ArrayIndexLink.java

package com.vladium.utils;

// ----------------------------------------------------------------------------
/**
 * An {@link ILink} implementation for tree links created by array fields.
 * 
 * @author (C) <a href="http://www.javaworld.com/columns/jw-qna-index.shtml">Vlad Roubtsov</a>, 2003
 */
final class ArrayIndexLink implements ILink
{
    // public: ................................................................
    
    // ILink:
    
    public String name ()
    {
        final StringBuffer s = new StringBuffer ();
        
        ILink l = this;
        while (l instanceof ArrayIndexLink)
        {
            final ArrayIndexLink asl = (ArrayIndexLink) l; 
            
            s.insert (0, ']');
            s.insert (0, asl.m_index);
            s.insert (0, '[');
            
            l = asl.m_container;
        }
        
        s.insert (0, l != null ? l.name () : ObjectProfiler.INPUT_OBJECT_NAME);
        
        return s.toString ();
    }
    
    // protected: .............................................................

    // package: ...............................................................
    
    
    ArrayIndexLink (final ILink container, final int index)
    {
        m_container = container;
        m_index = index;
    } 
    
    // private: ...............................................................
    
    
    private final ILink m_container;
    private final int m_index;

} // end of class
// ----------------------------------------------------------------------------