Class Extension


  • public final class Extension
    extends Object
    Utility class that represents either an available "Optional Package" (formerly known as "Standard Extension") as described in the manifest of a JAR file, or the requirement for such an optional package. It is used to support the requirements of the Servlet Specification, version 2.3, related to providing shared extensions to all webapps.

    In addition, static utility methods are available to scan a manifest and return an array of either available or required optional modules documented in that manifest.

    For more information about optional packages, see the document Optional Package Versioning in the documentation bundle for your Java2 Standard Edition package, in file guide/extensions/versioning.html.

    Author:
    Craig McClanahan, Justyna Horwat, Greg Murray
    • Constructor Detail

      • Extension

        public Extension()
    • Method Detail

      • getExtensionName

        public String getExtensionName()
      • setExtensionName

        public void setExtensionName​(String extensionName)
      • getImplementationURL

        public String getImplementationURL()
      • setImplementationURL

        public void setImplementationURL​(String implementationURL)
      • getImplementationVendor

        public String getImplementationVendor()
      • setImplementationVendor

        public void setImplementationVendor​(String implementationVendor)
      • getImplementationVendorId

        public String getImplementationVendorId()
      • setImplementationVendorId

        public void setImplementationVendorId​(String implementationVendorId)
      • getImplementationVersion

        public String getImplementationVersion()
      • setImplementationVersion

        public void setImplementationVersion​(String implementationVersion)
      • getSpecificationVendor

        public String getSpecificationVendor()
      • setSpecificationVendor

        public void setSpecificationVendor​(String specificationVendor)
      • getSpecificationVersion

        public String getSpecificationVersion()
      • setSpecificationVersion

        public void setSpecificationVersion​(String specificationVersion)
      • setFulfilled

        public void setFulfilled​(boolean fulfilled)
      • isFulfilled

        public boolean isFulfilled()
      • isCompatibleWith

        public boolean isCompatibleWith​(Extension required)
        Return true if the specified Extension (which represents an optional package required by this application) is satisfied by this Extension (which represents an optional package that is already installed. Otherwise, return false.
        Parameters:
        required - Extension of the required optional package
        Returns:
        true if the extension is satisfied