org.jrebirth.af.core.util

Class ClasspathUtility

java.lang.Object

org.jrebirth.af.core.util.ClasspathUtility

All Implemented Interfaces:

MessageContainer, UtilMessages

public final class ClasspathUtility
extends Object
implements UtilMessages

The class ClassUtility. Some Useful class utilities to perform introspection.

Author:

Sébastien Bordes

Field Summary

Fields

Modifier and Type	Field and Description
private static String	CLASSPATH The classpath of the current java executable or current folder if not defined.
private static String	CLASSPATH_SEPARATOR String to separate all classpath entries.
private static JRLogger	LOGGER The class logger.
static String	SEPARATOR The separator used for serialization.

Fields inherited from interface org.jrebirth.af.core.util.UtilMessages

ARGUMENT_DETAIL, ARGUMENT_LIST, BAD_CANONICAL_PATH, BROKEN_API_NO_METHOD, BROKEN_API_WRONG_PARAMETERS, BROKEN_WAVE_BAD_ITEM_LIST, BROKEN_WAVE_SENT, CANT_READ_CACHED_JAR_FILE, FILE_UNREADABLE, GENERIC_TYPE_ERROR_1, GENERIC_TYPE_ERROR_2, NO_ANNOTATION_PROPERTY, NO_ANNOTATION_PROPERTY_VALUE, NO_CONSTRUCTOR, PARSE_CACHED_JAR_FILE, RESOURCE_IGNORED, USE_DEFAULT_CLASSLOADER, USE_JNLP_CLASSLOADER, WAVE_HANDLER_METHOD_REQUIRED

Constructor Summary

Constructors

Modifier	Constructor and Description
private	ClasspathUtility() Private Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
private static void	checkResource(List<String> resources, Pattern searchPattern, String resourceName) Check if the resource match the regex.
static Collection<String>	getClasspathResources(Pattern searchPattern) Retrieve all resources that match the search pattern from the java.class.path.
private static List<String>	getResources(String classpathEntryPath, Pattern searchPattern, boolean cachedJar) Search all files that match the given Regex pattern.
private static List<String>	getResourcesFromDirectory(File directory, Pattern searchPattern) Browse a directory to search resources that match the pattern.
private static List<String>	getResourcesFromJarOrZipFile(File jarOrZipFile, Pattern searchPattern) Browse the jar content to search resources that match the pattern.
private static boolean	hasJavaWebstartLibrary() Check that javaws.jar is accessible.
static InputStream	loadInputStream(String custConfFileName) TRy to load a custom resource file.

Methods inherited from class java.lang.Object

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

Field Detail

SEPARATOR

public static final String SEPARATOR

The separator used for serialization.

See Also:

Constant Field Values

LOGGER

private static final JRLogger LOGGER

The class logger.

CLASSPATH

private static final String CLASSPATH

The classpath of the current java executable or current folder if not defined.

CLASSPATH_SEPARATOR

private static final String CLASSPATH_SEPARATOR

String to separate all classpath entries.

Constructor Detail

ClasspathUtility

private ClasspathUtility()

Private Constructor.

Method Detail

getClasspathResources

public static Collection<String> getClasspathResources(Pattern searchPattern)

Retrieve all resources that match the search pattern from the java.class.path.

Parameters:

searchPattern - the pattern used to filter all matching files

Returns:

Sorted list of resources that match the pattern

hasJavaWebstartLibrary

private static boolean hasJavaWebstartLibrary()

Check that javaws.jar is accessible.

Returns:

true if javaws.jar is accessible

getResources

private static List<String> getResources(String classpathEntryPath,
                        Pattern searchPattern,
                        boolean cachedJar)

Search all files that match the given Regex pattern.

Parameters:

classpathEntryPath - the root folder used for search

searchPattern - the regex pattern used as a filter

cachedJar - is a jar cached by Java Webstart without any extension

Returns:

list of resources that match the pattern

getResourcesFromDirectory

private static List<String> getResourcesFromDirectory(File directory,
                                     Pattern searchPattern)

Browse a directory to search resources that match the pattern.

Parameters:

directory - the root directory to browse

searchPattern - the regex pattern used as a filter

Returns:

list of resources that match the pattern

getResourcesFromJarOrZipFile

private static List<String> getResourcesFromJarOrZipFile(File jarOrZipFile,
                                        Pattern searchPattern)

Browse the jar content to search resources that match the pattern.

Parameters:

jarOrZipFile - the jar to explore

searchPattern - the regex pattern used as a filter

Returns:

list of resources that match the pattern

checkResource

private static void checkResource(List<String> resources,
                 Pattern searchPattern,
                 String resourceName)

Check if the resource match the regex.

Parameters:

resources - the list of found resources

searchPattern - the regex pattern

resourceName - the resource to check and to add

loadInputStream

public static InputStream loadInputStream(String custConfFileName)

TRy to load a custom resource file.

Parameters:

custConfFileName - the custom resource file to load

Returns:

the load input stream