source: trunk/gsdl3/src/java/org/greenstone/gsdl3/gs3build/doctypes/RecogniserManager.java@ 5800

package org.greenstone.gsdl3.gs3build.doctypes;

import org.greenstone.gsdl3.gs3build.FileCrawlObserver;

import java.io.File;
import java.net.URL;

public class RecogniserManager implements FileCrawlObserver
{
    RecogniserInterface list[];
    int                 used;
    int                 size;

    public RecogniserManager()
    {   this.list = new RecogniserInterface[10];
        this.used = 0;
        this.size = 10;
    }

    public void addRecogniser(RecogniserInterface recogniser)
    {   this.ensureCapacity(this.used + 1);

        this.list[this.used] = recogniser;
        this.used ++;
    }

    public void processFile(URL url)
    {   boolean result;

        for (int r = 0; r < this.used; r ++)
        {   if (list[r].parseDocument(url)) {
                break;
            }
        }
    }
 
    public void processFile(File file)
    {   try {
            URL url = new URL("file://"+file.toString());

            this.processFile(url);
        }
        catch (java.net.MalformedURLException ex)
        {
            System.out.println(ex);
        }
    }

    private void ensureCapacity(int size)
    {   while (size >= this.size)
        {   RecogniserInterface newList [] = new RecogniserInterface[this.size*2];
            this.size *= 2;
            System.arraycopy(this.list, 0, newList, 0, this.size);
            this.list = newList;
        }
    }
}