org.apache.catalina.util
Class ExtensionValidator
java.lang.Object
   org.apache.catalina.util.ExtensionValidator
org.apache.catalina.util.ExtensionValidator
- public final class ExtensionValidator 
- extends java.lang.Object
Ensures that all extension dependies are resolved for a WEB application
 are met. This class builds a master list of extensions available to an
 applicaiton 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 | 
| 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(javax.naming.directory.DirContext dirContext,
                    StandardContext context)Runtime validation of a Web Applicaiton.
 | 
 
| Methods inherited from class java.lang.Object | 
| clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait | 
 
ExtensionValidator
public ExtensionValidator()
validateApplication
public static boolean validateApplication(javax.naming.directory.DirContext dirContext,
                                          StandardContext context)
                                   throws java.io.IOException
- Runtime validation of a Web Applicaiton.
 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 anArrayListofManifestResorce objects. These objects are then passed 
 to the validateManifestResources method for validation.
 
- 
- Parameters:
- dirContext- The JNDI root of the 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
 
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
 
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