import com.sun.org.apache.xerces.internal.xni.XMLDocumentHandler; //导入依赖的package包/类
/**
 * Re-configures pipeline by removing the DTD validator
 * if no DTD grammar exists. If no validator exists in the
 * pipeline or there is no DTD grammar, namespace binding
 * is performed by the scanner in the enclosing class.
 */
private void reconfigurePipeline() {
    if (fDTDValidator == null) {
        fBindNamespaces = true;
    }
    else if (!fDTDValidator.hasGrammar()) {
        fBindNamespaces = true;
        fPerformValidation = fDTDValidator.validate();
        // re-configure pipeline
        XMLDocumentSource source = fDTDValidator.getDocumentSource();
        XMLDocumentHandler handler = fDTDValidator.getDocumentHandler();
        source.setDocumentHandler(handler);
        if (handler != null)
            handler.setDocumentSource(source);
        fDTDValidator.setDocumentSource(null);
        fDTDValidator.setDocumentHandler(null);
    }
}
 

import com.sun.org.apache.xerces.internal.xni.XMLDocumentHandler; //导入依赖的package包/类
/**
 * Re-configures pipeline by removing the DTD validator
 * if no DTD grammar exists. If no validator exists in the
 * pipeline or there is no DTD grammar, namespace binding
 * is performed by the scanner in the enclosing class.
 */
private void reconfigurePipeline() {
    //fDTDValidator will be null in Stax mode
    if (fNamespaces && fDTDValidator == null) {
        fBindNamespaces = true;
    }
    else if (fNamespaces && !fDTDValidator.hasGrammar() ) {
        fBindNamespaces = true;
        fPerformValidation = fDTDValidator.validate();
        // re-configure pipeline by removing DTDValidator
        XMLDocumentSource source = fDTDValidator.getDocumentSource();
        XMLDocumentHandler handler = fDTDValidator.getDocumentHandler();
        source.setDocumentHandler(handler);
        if (handler != null)
            handler.setDocumentSource(source);
        fDTDValidator.setDocumentSource(null);
        fDTDValidator.setDocumentHandler(null);
    }
}
 

import com.sun.org.apache.xerces.internal.xni.XMLDocumentHandler; //导入依赖的package包/类
/**
 * Sets the document handler on the last component in the pipeline
 * to receive information about the document.
 *
 * @param documentHandler   The document handler.
 */
public void setDocumentHandler(XMLDocumentHandler documentHandler) {
        fDocumentHandler = documentHandler;
        if (fLastComponent != null) {
                fLastComponent.setDocumentHandler(fDocumentHandler);
                if (fDocumentHandler !=null){
                        fDocumentHandler.setDocumentSource(fLastComponent);
                }
        }
}
 

import com.sun.org.apache.xerces.internal.xni.XMLDocumentHandler; //导入依赖的package包/类
/**
 * Sets the document handler on the last component in the pipeline
 * to receive information about the document.
 *
 * @param documentHandler   The document handler.
 */
public void setDocumentHandler(XMLDocumentHandler documentHandler) {
    fDocumentHandler = documentHandler;
    if (fLastComponent != null) {
        fLastComponent.setDocumentHandler(fDocumentHandler);
        if (fDocumentHandler !=null){
            fDocumentHandler.setDocumentSource(fLastComponent);
        }
    }
}
 

import com.sun.org.apache.xerces.internal.xni.XMLDocumentHandler; //导入依赖的package包/类
protected void configureXML11Pipeline() {
        super.configureXML11Pipeline();

// configure XML 1.1. DTD pipeline
        fXML11DTDScanner.setDTDHandler(fXML11DTDProcessor);
        fXML11DTDProcessor.setDTDSource(fXML11DTDScanner);
        fXML11DTDProcessor.setDTDHandler(fXIncludeHandler);
        fXIncludeHandler.setDTDSource(fXML11DTDProcessor);
        fXIncludeHandler.setDTDHandler(fDTDHandler);
        if (fDTDHandler != null) {
                fDTDHandler.setDTDSource(fXIncludeHandler);
        }

        // configure XML document pipeline: insert after DTDValidator and
        // before XML Schema validator
        XMLDocumentSource prev = null;
        if (fFeatures.get(XMLSCHEMA_VALIDATION) == Boolean.TRUE) {
                // we don't have to worry about fSchemaValidator being null, since
                // super.configurePipeline() instantiated it if the feature was set
                prev = fSchemaValidator.getDocumentSource();
        }
        // Otherwise, insert after the last component in the pipeline
        else {
                prev = fLastComponent;
                fLastComponent = fXIncludeHandler;
        }

        XMLDocumentHandler next = prev.getDocumentHandler();
        prev.setDocumentHandler(fXIncludeHandler);
        fXIncludeHandler.setDocumentSource(prev);
        if (next != null) {
                fXIncludeHandler.setDocumentHandler(next);
                next.setDocumentSource(fXIncludeHandler);
        }

}
 

import com.sun.org.apache.xerces.internal.xni.XMLDocumentHandler; //导入依赖的package包/类
/** Sets the document handler to receive information about the document. */
public void setDocumentHandler(XMLDocumentHandler documentHandler) {
    fDocumentHandler = documentHandler;

    // Init reportWhitespace for this handler
    if (documentHandler instanceof XMLParser) {
        try {
            reportWhitespace =
                ((XMLParser) documentHandler).getFeature(REPORT_WHITESPACE);
        }
        catch (Exception e) {
            reportWhitespace = false;
        }
    }
}