// end encodeObject
/// <summary>
/// Serializes an object and returns the Base64-encoded
/// version of that serialized object.
/// </summary>
/// <remarks>
/// Serializes an object and returns the Base64-encoded
/// version of that serialized object.
/// <p>As of v 2.3, if the object
/// cannot be serialized or there is another error,
/// the method will throw an java.io.IOException. <b>This is new to v2.3!</b>
/// In earlier versions, it just returned a null value, but
/// in retrospect that's a pretty poor way to handle it.</p>
/// The object is not GZip-compressed before being encoded.
/// <p>
/// Example options:<pre>
/// GZIP: gzip-compresses object before encoding it.
/// DO_BREAK_LINES: break lines at 76 characters
/// </pre>
/// <p>
/// Example: <code>encodeObject( myObj, Base64.GZIP )</code> or
/// <p>
/// Example: <code>encodeObject( myObj, Base64.GZIP | Base64.DO_BREAK_LINES )</code>
/// </remarks>
/// <param name="serializableObject">The object to encode</param>
/// <param name="options">Specified options</param>
/// <returns>The Base64-encoded object</returns>
/// <seealso cref="Gzip">Gzip</seealso>
/// <seealso cref="DoBreakLines">DoBreakLines</seealso>
/// <exception cref="System.IO.IOException">if there is an error</exception>
/// <since>2.0</since>
public static string EncodeObject(Serializable serializableObject, int options)
{
if (serializableObject == null)
{
throw new ArgumentNullException("Cannot serialize a null object.");
}
// end if: null
// Streams
ByteArrayOutputStream baos = null;
OutputStream b64os = null;
GZIPOutputStream gzos = null;
ObjectOutputStream oos = null;
try
{
// ObjectOutputStream -> (GZIP) -> Base64 -> ByteArrayOutputStream
baos = new ByteArrayOutputStream();
b64os = new Base64.OutputStream(baos, Encode | options);
if ((options & Gzip) != 0)
{
// Gzip
gzos = new GZIPOutputStream(b64os);
oos = new ObjectOutputStream(gzos);
}
else
{
// Not gzipped
oos = new ObjectOutputStream(b64os);
}
oos.WriteObject(serializableObject);
}
catch (IOException e)
{
// end try
// Catch it and then throw it immediately so that
// the finally{} block is called for cleanup.
throw;
}
finally
{
// end catch
try
{
oos.Close();
}
catch (Exception)
{
}
try
{
gzos.Close();
}
catch (Exception)
{
}
try
{
b64os.Close();
}
catch (Exception)
{
}
try
{
baos.Close();
}
catch (Exception)
{
}
}
// end finally
// Return value according to relevant encoding.
try
{
return Sharpen.Runtime.GetStringForBytes(baos.ToByteArray(), PreferredEncoding);
}
catch (UnsupportedEncodingException)
{
// end try
// Fall back to some Java default
return Sharpen.Runtime.GetStringForBytes(baos.ToByteArray());
}
}
/// <summary>
/// Similar to
/// <see cref="EncodeBytes(byte[], int, int, int)">EncodeBytes(byte[], int, int, int)
/// </see>
/// but returns
/// a byte array instead of instantiating a String. This is more efficient
/// if you're working with I/O streams and have large data sets to encode.
/// </summary>
/// <param name="source">The data to convert</param>
/// <param name="off">Offset in array where conversion should begin</param>
/// <param name="len">Length of data to convert</param>
/// <param name="options">Specified options</param>
/// <returns>The Base64-encoded data as a String</returns>
/// <seealso cref="Gzip">Gzip</seealso>
/// <seealso cref="DoBreakLines">DoBreakLines</seealso>
/// <exception cref="System.IO.IOException">if there is an error</exception>
/// <exception cref="System.ArgumentNullException">if source array is null</exception>
/// <exception cref="System.ArgumentException">if source array, offset, or length are invalid
/// </exception>
/// <since>2.3.1</since>
public static byte[] EncodeBytesToBytes(byte[] source, int off, int len, int options
)
{
if (source == null)
{
throw new ArgumentNullException("Cannot serialize a null array.");
}
// end if: null
if (off < 0)
{
throw new ArgumentException("Cannot have negative offset: " + off);
}
// end if: off < 0
if (len < 0)
{
throw new ArgumentException("Cannot have length offset: " + len);
}
// end if: len < 0
if (off + len > source.Length)
{
throw new ArgumentException(string.Format("Cannot have offset of %d and length of %d with array of length %d"
, off, len, source.Length));
}
// end if: off < 0
// Compress?
