "*****"; int bytesRead, bytesAvailable, bufferSize; byte[] buffer; int maxBufferSize = 1 * 1024; try { connection = (HttpURLConnection) url.openConnection(); // Allow Inputs & Outputs connection.setDoInput(true); connection.setDoOutput(true); connection.setUseCaches(false); //Don't use chunked post requests (nginx doesn't support requests without a Content-Length header) //connection.setChunkedStreamingMode(1024); // Enable POST method connection.setRequestMethod("POST"); setBasicAuthentication(connection, url); connection.setRequestProperty("Connection", "Keep-Alive"); connection.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary); outputStream = new DataOutputStream(connection.getOutputStream()); //outputStream.writeBytes(twoHyphens + boundary + lineEnd); Iterator<Entry<String, String>> iterator = params.entrySet().iterator(); while (iterator.hasNext()) { Entry<String, String> param = iterator.next(); outputStream.writeBytes(twoHyphens + boundary + lineEnd); outputStream.writeBytes("Content-Disposition: form-data;" + "name=\"" + param.getKey() + "\"" + lineEnd + lineEnd); outputStream.write(param.getValue().getBytes("UTF-8")); outputStream.writeBytes(lineEnd); } String connstr = null; if (!file.equals("")) { FileInputStream fileInputStream = new FileInputStream(new File(pathToOurFile)); outputStream.writeBytes(twoHyphens + boundary + lineEnd); connstr = "Content-Disposition: form-data; name=\"upfile\";filename=\"" + pathToOurFile + "\"" + lineEnd; outputStream.writeBytes(connstr); outputStream.writeBytes(lineEnd); bytesAvailable = fileInputStream.available(); bufferSize = Math.min(bytesAvailable, maxBufferSize); buffer = new byte[bufferSize]; // Read file bytesRead = fileInputStream.read(buffer, 0, bufferSize); Logd(TAG, "File length: " + bytesAvailable); try { while (bytesRead > 0) { try { outputStream.write(buffer, 0, bufferSize); } catch (OutOfMemoryError e) { e.printStackTrace(); html = "Error: outofmemoryerror"; return html; } bytesAvailable = fileInputStream.available(); bufferSize = Math.min(bytesAvailable, maxBufferSize); bytesRead = fileInputStream.read(buffer, 0, bufferSize); } } catch (Exception e) { Logd(TAG, "Error: " + e.getLocalizedMessage()); html = "Error: Unknown error"; return html; } outputStream.writeBytes(lineEnd); fileInputStream.close(); } else if (data != null) { outputStream.writeBytes(twoHyphens + boundary + lineEnd); connstr = "Content-Disposition: form-data; name=\"upfile\";filename=\"tmp\"" + lineEnd; outputStream.writeBytes(connstr); outputStream.writeBytes(lineEnd); bytesAvailable = data.length; Logd(TAG, "File length: " + bytesAvailable); try { outputStream.write(data, 0, data.length); } catch (OutOfMemoryError e) { e.printStackTrace(); html = "Error: outofmemoryerror"; return html; } catch (Exception e) { Logd(TAG, "Error: " + e.getLocalizedMessage()); html = "Error: Unknown error"; return html; } outputStream.writeBytes(lineEnd); } outputStream.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd); // Responses from the server (code and message) int serverResponseCode = connection.getResponseCode(); String serverResponseMessage = connection.getResponseMessage(); Logd(TAG, "Server Response Code " + serverResponseCode); Logd(TAG, "Server Response Message: " + serverResponseMessage); if (serverResponseCode == 200) { InputStreamReader in = new InputStreamReader(connection.getInputStream()); BufferedReader br = new BufferedReader(in); String decodedString; while ((decodedString = br.readLine()) != null) { html += decodedString; } in.close(); } outputStream.flush(); outputStream.close(); outputStream = null; } catch (Exception ex) { // Exception handling html = "Error: Unknown error"; Logd(TAG, "Send file Exception: " + ex.getMessage()); } } if (html.startsWith("success:")) Logd(TAG, "Server returned: success:HIDDEN"); else Logd(TAG, "Server returned: " + html); return html; }
From source file:kilim.test.TaskTestClassLoader.java
private byte[] getBytes(File f) throws IOException { int size = (int) f.length(); byte[] bytes = new byte[size]; int remaining = size; int i = 0;/* ww w . j a v a 2 s . c o m*/ FileInputStream fis = new FileInputStream(f); while (remaining > 0) { int n = fis.read(bytes, i, remaining); if (n == -1) break; remaining -= n; i += n; } return bytes; }
From source file:com.cisco.ca.cstg.pdi.utils.Util.java
