package org.litesoft.aokeyhole.swing.mains.mementobeans;

import java.util.*;

import org.litesoft.core.simpletypes.*;
import org.litesoft.core.typeutils.*;
import org.litesoft.textfiledirectory.*;

public class BeanSubSystemState implements BeanMagicStrings
{
    private final String mName;
    private final String mPackage;
    private final TextFileDirectory mTextFileDirectory;
    private Map<String, BeanReader> mOriginalBeansByObjectName = Maps.newHashMap();
    private BeanReader[] mBeanReaders = null; // null == unread
    private int mNextReader = 0;

    public BeanSubSystemState( String pName, String pPackage, TextFileDirectory pTextFileDirectory )
    {
        mName = pName;
        mPackage = pPackage;
        mTextFileDirectory = pTextFileDirectory;
    }

    public String getName()
    {
        return mName;
    }

    public synchronized BeanReader getNextBeanReader()
    {
        if ( mBeanReaders == null )
        {
            for ( String zFile : mTextFileDirectory.getFiles( SOURCE_FILE_EXTENSION ) )
            {
                TextFile zTextFile = mTextFileDirectory.load( zFile );
                BeanReader zReader = BeanReader.createFor( zTextFile.getLines() );
                if (zReader != null)
                {
                    mOriginalBeansByObjectName.put( zReader.getName(), zReader );
                }
            }
            mBeanReaders = mOriginalBeansByObjectName.values().toArray( new BeanReader[mOriginalBeansByObjectName.size()] );
        }
        return (mNextReader < mBeanReaders.length) ? mBeanReaders[mNextReader++] : null;
    }
}