org.apache.xml.utils

## Class SystemIDResolver

- java.lang.Object
- - org.apache.xml.utils.SystemIDResolver

-     public class SystemIDResolver
      extends java.lang.Object

  This class is used to resolve relative URIs and SystemID strings into absolute URIs.

  This is a generic utility for resolving URIs, other than the fact that it's declared to throw TransformerException. Please see code comments for details on how resolution is performed.

  Usage:
    **For internal use only**

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `SystemIDResolver()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static java.lang.String` | `getAbsoluteURI(java.lang.String systemId)` Take a SystemID string and try to turn it into a good absolute URI.
    `static java.lang.String` | `getAbsoluteURI(java.lang.String urlString, java.lang.String base)` Take a SystemID string and try to turn it into a good absolute URI.
    `static java.lang.String` | `getAbsoluteURIFromRelative(java.lang.String localPath)` Get an absolute URI from a given relative URI (local path).
    `static boolean` | `isAbsolutePath(java.lang.String systemId)` Return true if the local path is an absolute path.
    `static boolean` | `isAbsoluteURI(java.lang.String systemId)` Return true if the systemId denotes an absolute URI .

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

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

- - ### Constructor Detail

    - #### SystemIDResolver

          public SystemIDResolver()

  - ### Method Detail

    - #### getAbsoluteURIFromRelative

          public static java.lang.String getAbsoluteURIFromRelative(java.lang.String localPath)

      Get an absolute URI from a given relative URI (local path).

      The relative URI is a local filesystem path. The path can be absolute or relative. If it is a relative path, it is resolved relative to the system property "user.dir" if it is available; if not (i.e. in an Applet perhaps which throws SecurityException) then we just return the relative path. The space and backslash characters are also replaced to generate a good absolute URI.

      Parameters:
        `localPath` - The relative URI to resolve
      Returns:
        Resolved absolute URI

    - #### isAbsoluteURI

          public static boolean isAbsoluteURI(java.lang.String systemId)

      Return true if the systemId denotes an absolute URI .
      Parameters:
        `systemId` - The systemId string
      Returns:
        true if the systemId is an an absolute URI

    - #### isAbsolutePath

          public static boolean isAbsolutePath(java.lang.String systemId)

      Return true if the local path is an absolute path.
      Parameters:
        `systemId` - The path string
      Returns:
        true if the path is absolute

    - #### getAbsoluteURI

          public static java.lang.String getAbsoluteURI(java.lang.String systemId)

      Take a SystemID string and try to turn it into a good absolute URI.
      Parameters:
        `systemId` - A URI string, which may be absolute or relative.
      Returns:
        The resolved absolute URI

    - #### getAbsoluteURI

          public static java.lang.String getAbsoluteURI(java.lang.String urlString,
                                        java.lang.String base)
                                                 throws TransformerException

      Take a SystemID string and try to turn it into a good absolute URI.
      Parameters:
        `urlString` - SystemID string
        `base` - The URI string used as the base for resolving the systemID
      Returns:
        The resolved absolute URI
      Throws:
        `TransformerException` - thrown if the string can't be turned into a URI.

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