if ((options & Gzip) != 0)
{
ByteArrayOutputStream baos = null;
GZIPOutputStream gzos = null;
Base64.OutputStream b64os = null;
try
{
// GZip -> Base64 -> ByteArray
baos = new ByteArrayOutputStream();
b64os = new Base64.OutputStream(baos, Encode | options);
gzos = new GZIPOutputStream(b64os);
gzos.Write(source, off, len);
gzos.Close();
}
catch (IOException e)
{
// end try
// Catch it and then throw it immediately so that
// the finally{} block is called for cleanup.
throw;
}
finally
{
// end catch
try
{
gzos.Close();
}
catch (Exception)
{
}
try
{
b64os.Close();
}
catch (Exception)
{
}
try
{
baos.Close();
}
catch (Exception)
{
}
}
// end finally
return baos.ToByteArray();
}
else
{
// end if: compress
// Else, don't compress. Better not to use streams at all then.
bool breakLines = (options & DoBreakLines) != 0;
//int len43 = len * 4 / 3;
//byte[] outBuff = new byte[ ( len43 ) // Main 4:3
// + ( (len % 3) > 0 ? 4 : 0 ) // Account for padding
// + (breakLines ? ( len43 / MAX_LINE_LENGTH ) : 0) ]; // New lines
// Try to determine more precisely how big the array needs to be.
// If we get it right, we don't have to do an array copy, and
// we save a bunch of memory.
int encLen = (len / 3) * 4 + (len % 3 > 0 ? 4 : 0);
// Bytes needed for actual encoding
if (breakLines)
{
encLen += encLen / MaxLineLength;
}
// Plus extra newline characters
byte[] outBuff = new byte[encLen];
int d = 0;
int e = 0;
int len2 = len - 2;
int lineLength = 0;
for (; d < len2; d += 3, e += 4)
{
Encode3to4(source, d + off, 3, outBuff, e, options);
lineLength += 4;
if (breakLines && lineLength >= MaxLineLength)
{
outBuff[e + 4] = NewLine;
e++;
lineLength = 0;
}
}
// end if: end of line
// en dfor: each piece of array
if (d < len)
{
Encode3to4(source, d + off, len - d, outBuff, e, options);
e += 4;
}
// end if: some padding needed
// Only resize array if we didn't guess it right.
if (e <= outBuff.Length - 1)
{
// If breaking lines and the last byte falls right at
// the line length (76 bytes per line), there will be
// one extra byte, and the array will need to be resized.
// Not too bad of an estimate on array size, I'd say.
byte[] finalOut = new byte[e];
System.Array.Copy(outBuff, 0, finalOut, 0, e);
//System.err.println("Having to resize array from " + outBuff.length + " to " + e );
return finalOut;
}
else
{
//System.err.println("No need to resize array.");
return outBuff;
}
}
}
/// <summary>
/// Decodes data from Base64 notation, automatically
/// detecting gzip-compressed data and decompressing it.
/// </summary>
/// <remarks>
/// Decodes data from Base64 notation, automatically
/// detecting gzip-compressed data and decompressing it.
