ClassGraph 4.8.179 · nonapi.io.github.classgraph.fileslice.reader.RandomAccessReader

Method Summary

Modifier and Type	Method and Description
public int	Returns: The number of bytes actually read, or -1 if no more bytes could be read. read(long The offset to start reading from. srcOffset, ByteBuffer The `ByteBuffer` to write into. dstBuf, int The offset within the destination buffer to start writing at. dstBufStart, int The number of bytes to read. numBytes) Read bytes into a `ByteBuffer`.
public int	Returns: The number of bytes actually read, or -1 if no more bytes could be read. read(long The offset to start reading from. srcOffset, byte[] The byte array to write into. dstArr, int The offset within the destination array to start writing at. dstArrStart, int The number of bytes to read. numBytes) Read bytes into a byte array.
public byte	Returns: The byte at the offset. readByte(final long The buffer offset to read from. offset) Read a byte at a specific offset (without changing the current cursor offset).
public int	Returns: The int at the offset. readInt(final long The buffer offset to read from. offset) Read a int at a specific offset (without changing the current cursor offset).
public long	Returns: The long at the offset. readLong(final long The buffer offset to read from. offset) Read a long at a specific offset (without changing the current cursor offset).
public short	Returns: The short at the offset. readShort(final long The buffer offset to read from. offset) Read a short at a specific offset (without changing the current cursor offset).
public String	Returns: The string. readString(final long The start offset of the string. offset, final int The number of bytes of the UTF8 encoding of the string. numBytes, final boolean If true, replace '/' with '.'. replaceSlashWithDot, final boolean If true, string final ';' character. stripLSemicolon) Reads the "modified UTF8" format defined in the Java classfile spec, optionally replacing '/' with '.', and optionally removing the prefix "L" and the suffix ";".
public String	Returns: The string. readString(final long The start offset of the string. offset, final int The number of bytes of the UTF8 encoding of the string. numBytes) Reads the "modified UTF8" format defined in the Java classfile spec.
public int	Returns: The unsigned byte at the offset. readUnsignedByte(final long The buffer offset to read from. offset) Read an unsigned byte at a specific offset (without changing the current cursor offset).
public long	Returns: The int at the offset, as a long. readUnsignedInt(final long The buffer offset to read from. offset) Read a unsigned int at a specific offset (without changing the current cursor offset).
public int	Returns: The unsigned short at the offset. readUnsignedShort(final long The buffer offset to read from. offset) Read a unsigned short at a specific offset (without changing the current cursor offset).

Method Detail

read back to summary

read	back to summary
public int read(long srcOffset, ByteBuffer dstBuf, int dstBufStart, int numBytes) throws IOException Read bytes into a `ByteBuffer`. Parameters srcOffset:long The offset to start reading from. dstBuf:ByteBuffer The `ByteBuffer` to write into. dstBufStart:int The offset within the destination buffer to start writing at. numBytes:int The number of bytes to read. Returns:int The number of bytes actually read, or -1 if no more bytes could be read. Exceptions IOException: If there was an exception while reading.

public int read(long srcOffset, ByteBuffer dstBuf, int dstBufStart, int numBytes) throws IOException

Read bytes into a ByteBuffer.

Parameters

srcOffset:long: The offset to start reading from.
dstBuf:ByteBuffer: The ByteBuffer to write into.
dstBufStart:int: The offset within the destination buffer to start writing at.
numBytes:int: The number of bytes to read.

Returns:int

The number of bytes actually read, or -1 if no more bytes could be read.

Exceptions

IOException:: If there was an exception while reading.

read	back to summary
public int read(long srcOffset, byte[] dstArr, int dstArrStart, int numBytes) throws IOException Read bytes into a byte array. Parameters srcOffset:long The offset to start reading from. dstArr:byte[] The byte array to write into. dstArrStart:int The offset within the destination array to start writing at. numBytes:int The number of bytes to read. Returns:int The number of bytes actually read, or -1 if no more bytes could be read. Exceptions IOException: If there was an exception while reading.

read

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public int read(long srcOffset, byte[] dstArr, int dstArrStart, int numBytes) throws IOException

Read bytes into a byte array.

Parameters

srcOffset:long: The offset to start reading from.
dstArr:byte[]: The byte array to write into.
dstArrStart:int: The offset within the destination array to start writing at.
numBytes:int: The number of bytes to read.

Returns:int

The number of bytes actually read, or -1 if no more bytes could be read.

Exceptions

IOException:: If there was an exception while reading.

readByte	back to summary
public byte readByte(final long offset) throws IOException Read a byte at a specific offset (without changing the current cursor offset). Parameters offset:long The buffer offset to read from. Returns:byte The byte at the offset. Exceptions IOException: If there was an exception while reading.

readByte

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public byte readByte(final long offset) throws IOException

Read a byte at a specific offset (without changing the current cursor offset).

Parameters

offset:long: The buffer offset to read from.

Returns:byte

The byte at the offset.

