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org.apache.xml.resolver.tools
Class CatalogResolver  

java.lang.Object
  org.apache.xml.resolver.tools.CatalogResolver

All Implemented Interfaces:

org.xml.sax.EntityResolver, javax.xml.transform.URIResolver

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public class CatalogResolver

extends java.lang.Object

implements org.xml.sax.EntityResolver, javax.xml.transform.URIResolver

A SAX EntityResolver/JAXP URIResolver that uses catalogs.

This class implements both a SAX EntityResolver and a JAXP URIResolver.

This resolver understands OASIS TR9401 catalogs, XCatalogs, and the current working draft of the OASIS Entity Resolution Technical Committee specification.

Version:

1.0

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Field Summary
private  org.apache.xml.resolver.Catalog	catalog           The underlying catalog
private  org.apache.xml.resolver.CatalogManager	catalogManager           The catalog manager
boolean	namespaceAware           Make the parser Namespace aware?
boolean	validating           Make the parser validating?

 

Constructor Summary

CatalogResolver()           Constructor

CatalogResolver(boolean privateCatalog)           Constructor

CatalogResolver(org.apache.xml.resolver.CatalogManager manager)           Constructor

 

Method Summary
org.apache.xml.resolver.Catalog	getCatalog()           Return the underlying catalog
java.lang.String	getResolvedEntity(java.lang.String publicId, java.lang.String systemId)           Implements the guts of the resolveEntity method for the SAX interface.
private  void	initializeCatalogs(boolean privateCatalog)           Initialize catalog
private  java.lang.String	makeAbsolute(java.lang.String uri)           Attempt to construct an absolute URI
javax.xml.transform.Source	resolve(java.lang.String href, java.lang.String base)           JAXP URIResolver API
org.xml.sax.InputSource	resolveEntity(java.lang.String publicId, java.lang.String systemId)           Implements the resolveEntity method for the SAX interface.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

namespaceAware

public boolean namespaceAware

Make the parser Namespace aware?

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validating

public boolean validating

Make the parser validating?

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catalog

private org.apache.xml.resolver.Catalog catalog

The underlying catalog

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catalogManager

private org.apache.xml.resolver.CatalogManager catalogManager

The catalog manager

Constructor Detail

CatalogResolver

public CatalogResolver()

Constructor

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CatalogResolver

public CatalogResolver(boolean privateCatalog)

Constructor

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CatalogResolver

public CatalogResolver(org.apache.xml.resolver.CatalogManager manager)

Constructor

Method Detail

initializeCatalogs

private void initializeCatalogs(boolean privateCatalog)

Initialize catalog

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getCatalog

public org.apache.xml.resolver.Catalog getCatalog()

Return the underlying catalog

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getResolvedEntity

public java.lang.String getResolvedEntity(java.lang.String publicId,
                                          java.lang.String systemId)

Implements the guts of the resolveEntity method for the SAX interface.

Presented with an optional public identifier and a system identifier, this function attempts to locate a mapping in the catalogs.

If such a mapping is found, it is returned. If no mapping is found, null is returned.

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resolveEntity

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

Implements the resolveEntity method for the SAX interface.

Presented with an optional public identifier and a system identifier, this function attempts to locate a mapping in the catalogs.

If such a mapping is found, the resolver attempts to open the mapped value as an InputSource and return it. Exceptions are ignored and null is returned if the mapped value cannot be opened as an input source.

If no mapping is found (or an error occurs attempting to open the mapped value as an input source), null is returned and the system will use the specified system identifier as if no entityResolver was specified.

Specified by:

resolveEntity in interface org.xml.sax.EntityResolver

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resolve

public javax.xml.transform.Source resolve(java.lang.String href,
                                          java.lang.String base)
                                   throws javax.xml.transform.TransformerException

JAXP URIResolver API

Specified by:

resolve in interface javax.xml.transform.URIResolver

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makeAbsolute

private java.lang.String makeAbsolute(java.lang.String uri)

Attempt to construct an absolute URI

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