/// </remarks>
/// <param name="s">the string to decode</param>
/// <param name="options">encode options such as URL_SAFE</param>
/// <returns>the decoded data</returns>
/// <exception cref="System.IO.IOException">if there is an error</exception>
/// <exception cref="System.ArgumentNullException">if <tt>s</tt> is null</exception>
/// <since>1.4</since>
public static byte[] Decode(string s, int options)
{
if (s == null)
{
throw new ArgumentNullException("Input string was null.");
}
// end if
byte[] bytes;
try
{
bytes = Sharpen.Runtime.GetBytesForString(s, PreferredEncoding);
}
catch (UnsupportedEncodingException)
{
// end try
bytes = Sharpen.Runtime.GetBytesForString(s);
}
// end catch
//</change>
// Decode
bytes = Decode(bytes, 0, bytes.Length, options);
// Check to see if it's gzip-compressed
// GZIP Magic Two-Byte Number: 0x8b1f (35615)
bool dontGunzip = (options & DontGunzip) != 0;
if ((bytes != null) && (bytes.Length >= 4) && (!dontGunzip))
{
int head = ((int)bytes[0] & unchecked((int)(0xff))) | ((bytes[1] << 8) & unchecked(
(int)(0xff00)));
if (GZIPInputStream.GzipMagic == head)
{
ByteArrayInputStream bais = null;
GZIPInputStream gzis = null;
ByteArrayOutputStream baos = null;
byte[] buffer = new byte[2048];
int length = 0;
try
{
baos = new ByteArrayOutputStream();
bais = new ByteArrayInputStream(bytes);
gzis = new GZIPInputStream(bais);
while ((length = gzis.Read(buffer)) >= 0)
{
baos.Write(buffer, 0, length);
}
// end while: reading input
// No error? Get new bytes.
bytes = baos.ToByteArray();
}
catch (IOException e)
{
// end try
Sharpen.Runtime.PrintStackTrace(e);
}
finally
{
// Just return originally-decoded bytes
// end catch
try
{
baos.Close();
}
catch (Exception)
{
}
try
{
gzis.Close();
}
catch (Exception)
{
}
try
{
bais.Close();
}
catch (Exception)
{
}
}
}
}
// end finally
// end if: gzipped
// end if: bytes.length >= 2
return bytes;
}
/// <exception cref="System.IO.IOException"></exception>
private void AssertNoCrLfHelper(string expect, string input)
{
byte[] inbytes = Sharpen.Runtime.GetBytesForString(input);
byte[] expectBytes = Sharpen.Runtime.GetBytesForString(expect);
for (int i = 0; i < 5; ++i)
{
byte[] buf = new byte[i];
ByteArrayInputStream bis = new ByteArrayInputStream(inbytes);
InputStream @in = new AutoCRLFInputStream(bis, true);
ByteArrayOutputStream @out = new ByteArrayOutputStream();
if (i > 0)
{
int n;
while ((n = @in.Read(buf)) >= 0)
{
@out.Write(buf, 0, n);
}
}
else
{
int c;
while ((c = @in.Read()) != -1)
{
@out.Write(c);
}
}
@out.Flush();
@in.Close();
@out.Close();
byte[] actualBytes = @out.ToByteArray();
NUnit.Framework.Assert.AreEqual(Encode(expectBytes), Encode(actualBytes), "bufsize="
+ i);
}
}
public override void Run()
{
HttpClient httpclient = new DefaultHttpClient();
HttpResponse response;
string responseString = null;
try
{
response = httpclient.Execute(new HttpGet(pathToDoc.ToExternalForm()));
StatusLine statusLine = response.GetStatusLine();
NUnit.Framework.Assert.IsTrue(statusLine.GetStatusCode() == HttpStatus.ScOk);
if (statusLine.GetStatusCode() == HttpStatus.ScOk)
{
ByteArrayOutputStream @out = new ByteArrayOutputStream();
response.GetEntity().WriteTo(@out);
@out.Close();
responseString = @out.ToString();
NUnit.Framework.Assert.IsTrue(responseString.Contains(doc1Id));
