Package org.apache.catalina.util

Class ExtensionValidator

  • public final class ExtensionValidator
extends java.lang.Object
    Ensures that all extension dependencies are resolved for a WEB application are met. This class builds a list of extensions available to an application and then validates those extensions. See http://docs.oracle.com/javase/1.4.2/docs/guide/extensions/spec.html for a detailed explanation of the extension mechanism in Java.
    Author:
    Greg Murray, Justyna Horwat

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void addSystemResource​(java.io.File jarFile)
      Checks to see if the given system JAR file contains a MANIFEST, and adds it to the container's manifest resources.
      static boolean validateApplication​(WebResourceRoot resources, Context context)
      Runtime validation of a Web Application.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • ExtensionValidator

        public ExtensionValidator()

    • Method Detail

      • validateApplication

        public static boolean validateApplication​(WebResourceRoot resources,
                                          Context context)
                                   throws java.io.IOException
        Runtime validation of a Web Application. This method uses JNDI to look up the resources located under a DirContext. It locates Web Application MANIFEST.MF file in the /META-INF/ directory of the application and all MANIFEST.MF files in each JAR file located in the WEB-INF/lib directory and creates an ArrayList of ManifestResource objects. These objects are then passed to the validateManifestResources method for validation.
        Parameters:
        resources - The resources configured for this Web Application
        context - The context from which the Logger and path to the application
        Returns:
        true if all required extensions satisfied
        Throws:
        java.io.IOException - Error reading resources needed for validation

      • addSystemResource

        public static void addSystemResource​(java.io.File jarFile)
                              throws java.io.IOException
        Checks to see if the given system JAR file contains a MANIFEST, and adds it to the container's manifest resources.
        Parameters:
        jarFile - The system JAR whose manifest to add
        Throws:
        java.io.IOException - Error reading JAR file