-/*******************************************************************************\r
- * Copyright (c) 2010, 2016 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
+/*******************************************************************************
+ * Copyright (c) 2010, 2016 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
package org.simantics.databoard.util.binary;
-import java.io.DataInputStream;\r
-import java.io.EOFException;\r
-import java.io.File;\r
-import java.io.IOException;\r
-import java.io.RandomAccessFile;\r
-import java.nio.ByteBuffer;\r
+import java.io.DataInputStream;
+import java.io.EOFException;
+import java.io.File;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.nio.ByteBuffer;
/**
* This class is a Random Access File implementation to RandomAccessBinary.
* to disc.
* <p>
* There is internal pointer variable. The actual file pointer is moved on
- * disc read and write operations. \r
- * <p>\r
- * Primitive number writes (int, short, char, double, float and long) and\r
- * written in big endian (network) byte order. Use {@link Endian}\r
+ * disc read and write operations.
+ * <p>
+ * Primitive number writes (int, short, char, double, float and long) and
+ * written in big endian (network) byte order. Use {@link Endian}
* to make little endian operations.
*
* @author Toni Kalajainen <toni.kalajainen@vtt.fi>
long virtualLength;
long diskLength;
- public BinaryFile(RandomAccessFile file) throws IOException\r
- {\r
- this.raf = file;\r
- virtualLength = diskLength = raf.length();\r
- pointer = 0;\r
- buf = new byte[4096];\r
- }\r
-\r
- public BinaryFile(File file) throws IOException\r
- {\r
- this.raf = new RandomAccessFile(file, "rw");\r
- virtualLength = diskLength = raf.length(); \r
- this.file = file;\r
- pointer = 0;\r
- buf = new byte[4096];\r
- }\r
- \r
- public BinaryFile(File file, String mode) throws IOException\r
- {\r
- this.raf = new RandomAccessFile(file, mode);\r
- virtualLength = diskLength = raf.length(); \r
- this.file = file;\r
- pointer = 0;\r
- buf = new byte[4096];\r
- }\r
- \r
- public BinaryFile(RandomAccessFile file, int bufSize) throws IOException\r
- {\r
- this.raf = file;\r
- virtualLength = diskLength = raf.length();\r
- pointer = 0;\r
- buf = new byte[bufSize];\r
- }\r
-\r
- public BinaryFile(File file, int bufSize) throws IOException\r
- {\r
- this.raf = new RandomAccessFile(file, "rw");\r
- virtualLength = diskLength = raf.length(); \r
- this.file = file;\r
- pointer = 0;\r
- buf = new byte[bufSize];\r
- }\r
- \r
+ public BinaryFile(RandomAccessFile file) throws IOException
+ {
+ this.raf = file;
+ virtualLength = diskLength = raf.length();
+ pointer = 0;
+ buf = new byte[4096];
+ }
+
+ public BinaryFile(File file) throws IOException
+ {
+ this.raf = new RandomAccessFile(file, "rw");
+ virtualLength = diskLength = raf.length();
+ this.file = file;
+ pointer = 0;
+ buf = new byte[4096];
+ }
+
+ public BinaryFile(File file, String mode) throws IOException
+ {
+ this.raf = new RandomAccessFile(file, mode);
+ virtualLength = diskLength = raf.length();
+ this.file = file;
+ pointer = 0;
+ buf = new byte[4096];
+ }
+
+ public BinaryFile(RandomAccessFile file, int bufSize) throws IOException
+ {
+ this.raf = file;
+ virtualLength = diskLength = raf.length();
+ pointer = 0;
+ buf = new byte[bufSize];
+ }
+
+ public BinaryFile(File file, int bufSize) throws IOException
+ {
+ this.raf = new RandomAccessFile(file, "rw");
+ virtualLength = diskLength = raf.length();
+ this.file = file;
+ pointer = 0;
+ buf = new byte[bufSize];
+ }
+
public static BinaryFile tempFile(long size) throws IOException
{
File tmpFile = File.createTempFile("Temp", ".file");
}
/**
- * Closes the object. Note, this will close the input random access file.\r
+ * Closes the object. Note, this will close the input random access file.
* This method may be called several times.