Log.D(ReplicationTest.Tag, "result: " + responseString);
}
else
{
response.GetEntity().GetContent().Close();
throw new IOException(statusLine.GetReasonPhrase());
}
}
catch (ClientProtocolException e)
{
NUnit.Framework.Assert.IsNull("Got ClientProtocolException: " + e.GetLocalizedMessage
(), e);
}
catch (IOException e)
{
NUnit.Framework.Assert.IsNull("Got IOException: " + e.GetLocalizedMessage(), e);
}
httpRequestDoneSignal.CountDown();
}
public virtual void TestRandomWrites()
{
TemporaryBuffer b = new TemporaryBuffer.LocalFile();
TestRng rng = new TestRng(Sharpen.Extensions.GetTestName());
int max = TemporaryBuffer.DEFAULT_IN_CORE_LIMIT * 2;
byte[] expect = new byte[max];
try
{
int written = 0;
bool onebyte = true;
while (written < max)
{
if (onebyte)
{
byte v = unchecked((byte)rng.NextInt());
b.Write(v);
expect[written++] = v;
}
else
{
int len = Math.Min(rng.NextInt() & 127, max - written);
byte[] tmp = rng.NextBytes(len);
b.Write(tmp, 0, len);
System.Array.Copy(tmp, 0, expect, written, len);
written += len;
}
onebyte = !onebyte;
}
NUnit.Framework.Assert.AreEqual(expect.Length, written);
b.Close();
NUnit.Framework.Assert.AreEqual(expect.Length, b.Length());
{
byte[] r = b.ToByteArray();
NUnit.Framework.Assert.IsNotNull(r);
NUnit.Framework.Assert.AreEqual(expect.Length, r.Length);
NUnit.Framework.Assert.IsTrue(Arrays.Equals(expect, r));
}
{
ByteArrayOutputStream o = new ByteArrayOutputStream();
b.WriteTo(o, null);
o.Close();
byte[] r = o.ToByteArray();
NUnit.Framework.Assert.AreEqual(expect.Length, r.Length);
NUnit.Framework.Assert.IsTrue(Arrays.Equals(expect, r));
}
}
finally
{
b.Destroy();
}
}
public virtual void TestOneByte()
{
TemporaryBuffer b = new TemporaryBuffer.LocalFile();
byte test = unchecked((byte)new TestRng(Sharpen.Extensions.GetTestName()).NextInt
());
try
{
b.Write(test);
b.Close();
NUnit.Framework.Assert.AreEqual(1, b.Length());
{
byte[] r = b.ToByteArray();
NUnit.Framework.Assert.IsNotNull(r);
NUnit.Framework.Assert.AreEqual(1, r.Length);
NUnit.Framework.Assert.AreEqual(test, r[0]);
}
{
ByteArrayOutputStream o = new ByteArrayOutputStream();
b.WriteTo(o, null);
o.Close();
byte[] r = o.ToByteArray();
NUnit.Framework.Assert.AreEqual(1, r.Length);
NUnit.Framework.Assert.AreEqual(test, r[0]);
}
}
finally
{
b.Destroy();
}
}
public virtual void TestInCoreLimit_SwitchOnCopy()
{
TemporaryBuffer b = new TemporaryBuffer.LocalFile();
byte[] test = new TestRng(Sharpen.Extensions.GetTestName()).NextBytes(TemporaryBuffer
.DEFAULT_IN_CORE_LIMIT * 2);
try
{
ByteArrayInputStream @in = new ByteArrayInputStream(test, TemporaryBuffer.DEFAULT_IN_CORE_LIMIT
, test.Length - TemporaryBuffer.DEFAULT_IN_CORE_LIMIT);
b.Write(test, 0, TemporaryBuffer.DEFAULT_IN_CORE_LIMIT);
b.Copy(@in);
b.Close();
NUnit.Framework.Assert.AreEqual(test.Length, b.Length());
{
byte[] r = b.ToByteArray();
NUnit.Framework.Assert.IsNotNull(r);
NUnit.Framework.Assert.AreEqual(test.Length, r.Length);
NUnit.Framework.Assert.IsTrue(Arrays.Equals(test, r));
}
{
ByteArrayOutputStream o = new ByteArrayOutputStream();
b.WriteTo(o, null);
o.Close();
byte[] r = o.ToByteArray();
NUnit.Framework.Assert.AreEqual(test.Length, r.Length);
NUnit.Framework.Assert.IsTrue(Arrays.Equals(test, r));
}
}
finally
{
b.Destroy();
}
}
public virtual void TestOneBlockAndHalf_Copy()