/** * This method is used to download files from specified path * @param response// ww w.j a v a 2 s. c o m * @param archiveFile */ public static void downloadArchiveFile(HttpServletResponse response, File archiveFile) { if (archiveFile.isFile()) { response.reset(); response.setContentType("application/zip"); response.setHeader("Content-Disposition", "attachment;filename=\"" + archiveFile.getName() + "\""); FileInputStream is = null; ServletOutputStream op = null; try { op = response.getOutputStream(); double dLength = archiveFile.length(); int iLength = 0; int num_read = 0; if (dLength >= Integer.MIN_VALUE && dLength <= Integer.MAX_VALUE) { iLength = (int) dLength; } byte[] arBytes = new byte[iLength]; is = new FileInputStream(archiveFile); while (num_read < iLength) { int count = is.read(arBytes, num_read, iLength - num_read); if (count < 0) { throw new IOException("end of stream reached"); } num_read += count; } op.write(arBytes); op.flush(); } catch (IOException e) { LOGGER.error(e.getMessage(), e); } finally { if (null != is) { try { is.close(); } catch (IOException e) { LOGGER.error(e.getMessage(), e); } } if (null != op) { try { op.close(); } catch (IOException e) { LOGGER.error(e.getMessage(), e); } } } } }
From source file:Main.java
void createJarArchive(File archiveFile, File[] tobeJared) throws Exception { byte buffer[] = new byte[BUFFER_SIZE]; FileOutputStream stream = new FileOutputStream(archiveFile); JarOutputStream out = new JarOutputStream(stream, new Manifest()); for (int i = 0; i < tobeJared.length; i++) { if (tobeJared[i] == null || !tobeJared[i].exists() || tobeJared[i].isDirectory()) continue; // Just in case... JarEntry jarAdd = new JarEntry(tobeJared[i].getName()); jarAdd.setTime(tobeJared[i].lastModified()); out.putNextEntry(jarAdd);/*from w w w . j ava2 s . c o m*/ FileInputStream in = new FileInputStream(tobeJared[i]); while (true) { int nRead = in.read(buffer, 0, buffer.length); if (nRead <= 0) break; out.write(buffer, 0, nRead); } in.close(); } out.close(); stream.close(); }
From source file:csic.ceab.movelab.beepath.Util.java
public static String readJSON(File file) { int bytesRead, bytesAvailable, bufferSize; byte[] buffer; int maxBufferSize = 64 * 1024; // old value 1024*1024 FileInputStream fileInputStream = null; String result = ""; try {/* w w w .j a v a 2s . c o m*/ fileInputStream = new FileInputStream(file); 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); while (bytesRead > 0) { bytesAvailable = fileInputStream.available(); bufferSize = Math.min(bytesAvailable, maxBufferSize); bytesRead = fileInputStream.read(buffer, 0, bufferSize); } result = new String(buffer, "UTF-8"); } catch (FileNotFoundException e) { } catch (IOException e) { } finally { if (fileInputStream != null) { try { fileInputStream.close(); } catch (IOException e) { } } } return result; }
From source file:org.iti.agrimarket.service.ImageController.java
/** * Image getter service//from w w w . j ava2s . c o m * * @param name image file's name * @param response to control its type * @return image */ @RequestMapping(value = Constants.IMAGE_PRE_URL + Constants.TYPE_NAME_URL, method = RequestMethod.GET) @ResponseBody public byte[] getImage(@PathVariable(Constants.TYPE_PARAM) String type, @PathVariable(Constants.NAME_PARAM) String name, HttpServletResponse response) { response.setContentType(CONTENT_IMAGES); File file; byte arr[] = {}; try { file = new File(Constants.IMAGE_PATH + type + "/" + name); if (file.isFile()) { logger.trace(FILE_EXISTS); } else { logger.trace(FILE_NOT_EXIST); response.setContentType(CONTENT_HTML); response.setStatus(Constants.PARAM_ERROR); return null; } arr = new byte[(int) file.length()]; FileInputStream fis = new FileInputStream(file); fis.read(arr, 0, arr.length); } catch (Exception e) { logger.error(e.getMessage()); } return arr; }
From source file:org.iti.agrimarket.service.ImageController.java
/** * Image getter service/* w w w . j a va 2 s. c o m*/ * * @param name image file's name * @param response to control its type * @return image */ @RequestMapping(value = Constants.SOUND_PRE_URL + Constants.TYPE_NAME_URL, method = RequestMethod.GET) @ResponseBody public byte[] getSound(@PathVariable(Constants.TYPE_PARAM) String type, @PathVariable(Constants.NAME_PARAM) String name, HttpServletResponse response) { response.setContentType(CONTENT_FILE); File file; byte arr[] = {}; try { file = new File(Constants.SOUND_PATH + type + "/" + name); if (file.isFile()) { logger.trace(FILE_EXISTS); } else { logger.trace(FILE_NOT_EXIST + file.getAbsolutePath()); response.setContentType(CONTENT_HTML); response.setStatus(Constants.PARAM_ERROR); return null; } arr = new byte[(int) file.length()]; FileInputStream fis = new FileInputStream(file); fis.read(arr, 0, arr.length); } catch (Exception e) { logger.error(e.getMessage()); } return arr; }