net.axyana.qizxopen.dm
Class DocumentManager

java.lang.Object
  net.axyana.qizxopen.dm.DocumentParser
      net.axyana.qizxopen.dm.DocumentManager

public class DocumentManager

extends DocumentParser

Provides access to the data-model of XML documents.

Resolves the URI of a document and parses it or opens it according to its representation.

Parsed documents are managed in a cache with configurable size (see setCacheSize(long)).

Supports XML catalogs through Norman Walsh's com.sun.resolver.tools.CatalogResolver.

Field Summary

Fields inherited from class net.axyana.qizxopen.dm.DocumentParser

RESOLVER_CLASS, RESOLVER_CLASS_PROP

Constructor Summary

DocumentManager(java.lang.String baseURI)
Creation with a single base location.

DocumentManager(java.net.URL baseURL)
Creation with a single base location.

Method Summary

FONIDocument	findDocument(java.lang.String uri) Cached access by URI.
Node	findDocumentNode(java.lang.String uri) Cached access by URI.
java.net.URL	getBaseURL() Returns the current base URL.
void	setBaseURL(java.net.URL baseURL)
void	setCacheSize(long size) Defines the maximal memory size of the document cache.

Methods inherited from class net.axyana.qizxopen.dm.DocumentParser

newParser, parse, parseDocument, parseDocument, parseDocument, parseDocument

Methods inherited from class java.lang.Object

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

Constructor Detail

DocumentManager

public DocumentManager(java.net.URL baseURL)

Creation with a single base location.

Parameters:

baseURL - the base URL used for resolving a relative document URI. For parsed documents, any Java-supported URL is suitable.

DocumentManager

public DocumentManager(java.lang.String baseURI)
                throws java.io.IOException

Creation with a single base location.

Method Detail

setCacheSize

public void setCacheSize(long size)

Defines the maximal memory size of the document cache. This size is otherwise defined by the system property "net.axyana.qizxopen.docman.cachesize".

Parameters:

size - in bytes (hint).

getBaseURL

public java.net.URL getBaseURL()

Returns the current base URL.

setBaseURL

public void setBaseURL(java.net.URL baseURL)

findDocumentNode

public Node findDocumentNode(java.lang.String uri)
                      throws DataModelException

Cached access by URI.

Returns:

the root node (or document node) of the document.

Throws:

DataModelException

findDocument

public FONIDocument findDocument(java.lang.String uri)
                          throws DataModelException

Cached access by URI.

Throws:

DataModelException