import com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator; //导入依赖的package包/类
/**
 * Constructs a parser configuration using the specified symbol table,
 * grammar pool, and parent settings.
 * <p>
 * <strong>REVISIT:</strong>
 * Grammar pool will be updated when the new validation engine is
 * implemented.
 *
 * @param symbolTable    The symbol table to use.
 * @param grammarPool    The grammar pool to use.
 * @param parentSettings The parent settings.
 */
public IntegratedParserConfiguration(SymbolTable symbolTable,
                                     XMLGrammarPool grammarPool,
                                     XMLComponentManager parentSettings) {
    super(symbolTable, grammarPool, parentSettings);

    // create components
    fNonNSScanner = new XMLDocumentScannerImpl();
    fNonNSDTDValidator = new XMLDTDValidator();

    // add components
    addComponent((XMLComponent)fNonNSScanner);
    addComponent((XMLComponent)fNonNSDTDValidator);

}
 

import com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator; //导入依赖的package包/类
/** Create a DTD validator. */
protected XMLDTDValidator createDTDValidator() {
    return new XMLDTDValidator();
}
 

import com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator; //导入依赖的package包/类
/** Create a DTD validator: this validator performs namespace binding.
  */
protected XMLDTDValidator createDTDValidator() {
    return new XMLNSDTDValidator();
}