net.sourceforge.javadpkg.store

Class DataStoreImpl

java.lang.Object

net.sourceforge.javadpkg.store.DataStoreImpl

All Implemented Interfaces:

DebianPackageConstants, GlobalConstants, DataStore

public class DataStoreImpl
extends Object
implements DataStore, DebianPackageConstants

A DataStore implementation.

Version:

1.0, 26.04.2016 by Gerrit Hohl

Author:

Gerrit Hohl (gerrit-hohl@users.sourceforge.net)

Field Summary

Fields inherited from interface net.sourceforge.javadpkg.DebianPackageConstants

CONFFILES_ENTRY, CONFIG_ENTRY, CONTROL_ENTRY, CONTROL_NAME, CONTROL_TAR_PREFIX, DATA_NAME, DATA_TAR_PREFIX, DEBIAN_BINARY, DIRECTORY_MODE, DOC_BASE_PATH, FILE_MODE, MD5SUMS_ENTRY, POSTINST_ENTRY, POSTRM_ENTRY, PREINST_ENTRY, PRERM_ENTRY, ROOT_GROUP_ID, ROOT_GROUP_NAME, ROOT_USER_ID, ROOT_USER_NAME, SCRIPT_MODE, SHLIBS_ENTRY, SYMBOLS_ENTRY, TAR_BZIP2_SUFFIX, TAR_GZIP_SUFFIX, TAR_XZ_SUFFIX, TEMPLATES_ENTRY, TRIGGERS_ENTRY, USR_PATH, USR_SHARE_PATH

Fields inherited from interface net.sourceforge.javadpkg.GlobalConstants

UTF_8, UTF_8_CHARSET

Constructor Summary

Constructors

Constructor and Description
DataStoreImpl() Creates a store.

Method Summary

Modifier and Type	Method and Description
void	addDirectory(String path) Adds a directory to the store.
void	addDirectory(String path, FileOwner owner, FileMode mode) Adds a directory to the store.
void	addFile(DataSource source, String path) Adds a file to the store.
void	addFile(DataSource source, String path, FileOwner owner, FileMode mode) Adds a file to the store.
void	addSymLink(String path, String target, FileOwner owner, FileMode mode) Adds a symbolic link to the store.
List<FileHash>	createFileHashes(MessageDigest digest) Creates the hashes for all files in the store using the specified digest.
boolean	exists(String path) Returns the flag if a directory or file with the specified path exists.
Size	getSize() Returns the size of all files added to the store.
void	write(org.apache.commons.compress.archivers.tar.TarArchiveOutputStream out) Writes the directories and files added to the store into a TAR archive using the specified stream.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DataStoreImpl

public DataStoreImpl()

Creates a store.

Method Detail

addDirectory

public void addDirectory(String path)

Description copied from interface: DataStore

Adds a directory to the store.

This method is equal to the method DataStore.addDirectory(String, FileOwner, FileMode) using the following values:

group ID	group name	user ID	user name	mode (octal)
0	root	0	root	0755

Specified by:

addDirectory in interface DataStore

Parameters:

path - The installation path.

addDirectory

public void addDirectory(String path,
                         FileOwner owner,
                         FileMode mode)

Description copied from interface: DataStore

Adds a directory to the store.

Specified by:

addDirectory in interface DataStore

Parameters:

path - The installation path.

owner - The owner.

mode - The mode.

addFile

public void addFile(DataSource source,
                    String path)

Description copied from interface: DataStore

Adds a file to the store.

This method is equal to the method DataStore.addFile(DataSource, String, FileOwner, FileMode) using the following values:

group ID	group name	user ID	user name	mode (octal)
0	root	0	root	0644

Specified by:

addFile in interface DataStore

Parameters:

source - The source for the context of the file.

path - The installation path.

addFile

public void addFile(DataSource source,
                    String path,
                    FileOwner owner,
                    FileMode mode)

Description copied from interface: DataStore

Adds a file to the store.

Specified by:

addFile in interface DataStore

Parameters:

source - The source for the content of the file.

path - The installation path.

owner - The owner.

mode - The mode.

addSymLink

public void addSymLink(String path,
                       String target,
                       FileOwner owner,
                       FileMode mode)

Description copied from interface: DataStore

Adds a symbolic link to the store.

Specified by:

addSymLink in interface DataStore

Parameters:

path - The installation path.

target - The target of the symbolic link.

owner - The owner.

mode - The mode.

exists

public boolean exists(String path)

Description copied from interface: DataStore

Returns the flag if a directory or file with the specified path exists.

Specified by:

exists in interface DataStore

Parameters:

path - The path.

Returns:

The flag: true, if the path exists, false otherwise.

getSize

public Size getSize()
             throws IOException

Description copied from interface: DataStore

Returns the size of all files added to the store.

Specified by:

getSize in interface DataStore

Returns:

The size.

Throws:

IOException - If an I/O error occurs.

write

public void write(org.apache.commons.compress.archivers.tar.TarArchiveOutputStream out)
           throws IOException

Description copied from interface: DataStore

Writes the directories and files added to the store into a TAR archive using the specified stream.

Specified by:

write in interface DataStore

Parameters:

out - The stream on the TAR archive.

Throws:

IOException - If an I/O error occurs.

createFileHashes

public List<FileHash> createFileHashes(MessageDigest digest)
                                throws IOException

Description copied from interface: DataStore

Creates the hashes for all files in the store using the specified digest.

Specified by:

createFileHashes in interface DataStore

Parameters:

digest - The digest.

Returns:

The hashes.

Throws:

IOException - If an I/O error occurs.