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-rw-r--r--Minecraft.World/ConsoleSaveFileOutputStream.cpp130
1 files changed, 130 insertions, 0 deletions
diff --git a/Minecraft.World/ConsoleSaveFileOutputStream.cpp b/Minecraft.World/ConsoleSaveFileOutputStream.cpp
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+++ b/Minecraft.World/ConsoleSaveFileOutputStream.cpp
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+#include "stdafx.h"
+#include "File.h"
+#include "ConsoleSaveFileOutputStream.h"
+
+#include "ConsoleSaveFile.h"
+
+//Creates a file output stream to write to the file represented by the specified File object. A new FileDescriptor object is
+//created to represent this file connection.
+//First, if there is a security manager, its checkWrite method is called with the path represented by the file argument as its argument.
+//
+//If the file exists but is a directory rather than a regular file, does not exist but cannot be created, or cannot be opened
+//for any other reason then a FileNotFoundException is thrown.
+//
+//Parameters:
+//file - the file to be opened for writing.
+ConsoleSaveFileOutputStream::ConsoleSaveFileOutputStream(ConsoleSaveFile *saveFile, const ConsoleSavePath &file)
+{
+ m_saveFile = saveFile;
+
+ m_file = m_saveFile->createFile(file);
+
+ m_saveFile->setFilePointer( m_file, 0, NULL, FILE_BEGIN );
+}
+
+ConsoleSaveFileOutputStream::ConsoleSaveFileOutputStream(ConsoleSaveFile *saveFile, FileEntry *file)
+{
+ m_saveFile = saveFile;
+
+ m_file = file;
+
+ m_saveFile->setFilePointer( m_file, 0, NULL, FILE_BEGIN );
+}
+
+//Writes the specified byte to this file output stream. Implements the write method of OutputStream.
+//Parameters:
+//b - the byte to be written.
+void ConsoleSaveFileOutputStream::write(unsigned int b)
+{
+ DWORD numberOfBytesWritten;
+
+ byte value = (byte) b;
+
+ BOOL result = m_saveFile->writeFile(
+ m_file,
+ &value, // data buffer
+ 1, // number of bytes to write
+ &numberOfBytesWritten // number of bytes written
+ );
+
+ if( result == 0 )
+ {
+ // TODO 4J Stu - Some kind of error handling
+ }
+ else if( numberOfBytesWritten == 0 )
+ {
+ // File pointer is past the end of the file
+ }
+}
+
+//Writes b.length bytes from the specified byte array to this file output stream.
+//Parameters:
+//b - the data.
+void ConsoleSaveFileOutputStream::write(byteArray b)
+{
+ DWORD numberOfBytesWritten;
+
+ BOOL result = m_saveFile->writeFile(
+ m_file,
+ &b.data, // data buffer
+ b.length, // number of bytes to write
+ &numberOfBytesWritten // number of bytes written
+ );
+
+ if( result == 0 )
+ {
+ // TODO 4J Stu - Some kind of error handling
+ }
+ else if( numberOfBytesWritten == 0 || numberOfBytesWritten != b.length )
+ {
+ // File pointer is past the end of the file
+ }
+}
+
+//Writes len bytes from the specified byte array starting at offset off to this file output stream.
+//Parameters:
+//b - the data.
+//off - the start offset in the data.
+//len - the number of bytes to write.
+void ConsoleSaveFileOutputStream::write(byteArray b, unsigned int offset, unsigned int length)
+{
+ // 4J Stu - We don't want to write any more than the array buffer holds
+ assert( length <= ( b.length - offset ) );
+
+ DWORD numberOfBytesWritten;
+
+ BOOL result = m_saveFile->writeFile(
+ m_file,
+ &b[offset], // data buffer
+ length, // number of bytes to write
+ &numberOfBytesWritten // number of bytes written
+ );
+
+ if( result == 0 )
+ {
+ // TODO 4J Stu - Some kind of error handling
+ }
+ else if( numberOfBytesWritten == 0 || numberOfBytesWritten != length )
+ {
+ // File pointer is past the end of the file
+ }
+}
+//
+//Closes this file output stream and releases any system resources associated with this stream.
+//This file output stream may no longer be used for writing bytes.
+//If this stream has an associated channel then the channel is closed as well.
+void ConsoleSaveFileOutputStream::close()
+{
+ if( m_saveFile != NULL )
+ {
+ BOOL result = m_saveFile->closeHandle( m_file );
+
+ if( result == 0 )
+ {
+ // TODO 4J Stu - Some kind of error handling
+ }
+
+ // Stop the dtor from trying to close it again
+ m_saveFile = NULL;
+ }
+}