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Java API for XML Processing Reference Implementation
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package com.sun.org.apache.xerces.internal.xni.parser;
import java.io.IOException;
import com.sun.org.apache.xerces.internal.xni.XNIException;
/**
* This interface defines a generic DTD scanner. This interface
* allows a scanner to be used interchangably in existing parser
* configurations.
*
* If the parser configuration uses a DTD scanner that implements
* this interface, components should be able to query the scanner
* instance from the component manager using the following property
* identifier:
*
* "http://apache.org/xml/properties/internal/dtd-scanner"
*
*
* @author Andy Clark, IBM
*
* @version $Id: XMLDTDScanner.java,v 1.6 2010-11-01 04:40:22 joehw Exp $
*/
public interface XMLDTDScanner
extends XMLDTDSource, XMLDTDContentModelSource {
//
// XMLDTDScanner methods
//
/**
* Sets the input source.
*
* @param inputSource The input source or null.
*
* @throws IOException Thrown on i/o error.
*/
public void setInputSource(XMLInputSource inputSource) throws IOException;
/**
* Scans the internal subset of the document.
*
* @param complete True if the scanner should scan the document
* completely, pushing all events to the registered
* document handler. A value of false indicates that
* that the scanner should only scan the next portion
* of the document and return. A scanner instance is
* permitted to completely scan a document if it does
* not support this "pull" scanning model.
* @param standalone True if the document was specified as standalone.
* This value is important for verifying certain
* well-formedness constraints.
* @param hasExternalSubset True if the document has an external DTD.
* This allows the scanner to properly notify
* the handler of the end of the DTD in the
* absence of an external subset.
*
* @return True if there is more to scan, false otherwise.
*/
public boolean scanDTDInternalSubset(boolean complete, boolean standalone,
boolean hasExternalSubset)
throws IOException, XNIException;
/**
* Scans the external subset of the document.
*
* @param complete True if the scanner should scan the document
* completely, pushing all events to the registered
* document handler. A value of false indicates that
* that the scanner should only scan the next portion
* of the document and return. A scanner instance is
* permitted to completely scan a document if it does
* not support this "pull" scanning model.
*
* @return True if there is more to scan, false otherwise.
*/
public boolean scanDTDExternalSubset(boolean complete)
throws IOException, XNIException;
} // interface XMLDTDScanner