content: package com.japisoft.editix.action.dtdschema;
  
  import java.awt.event.ActionEvent;
  import java.io.IOException;
  
  import javax.swing.AbstractAction;
  
  import org.apache.xerces.impl.dtd.XMLDTDLoader;
  import org.apache.xerces.xni.XNIException;
  import org.apache.xerces.xni.parser.XMLErrorHandler;
  import org.apache.xerces.xni.parser.XMLInputSource;
  import org.apache.xerces.xni.parser.XMLParseException;
  
  import com.japisoft.editix.action.file.SaveAction;
  import com.japisoft.editix.ui.EditixFactory;
  import com.japisoft.editix.ui.EditixFrame;
  import com.japisoft.framework.application.descriptor.ActionModel;
  import com.japisoft.xmlpad.XMLContainer;
  import com.japisoft.xmlpad.action.xml.CheckableAction;
  
  /**
  This program is available under two licenses : 
  
  1. For non commercial usage : 
  
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
  
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  2. For commercial usage :
  
  You need to get a commercial license for source usage at : 
  
  http://www.editix.com/buy.html
  
  Copyright (c) 2018 Alexandre Brillant - JAPISOFT SARL - http://www.japisoft.com
  
  @author Alexandre Brillant - abrillant@japisoft.com
  @author JAPISOFT SARL - http://www.japisoft.com
  
  */
  public class ParseDTDAction extends AbstractAction implements XMLErrorHandler, CheckableAction {
  
  	private XMLContainer container;
  	
  	public boolean checkDocument(XMLContainer container, boolean silentMode) {
  		
  		this.container = container;
  
  		XMLDTDLoader
  		loader = new XMLDTDLoader();
  		loader.setErrorHandler( this );
  		container.getErrorManager().initErrorProcessing();
  		try {
  			loader.loadGrammar(
  					new XMLInputSource(
  							null,
  							container.getCurrentDocumentLocation(),
  							null
  					)
  			);
  			if ( !silentMode )
  				EditixFactory.buildAndShowInformationDialog( "DTD Checked : No syntax error" );
  			container.getErrorManager().notifyNoError( false );
  		} catch (XNIException e1) {
  		} catch (IOException e1) {
  		}
  		container.getErrorManager().stopErrorProcessing();
  		boolean error = container.getErrorManager().hasLastError();
  		this.container = null;
  		
  		return !error;
  	}
  
  	public void actionPerformed( ActionEvent e ) {
  		container = EditixFrame.THIS.getSelectedContainer();
  		if ( container == null )
  			return;
  		if ( container.getCurrentDocumentLocation() == null ) {
  			EditixFactory.buildAndShowInformationDialog( "Please save your document before checking" );
  			return;
  		}
  		SaveAction sa = ( SaveAction )ActionModel.restoreAction( "save" );
  		sa.save( container );
  		checkDocument( container, false );
  	}
  
  	public void error(String arg0, String arg1, XMLParseException arg2) throws XNIException {
  		container.getErrorManager().notifyError(
  				container,
  				true,
  				container.getCurrentDocumentLocation(),
  				arg2.getLineNumber(),
  				arg2.getColumnNumber(),
  				-1,
  				arg2.getMessage(),
  				false );		
  	}
  
  	public void fatalError(String arg0, String arg1, XMLParseException arg2) throws XNIException {
  		container.getErrorManager().notifyError(
  				container,
  				true,
  				container.getCurrentDocumentLocation(),
  				arg2.getLineNumber(),
  				arg2.getColumnNumber(),
  				-1,
  				arg2.getMessage(),
  				false );		
  	}
  
  	public void warning(String arg0, String arg1, XMLParseException arg2) throws XNIException {
  	}
  
  
  }
  