Package org.goplanit.utils.resource

Class ResourceUtils

  • public class ResourceUtils
extends Object
    Utilities to access resources in the Java environment
    Author:
    markr

    • Constructor Detail

      • ResourceUtils

        public ResourceUtils()

    • Method Detail

      • getResourceUrl

        public static URL getResourceUrl​(String resourceLocation)
        find the resource URL via this class' classloader. The resource location is expected to be a (relative) path with forward slashes. If the provided path contains backward slashes, these will be replaced to avoid issues
        Parameters:
        resourceLocation - to find URL for
        Returns:
        the URL of the resource

      • getResourceUrl

        public static URL getResourceUrl​(Path resourceLocation)
        find the resource URL via this class' classloader. The resource location is expected to be a (relative) path with forward slashes. If the provided path contains backward slashes, these will be replaced to avoid issues
        Parameters:
        resourceLocation - to find URL for
        Returns:
        the URL of the resource

      • getResourceUri

        public static URI getResourceUri​(String resourceLocation)
        find the resource URI via this class' class loader
        Parameters:
        resourceLocation - to find URI for
        Returns:
        the URI of the resource

      • getJarFileSystem

        public static FileSystem getJarFileSystem​(URI uri)
                                   throws IOException
        Collect the jar as a FileSystem to access its internals
        Parameters:
        uri - to use
        Returns:
        FileSystem of Jar
        Throws:
        IOException - thrown if error

      • getResourceAsStream

        public static InputStream getResourceAsStream​(String resourceLocation)
        Collect a resource as a stream based on provided location
        Parameters:
        resourceLocation - to use
        Returns:
        input stream

      • getResourceAsInputStreamReader

        public static InputStreamReader getResourceAsInputStreamReader​(URI uri)
        Collect a resource input stream reader, which is either file based or not depending whether or not the resource is located in a jar or not
        Parameters:
        uri - to deduce whether or not this resource resides within a jar or not, which drives the type of input reader that is to be created, if null we attempt to create it using the resourceLocation
        Returns:
        input stream reader created, or null if something happened

      • getResourceAsInputStream

        public static InputStream getResourceAsInputStream​(URI uri)
        Collect a resource input stream, which is either file based or not depending whether or not the resource is located in a jar or not
        Parameters:
        uri - to deduce whether or not this resource resides within a jar or not, which drives the type of input reader that is to be created, if null we attempt to create it using the resourceLocation
        Returns:
        input stream reader created, or null if something happened