com.bea.dsp.management.primitives
Class PersistencePrimitives

java.lang.Object
  com.bea.dsp.management.primitives.PersistencePrimitives

public abstract class PersistencePrimitives
extends java.lang.Object

Exclude:

Field Summary

static java.lang.String	DOT_DSP
static java.lang.String	DSP_INF
static java.lang.String	LIB

Constructor Summary

PersistencePrimitives()

Method Summary

static java.util.Set<java.lang.String>	detectProjects(java.io.File appRoot) Collects the names of the folders under the given directory that correspond to DSP projects.
static void	persistBinaryContent(java.io.InputStream in, java.lang.String absoluteFilePath) Persists the specified binary content in the specified file.
static void	safeDelete(java.io.File f) Deletes a file or folder and all its contents, first checking if the file or folder exists.
static void	safeDeleteContents(java.io.File f) Deletes all contents of a given folder if it exists.

Methods inherited from class java.lang.Object

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

Field Detail

DSP_INF

public static final java.lang.String DSP_INF

See Also:

Constant Field Values

LIB

public static final java.lang.String LIB

See Also:

Constant Field Values

DOT_DSP

public static final java.lang.String DOT_DSP

See Also:

Constant Field Values

Constructor Detail

PersistencePrimitives

public PersistencePrimitives()

Method Detail

detectProjects

public static java.util.Set<java.lang.String> detectProjects(java.io.File appRoot)

Collects the names of the folders under the given directory that correspond to DSP projects.

The detection is based on the presence of the folder: "META-INF/.liquiddata".

Parameters:

appRoot - The application root

Returns:

A set containing the names of the DSP projects. An empty set if no such project is found.

persistBinaryContent

public static void persistBinaryContent(java.io.InputStream in,
                                        java.lang.String absoluteFilePath)
                                 throws java.io.IOException

Persists the specified binary content in the specified file. If the file already exists it will be overwritten.

Parameters:

in -

absoluteFilePath -

Throws:

java.io.IOException

safeDelete

public static void safeDelete(java.io.File f)

Deletes a file or folder and all its contents, first checking if the file or folder exists.

Parameters:

a - file or folder

safeDeleteContents

public static void safeDeleteContents(java.io.File f)

Deletes all contents of a given folder if it exists.

Parameters:

f - Must be a folder.