*
* @throws IOException
*/
- public synchronized void close() throws IOException {\r
+ public synchronized void close() throws IOException {
if (raf==null) return;
flush();
pointer = -1;
raf = null;
buf = null;
}
-\r
- public synchronized boolean isOpen() {\r
- return buf!=null;\r
- }\r
+
+ public synchronized boolean isOpen() {
+ return buf!=null;
+ }
public File file() {
return file;
* @throws IOException
*/
int _get() throws IOException
- {\r
+ {
assertReadable(1);
int posInBuf = (int) (pointer - buf_pos);
int result = buf[posInBuf] & 0xFF;
pointer++;
return result;
- } \r
-\r
- /**\r
- * Get next 4 bytes as an int value. This is an optimization.\r
- * @return long value\r
- * @throws IOException\r
- */\r
- int _getInt() throws IOException\r
- {\r
- assertReadable(4); \r
-\r
- int posInBuf = (int) (pointer - buf_pos);\r
- int result =\r
- (((int) (buf[posInBuf + 3] & 0xFF)) |\r
- (((int) (buf[posInBuf + 2] & 0xFF)) << 8) |\r
- (((int) (buf[posInBuf + 1] & 0xFF)) << 16) |\r
- (((int) (buf[posInBuf] & 0xFF)) << 24));\r
- pointer+=4;\r
- return result;\r
- }\r
-\r
- /**\r
- * Get next 8 bytes as a long value. This is an optimization.\r
- * @return long value\r
- * @throws IOException\r
- */\r
- long _getLong() throws IOException\r
- {\r
- assertReadable(8);\r
-\r
- int posInBuf = (int) (pointer - buf_pos);\r
- long result =\r
- (((long) (buf[posInBuf + 7] & 0xFF)) |\r
- (((long) (buf[posInBuf + 6] & 0xFF)) << 8) |\r
- (((long) (buf[posInBuf + 5] & 0xFF)) << 16) |\r
- (((long) (buf[posInBuf + 4] & 0xFF)) << 24) |\r
- (((long) (buf[posInBuf + 3] & 0xFF)) << 32) |\r
- (((long) (buf[posInBuf + 2] & 0xFF)) << 40) |\r
- (((long) (buf[posInBuf + 1] & 0xFF)) << 48) |\r
- (((long) (buf[posInBuf] & 0xFF)) << 56));\r
- pointer+=8;\r
- return result;\r
- }\r
-\r
- /**\r
- * Get next byte\r
- * @return 0..255 or -1 on end of file\r
- * @throws IOException\r
- */\r
- int _read() throws IOException\r
- {\r
- if (readableBytesInBuffer()<1) {\r
- fill();\r
- if (readableBytesInBuffer()==0) return -1;\r
- }\r
- \r
- int posInBuf = (int) (pointer - buf_pos);\r
- int result = buf[posInBuf] & 0xFF;\r
- pointer++;\r
- return result;\r
+ }
+
+ /**
+ * Get next 4 bytes as an int value. This is an optimization.
+ * @return long value
+ * @throws IOException
+ */
+ int _getInt() throws IOException
+ {
+ assertReadable(4);
+
+ int posInBuf = (int) (pointer - buf_pos);
+ int result =
+ (((int) (buf[posInBuf + 3] & 0xFF)) |
+ (((int) (buf[posInBuf + 2] & 0xFF)) << 8) |
+ (((int) (buf[posInBuf + 1] & 0xFF)) << 16) |
+ (((int) (buf[posInBuf] & 0xFF)) << 24));
+ pointer+=4;
+ return result;
+ }
+
+ /**
+ * Get next 8 bytes as a long value. This is an optimization.
