net.leanix.dropkit.util

Class SearchPathUtil

java.lang.Object

net.leanix.dropkit.util.SearchPathUtil

public class SearchPathUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
SearchPathUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static String	findPath(String... paths) Convenient class to find the first existing resource.
static byte[]	getBytes(String... paths) Reads bytes from resource.
static boolean	isTempSystemFile(String fileName)
static File[]	listFiles(File dir, String wildcardMatcher)
static Properties	loadProperties(String... path)
static InputStream	openStream(String... paths) Searches for resources in a) classpath or (prefix classpath:) b) the local file system (no prefix) When the first resource is found, an InputStream will be returned.

Methods inherited from class java.lang.Object

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

Constructor Detail

SearchPathUtil

public SearchPathUtil()

Method Detail

openStream

public static InputStream openStream(String... paths)
                              throws FileNotFoundException

Searches for resources in

• a) classpath or (prefix classpath:)
• b) the local file system (no prefix)

When the first resource is found, an InputStream will be returned.

 EG:
   byte[] bCP = SearchPathUtil.getBytes("classpath:/html/generic/Welcome.html")
   byte[] bFS = SearchPathUtil.getBytes("src/main/resources/html/generic/Welcome.html")
 

Parameters:

paths - At least one resource location which can be a location within the classpath or a the local file system.

Returns:

A InputStream to the first found resource.

Throws:

FileNotFoundException

getBytes

public static byte[] getBytes(String... paths)
                       throws IOException

Reads bytes from resource. Analog to openStream(String...).

Parameters:

paths - At least one or more locations of the resource.

Returns:

The content of resource as byte array.

Throws:

IOException

findPath

public static String findPath(String... paths)

Convenient class to find the first existing resource.

Parameters:

paths - At least one or more locations of the resource.

Returns:

The first found resource location.

Throws:

IllegalArgumentException - If no resource is available.

loadProperties

public static Properties loadProperties(String... path)
                                 throws IOException

Throws:

IOException

listFiles

public static File[] listFiles(File dir,
               String wildcardMatcher)

isTempSystemFile

public static boolean isTempSystemFile(String fileName)