diff options
Diffstat (limited to 'src/eu/siacs/conversations/utils/zlib/ZLibOutputStream.java')
-rw-r--r-- | src/eu/siacs/conversations/utils/zlib/ZLibOutputStream.java | 135 |
1 files changed, 73 insertions, 62 deletions
diff --git a/src/eu/siacs/conversations/utils/zlib/ZLibOutputStream.java b/src/eu/siacs/conversations/utils/zlib/ZLibOutputStream.java index cc64a5e6..8b3f5e68 100644 --- a/src/eu/siacs/conversations/utils/zlib/ZLibOutputStream.java +++ b/src/eu/siacs/conversations/utils/zlib/ZLibOutputStream.java @@ -9,76 +9,87 @@ import java.util.zip.Deflater; import java.util.zip.DeflaterOutputStream; /** - * <p>Android 2.2 includes Java7 FLUSH_SYNC option, which will be used by this + * <p> + * Android 2.2 includes Java7 FLUSH_SYNC option, which will be used by this * Implementation, preferable via reflection. The @hide was remove in API level - * 19. This class might thus go away in the future.</p> - * <p>Please use {@link ZLibOutputStream#SUPPORTED} to check for flush - * compatibility.</p> + * 19. This class might thus go away in the future. + * </p> + * <p> + * Please use {@link ZLibOutputStream#SUPPORTED} to check for flush + * compatibility. + * </p> */ public class ZLibOutputStream extends DeflaterOutputStream { - /** - * The reflection based flush method. - */ + /** + * The reflection based flush method. + */ - private final static Method method; - /** - * SUPPORTED is true if a flush compatible method exists. - */ - public final static boolean SUPPORTED; + private final static Method method; + /** + * SUPPORTED is true if a flush compatible method exists. + */ + public final static boolean SUPPORTED; - /** - * Static block to initialize {@link #SUPPORTED} and {@link #method}. - */ - static { - Method m = null; - try { - m = Deflater.class.getMethod("deflate", byte[].class, int.class, int.class, int.class); - } catch (SecurityException e) { - } catch (NoSuchMethodException e) { - } - method = m; - SUPPORTED = (method != null); - } + /** + * Static block to initialize {@link #SUPPORTED} and {@link #method}. + */ + static { + Method m = null; + try { + m = Deflater.class.getMethod("deflate", byte[].class, int.class, + int.class, int.class); + } catch (SecurityException e) { + } catch (NoSuchMethodException e) { + } + method = m; + SUPPORTED = (method != null); + } - /** - * Create a new ZLib compatible output stream wrapping the given low level - * stream. ZLib compatiblity means we will send a zlib header. - * @param os OutputStream The underlying stream. - * @throws IOException In case of a lowlevel transfer problem. - * @throws NoSuchAlgorithmException In case of a {@link Deflater} error. - */ - public ZLibOutputStream(OutputStream os) throws IOException, - NoSuchAlgorithmException { - super(os, new Deflater(Deflater.BEST_COMPRESSION)); - } + /** + * Create a new ZLib compatible output stream wrapping the given low level + * stream. ZLib compatiblity means we will send a zlib header. + * + * @param os + * OutputStream The underlying stream. + * @throws IOException + * In case of a lowlevel transfer problem. + * @throws NoSuchAlgorithmException + * In case of a {@link Deflater} error. + */ + public ZLibOutputStream(OutputStream os) throws IOException, + NoSuchAlgorithmException { + super(os, new Deflater(Deflater.BEST_COMPRESSION)); + } - /** - * Flush the given stream, preferring Java7 FLUSH_SYNC if available. - * @throws IOException In case of a lowlevel exception. - */ - @Override - public void flush() throws IOException { - if (!SUPPORTED) { - super.flush(); - return; - } - try { - int count = 0; - do { - count = (Integer) method.invoke(def, buf, 0, buf.length, 3); - if (count > 0) { - out.write(buf, 0, count); + /** + * Flush the given stream, preferring Java7 FLUSH_SYNC if available. + * + * @throws IOException + * In case of a lowlevel exception. + */ + @Override + public void flush() throws IOException { + if (!SUPPORTED) { + super.flush(); + return; + } + try { + int count = 0; + do { + count = (Integer) method.invoke(def, buf, 0, buf.length, 3); + if (count > 0) { + out.write(buf, 0, count); + } + } while (count > 0); + } catch (IllegalArgumentException e) { + throw new IOException("Can't flush"); + } catch (IllegalAccessException e) { + throw new IOException("Can't flush"); + } catch (InvocationTargetException e) { + throw new IOException("Can't flush"); } - } while (count > 0); - } catch (IllegalArgumentException e) { - throw new IOException("Can't flush"); - } catch (IllegalAccessException e) { - throw new IOException("Can't flush"); - } catch (InvocationTargetException e) { - throw new IOException("Can't flush"); - } - super.flush(); - } + super.flush(); + } } |