+ * @return long value
+ * @throws IOException
+ */
+ long _getLong() throws IOException
+ {
+ assertReadable(8);
+
+ int posInBuf = (int) (pointer - buf_pos);
+ long result =
+ (((long) (buf[posInBuf + 7] & 0xFF)) |
+ (((long) (buf[posInBuf + 6] & 0xFF)) << 8) |
+ (((long) (buf[posInBuf + 5] & 0xFF)) << 16) |
+ (((long) (buf[posInBuf + 4] & 0xFF)) << 24) |
+ (((long) (buf[posInBuf + 3] & 0xFF)) << 32) |
+ (((long) (buf[posInBuf + 2] & 0xFF)) << 40) |
+ (((long) (buf[posInBuf + 1] & 0xFF)) << 48) |
+ (((long) (buf[posInBuf] & 0xFF)) << 56));
+ pointer+=8;
+ return result;
+ }
+
+ /**
+ * Get next byte
+ * @return 0..255 or -1 on end of file
+ * @throws IOException
+ */
+ int _read() throws IOException
+ {
+ if (readableBytesInBuffer()<1) {
+ fill();
+ if (readableBytesInBuffer()==0) return -1;
+ }
+
+ int posInBuf = (int) (pointer - buf_pos);
+ int result = buf[posInBuf] & 0xFF;
+ pointer++;
+ return result;
}
void _get(byte[] dst, int offset, int length) throws IOException {
return (int) ( buf.length - posInBuf );
}
-\r
- /**\r
- * Assert there is a set number of bytes in read buffer.\r
- * bytes should not be larger than read buffer size (buf.length, 4K) \r
- * \r
- * @param bytes\r
- * @throws IOException\r
- */\r
- private void assertReadable(int bytes) throws IOException\r
- {\r
- if (readableBytesInBuffer()<bytes) {\r
- fill();\r
- if (readableBytesInBuffer()<bytes) throw new EOFException(); \r
- }\r
- }\r
+
+ /**
+ * Assert there is a set number of bytes in read buffer.
+ * bytes should not be larger than read buffer size (buf.length, 4K)
+ *
+ * @param bytes
+ * @throws IOException
+ */
+ private void assertReadable(int bytes) throws IOException
+ {
+ if (readableBytesInBuffer()<bytes) {
+ fill();
+ if (readableBytesInBuffer()<bytes) throw new EOFException();
+ }
+ }
/**
* Read the buffer at file position pointer.
readable_bytes_count = new_buf_length;
}
}
-\r
+
@Override
public byte readByte() throws IOException {
return (byte) _get();
- }\r
- \r
- @Override\r
- public char readChar() throws IOException {\r
- return (char)((_get() << 8) | _get());\r
- }\r
- \r
- @Override\r
- public int readUnsignedByte() throws IOException {\r
- return _get() & 0x000000ff;\r
+ }
+
+ @Override
+ public char readChar() throws IOException {
+ return (char)((_get() << 8) | _get());
+ }
+
+ @Override
+ public int readUnsignedByte() throws IOException {
+ return _get() & 0x000000ff;
}
-\r
- @Override\r
- public boolean readBoolean() throws IOException {\r
- return _get()!=0;\r
- }\r
+
+ @Override
+ public boolean readBoolean() throws IOException {
+ return _get()!=0;
+ }
@Override
public void readFully(byte[] dst, int offset, int length) throws IOException {
@Override
public void readFully(ByteBuffer buf, int length) throws IOException {
- while (length>0) {\r
+ while (length>0) {
assertReadable( Math.min(this.buf.length, length) );
long n = Math.min(readableBytesInBuffer(), length);
if (n==0) throw new EOFException();
buf.put(this.buf, (int)posInBuf, (int)n);
length -= n;
pointer += n;
- }\r
- if (length>0) {\r
- fill();\r
- if (readableBytesInBuffer()==0) {\r
- throw new EOFException();\r
- }\r
- }\r
+ }
+ if (length>0) {
+ fill();
+ if (readableBytesInBuffer()==0) {
+ throw new EOFException();
+ }
+ }
}
}
// ( _get() << 24) |
// ( _get() << 16) |
// ( _get() << 8) |
-// ( _get() );\r
+// ( _get() );
_getInt();
}
// ( ((long)_get()) << 16) |
// ( ((long)_get()) << 8) |
// ( ((long)_get()) );
- _getLong();\r
+ _getLong();
}
