C# ByteArrayOutputStream.ToByteArray方法代碼示例

 /// <exception cref="Couchbase.Lite.CouchbaseLiteException"></exception>
 public static Couchbase.Lite.Document CreateTask(Database database, string title, 
     Bitmap image, string listId)
 {
     SimpleDateFormat dateFormatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'"
         );
     Calendar calendar = GregorianCalendar.GetInstance();
     string currentTimeString = dateFormatter.Format(calendar.GetTime());
     IDictionary<string, object> properties = new Dictionary<string, object>();
     properties.Put("type", DocType);
     properties.Put("title", title);
     properties.Put("checked", false);
     properties.Put("created_at", currentTimeString);
     properties.Put("list_id", listId);
     Couchbase.Lite.Document document = database.CreateDocument();
     UnsavedRevision revision = document.CreateRevision();
     revision.SetUserProperties(properties);
     if (image != null)
     {
         ByteArrayOutputStream @out = new ByteArrayOutputStream();
         image.Compress(Bitmap.CompressFormat.Jpeg, 50, @out);
         ByteArrayInputStream @in = new ByteArrayInputStream(@out.ToByteArray());
         revision.SetAttachment("image", "image/jpg", @in);
     }
     revision.Save();
     return document;
 }

		public virtual void TestWriteLine1()
		{
			RawText a = new RawText(Constants.EncodeASCII("foo-a\nfoo-b\n"));
			ByteArrayOutputStream o = new ByteArrayOutputStream();
			a.WriteLine(o, 0);
			byte[] r = o.ToByteArray();
			NUnit.Framework.Assert.AreEqual("foo-a", RawParseUtils.Decode(r));
		}

        /// <exception cref="System.IO.IOException"></exception>
        internal DirCacheEntry(byte[] sharedInfo, MutableInteger infoAt, InputStream @in, 
			MessageDigest md)
        {
            // private static final int P_CTIME_NSEC = 4;
            // private static final int P_MTIME_NSEC = 12;
            // private static final int P_DEV = 16;
            // private static final int P_INO = 20;
            // private static final int P_UID = 28;
            // private static final int P_GID = 32;
            info = sharedInfo;
            infoOffset = infoAt.value;
            IOUtil.ReadFully(@in, info, infoOffset, INFO_LEN);
            int len;
            if (IsExtended)
            {
                len = INFO_LEN_EXTENDED;
                IOUtil.ReadFully(@in, info, infoOffset + INFO_LEN, INFO_LEN_EXTENDED - INFO_LEN);
                if ((GetExtendedFlags() & ~EXTENDED_FLAGS) != 0)
                {
                    throw new IOException(MessageFormat.Format(JGitText.Get().DIRCUnrecognizedExtendedFlags
                        , GetExtendedFlags().ToString()));
                }
            }
            else
            {
                len = INFO_LEN;
            }
            infoAt.value += len;
            md.Update(info, infoOffset, len);
            int pathLen = NB.DecodeUInt16(info, infoOffset + P_FLAGS) & NAME_MASK;
            int skipped = 0;
            if (pathLen < NAME_MASK)
            {
                path = new byte[pathLen];
                IOUtil.ReadFully(@in, path, 0, pathLen);
                md.Update(path, 0, pathLen);
            }
            else
            {
                ByteArrayOutputStream tmp = new ByteArrayOutputStream();
                {
                    byte[] buf = new byte[NAME_MASK];
                    IOUtil.ReadFully(@in, buf, 0, NAME_MASK);
                    tmp.Write(buf);
                }
                for (; ; )
                {
                    int c = @in.Read();
                    if (c < 0)
                    {
                        throw new EOFException(JGitText.Get().shortReadOfBlock);
                    }
                    if (c == 0)
                    {
                        break;
                    }
                    tmp.Write(c);
                }
                path = tmp.ToByteArray();
                pathLen = path.Length;
                skipped = 1;
                // we already skipped 1 '\0' above to break the loop.
                md.Update(path, 0, pathLen);
                md.Update(unchecked((byte)0));
            }
            // Index records are padded out to the next 8 byte alignment
            // for historical reasons related to how C Git read the files.
            //
            int actLen = len + pathLen;
            int expLen = (actLen + 8) & ~7;
            int padLen = expLen - actLen - skipped;
            if (padLen > 0)
            {
                IOUtil.SkipFully(@in, padLen);
                md.Update(nullpad, 0, padLen);
            }
        }

