Java Doc for Extension.java in  » Web-Server » Rimfaxe-Web-Server » org » apache » catalina » loader » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Server » Rimfaxe Web Server » org.apache.catalina.loader 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.apache.catalina.loader.Extension

Extension
final public class Extension (Code)
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 R. McClanahan
version:
   $Revision: 1.4 $ $Date: 2001/07/22 20:25:10 $





Method Summary
public static  ListgetAvailable(Manifest manifest)
     Return the set of Extension objects representing optional packages that are available in the JAR file associated with the specified Manifest.
public  StringgetExtensionName()
    
public  StringgetImplementationURL()
    
public  StringgetImplementationVendor()
    
public  StringgetImplementationVendorId()
    
public  StringgetImplementationVersion()
    
public static  ListgetRequired(Manifest manifest)
     Return the set of Extension objects representing optional packages that are required by the application contained in the JAR file associated with the specified Manifest.
public  StringgetSpecificationVendor()
    
public  StringgetSpecificationVersion()
    
public  booleanisCompatibleWith(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.
public  voidsetExtensionName(String extensionName)
    
public  voidsetImplementationURL(String implementationURL)
    
public  voidsetImplementationVendor(String implementationVendor)
    
public  voidsetImplementationVendorId(String implementationVendorId)
    
public  voidsetImplementationVersion(String implementationVersion)
    
public  voidsetSpecificationVendor(String specificationVendor)
    
public  voidsetSpecificationVersion(String specificationVersion)
    
public  StringtoString()
     Return a String representation of this object.



Method Detail
getAvailable
public static List getAvailable(Manifest manifest)(Code)
Return the set of Extension objects representing optional packages that are available in the JAR file associated with the specified Manifest. If there are no such optional packages, a zero-length list is returned.
Parameters:
  manifest - Manifest to be parsed



getExtensionName
public String getExtensionName()(Code)



getImplementationURL
public String getImplementationURL()(Code)



getImplementationVendor
public String getImplementationVendor()(Code)



getImplementationVendorId
public String getImplementationVendorId()(Code)



getImplementationVersion
public String getImplementationVersion()(Code)



getRequired
public static List getRequired(Manifest manifest)(Code)
Return the set of Extension objects representing optional packages that are required by the application contained in the JAR file associated with the specified Manifest. If there are no such optional packages, a zero-length list is returned.
Parameters:
  manifest - Manifest to be parsed



getSpecificationVendor
public String getSpecificationVendor()(Code)



getSpecificationVersion
public String getSpecificationVersion()(Code)



isCompatibleWith
public boolean isCompatibleWith(Extension required)(Code)
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 - Description of the required optional package



setExtensionName
public void setExtensionName(String extensionName)(Code)



setImplementationURL
public void setImplementationURL(String implementationURL)(Code)



setImplementationVendor
public void setImplementationVendor(String implementationVendor)(Code)



setImplementationVendorId
public void setImplementationVendorId(String implementationVendorId)(Code)



setImplementationVersion
public void setImplementationVersion(String implementationVersion)(Code)



setSpecificationVendor
public void setSpecificationVendor(String specificationVendor)(Code)



setSpecificationVersion
public void setSpecificationVersion(String specificationVersion)(Code)



toString
public String toString()(Code)
Return a String representation of this object.



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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