net.sf.bvalid.locator
Class CachingSchemaLocator

java.lang.Object
  net.sf.bvalid.locator.CachingSchemaLocator

All Implemented Interfaces:

SchemaLocator

public class CachingSchemaLocator
extends java.lang.Object
implements SchemaLocator

A SchemaLocator that automatically caches successfully-used schemas to an underlying catalog.

Author:

cwilper@cs.cornell.edu

Constructor Summary

CachingSchemaLocator(SchemaCatalog candidateCatalog, SchemaCatalog cacheCatalog, SchemaLocator locator)

Method Summary

java.io.InputStream	get(java.lang.String uri, boolean required) Get the content of the indicated schema.
void	successfullyUsed(java.lang.String uri) Notify the locator that the indicated schema was just used for a sucessful validation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CachingSchemaLocator

public CachingSchemaLocator(SchemaCatalog candidateCatalog,
                            SchemaCatalog cacheCatalog,
                            SchemaLocator locator)

Method Detail

get

public java.io.InputStream get(java.lang.String uri,
                               boolean required)
                        throws ValidatorException

Description copied from interface: SchemaLocator

Get the content of the indicated schema. If the schema is not found and required is false, return null. If the schema is not found and required is true, throw an exception.

Specified by:

get in interface SchemaLocator

Throws:

ValidatorException

successfullyUsed

public void successfullyUsed(java.lang.String uri)
                      throws ValidatorException

Description copied from interface: SchemaLocator

Notify the locator that the indicated schema was just used for a sucessful validation. This information is particularly useful for SchemaLocators that do caching. Other implementations may simply ignore the the message.

Specified by:

successfullyUsed in interface SchemaLocator

Throws:

ValidatorException