 public virtual void TestWriteLine3()
 {
     RawText a = new RawText(Constants.EncodeASCII("a\n\nb\n"));
     ByteArrayOutputStream o = new ByteArrayOutputStream();
     a.WriteLine(o, 1);
     byte[] r = o.ToByteArray();
     NUnit.Framework.Assert.AreEqual(string.Empty, RawParseUtils.Decode(r));
 }

//.........這裏部分代碼省略.........
		/// 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());
			}
		}

		public virtual void TestParse_explicit_bad_encoded2()
		{
			ByteArrayOutputStream b = new ByteArrayOutputStream();
			b.Write(Sharpen.Runtime.GetBytesForString("object 9788669ad918b6fcce64af8882fc9a81cb6aba67\n"
				, "UTF-8"));
			b.Write(Sharpen.Runtime.GetBytesForString("type tree\n", "UTF-8"));
			b.Write(Sharpen.Runtime.GetBytesForString("tag v1.2.3.4.5\n", "UTF-8"));
			b.Write(Sharpen.Runtime.GetBytesForString("tagger F\u00f6r fattare <[email protected]> 1218123387 +0700\n"
				, "UTF-8"));
			b.Write(Sharpen.Runtime.GetBytesForString("encoding ISO-8859-1\n", "UTF-8"));
			b.Write(Sharpen.Runtime.GetBytesForString("\n", "UTF-8"));
			b.Write(Sharpen.Runtime.GetBytesForString("\u304d\u308c\u3044\n", "UTF-8"));
			b.Write(Sharpen.Runtime.GetBytesForString("\n", "UTF-8"));
			b.Write(Sharpen.Runtime.GetBytesForString("Hi\n", "UTF-8"));
			RevTag c;
			c = new RevTag(Id("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
			c.ParseCanonical(new RevWalk(db), b.ToByteArray());
			NUnit.Framework.Assert.AreEqual("F\u00f6r fattare", c.GetTaggerIdent().GetName());
			NUnit.Framework.Assert.AreEqual("\u304d\u308c\u3044", c.GetShortMessage());
			NUnit.Framework.Assert.AreEqual("\u304d\u308c\u3044\n\nHi\n", c.GetFullMessage());
		}

		/// <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;
//.........這裏部分代碼省略.........

		/// <exception cref="System.IO.IOException"></exception>
		private static byte[] ToByteArray(ObjectId id)
		{
			ByteArrayOutputStream buf = new ByteArrayOutputStream(Constants.OBJECT_ID_LENGTH);
			id.CopyRawTo(buf);
			return buf.ToByteArray();
		}

		/// <summary>Format this builder's state as an annotated tag object.</summary>
		/// <remarks>Format this builder's state as an annotated tag object.</remarks>
		/// <returns>
		/// this object in the canonical annotated tag format, suitable for
		/// storage in a repository.
		/// </returns>
		public virtual byte[] Build()
		{
			ByteArrayOutputStream os = new ByteArrayOutputStream();
			OutputStreamWriter w = new OutputStreamWriter(os, Constants.CHARSET);
			try
			{
				w.Write("object ");
				GetObjectId().CopyTo(w);
				w.Write('\n');
				w.Write("type ");
				w.Write(Constants.TypeString(GetObjectType()));
				w.Write("\n");
				w.Write("tag ");
				w.Write(GetTag());
				w.Write("\n");
				if (GetTagger() != null)
				{
					w.Write("tagger ");
					w.Write(GetTagger().ToExternalString());
					w.Write('\n');
				}
				w.Write('\n');
				if (GetMessage() != null)
				{
					w.Write(GetMessage());
				}
				w.Close();
			}
			catch (IOException err)
			{
				// This should never occur, the only way to get it above is
				// for the ByteArrayOutputStream to throw, but it doesn't.
				//
				throw new RuntimeException(err);
			}
			return os.ToByteArray();
		}

