//
   // This file was generated by the JavaTM Architecture for XML Binding(JAXB) Reference Implementation, v1.0.3-b18-fcs 
   // See <a href="http://java.sun.com/xml/jaxb">http://java.sun.com/xml/jaxb</a> 
   // Any modifications to this file will be lost upon recompilation of the source schema. 
   // Generated on: 2004.12.16 at 07:09:44 EST 
   //
   
   package net.sf.jour.rt.view.config.impl.runtime;
   
  import java.util.Iterator;
  
  import javax.xml.bind.ValidationEvent;
  
  import org.xml.sax.Attributes;
  import org.xml.sax.Locator;
  import org.xml.sax.SAXException;
  
  import com.sun.xml.bind.JAXBAssertionError;
  import com.sun.xml.bind.unmarshaller.Tracer;
  
  /***
   * Splits the unmarshalling events to bracnhes to support
   * XML Schema's &lt;all> and RELAX NG's &lt;interleave>
   * 
   * <p>
   * This class will be extended by the generated code.
   * 
   * @optionalRuntime
   * 
   * @author
   *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
   */
  public abstract class InterleaveDispatcher implements UnmarshallingEventHandler {
      
      /*** Parent context. */
      private final UnmarshallingContext parent;
      
      /*** Branches of an interleave. */
      protected final Site[] sites;
      
      /*** Set to true while all the branches are joining. */
      private boolean isJoining;
      
      /*** Counts the depth of the element nesting. */
      private int nestLevel = 0;
      
      /*** When nestLevel>0, all the events shall be sent to this branch. */
      private Site currentSite;
  
      
      protected InterleaveDispatcher( UnmarshallingContext context, int size ) {
          this.parent = context;
          sites = new Site[size];
          for( int i=0; i<size; i++ )
              sites[i] = new Site();
      }
      
      protected void init( UnmarshallingEventHandler[] handlers ) {
          for( int i=0; i<handlers.length; i++ )
              sites[i].pushContentHandler(handlers[i],0);
      }
      
  
  // abstract methods
      /***
       * Returns the branch number that consumes the given element,
       * or -1 if the name is not recognized. 
       */
      protected abstract int getBranchForElement( String uri, String local );
      
      /***
       * Returns the branch number that consumes the given attribute,
       * or -1 if the name is not recognized. 
       */
      protected abstract int getBranchForAttribute( String uri, String local );
      
      /***
       * Returns the branch number that consumes the text events,
       * or -1 if no branch is expected to consume it. 
       */
      protected abstract int getBranchForText();
      
      
      
      
      
      public Object owner() {
          if( nestLevel>0 )
              return currentSite.getCurrentHandler().owner();
          else
              throw new JAXBAssertionError();
      }
  
      public void enterElement(String uri, String local, String qname, Attributes atts) throws SAXException {
          if( nestLevel++==0 ) {
              int idx = getBranchForElement(uri, local);
              if(idx==-1) {
                  // unknown element. revert to parent.
                  joinByEnterElement(null, uri, local, qname, atts);
                 return;
             }
             currentSite = sites[idx];
         }
             
         currentSite.getCurrentHandler().enterElement(uri, local, qname, atts);
     }
     private void joinByEnterElement( Site source, String uri, String local, String qname, Attributes atts ) throws SAXException {
         if(isJoining)       return; // during a join, child branches send us tokens we sent them. ignore.
         isJoining = true;
         
         // send the token to all the other branches.
         // since they don't recognize this token, it should try to move
         // to the final state (or report an error)
         for( int i=0; i<sites.length; i++ )
             if( sites[i]!=source )
                 sites[i].getCurrentHandler().enterElement(uri, local, qname, atts);
         
         // revert to the parent
         parent.popContentHandler();
         parent.getCurrentHandler().enterElement(uri,local,qname,atts);
     }
 
 
     public void leaveElement(String uri, String local, String qname) throws SAXException {
         if( nestLevel==0 )
             joinByLeaveElement(null,uri,local,qname);
         else {
             currentSite.getCurrentHandler().leaveElement(uri,local,qname);
             // leaveElement invocation might cause some unprocessed attributes
             // to be handled. Therefore, while the execution is in the leaveElement,
             // we need to let the branch maintain the control.
             nestLevel--;
         }
     }
     private void joinByLeaveElement(Site source,String uri, String local, String qname) throws SAXException {
         if(isJoining)       return; // during a join, child branches send us tokens we sent them. ignore.
         isJoining = true;
         
