Package io.extact.rms.platform.util

Class ResourceUtils

java.lang.Object

io.extact.rms.platform.util.ResourceUtils

public class ResourceUtils
extends Object

Class resource utility.

Constructor Summary

Constructors

Constructor	Description
ResourceUtils()

Method Summary

Modifier and Type	Method	Description
static String	extractFilePathStringOfUrl(URL resourceUrl)	Extract the character string of the Jar file path part from the resource URL in the jar.
static List<URL>	findResoucePathUnder(String targetDir)	Get the class resource under the path specified by the argument by URL.
static List<URL>	findResoucePathUnder(String targetDir, Predicate<Object> fileFilter, ClassLoader classLoader)	Get the class resource under the path specified by the argument by URL.
static File	toJarFileFromResourceUrl(URL resourceUrl)	Make a jar file on the file system based on the resource URL in the jar.

Methods inherited from class java.lang.Object

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

Constructor Details

ResourceUtils

public ResourceUtils()

Method Details

findResoucePathUnder

public static List<URL> findResoucePathUnder(String targetDir)
                                      throws IOException

Get the class resource under the path specified by the argument by URL. Search also inside the jar file.Also, if a file is specified in the argument path, the URL of the corresponding file is returned. The following usage example

 classpath-resources =>
     jar:file:/C:/foo/bar/baz.jar!/META-INF/MANIFEST.MF
     jar:file:/C:/foo/bar/baz.jar!/mpconfig/a.properties
     jar:file:/C:/foo/bar/baz.jar!/mpconfig/b.properties
     file:/C:/for/bar/target/classes/message.properties
     file:/C:/for/bar/target/classes/mpconfig/c.text
 targetDir => mpconfig
 return url =>
     jar:file:/C:/foo/bar/baz.jar!/mpconfig/a.properties
     jar:file:/C:/foo/bar/baz.jar!/mpconfig/b.properties
     file:/C:/for/bar/target/classes/mpconfig/c.text
 

Parameters:

targetDir - Path to search for resources. Do not add `/` at the beginning

Returns:

URL of the target resource. Returns an empty list if not applicable.

Throws:

IOException - IO error occurs.

findResoucePathUnder

public static List<URL> findResoucePathUnder(String targetDir,
 Predicate<Object> fileFilter,
 ClassLoader classLoader)
                                      throws IOException

Get the class resource under the path specified by the argument by URL.

Throws:

IOException

See Also:

• findResoucePathUnder(String)

toJarFileFromResourceUrl

public static File toJarFileFromResourceUrl(URL resourceUrl)

Make a jar file on the file system based on the resource URL in the jar.

Parameters:

resourceUrl - Resource URL in the jar.

Returns:

File object in jar.

extractFilePathStringOfUrl

public static String extractFilePathStringOfUrl(URL resourceUrl)

Extract the character string of the Jar file path part from the resource URL in the jar.

Parameters:

resourceUrl - Resource URL in the jar.

Returns:

String of FilePath.