 /// <exception cref="System.IO.IOException"></exception>
 private void AssertFileContentsEqual(FilePath actFile, string @string)
 {
     ByteArrayOutputStream bos = new ByteArrayOutputStream();
     FileInputStream fis = null;
     byte[] buffer = new byte[100];
     try
     {
         fis = new FileInputStream(actFile);
         int read = fis.Read(buffer);
         while (read > 0)
         {
             bos.Write(buffer, 0, read);
             read = fis.Read(buffer);
         }
         string content = Sharpen.Runtime.GetStringForBytes(bos.ToByteArray(), "UTF-8");
         NUnit.Framework.Assert.AreEqual(@string, content);
     }
     finally
     {
         if (fis != null)
         {
             fis.Close();
         }
     }
 }

		public virtual void TestSmallObjectLoader()
		{
			byte[] act = GetRng().NextBytes(512);
			ObjectLoader ldr = new ObjectLoader.SmallObject(Constants.OBJ_BLOB, act);
			NUnit.Framework.Assert.AreEqual(Constants.OBJ_BLOB, ldr.GetType());
			NUnit.Framework.Assert.AreEqual(act.Length, ldr.GetSize());
			NUnit.Framework.Assert.IsFalse(ldr.IsLarge(), "not is large");
			NUnit.Framework.Assert.AreSame(act, ldr.GetCachedBytes());
			NUnit.Framework.Assert.AreSame(act, ldr.GetCachedBytes(1));
			NUnit.Framework.Assert.AreSame(act, ldr.GetCachedBytes(int.MaxValue));
			byte[] copy = ldr.GetBytes();
			NUnit.Framework.Assert.AreNotSame(act, copy);
			NUnit.Framework.Assert.IsTrue(Arrays.Equals(act, copy), "same content");
			copy = ldr.GetBytes(1);
			NUnit.Framework.Assert.AreNotSame(act, copy);
			NUnit.Framework.Assert.IsTrue(Arrays.Equals(act, copy), "same content");
			copy = ldr.GetBytes(int.MaxValue);
			NUnit.Framework.Assert.AreNotSame(act, copy);
			NUnit.Framework.Assert.IsTrue(Arrays.Equals(act, copy), "same content");
			ObjectStream @in = ldr.OpenStream();
			NUnit.Framework.Assert.IsNotNull(@in, "has stream");
			NUnit.Framework.Assert.IsTrue(@in is ObjectStream.SmallStream, "is small stream");
			NUnit.Framework.Assert.AreEqual(Constants.OBJ_BLOB, @in.GetType());
			NUnit.Framework.Assert.AreEqual(act.Length, @in.GetSize());
			NUnit.Framework.Assert.AreEqual(act.Length, @in.Available());
			NUnit.Framework.Assert.IsTrue(@in.MarkSupported(), "mark supported");
			copy = new byte[act.Length];
			NUnit.Framework.Assert.AreEqual(act.Length, @in.Read(copy));
			NUnit.Framework.Assert.AreEqual(0, @in.Available());
			NUnit.Framework.Assert.AreEqual(-1, @in.Read());
			NUnit.Framework.Assert.IsTrue(Arrays.Equals(act, copy), "same content");
			ByteArrayOutputStream tmp = new ByteArrayOutputStream();
			ldr.CopyTo(tmp);
			NUnit.Framework.Assert.IsTrue(Arrays.Equals(act, tmp.ToByteArray()), "same content"
				);
		}

