org.springframework.core.io.support

## Class ResourcePatternUtils

- java.lang.Object
- - org.springframework.core.io.support.ResourcePatternUtils

-     public abstract class ResourcePatternUtils
      extends Object

  Utility class for determining whether a given URL is a resource location that can be loaded via a ResourcePatternResolver.

  Callers will usually assume that a location is a relative path if the `isUrl(String)` method returns `false`.

  Since:
    1.2.3
  Author:
    Juergen Hoeller

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `ResourcePatternUtils()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static ResourcePatternResolver` | `getResourcePatternResolver(ResourceLoader resourceLoader)` Return a default ResourcePatternResolver for the given ResourceLoader.
    `static boolean` | `isUrl(String resourceLocation)` Return whether the given resource location is a URL: either a special "classpath" or "classpath*" pseudo URL or a standard URL.

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### ResourcePatternUtils

          public ResourcePatternUtils()

  - ### Method Detail

    - #### isUrl

          public static boolean isUrl(String resourceLocation)

      Return whether the given resource location is a URL: either a special "classpath" or "classpath*" pseudo URL or a standard URL.
      Parameters:
        `resourceLocation` - the location String to check
      Returns:
        whether the location qualifies as a URL
      See Also:
        `ResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX`, `ResourceUtils.CLASSPATH_URL_PREFIX`, `ResourceUtils.isUrl(String)`, `URL`

    - #### getResourcePatternResolver

          public static ResourcePatternResolver getResourcePatternResolver(ResourceLoader resourceLoader)

      Return a default ResourcePatternResolver for the given ResourceLoader.

      This might be the ResourceLoader itself, if it implements the ResourcePatternResolver extension, or a PathMatchingResourcePatternResolver built on the given ResourceLoader.

      Parameters:
        `resourceLoader` - the ResourceLoader to build a pattern resolver for (may be `null` to indicate a default ResourceLoader)
      Returns:
        the ResourcePatternResolver
      See Also:
        `PathMatchingResourcePatternResolver`