source: trunk/gsdl3/src/java/org/greenstone/gsdl3/build/ConstructCollection.java@ 5663

package org.greenstone.gsdl3.build;
import org.greenstone.gsdl3.util.*;

import org.w3c.dom.Element;
import org.w3c.dom.Document;
import java.io.File;

/** the class containing the main program for collection building - is essentially a wrapper around a CollectionConstructor
 * @see CollectionConstructor
 */
public class ConstructCollection 
    implements ConstructionListener {
    
    static public void main(String [] args) {

    String site_home = null;
    String coll_name = null;
    int process_mode = -1;
    if (args.length < 4) {
        printUsage();
        return;
    }

    // parse the args

    XMLConverter converter = new XMLConverter();
    Document doc = converter.newDOM();
    Element option_list = doc.createElement(GSXML.PARAM_ELEM+GSXML.LIST_MODIFIER);
    Element option;

    for (int i=0; i<args.length-1; i++) {
        String key = args[i];
        if (!key.startsWith("-")) {
        continue; // ignore options that dont start with '-'
        }
        key = key.substring(1);
        String val = args[i+1];
        if (val.startsWith("-")) {
        val=null;
        } else {
        i++;
        }
        
        if (key.equals("site")) {
        site_home = val;
        } else if (key.equals("mode")) {
        if (val==null) {
            continue;
        }
        if (val.equals("new")) {
            process_mode = GS2PerlConstructor.NEW;
        } else if (val.equals("import")) {
            process_mode = GS2PerlConstructor.IMPORT;
        } else if (val.equals("build")) {
            process_mode = GS2PerlConstructor.BUILD;
        } else if (val.equals("activate")) {
            process_mode = GS2PerlConstructor.ACTIVATE;
        }

        } else { // an option to pass to the builder
        option = doc.createElement(GSXML.PARAM_ELEM);
        option.setAttribute(GSXML.NAME_ATT, key);
        if (val!=null) {
            option.setAttribute(GSXML.VALUE_ATT, val);
        }
        option_list.appendChild(option);
        }
    }
    String last_arg = args[args.length-1];
    if (last_arg.startsWith("-")) { // should be coll name
        System.out.println("ERROR: the last arg should be the collection name!");
        printUsage();
        return;
    }
    
    coll_name = last_arg;
    
    // check that we have the required fields
    if (site_home==null || process_mode == -1 || coll_name==null) {
        System.out.println("ERROR: you have not specified all the necessary args!");
        printUsage();
        return;
    }

    // check that the collection name is valid - ie the directory exists if this is not a new one, or doesn't exist if we are creating a new one
    File coll_dir = new File(GSFile.collectionBaseDir(site_home, coll_name));
    if (process_mode != GS2PerlConstructor.NEW && !coll_dir.exists()) {
        System.out.println("ERROR: Invalid collection ("+coll_name+").");
        printUsage();
        return;
    } else if (process_mode == GS2PerlConstructor.NEW && 
           coll_dir.exists()) {
        System.out.println("ERROR: there is already a collection named "+coll_name);
        printUsage();
        return;
    }
    
   
    ConstructCollection processor = new ConstructCollection();
    GS2PerlConstructor constructor = new GS2PerlConstructor("perl_build");
    if (!constructor.configure()) {
        System.out.println("couldn't configure the constructor!!");
        return;
    }
    constructor.setCollectionName(coll_name);
    constructor.setSiteHome(site_home);
    constructor.setProcessParams(option_list);
    constructor.setActionType(process_mode);
    constructor.addListener(processor);
    constructor.start();
    }
    
    static protected void printUsage() {
    System.out.println("Usage: the following arguments need to be supplied:\n -site <site-home> -mode new|import|build|activate [options] <coll-name>");
    System.out.println("Options available are:");
    System.out.println("-maxdocs N\t process at most N documents\n"+
               "-gs2\t use greenstone 2 style building");
    }

    /** This event handler used to signify that a task has been started */
    public void processBegun(ConstructionEvent evt) {
    System.out.println("begun: "+evt.getMessage());
    }
    /** This event handler used to signify that a task has been completed */
    public void processComplete(ConstructionEvent evt){
    System.out.println("complete: "+evt.getMessage());
    }
    /** This event handler used to send status updates as the task is progressing */
    public void processStatus(ConstructionEvent evt){
    System.out.println(evt.getMessage());
    }
    /**  This event handler used to send any other messages to the listeners */
    public void message(ConstructionEvent evt){
    System.out.println(evt.getMessage());
    }




}