source: trunk/greenstone3-extensions/vishnu/src/vishnu/builder/Indexer.java@ 8290

package vishnu.builder;

import java.io.File;
abstract public class Indexer
{ 
    
    // views stuff
//     public static final int DEFAULT = 0;
//     public static final int DIP = 1;
//     public static final int REG = 2;
//     public static final int LEM = 3;
//     public static final int SYN = 4;

//     public static final String[] types = new String[]{"full","dip","reg","lem","syn"};
    
//     boolean use_views = false;
//     int type = -1;
    String name = null;
    //String limiter = null;
    String outputDir = null;
    String inputDir = null;
    String collName = null;

    public Indexer(String n)
    {
    name = n;       
    }
    
    
//     public void setUseViews(boolean use_v) {
//  use_views = use_v;
//     }
    
//     public void setIndexingType(int t)
//     {
//  type = t;
//     }    
    public void setOutputDirectory(String s)
    {
    outputDir = s;
    }
    
//     public void setLimiter(String s)
//     {
//         limiter = s;
//     }
    
    public void setInputDirectory(String s)
    {
        inputDir = s;
    }
    
     
    public void setCollectionName(String c)
    {
    collName = c;
    }

    // this should be called at the start of startIndexing()
    protected void initialize() {

    if( inputDir == null || outputDir == null ){
        System.err.println("Input dir or output dir is null");
        System.exit(0);
    }
    
    /* check if index dir exists */
    File in = new File(inputDir);
    if (!in.isDirectory()) {
        System.err.println("input directory ("+inputDir+") not a directory, exiting...");
        System.exit(0);
    }

    /**** check if output directory exists, if not create it ****/  
        File f = new File(outputDir);
        if( !f.exists() ){
        try {
        f.mkdirs();
        } catch (Exception e) {
        System.err.println("Couldn't create output directory "+outputDir);
        System.err.println(e);
        System.exit(0);
        }
    }
    
    }
    
    abstract public void startIndexing();
}