SchemaResolver (Apache Tomcat 6.0.53 API Documentation)

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org.apache.catalina.util
Class SchemaResolver

java.lang.Object
  org.apache.catalina.util.SchemaResolver

All Implemented Interfaces:: org.xml.sax.EntityResolver

public class SchemaResolver
extends java.lang.Object
implements org.xml.sax.EntityResolver
extends java.lang.Object
implements org.xml.sax.EntityResolver

This class implements a local SAX's EntityResolver. All DTDs and schemas used to validate the web.xml file will re-directed to a local file stored in the servlet-api.jar and jsp-api.jar.

Author:: Jean-Francois Arcand

Field Summary
`protected Digester`	`digester` The disgester instance for which this class is the entity resolver.
`protected java.util.HashMap`	`entityValidator` The URLs of dtds and schemas that have been registered, keyed by the public identifier that corresponds.
`protected java.lang.String`	`publicId` The public identifier of the DTD we are currently parsing under (if any).
`protected java.lang.String`	`schemaExtension` Extension to make the difference between DTD and Schema.

Constructor Summary
`SchemaResolver(Digester digester)` Create a new `EntityResolver` that will redirect all remote dtds and schema to a locat destination.

Method Summary
`void`	`register(java.lang.String publicId, java.lang.String entityURL)` Register the specified DTD/Schema URL for the specified public identifier.
`org.xml.sax.InputSource`	`resolveEntity(java.lang.String publicId, java.lang.String systemId)` Resolve the requested external entity.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

digester

protected Digester digester

The disgester instance for which this class is the entity resolver.

entityValidator

protected java.util.HashMap entityValidator

The URLs of dtds and schemas that have been registered, keyed by the public identifier that corresponds.

publicId

protected java.lang.String publicId

The public identifier of the DTD we are currently parsing under (if any).

schemaExtension

protected java.lang.String schemaExtension

Extension to make the difference between DTD and Schema.

Constructor Detail

SchemaResolver

public SchemaResolver(Digester digester)

Create a new EntityResolver that will redirect all remote dtds and schema to a locat destination.

Parameters:: digester - The digester instance.

Method Detail

register

public void register(java.lang.String publicId,
                     java.lang.String entityURL)

Register the specified DTD/Schema URL for the specified public identifier. This must be called before the first call to parse(). When adding a schema file (*.xsd), only the name of the file will get added. If two schemas with the same name are added, only the last one will be stored.

Parameters:: publicId - Public identifier of the DTD to be resolved; entityURL - The URL to use for reading this DTD

resolveEntity

public org.xml.sax.InputSource resolveEntity(java.lang.String publicId,
                                             java.lang.String systemId)
                                      throws org.xml.sax.SAXException

Resolve the requested external entity.

Specified by:: resolveEntity in interface org.xml.sax.EntityResolver

Parameters:: publicId - The public identifier of the entity being referenced; systemId - The system identifier of the entity being referenced
Throws:: org.xml.sax.SAXException - if a parsing exception occurs