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package net.sf.ahtutils.jsf.components;

import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;
import java.util.List;

import javax.faces.component.FacesComponent;
import javax.faces.component.UINamingContainer;

import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@FacesComponent(value="net.sf.ahtutils.jsf.components.Highlight")
public class Highlight extends UINamingContainer
{
	final static Logger logger = LoggerFactory.getLogger(Highlight.class);
	
	private static final String id ="//ahtutils.highlight:"; 
	
	public String between(String input, String between, boolean relativeTab)
	{
		InputStream is = this.getClass().getResourceAsStream(input);
		
		Integer from = null;
		Integer to = null;
		List list;
		
		if(is!=null)
		{
			try
			{
				list = IOUtils.readLines(is, "UTF-8");
				for(int i=0;i list = IOUtils.readLines(is, "UTF-8");
					writer.write(build(list, from, to));
				}
				catch (IOException e){logger.error(e.getMessage());e.printStackTrace();}
			}
			else
			{			
				try {IOUtils.copy(is, writer, "UTF-8");}
				catch (IOException e){logger.error(e.getMessage());e.printStackTrace();}
			}		
			String s = writer.toString();
			try {writer.close();} catch (IOException e) {e.printStackTrace();}
			return s;
		}
		else {return resourceNotFound(input);}
	}
	
	private String build(List list, int from, int to)
	{
		StringWriter writer = new StringWriter();
		for(int i=1;i<=list.size();i++)
		{
			if(i>=from && i<=to)
			{
				String s = list.get(i-1);
				writer.write(s+IOUtils.LINE_SEPARATOR_UNIX);
			}
		}
		return writer.toString();
	}
	
	public String tab(int tab)
	{
		StringBuffer sb = new StringBuffer();
		for(int i=0;i