XMLParser.EntityResolver

java.lang.Object
- ptolemy.data.expr.XMLParser.EntityResolver

All Implemented Interfaces:

org.xml.sax.EntityResolver

Enclosing class:

XMLParser
```
public static class XMLParser.EntityResolver
extends java.lang.Object
implements org.xml.sax.EntityResolver
```
The entity resolver that tries to first load a DTD file locally, and if it is not found, looks for it on the Internet using the DTD file's system ID. The DTD file, as well as its version, is uniquely identified by its public ID.

Since:

Ptolemy II 4.0

Version:

$Id$

Author:

Thomas Feng

Pt.AcceptedRating:

Red (tfeng)

Pt.ProposedRating:

Green (tfeng)

Constructor Summary

Constructors
Constructor Description

EntityResolver()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`org.xml.sax.InputSource`	`resolveEntity(java.lang.String publicId, java.lang.String systemId)`	Resolve an entity (a DTD file) by first looking for it locally.

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

- Constructor Detail
  - EntityResolver
```
public EntityResolver()
```
- Method Detail
  - resolveEntity
```
public org.xml.sax.InputSource resolveEntity(java.lang.String publicId,
                                             java.lang.String systemId)
```
    Resolve an entity (a DTD file) by first looking for it locally. If it is not found locally, this resolver tries to grab it from the Internet using its systemId.
    
    Specified by:
    
    resolveEntity in interface org.xml.sax.EntityResolver
    
    Parameters:
    
    publicId - The public ID of the entity, for example, "-//UC Berkeley//DTD MoML 1//EN" for Ptolemy MoML 1.0.
    
    systemId - The system ID of the entity, for example, "http://ptolemy.eecs.berkeley.edu/xml/dtd/MoML_1.dtd".
    
    Returns:
    
    The input source that contains the content of the DTD, or null if it cannot be loaded either locally or from the Internet.