Exceptions

IOException:: If there was an exception while reading.

readInt	back to summary
public int readInt(final long offset) throws IOException Read a int at a specific offset (without changing the current cursor offset). Parameters offset:long The buffer offset to read from. Returns:int The int at the offset. Exceptions IOException: If there was an exception while reading.

readInt

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public int readInt(final long offset) throws IOException

Read a int at a specific offset (without changing the current cursor offset).

Parameters

offset:long: The buffer offset to read from.

Returns:int

The int at the offset.

Exceptions

IOException:: If there was an exception while reading.

readLong	back to summary
public long readLong(final long offset) throws IOException Read a long at a specific offset (without changing the current cursor offset). Parameters offset:long The buffer offset to read from. Returns:long The long at the offset. Exceptions IOException: If there was an exception while reading.

readLong

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public long readLong(final long offset) throws IOException

Read a long at a specific offset (without changing the current cursor offset).

Parameters

offset:long: The buffer offset to read from.

Returns:long

The long at the offset.

Exceptions

IOException:: If there was an exception while reading.

readShort	back to summary
public short readShort(final long offset) throws IOException Read a short at a specific offset (without changing the current cursor offset). Parameters offset:long The buffer offset to read from. Returns:short The short at the offset. Exceptions IOException: If there was an exception while reading.

readShort

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public short readShort(final long offset) throws IOException

Read a short at a specific offset (without changing the current cursor offset).

Parameters

offset:long: The buffer offset to read from.

Returns:short

The short at the offset.

Exceptions

IOException:: If there was an exception while reading.

readString	back to summary
public String readString(final long offset, final int numBytes, final boolean replaceSlashWithDot, final boolean stripLSemicolon) throws IOException Reads the "modified UTF8" format defined in the Java classfile spec, optionally replacing '/' with '.', and optionally removing the prefix "L" and the suffix ";". Parameters offset:long The start offset of the string. numBytes:int The number of bytes of the UTF8 encoding of the string. replaceSlashWithDot:boolean If true, replace '/' with '.'. stripLSemicolon:boolean If true, string final ';' character. Returns:String The string. Exceptions IOException: If an I/O exception occurs.

readString

back to summary

public String readString(final long offset, final int numBytes, final boolean replaceSlashWithDot, final boolean stripLSemicolon) throws IOException

Reads the "modified UTF8" format defined in the Java classfile spec, optionally replacing '/' with '.', and optionally removing the prefix "L" and the suffix ";".

Parameters

offset:long: The start offset of the string.
numBytes:int: The number of bytes of the UTF8 encoding of the string.
replaceSlashWithDot:boolean: If true, replace '/' with '.'.
stripLSemicolon:boolean: If true, string final ';' character.

Returns:String

The string.

Exceptions

IOException:: If an I/O exception occurs.

readString	back to summary
public String readString(final long offset, final int numBytes) throws IOException Reads the "modified UTF8" format defined in the Java classfile spec. Parameters offset:long The start offset of the string. numBytes:int The number of bytes of the UTF8 encoding of the string. Returns:String The string. Exceptions IOException: If an I/O exception occurs.

readString

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public String readString(final long offset, final int numBytes) throws IOException

Reads the "modified UTF8" format defined in the Java classfile spec.

Parameters

offset:long: The start offset of the string.
numBytes:int: The number of bytes of the UTF8 encoding of the string.

Returns:String

The string.

Exceptions

IOException:: If an I/O exception occurs.

readUnsignedByte	back to summary
public int readUnsignedByte(final long offset) throws IOException Read an unsigned byte at a specific offset (without changing the current cursor offset). Parameters offset:long The buffer offset to read from. Returns:int The unsigned byte at the offset. Exceptions IOException: If there was an exception while reading.

readUnsignedByte

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public int readUnsignedByte(final long offset) throws IOException

Read an unsigned byte at a specific offset (without changing the current cursor offset).

Parameters

offset:long: The buffer offset to read from.

Returns:int

The unsigned byte at the offset.

Exceptions

IOException:: If there was an exception while reading.

readUnsignedInt	back to summary
public long readUnsignedInt(final long offset) throws IOException Read a unsigned int at a specific offset (without changing the current cursor offset). Parameters offset:long The buffer offset to read from. Returns:long The int at the offset, as a long. Exceptions IOException: If there was an exception while reading.

readUnsignedInt

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public long readUnsignedInt(final long offset) throws IOException

Read a unsigned int at a specific offset (without changing the current cursor offset).

Parameters

offset:long: The buffer offset to read from.

Returns:long

The int at the offset, as a long.

Exceptions

IOException:: If there was an exception while reading.

readUnsignedShort	back to summary
public int readUnsignedShort(final long offset) throws IOException Read a unsigned short at a specific offset (without changing the current cursor offset). Parameters offset:long The buffer offset to read from. Returns:int The unsigned short at the offset. Exceptions IOException: If there was an exception while reading.

readUnsignedShort

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public int readUnsignedShort(final long offset) throws IOException

Read a unsigned short at a specific offset (without changing the current cursor offset).

Parameters

offset:long: The buffer offset to read from.

Returns:int

The unsigned short at the offset.

Exceptions

IOException:: If there was an exception while reading.

public Interface RandomAccessReader

Method Summary

Method Detail