Package com.norconex.commons.lang.jar

Class JarCopier

java.lang.Object

com.norconex.commons.lang.jar.JarCopier

public class JarCopier
extends Object

Performs a version-sensitive copy a Jar file or directory containing Jar files over to another directory. When in interactive mode, the user will be prompted to decide how to handle duplicate Jars. Interactive mode requires this application to be run from a command prompt.

Since:

1.10.0

Author:

Pascal Essiembre

Field Summary

Fields

Modifier and Type	Field	Description
static int	STRATEGY_DELETE_COPY	Copy source Jar only if greater or same version as target Jar after deleting target Jar.
static int	STRATEGY_INTERACTIVE	Interactive, let the user chose (requires execution on command prompt).
static int	STRATEGY_NO_COPY	Do not copy source Jar (leave target Jar as is).
static int	STRATEGY_PLAIN_COPY	Copy source Jar regardless of target Jar (may overwrite or cause mixed versions).
static int	STRATEGY_RENAME_COPY	Copy source Jar only if greater or same version as target Jar after renaming target Jar (.bak-[timestamp]).

Constructor Summary

Constructors

Constructor	Description
JarCopier()	Constructor.
JarCopier(int strategy)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	copyJarDirectory(File fromJarDirectory, File toJarDirectory)	Copies Jars from a source directory to a target one taking into consideration Jar versions.
void	copyJarDirectory(String fromJarDirectory, String toJarDirectory)	Copies Jars from a source directory to a target one taking into consideration Jar versions.
void	copyJarFile(File sourceJarFile, File toDirectory)	Copies a single Jar to a target directory, taking into consideration Jar versions.
void	copyJarFile(String sourceJarFile, String toDirectory)	Copies a single Jar to a target directory, taking into consideration Jar versions.
int	getStrategy()	Gets the strategy used when encountering duplicates or version conflicts.
static void	main(String[] args)

Methods inherited from class java.lang.Object

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

Field Detail

STRATEGY_RENAME_COPY

public static final int STRATEGY_RENAME_COPY

Copy source Jar only if greater or same version as target Jar after renaming target Jar (.bak-[timestamp]).

See Also:

Constant Field Values

STRATEGY_DELETE_COPY

public static final int STRATEGY_DELETE_COPY

Copy source Jar only if greater or same version as target Jar after deleting target Jar.

See Also:

Constant Field Values

STRATEGY_NO_COPY

public static final int STRATEGY_NO_COPY

Do not copy source Jar (leave target Jar as is).

See Also:

Constant Field Values

STRATEGY_PLAIN_COPY

public static final int STRATEGY_PLAIN_COPY

Copy source Jar regardless of target Jar (may overwrite or cause mixed versions).

See Also:

Constant Field Values

STRATEGY_INTERACTIVE

public static final int STRATEGY_INTERACTIVE

Interactive, let the user chose (requires execution on command prompt).

See Also:

Constant Field Values

Constructor Detail

JarCopier

public JarCopier()

Constructor. Only source Jars with greater or equal versions than their existing target will be copied over, and conflicting Jars will be renamed in the target directory (suffixed with .bak-[timestamp]). Same as invoking JarCopier(int) with STRATEGY_RENAME_COPY.

JarCopier

public JarCopier(int strategy)

Constructor.

Parameters:

strategy - the strategy to use when encountering duplicates/conflicts

Method Detail

getStrategy

public int getStrategy()

Gets the strategy used when encountering duplicates or version conflicts.

Returns:

strategy id

copyJarDirectory

public void copyJarDirectory(String fromJarDirectory,
                             String toJarDirectory)
                      throws IOException

Copies Jars from a source directory to a target one taking into consideration Jar versions.

Parameters:

fromJarDirectory - directory to copy Jars from

toJarDirectory - directory to copy Jars to

Throws:

IOException - problem copying files

copyJarDirectory

public void copyJarDirectory(File fromJarDirectory,
                             File toJarDirectory)
                      throws IOException

Copies Jars from a source directory to a target one taking into consideration Jar versions.

Parameters:

fromJarDirectory - directory to copy Jars from

toJarDirectory - directory to copy Jars to

Throws:

IOException - problem copying files

copyJarFile

public void copyJarFile(String sourceJarFile,
                        String toDirectory)
                 throws IOException

Copies a single Jar to a target directory, taking into consideration Jar versions.

Parameters:

sourceJarFile - the Jar file to copy

toDirectory - directory to copy the jar into

Throws:

IOException - problem copying files

copyJarFile

public void copyJarFile(File sourceJarFile,
                        File toDirectory)
                 throws IOException

Copies a single Jar to a target directory, taking into consideration Jar versions.

Parameters:

sourceJarFile - the Jar file to copy

toDirectory - directory to copy the jar into

Throws:

IOException - problem copying files

main

public static void main(String[] args)
                 throws IOException

Throws:

IOException