@Override
public short readShort() throws IOException {
return (short) ( (_get() << 8) | _get() ) ;
- }\r
- \r
- @Override\r
- public int readUnsignedShort() throws IOException {\r
- return (int) ( (_get() << 8) | _get() ) ;\r
+ }
+
+ @Override
+ public int readUnsignedShort() throws IOException {
+ return (int) ( (_get() << 8) | _get() ) ;
}
- \r
- public final String readLine() throws IOException {\r
- StringBuffer input = new StringBuffer();\r
- int c = -1;\r
- boolean eol = false;\r
-\r
- while (!eol) {\r
- switch (c = _read()) {\r
- case -1:\r
- case '\n':\r
- eol = true;\r
- break;\r
- case '\r':\r
- eol = true;\r
- long cur = position();\r
- if ((_read()) != '\n') {\r
- position(cur);\r
- }\r
- break;\r
- default:\r
- input.append((char)c);\r
- break;\r
- }\r
- }\r
-\r
- if ((c == -1) && (input.length() == 0)) {\r
- return null;\r
- }\r
- return input.toString();\r
- } \r
- \r
- public final String readUTF() throws IOException {\r
- return DataInputStream.readUTF(this);\r
- } \r
+
+ public final String readLine() throws IOException {
+ StringBuffer input = new StringBuffer();
+ int c = -1;
+ boolean eol = false;
+
+ while (!eol) {
+ switch (c = _read()) {
+ case -1:
+ case '\n':
+ eol = true;
+ break;
+ case '\r':
+ eol = true;
+ long cur = position();
+ if ((_read()) != '\n') {
+ position(cur);
+ }
+ break;
+ default:
+ input.append((char)c);
+ break;
+ }
+ }
+
+ if ((c == -1) && (input.length() == 0)) {
+ return null;
+ }
+ return input.toString();
+ }
+
+ public final String readUTF() throws IOException {
+ return DataInputStream.readUTF(this);
+ }
@Override
public long position() {
*/
public void reset() throws IOException {
writeFlush();
- readable_bytes_count = 0;\r
- virtualLength = diskLength = raf.length(); \r
- }
-\r
- @Override\r
- public long skipBytes(long bytes) throws IOException { \r
- pointer += bytes;\r
- return bytes;\r
- }\r
-
- @Override\r
- public int skipBytes(int bytes) throws IOException { \r
- pointer += bytes;\r
- return bytes;\r
- }\r
-\r
-\r
+ readable_bytes_count = 0;
+ virtualLength = diskLength = raf.length();
+ }
+
+ @Override
+ public long skipBytes(long bytes) throws IOException {
+ pointer += bytes;
+ return bytes;
+ }
+
+ @Override
+ public int skipBytes(int bytes) throws IOException {
+ pointer += bytes;
+ return bytes;
+ }
+
+
// WRITE
-\r
- void _putLong(long value) throws IOException\r
- {\r
- prepareForWrite(8);\r
- int posInBuf = (int) (pointer - buf_pos);\r
- buf[posInBuf] = (byte) (value >>> 56);\r
- buf[posInBuf+1] = (byte) (value >>> 48);\r
- buf[posInBuf+2] = (byte) (value >>> 40);\r
- buf[posInBuf+3] = (byte) (value >>> 32);\r
- buf[posInBuf+4] = (byte) (value >>> 24);\r
- buf[posInBuf+5] = (byte) (value >>> 16);\r
- buf[posInBuf+6] = (byte) (value >>> 8);\r
- buf[posInBuf+7] = (byte) value;\r
- posInBuf += 8;\r
- pointer += 8;\r
- if (write_buf_count<posInBuf) write_buf_count = posInBuf;\r
- if (readable_bytes_count<write_buf_count) readable_bytes_count=write_buf_count;\r
- if (virtualLength<pointer) virtualLength=pointer;\r
- }\r
-\r
- void _putInt(int value) throws IOException\r
- {\r
- prepareForWrite(4);\r
- int posInBuf = (int) (pointer - buf_pos);\r
- buf[posInBuf] = (byte) (value >>> 24);\r
- buf[posInBuf+1] = (byte) (value >>> 16);\r
- buf[posInBuf+2] = (byte) (value >>> 8);\r
- buf[posInBuf+3] = (byte) value;\r
- posInBuf += 4;\r
- pointer += 4;\r
- if (write_buf_count<posInBuf) write_buf_count = posInBuf;\r