         // send the token to all the other branches.
         // since they don't recognize this token, it should try to move
         // to the final state (or report an error)
         for( int i=0; i<sites.length; i++ )
             if( sites[i]!=source )
                 sites[i].getCurrentHandler().leaveElement(uri,local,qname);
         
         // revert to the parent
         parent.popContentHandler();
         parent.getCurrentHandler().leaveElement(uri,local,qname);
     }
 
 
     public void text(String s) throws SAXException {
         if( nestLevel==0 ) {
             int idx = getBranchForText();
             if(idx==-1) {
                 if( s.trim().length()==0 ) {
                     // if ignorable, just ignore.
                 } else {
                     joinByText(null,s);
                 }
                 return;
             }
             currentSite = sites[idx];
         }
         
         currentSite.getCurrentHandler().text(s);
     }
     private void joinByText(Site source, String s) throws SAXException {
         if(isJoining)       return; // during a join, child branches send us tokens we sent them. ignore.
         isJoining = true;
         
         // send the token to all the other branches.
         // since they don't recognize this token, it should try to move
         // to the final state (or report an error)
         for( int i=0; i<sites.length; i++ )
             if( sites[i]!=source )
                 sites[i].getCurrentHandler().text(s);
         
         // revert to the parent
         parent.popContentHandler();
         parent.getCurrentHandler().text(s);
     }
 
 
     public void enterAttribute(String uri, String local, String qname) throws SAXException {
         if( nestLevel++==0 ) {
             int idx = getBranchForAttribute(uri, local);
             if(idx==-1) {
                 // unknown element. revert to parent.
                 joinByEnterAttribute(null, uri, local, qname);
                 return;
             }
             currentSite = sites[idx];
         }
             
         currentSite.getCurrentHandler().enterAttribute(uri, local, qname);
     }
     private void joinByEnterAttribute( Site source, String uri, String local, String qname ) throws SAXException {
         if(isJoining)       return; // during a join, child branches send us tokens we sent them. ignore.
         isJoining = true;
         
         // send the token to all the other branches.
         // since they don't recognize this token, it should try to move
         // to the final state (or report an error)
         for( int i=0; i<sites.length; i++ )
             if( sites[i]!=source )
                 sites[i].getCurrentHandler().enterAttribute(uri, local, qname);
         
         // revert to the parent
         parent.popContentHandler();
         parent.getCurrentHandler().enterAttribute(uri,local,qname);
     }
 
 
     public void leaveAttribute(String uri, String local, String qname) throws SAXException {
         if( nestLevel==0 )
             joinByLeaveAttribute(null,uri,local,qname);
         else {
             nestLevel--;
             currentSite.getCurrentHandler().leaveAttribute(uri,local,qname);
         }
     }
     private void joinByLeaveAttribute(Site source,String uri, String local, String qname) throws SAXException {
         if(isJoining)       return; // during a join, child branches send us tokens we sent them. ignore.
         isJoining = true;
         
         // send the token to all the other branches.
         // since they don't recognize this token, it should try to move
         // to the final state (or report an error)
         for( int i=0; i<sites.length; i++ )
             if( sites[i]!=source )
                 sites[i].getCurrentHandler().leaveAttribute(uri,local,qname);
         
         // revert to the parent
         parent.popContentHandler();
         parent.getCurrentHandler().leaveAttribute(uri,local,qname);
     }
 
     public void leaveChild(int nextState) throws SAXException {
         // assertion failed. since we don't launch any child
         // this method shall never be called.
         throw new JAXBAssertionError();
     }
     
     
 //    /*** triggers join. */    
 //    private final UnmarshallingEventHandler nullHandler = new UnmarshallingEventHandler() {
 //        public Object owner() {
 //            return null;
 //        }
 //
 //        public void enterElement(String uri, String local, String qname, Attributes atts) throws UnreportedException {
 //            join
 //        }
 //        public void leaveElement(String uri, String local, String qname) throws UnreportedException {
 //        }
 //        public void text(String s) throws UnreportedException {
 //        }
 //        public void enterAttribute(String uri, String local, String qname) throws UnreportedException {
 //        }
 //        public void leaveAttribute(String uri, String local, String qname) throws UnreportedException {
 //        }
 //        public void leaveChild(int nextState) throws UnreportedException {
 //        }
 //    };
     
     
     /***
      * This implementation will be passed to branches as
      * the {@link UnmarshallingContext} implementation.
      * 
      * Used to maintain separate handler stacks for each branch.
      * 
      * As an {@link UnmarshallingEventHandler}, this object
      * triggers join.
      */
     private class Site implements UnmarshallingContext, UnmarshallingEventHandler {
         