{
TemporaryBuffer b = new TemporaryBuffer.LocalFile();
byte[] test = new TestRng(Sharpen.Extensions.GetTestName()).NextBytes(TemporaryBuffer.Block
.SZ * 3 / 2);
try
{
ByteArrayInputStream @in = new ByteArrayInputStream(test);
b.Write(@in.Read());
b.Copy(@in);
b.Close();
NUnit.Framework.Assert.AreEqual(test.Length, b.Length());
{
byte[] r = b.ToByteArray();
NUnit.Framework.Assert.IsNotNull(r);
NUnit.Framework.Assert.AreEqual(test.Length, r.Length);
NUnit.Framework.Assert.IsTrue(Arrays.Equals(test, r));
}
{
ByteArrayOutputStream o = new ByteArrayOutputStream();
b.WriteTo(o, null);
o.Close();
byte[] r = o.ToByteArray();
NUnit.Framework.Assert.AreEqual(test.Length, r.Length);
NUnit.Framework.Assert.IsTrue(Arrays.Equals(test, r));
}
}
finally
{
b.Destroy();
}
}
public virtual void TestOneBlock_BulkWrite()
{
TemporaryBuffer b = new TemporaryBuffer.LocalFile();
byte[] test = new TestRng(Sharpen.Extensions.GetTestName()).NextBytes(TemporaryBuffer.Block
.SZ);
try
{
b.Write(test, 0, 2);
b.Write(test, 2, 4);
b.Write(test, 6, test.Length - 6 - 2);
b.Write(test, test.Length - 2, 2);
b.Close();
NUnit.Framework.Assert.AreEqual(test.Length, b.Length());
{
byte[] r = b.ToByteArray();
NUnit.Framework.Assert.IsNotNull(r);
NUnit.Framework.Assert.AreEqual(test.Length, r.Length);
NUnit.Framework.Assert.IsTrue(Arrays.Equals(test, r));
}
{
ByteArrayOutputStream o = new ByteArrayOutputStream();
b.WriteTo(o, null);
o.Close();
byte[] r = o.ToByteArray();
NUnit.Framework.Assert.AreEqual(test.Length, r.Length);
NUnit.Framework.Assert.IsTrue(Arrays.Equals(test, r));
}
}
finally
{
b.Destroy();
}
}
public virtual void TestInCoreLimit_SwitchBeforeAppendByte()
{
TemporaryBuffer b = new TemporaryBuffer.LocalFile();
byte[] test = new TestRng(Sharpen.Extensions.GetTestName()).NextBytes(TemporaryBuffer
.DEFAULT_IN_CORE_LIMIT * 3);
try
{
b.Write(test, 0, test.Length - 1);
b.Write(test[test.Length - 1]);
b.Close();
NUnit.Framework.Assert.AreEqual(test.Length, b.Length());
{
byte[] r = b.ToByteArray();
NUnit.Framework.Assert.IsNotNull(r);
NUnit.Framework.Assert.AreEqual(test.Length, r.Length);
for (int i = 0; i < test.Length; i ++)
Assert.AreEqual (test[i], r[i]);
}
{
ByteArrayOutputStream o = new ByteArrayOutputStream();
b.WriteTo(o, null);
o.Close();
byte[] r = o.ToByteArray();
NUnit.Framework.Assert.AreEqual(test.Length, r.Length);
for (int i = 0; i < test.Length; i ++)
Assert.AreEqual (test[i], r[i]);
}
}
finally
{
b.Destroy();
}
}
public virtual void TestOneBlockAndHalf_SingleWrite()
{
TemporaryBuffer b = new TemporaryBuffer.LocalFile();
byte[] test = new TestRng(Sharpen.Extensions.GetTestName()).NextBytes(TemporaryBuffer.Block
.SZ * 3 / 2);
try
{
for (int i = 0; i < test.Length; i++)
{
b.Write(test[i]);
}
b.Close();
NUnit.Framework.Assert.AreEqual(test.Length, b.Length());
{
byte[] r = b.ToByteArray();
NUnit.Framework.Assert.IsNotNull(r);
NUnit.Framework.Assert.AreEqual(test.Length, r.Length);
for (int i = 0; i < test.Length; i ++)
Assert.AreEqual (test[i], r[i]);
}
{
ByteArrayOutputStream o = new ByteArrayOutputStream();
b.WriteTo(o, null);
o.Close();
byte[] r = o.ToByteArray();
NUnit.Framework.Assert.AreEqual(test.Length, r.Length);
for (int i = 0; i < test.Length; i ++)
Assert.AreEqual (test[i], r[i]);
}
}
finally
{
b.Destroy();
}
}
