aw080/main/ooxml/source/framework/SchemaParser/src/org/apache/openoffice/ooxml/schema/model/complex/All.java

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package org.apache.openoffice.ooxml.schema.model.complex;

import org.apache.openoffice.ooxml.schema.model.base.INodeVisitor;
import org.apache.openoffice.ooxml.schema.model.base.Location;
import org.apache.openoffice.ooxml.schema.model.base.Node;
import org.apache.openoffice.ooxml.schema.model.base.NodeType;

/** Representation of the 'all' XML schema element.  All its children are
 *  expected to occur in any order.  By default each child is optional but with
 *  a min=1 attribute the children can be made mandatory.
 */
public class All
    extends Node
{
    public All (
        final Node aParent,
        final Location aLocation)
    {
        super(aParent, null, aLocation);
        
        assert(CheckParent(aParent));
    }


    
    
    /** Occurrence values of an 'all' node must be 
     *  min=(0,1)
     *  max=1.
     */
    private static boolean CheckParent (final Node aParent)
    {
        if (aParent == null)
            return false;
        if (aParent.GetNodeType() != NodeType.OccurrenceIndicator)
            // Missing occurrence parent means that min and max have the default
            // values of 0 and 1, which is valid.
            return true;
        
        final OccurrenceIndicator aIndicator = (OccurrenceIndicator)aParent;
        if (aIndicator.GetMinimum() > 1)
            return false;
        else if (aIndicator.GetMaximum() != 1)
            return false;
        else
            return true;
    }
    
    
    
    
    @Override
    public void AcceptVisitor (final INodeVisitor aVisitor)
    {
        aVisitor.Visit(this);
    }
    
    
    

    @Override
    public NodeType GetNodeType()
    {
        return NodeType.All;
    }
    
    
    
    
    @Override
    public String toString ()
    {
    	return "all";
    }
}