         // handler stack implemented as an array        
         private UnmarshallingEventHandler[] handlers = new UnmarshallingEventHandler[8];
         private int[] mementos = new int[8];
         private int handlerLen=0;
         
         private Site() {
             pushContentHandler(this, 0);
         }
     
         public void pushContentHandler( UnmarshallingEventHandler handler, int memento ) {
             if(handlerLen==handlers.length) {
                 // expand buffer
                 UnmarshallingEventHandler[] h = new UnmarshallingEventHandler[handlerLen*2];
                 int[] m = new int[handlerLen*2];
                 System.arraycopy(handlers,0,h,0,handlerLen);
                 System.arraycopy(mementos,0,m,0,handlerLen);
                 handlers = h;
                 mementos = m;
             }
             handlers[handlerLen] = handler;
             mementos[handlerLen] = memento;
             handlerLen++;
         }
     
         public void popContentHandler() throws SAXException {
             handlerLen--;
             handlers[handlerLen]=null;  // this handler is removed
             getCurrentHandler().leaveChild(mementos[handlerLen]);
         }
 
         public UnmarshallingEventHandler getCurrentHandler() {
             return handlers[handlerLen-1];
         }
 
         
         // UnmarshallingEventHandler impl. triggers the join operation
         public Object owner() { return null; }
         public void enterElement(String uri, String local, String qname, Attributes atts) throws SAXException {
             joinByEnterElement(this,uri,local,qname,atts);
         }
         public void leaveElement(String uri, String local, String qname) throws SAXException {
             joinByLeaveElement(this,uri,local,qname);
         }
         public void enterAttribute(String uri, String local, String qname) throws SAXException {
             joinByEnterAttribute(this,uri,local,qname);
         }
         public void leaveAttribute(String uri, String local, String qname) throws SAXException {
             joinByLeaveAttribute(this,uri,local,qname);
         }
         public void text(String s) throws SAXException {
             joinByText(this,s);
         }
         public void leaveChild(int nextState) throws SAXException {
         }
         
         
         // the rest of the methods are just delegations for UnmarshallingContext
         
         public void addPatcher(Runnable job) {
             parent.addPatcher(job);
         }
 
         public String addToIdTable(String id) {
             return parent.addToIdTable(id);
         }
 
         public void consumeAttribute(int idx) throws SAXException {
             parent.consumeAttribute(idx);
         }
 
         public String eatAttribute(int idx) throws SAXException {
             return parent.eatAttribute(idx);
         }
 
         public int getAttribute(String uri, String name) {
             return parent.getAttribute(uri, name);
         }
 
         public String getBaseUri() {
             return parent.getBaseUri();
         }
 
         public GrammarInfo getGrammarInfo() {
             return parent.getGrammarInfo();
         }
 
         public Locator getLocator() {
             return parent.getLocator();
         }
 
         public String getNamespaceURI(String prefix) {
             return parent.getNamespaceURI(prefix);
         }
 
         public Object getObjectFromId(String id) {
             return parent.getObjectFromId(id);
         }
 
         public String getPrefix(String namespaceURI) {
             return parent.getPrefix(namespaceURI);
         }
 
         public Iterator getPrefixes(String namespaceURI) {
             return parent.getPrefixes(namespaceURI);
         }
 
         public Tracer getTracer() {
             return parent.getTracer();
         }
 
         public Attributes getUnconsumedAttributes() {
             return parent.getUnconsumedAttributes();
         }
 
         public void handleEvent(ValidationEvent event, boolean canRecover) throws SAXException {
             parent.handleEvent(event,canRecover);
         }
 
         public boolean isNotation(String arg0) {
             return parent.isNotation(arg0);
         }
 
         public boolean isUnparsedEntity(String arg0) {
             return parent.isUnparsedEntity(arg0);
         }
 
         public void popAttributes() {
             parent.popAttributes();
         }
 
         public void pushAttributes(Attributes atts,boolean collectTextFlag) {
             parent.pushAttributes(atts,collectTextFlag);
         }
 
         public String resolveNamespacePrefix(String prefix) {
             return parent.resolveNamespacePrefix(prefix);
         }
 
         public String[] getNewlyDeclaredPrefixes() {
             return parent.getNewlyDeclaredPrefixes();
         }
 
         public String[] getAllDeclaredPrefixes() {
             return parent.getAllDeclaredPrefixes();
         }
 
     }
 }