List of usage examples for java.io BufferedInputStream read
public synchronized int read() throws IOException
read method of InputStream. From source file:com.bristle.javalib.io.FileUtil.java
/************************************************************************** * Copy the binary contents of the specified InputStream to the specified * OutputStream, up to the specified number of bytes, returning the count * of bytes written./*from w w w.j ava2s .c o m*/ *@param streamIn InputStream to read from *@param streamOut OutputStream to write to *@param lngMaxBytes Max number of bytes to copy, or lngNO_MAX_BYTES * for unlimited *@return Count of bytes written *@throws TooManyBytesException * When streamIn contains more than intMaxBytes, * resulting in a partially copied binary stream. *@throws IOException When an I/O error occurs reading or writing a * stream. **************************************************************************/ public static long copyBinaryStreamToStream(InputStream streamIn, OutputStream streamOut, long lngMaxBytes) throws TooManyBytesException, IOException { // Buffer the input and output for efficiency, to avoid lots of // small I/O operations. // Note: Don't call the read() and write() methods that could do it // all in a single byte-array because we don't want to consume // that caller-specified amount of memory. Better to do it // one byte at a time, but with buffering for efficiency. BufferedInputStream buffIn = new BufferedInputStream(streamIn); BufferedOutputStream buffOut = new BufferedOutputStream(streamOut); long lngBytesWritten = 0; for (int intByte = buffIn.read(); intByte > -1; intByte = buffIn.read()) { if (lngMaxBytes != lngNO_MAX_BYTES && lngBytesWritten >= lngMaxBytes) { buffOut.flush(); throw new TooManyBytesException("The input stream contains more than " + lngMaxBytes + " bytes. Only " + lngBytesWritten + " bytes were written to the " + "output stream", lngBytesWritten); } buffOut.write(intByte); lngBytesWritten++; } buffOut.flush(); return lngBytesWritten; }
From source file:com.example.heya.couchdb.ConnectionHandler.java
/** * Get a File object from an URL/*from www . j a va 2 s . co m*/ * * @param url * @param path * @return * @throws IOException * @throws ClientProtocolException * @throws SpikaException * @throws JSONException * @throws IllegalStateException * @throws SpikaForbiddenException */ public static void getFile(String url, File file, String userId, String token) throws ClientProtocolException, IOException, SpikaException, IllegalStateException, JSONException, SpikaForbiddenException { File mFile = file; //URL mUrl = new URL(url); // you can write here any link InputStream is = httpGetRequest(url, userId); BufferedInputStream bis = new BufferedInputStream(is); ByteArrayBuffer baf = new ByteArrayBuffer(20000); int current = 0; while ((current = bis.read()) != -1) { baf.append((byte) current); } /* Convert the Bytes read to a String. */ FileOutputStream fos = new FileOutputStream(mFile); fos.write(baf.toByteArray()); fos.flush(); fos.close(); is.close(); }
From source file:com.seajas.search.contender.scripting.XmlHtmlReader.java
private static String getXMLGuessEncoding(final BufferedInputStream is) throws IOException { String encoding = null;//w w w . jav a2 s .c om int[] bytes = new int[4]; is.mark(4); bytes[0] = is.read(); bytes[1] = is.read(); bytes[2] = is.read(); bytes[3] = is.read(); is.reset(); if (bytes[0] == 0x00 && bytes[1] == 0x3C && bytes[2] == 0x00 && bytes[3] == 0x3F) { encoding = UTF_16BE; } else if (bytes[0] == 0x3C && bytes[1] == 0x00 && bytes[2] == 0x3F && bytes[3] == 0x00) { encoding = UTF_16LE; } else if (bytes[0] == 0x3C && bytes[1] == 0x3F && bytes[2] == 0x78 && bytes[3] == 0x6D) { encoding = UTF_8; } return encoding; }
From source file:gate.util.Files.java
/** Get a resource from the GATE ClassLoader as a byte array. *///from ww w.j a v a 2s . com public static byte[] getResourceAsByteArray(String resourceName) throws IOException, IndexOutOfBoundsException, ArrayStoreException { InputStream resourceInputStream = getResourceAsStream(resourceName); BufferedInputStream resourceStream = new BufferedInputStream(resourceInputStream); byte b; final int bufSize = 1024; byte[] buf = new byte[bufSize]; int i = 0; // get the whole resource into buf (expanding the array as needed) while ((b = (byte) resourceStream.read()) != -1) { if (i == buf.length) { byte[] newBuf = new byte[buf.length * 2]; System.arraycopy(buf, 0, newBuf, 0, i); buf = newBuf; } buf[i++] = b; } // close the resource stream resourceStream.close(); // copy the contents of buf to an array of the correct size byte[] bytes = new byte[i]; // copy from buf to bytes System.arraycopy(buf, 0, bytes, 0, i); return bytes; }
