content: package com.japisoft.framework.xml.refactor.elements;
  
  import org.w3c.dom.Attr;
  import org.w3c.dom.Node;
  
  import com.japisoft.framework.xml.parser.node.FPNode;
  import com.japisoft.framework.xml.refactor.ui.RefactorTable;
  
  /**
  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 PrefixRefactor extends AbstractRefactor {
  
  	private static final String ADD_ACTION = "(V1) ADD TO ELEMENT (V2)";
  	private static final String RENAME_ACTION = "(V1) RENAME TO (V2)";
  	private static final String DELETE_ACTION = "DELETE (V1)";
  
  	public static String[] ACTIONS = new String[] {
  		RENAME_ACTION,
  		DELETE_ACTION,
  		ADD_ACTION
  	};
  
  	public PrefixRefactor() {
  		super( ANY );
  	}
  
          public String[] getActions() {
              return ACTIONS;
          }
  
          public String getName() {
              return "Prefix";
          }
  
  	protected Node refactorIt( Node node, RefactorAction ra ) {
  		if ( RENAME_ACTION.equals( ra.getAction() ) ) {
  			if ( ra.matchOldValue( node.getPrefix() ) ) {
  				if ( !ra.isNewValueEmpty() ) {
  					node.setPrefix( ra.getNewValue() );
  					return node;
  				}
  			} else
  			if ( node.getNodeType() == Node.ATTRIBUTE_NODE ) {
  				if ( node.getNodeName().equals( "xmlns:" + ra.getOldValue() ) ) {
  					return new AttrProxyNode( ( Attr )node, "xmlns:" + ra.getNewValue() );
  				}
  			}
  		} else
  		if ( DELETE_ACTION.equals( ra.getAction() ) ) {
  			if ( ra.matchOldValue( node.getPrefix() ) ) {
  				node.setPrefix( null );
  				return node;
  			}
  			
  			if ( node.getNodeType() == Node.ATTRIBUTE_NODE ) {
  				if ( node.getNodeName().equals( "xmlns:" + ra.getOldValue() ) ) {
  					return null;
  				}
  			}
  			
  		} else
  		if ( ADD_ACTION.equals( ra.getAction() ) ) {
  			if ( ra.matchNewValue( node.getLocalName() ) ) {
  				if ( ra.getOldValue() == null )
  					throw new RuntimeException( "Prefix Refactor : Invalid oldValue for " + ADD_ACTION );
  				node.setPrefix( ra.getOldValue() );				
  			}
  		}
  		return node;
  	}
  	
  	public void initTable(RefactorTable table, FPNode context) {
  		if ( context.getNameSpacePrefix() != null )
  			table.init( 0, context.getNameSpacePrefix() );
  	}
  }
  