H2 Database Engine 2.3.232 · org.h2.store.fs.encrypt.FilePathEncrypt

Modifier and Type	Field and Description
private static final String	SCHEME

Access	Constructor and Description
public	FilePathEncrypt()

Method Summary

Modifier and Type	Method and Description
public static byte[]	Returns: the byte array getPasswordBytes(char[] the password characters passwordChars) Convert a char array to a byte array, in UTF-16 format.
protected String	getPrefix() Overrides org.h2.store.fs.FilePathWrapper.getPrefix.
public String	getScheme() Implements abstract org.h2.store.fs.FilePath.getScheme. Get the scheme (prefix) for this file provider.
public InputStream	newInputStream() Overrides org.h2.store.fs.FilePathWrapper.newInputStream. Create an input stream to read from the file.
public OutputStream	newOutputStream(boolean if true, the file will grow, if false, the file will be truncated first append) Overrides org.h2.store.fs.FilePathWrapper.newOutputStream. Create an output stream to write into the file.
public FileChannel	open(String the access mode. Supported are r, rw, rws, rwd mode) Overrides org.h2.store.fs.FilePathWrapper.open. Open a random access file object.
private String[]	Returns: an array with algorithm, password, and base file name parse(String the file name fileName) Split the file name into algorithm, password, and base file name.
public static void	register() Register this file system.
public long	size() Overrides org.h2.store.fs.FilePathWrapper.size. Get the size of a file in bytes
public FilePath	unwrap(String the path including the scheme prefix fileName) Overrides org.h2.store.fs.FilePathWrapper.unwrap. Get the base path for the given wrapped path.

SCHEME	back to summary
private static final String SCHEME

FilePathEncrypt	back to summary
public FilePathEncrypt()

Method Detail

getPasswordBytes	back to summary
public static byte[] getPasswordBytes(char[] passwordChars) Convert a char array to a byte array, in UTF-16 format. The char array is not cleared after use (this must be done by the caller). Parameters passwordChars:char[] the password characters Returns:byte[] the byte array

getPasswordBytes

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public static byte[] getPasswordBytes(char[] passwordChars)

Convert a char array to a byte array, in UTF-16 format. The char array is not cleared after use (this must be done by the caller).

Parameters

passwordChars:char[]: the password characters

Returns:byte[]

the byte array

getPrefix	back to summary
protected String getPrefix() Overrides org.h2.store.fs.FilePathWrapper.getPrefix. Annotations @Override

getPrefix

back to summary

protected String getPrefix()

Overrides org.h2.store.fs.FilePathWrapper.getPrefix.

Annotations

@Override

getScheme back to summary

getScheme	back to summary
public String getScheme() Implements abstract org.h2.store.fs.FilePath.getScheme. Doc from org.h2.store.fs.FilePath.getScheme. Get the scheme (prefix) for this file provider. This is similar to `java.nio.file.spi.FileSystemProvider.getScheme`. Returns:String the scheme Annotations @Override

public String getScheme()

Implements abstract org.h2.store.fs.FilePath.getScheme.

Doc from org.h2.store.fs.FilePath.getScheme.

Get the scheme (prefix) for this file provider. This is similar to java.nio.file.spi.FileSystemProvider.getScheme.

Returns:String

the scheme

Annotations

@Override

newInputStream	back to summary
public InputStream newInputStream() throws IOException Overrides org.h2.store.fs.FilePathWrapper.newInputStream. Doc from org.h2.store.fs.FilePath.newInputStream. Create an input stream to read from the file. Returns:InputStream the input stream Annotations @Override Exceptions IOException: If an I/O error occurs

newInputStream

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public InputStream newInputStream() throws IOException

Overrides org.h2.store.fs.FilePathWrapper.newInputStream.

Doc from org.h2.store.fs.FilePath.newInputStream.

Create an input stream to read from the file.

Returns:InputStream

the input stream

Annotations

@Override

Exceptions

IOException:: If an I/O error occurs

newOutputStream	back to summary
public OutputStream newOutputStream(boolean append) throws IOException Overrides org.h2.store.fs.FilePathWrapper.newOutputStream. Doc from org.h2.store.fs.FilePath.newOutputStream. Create an output stream to write into the file. Parameters append:boolean if true, the file will grow, if false, the file will be truncated first Returns:OutputStream the output stream Annotations @Override Exceptions IOException: If an I/O error occurs

newOutputStream

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public OutputStream newOutputStream(boolean append) throws IOException

Overrides org.h2.store.fs.FilePathWrapper.newOutputStream.

Doc from org.h2.store.fs.FilePath.newOutputStream.

Create an output stream to write into the file.

Parameters

append:boolean: if true, the file will grow, if false, the file will be truncated first

Returns:OutputStream

the output stream

Annotations

@Override

Exceptions

IOException:: If an I/O error occurs

open	back to summary
public FileChannel open(String mode) throws IOException Overrides org.h2.store.fs.FilePathWrapper.open. Doc from org.h2.store.fs.FilePath.open. Open a random access file object. Parameters mode:String the access mode. Supported are r, rw, rws, rwd Returns:FileChannel the file object Annotations @Override Exceptions IOException: If an I/O error occurs

open

back to summary

public FileChannel open(String mode) throws IOException

Overrides org.h2.store.fs.FilePathWrapper.open.

Doc from org.h2.store.fs.FilePath.open.

Open a random access file object.

Parameters

mode:String: the access mode. Supported are r, rw, rws, rwd

Returns:FileChannel

the file object

Annotations

@Override

Exceptions

IOException:: If an I/O error occurs

parse	back to summary
private String[] parse(String fileName) Split the file name into algorithm, password, and base file name. Parameters fileName:String the file name Returns:String[] an array with algorithm, password, and base file name

parse

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private String[] parse(String fileName)

Split the file name into algorithm, password, and base file name.

Parameters

fileName:String: the file name

Returns:String[]

an array with algorithm, password, and base file name

register	back to summary
public static void register() Register this file system.

size	back to summary
public long size() Overrides org.h2.store.fs.FilePathWrapper.size. Doc from org.h2.store.fs.FilePath.size. Get the size of a file in bytes Returns:long the size in bytes Annotations @Override

size

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public long size()

Overrides org.h2.store.fs.FilePathWrapper.size.

Doc from org.h2.store.fs.FilePath.size.

Get the size of a file in bytes

Returns:long

the size in bytes

Annotations

@Override

unwrap	back to summary
public FilePath unwrap(String fileName) Overrides org.h2.store.fs.FilePathWrapper.unwrap. Doc from org.h2.store.fs.FilePathWrapper.unwrap. Get the base path for the given wrapped path. Parameters fileName:String the path including the scheme prefix Returns:FilePath the base file path Annotations @Override

unwrap

back to summary

public FilePath unwrap(String fileName)

Overrides org.h2.store.fs.FilePathWrapper.unwrap.

Doc from org.h2.store.fs.FilePathWrapper.unwrap.

Get the base path for the given wrapped path.

Parameters