		/// <summary>Overwrite (or create) a loose ref in the remote repository.</summary>
		/// <remarks>
		/// Overwrite (or create) a loose ref in the remote repository.
		/// <p>
		/// This method creates any missing parent directories, if necessary.
		/// </remarks>
		/// <param name="name">
		/// name of the ref within the ref space, for example
		/// <code>refs/heads/pu</code>.
		/// </param>
		/// <param name="value">new value to store in this ref. Must not be null.</param>
		/// <exception cref="System.IO.IOException">
		/// writing is not supported, or attempting to write the file
		/// failed, possibly due to permissions or remote disk full, etc.
		/// </exception>
		internal virtual void WriteRef(string name, ObjectId value)
		{
			ByteArrayOutputStream b;
			b = new ByteArrayOutputStream(Constants.OBJECT_ID_STRING_LENGTH + 1);
			value.CopyTo(b);
			b.Write('\n');
			WriteFile(ROOT_DIR + name, b.ToByteArray());
		}

			/// <exception cref="System.IO.IOException"></exception>
			internal byte[] ToArray()
			{
				try
				{
					if (length >= 0)
					{
						byte[] r = new byte[(int)length];
						IOUtil.ReadFully(@in, r, 0, r.Length);
						return r;
					}
					ByteArrayOutputStream r_1 = new ByteArrayOutputStream();
					byte[] buf = new byte[2048];
					int n;
					while ((n = @in.Read(buf)) >= 0)
					{
						r_1.Write(buf, 0, n);
					}
					return r_1.ToByteArray();
				}
				finally
				{
					@in.Close();
				}
			}

 // COPY: Copied from libcore.net.UriCodec
 /// <param name="convertPlus">true to convert '+' to ' '.</param>
 public static string Decode(string s, bool convertPlus, Encoding charset)
 {
     if (s.IndexOf('%') == -1 && (!convertPlus || s.IndexOf('+') == -1))
     {
         return s;
     }
     StringBuilder result = new StringBuilder(s.Length);
     ByteArrayOutputStream @out = new ByteArrayOutputStream();
     for (int i = 0; i < s.Length; )
     {
         char c = s[i];
         if (c == '%')
         {
             do
             {
                 if (i + 2 >= s.Length)
                 {
                     throw new ArgumentException("Incomplete % sequence at: " + i);
                 }
                 int d1 = HexToInt(s[i + 1]);
                 int d2 = HexToInt(s[i + 2]);
                 if (d1 == -1 || d2 == -1)
                 {
                     throw new ArgumentException("Invalid % sequence " + Sharpen.Runtime.Substring(s, 
                         i, i + 3) + " at " + i);
                 }
                 @out.Write(unchecked((byte)((d1 << 4) + d2)));
                 i += 3;
             }
             while (i < s.Length && s[i] == '%');
             result.Append(charset.GetString(@out.ToByteArray()));
             @out.Reset();
         }
         else
         {
             if (convertPlus && c == '+')
             {
                 c = ' ';
             }
             result.Append(c);
             i++;
         }
     }
     return result.ToString();
 }

 /// <summary>
 /// Determines the total length of the multipart content (content length of
 /// individual parts plus that of extra elements required to delimit the parts
 /// from one another).
 /// </summary>
 /// <remarks>
 /// Determines the total length of the multipart content (content length of
 /// individual parts plus that of extra elements required to delimit the parts
 /// from one another). If any of the @{link BodyPart}s contained in this object
 /// is of a streaming entity of unknown length the total length is also unknown.
 /// <p/>
 /// This method buffers only a small amount of data in order to determine the
 /// total length of the entire entity. The content of individual parts is not
 /// buffered.
 /// </remarks>
 /// <returns>
 /// total length of the multipart entity if known, <code>-1</code>
 /// otherwise.
 /// </returns>
 public virtual long GetTotalLength()
 {
     long contentLen = 0;
     foreach (FormBodyPart part in this.parts)
     {
         ContentBody body = part.GetBody();
         long len = body.GetContentLength();
         if (len >= 0)
         {
             contentLen += len;
         }
         else
         {
             return -1;
         }
     }
     ByteArrayOutputStream @out = new ByteArrayOutputStream();
     try
     {
         DoWriteTo(this.mode, @out, false);
         byte[] extra = @out.ToByteArray();
         return contentLen + extra.Length;
     }
     catch (IOException)
     {
         // Should never happen
         return -1;
     }
 }