- if (readable_bytes_count<write_buf_count) readable_bytes_count=write_buf_count;\r
- if (virtualLength<pointer) virtualLength=pointer;\r
- }\r
+
+ void _putLong(long value) throws IOException
+ {
+ prepareForWrite(8);
+ int posInBuf = (int) (pointer - buf_pos);
+ buf[posInBuf] = (byte) (value >>> 56);
+ buf[posInBuf+1] = (byte) (value >>> 48);
+ buf[posInBuf+2] = (byte) (value >>> 40);
+ buf[posInBuf+3] = (byte) (value >>> 32);
+ buf[posInBuf+4] = (byte) (value >>> 24);
+ buf[posInBuf+5] = (byte) (value >>> 16);
+ buf[posInBuf+6] = (byte) (value >>> 8);
+ buf[posInBuf+7] = (byte) value;
+ posInBuf += 8;
+ pointer += 8;
+ if (write_buf_count<posInBuf) write_buf_count = posInBuf;
+ if (readable_bytes_count<write_buf_count) readable_bytes_count=write_buf_count;
+ if (virtualLength<pointer) virtualLength=pointer;
+ }
+
+ void _putInt(int value) throws IOException
+ {
+ prepareForWrite(4);
+ int posInBuf = (int) (pointer - buf_pos);
+ buf[posInBuf] = (byte) (value >>> 24);
+ buf[posInBuf+1] = (byte) (value >>> 16);
+ buf[posInBuf+2] = (byte) (value >>> 8);
+ buf[posInBuf+3] = (byte) value;
+ posInBuf += 4;
+ pointer += 4;
+ if (write_buf_count<posInBuf) write_buf_count = posInBuf;
+ if (readable_bytes_count<write_buf_count) readable_bytes_count=write_buf_count;
+ if (virtualLength<pointer) virtualLength=pointer;
+ }
void _put(int value) throws IOException
{
@Override
public void write(int b) throws IOException {
_put(b);
- }\r
- \r
- @Override\r
- public void writeByte(int b) throws IOException {\r
- _put(b);\r
+ }
+
+ @Override
+ public void writeByte(int b) throws IOException {
+ _put(b);
}
-\r
- @Override\r
- public void writeBoolean(boolean v) throws IOException {\r
- _put( v ? 1 : 0);\r
- }\r
+
+ @Override
+ public void writeBoolean(boolean v) throws IOException {
+ _put( v ? 1 : 0);
+ }
@Override
public void writeFully(ByteBuffer src) throws IOException {
public void writeShort(int value) throws IOException {
_put(value >> 8);
_put(value);
- }\r
- \r
- @Override\r
- public void writeChar(int value) throws IOException {\r
- _put(value >> 8);\r
- _put(value);\r
- }\r
- \r
- @Override\r
- public void writeBytes(String s) throws IOException {\r
- int len = s.length();\r
- for (int i = 0 ; i < len ; i++) {\r
- _put((byte)s.charAt(i));\r
- }\r
- }\r
- \r
- @Override\r
- public void writeChars(String s) throws IOException {\r
- int len = s.length();\r
- for (int i = 0 ; i < len ; i++) {\r
- int v = s.charAt(i);\r
- _put((v >>> 8) & 0xFF); \r
- _put((v >>> 0) & 0xFF); \r
- }\r
- }
-\r
- @Override\r
- public void writeUTF(String s) throws IOException {\r
- int len = UTF8.getModifiedUTF8EncodingByteLength(s);\r
- writeShort(len);\r
- UTF8.writeModifiedUTF(this, s);\r
- }\r
+ }
+
+ @Override
+ public void writeChar(int value) throws IOException {
+ _put(value >> 8);
+ _put(value);
+ }
+
+ @Override
+ public void writeBytes(String s) throws IOException {
+ int len = s.length();
+ for (int i = 0 ; i < len ; i++) {
+ _put((byte)s.charAt(i));
+ }
+ }
+
+ @Override
+ public void writeChars(String s) throws IOException {
+ int len = s.length();
+ for (int i = 0 ; i < len ; i++) {
+ int v = s.charAt(i);
+ _put((v >>> 8) & 0xFF);
+ _put((v >>> 0) & 0xFF);
+ }
+ }
+
+ @Override
+ public void writeUTF(String s) throws IOException {
+ int len = UTF8.getModifiedUTF8EncodingByteLength(s);
+ writeShort(len);
+ UTF8.writeModifiedUTF(this, s);
+ }
@Override
public void insertBytes(long bytes, ByteSide side) throws IOException {
Code Review / simantics / platform.git / blobdiff