ExtensionValidator (Apache Tomcat 7.0.67 API Documentation)

Apache Tomcat 7.0.67

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java.lang.Object
- org.apache.catalina.util.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 master 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

Constructor Summary

Constructors
Constructor and Description

ExtensionValidator()

Method Summary

Methods
Modifier and Type	Method and 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(javax.naming.directory.DirContext dirContext, 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(javax.naming.directory.DirContext dirContext,
                          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 ManifestResorce 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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