From source file:gate.util.Files.java
/** Get a resource from the GATE resources directory as a byte array. * The resource name should be relative to <code>resourcePath</code> which * is equal with <TT>gate/resources</TT>; e.g. * for a resource stored as <TT>gate/resources/jape/Test11.jape</TT>, * this method should be passed the name <TT>jape/Test11.jape</TT>. *//*from ww w . j a va2 s. c o m*/ public static byte[] getGateResourceAsByteArray(String resourceName) throws IOException, IndexOutOfBoundsException, ArrayStoreException { InputStream resourceInputStream = getGateResourceAsStream(resourceName); BufferedInputStream resourceStream = new BufferedInputStream(resourceInputStream); byte b; final int bufSize = 1024; byte[] buf = new byte[bufSize]; int i = 0; // get the whole resource into buf (expanding the array as needed) while ((b = (byte) resourceStream.read()) != -1) { if (i == buf.length) { byte[] newBuf = new byte[buf.length * 2]; System.arraycopy(buf, 0, newBuf, 0, i); buf = newBuf; } buf[i++] = b; } // close the resource stream resourceStream.close(); // copy the contents of buf to an array of the correct size byte[] bytes = new byte[i]; // copy from buf to bytes System.arraycopy(buf, 0, bytes, 0, i); return bytes; }
From source file:com.seajas.search.contender.scripting.XmlHtmlReader.java
private static String getBOMEncoding(final BufferedInputStream is) throws IOException { String encoding = null;/* ww w .j a v a2 s . c o m*/ int[] bytes = new int[3]; is.mark(3); bytes[0] = is.read(); bytes[1] = is.read(); bytes[2] = is.read(); if (bytes[0] == 0xFE && bytes[1] == 0xFF) { encoding = UTF_16BE; is.reset(); is.read(); is.read(); } else if (bytes[0] == 0xFF && bytes[1] == 0xFE) { encoding = UTF_16LE; is.reset(); is.read(); is.read(); } else if (bytes[0] == 0xEF && bytes[1] == 0xBB && bytes[2] == 0xBF) { encoding = UTF_8; } else { is.reset(); } return encoding; }
From source file:com.zimbra.cs.service.FeedManager.java
private static int getLeadingChar(BufferedInputStream is, StringBuilder charset) throws IOException { is.mark(128);/* w w w .j a va 2 s .co m*/ // check for any BOMs that would override the specified charset int ch = is.read(); switch (ch) { case 0xEF: if (is.read() == 0xBB && is.read() == 0xBF) { is.mark(128); ch = is.read(); charset.setLength(0); charset.append("utf-8"); } break; case 0xFE: if (is.read() == 0xFF && is.read() == 0x00) { ch = is.read(); charset.setLength(0); charset.append("utf-16"); } break; case 0xFF: if (is.read() == 0xFE) { ch = is.read(); charset.setLength(0); charset.append("utf-16"); } break; } // skip up to 120 bytes of leading whitespace for (int index = 0; index < 120 && (ch == '\0' || Character.isWhitespace(ch)); index++) ch = is.read(); // reset to the original state and return the first non-whtespace character is.reset(); return ch; }
From source file:com.sim2dial.dialer.ChatFragment.java
public static Bitmap downloadImage(String stringUrl) { URL url;/*from ww w .j a va 2s. c o m*/ Bitmap bm = null; try { url = new URL(stringUrl); URLConnection ucon = url.openConnection(); InputStream is = ucon.getInputStream(); BufferedInputStream bis = new BufferedInputStream(is); ByteArrayBuffer baf = new ByteArrayBuffer(50); int current = 0; while ((current = bis.read()) != -1) { baf.append((byte) current); } byte[] rawImage = baf.toByteArray(); bm = BitmapFactory.decodeByteArray(rawImage, 0, rawImage.length); bis.close(); } catch (Exception e) { e.printStackTrace(); } return bm; }
From source file:de.betterform.xml.xforms.XFormsProcessorImpl.java
/** * Returns betterForm version string./* w ww .j av a 2 s . com*/ * * @return betterForm version string. */ public static String getAppInfo() { synchronized (XFormsProcessorImpl.class) { if (APP_INFO == null) { try { BufferedInputStream stream = new BufferedInputStream( XFormsProcessorImpl.class.getResourceAsStream("/META-INF/version.info")); StringBuffer buffer = new StringBuffer(); int c; while ((c = stream.read()) > -1) { if (c != 10 && c != 13) { buffer.append((char) c); } } stream.close(); APP_INFO = buffer.toString(); } catch (IOException e) { APP_INFO = "betterFORM"; } } return APP_INFO; } }
From source file:fr.cnes.sitools.metacatalogue.resources.proxyservices.SecureOutputRepresentation.java
@Override public void write(OutputStream os) throws IOException { Writer out = new OutputStreamWriter(os); InputStream is = response.getEntity().getContent(); BufferedInputStream buff = new BufferedInputStream(is); int i;/* ww w . j a va2 s .c o m*/ do { i = buff.read(); out.write((char) i); } while (i != -1); }