source: main/trunk/greenstone3/src/java/org/greenstone/util/Configuration.java@ 25635

/**
 *#########################################################################
 * Configuration
 * A component of the GAI application, part of the Greenstone digital
 * library suite from the New Zealand Digital Library Project at the
 * University of Waikato, New Zealand.
 *
 * <BR><BR>
 *
 * Copyright (C) 1999 New Zealand Digital Library Project
 *
 * <BR><BR>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * <BR><BR>
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * <BR><BR>
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *########################################################################
 */
package org.greenstone.util;

import java.awt.Color;
import java.util.Locale;
import java.util.Hashtable;
import java.util.StringTokenizer;

// eventually this class will hold configuration settings from a config file. For now, lets use static info
// loosely copied from Gatherer Configuration
public class Configuration {
    
    static private Hashtable<String, String> hash = null;

    /** The first of three patterns used during tokenization, this pattern handles a comma separated list. */
    static final private String TOKENIZER_PATTERN1 = " ,\n\t";
    /** The second of three patterns used during tokenization, this pattern handles an underscore separated list. */
    static final private String TOKENIZER_PATTERN2 = "_\n\t";
    /** The last of three patterns used during tokenization, this pattern handles an comma separated list containing spaces. */
    static final private String TOKENIZER_PATTERN3 = ",\n\t";

    public Configuration() {
    
    hash = new Hashtable<String, String>();
    
    
    // load up all the initial stuff
    hash.put("admin.log", "true");
    hash.put("admin.conf", "true");
    hash.put("admin.ext", "true");
    hash.put("admin.monitor", "true");
    hash.put("coloring.workspace_selection_foreground", "0, 0, 0");
    hash.put("coloring.workspace_selection_background", "176, 208, 176");
    hash.put("coloring.table_noneditable_background", "255, 255, 255");
    hash.put("coloring.table_editable_background", "255, 255, 255");
    hash.put("coloring.collection_tree_background", "224, 240, 224");
    hash.put("coloring.collection_tree_foreground", "0, 0, 0");
    hash.put("coloring.workspace_tree_foreground", "0, 0, 0");
    hash.put("coloring.workspace_tree_background", "218, 237, 252");
    hash.put("coloring.workspace_heading_background", "128, 180, 216");
    hash.put("coloring.workspace_heading_foreground", "0, 0, 0");
    
    }

    /** Retrieve whether the named property is set or not */
    static public boolean get(String property) {
    String value = hash.get(property);
    return (value != null && value.equalsIgnoreCase("true"));
    }
    
    /** Retrieve the value of the named property as a String */
    static public String getString(String property) {
    return hash.get(property);
    }

    /** Retrieve the value of the named property as a Locale. */
    static public Locale getLocale(String property) {
    Locale result = Locale.getDefault();
    try {
        String raw = hash.get(property);
        if (raw==null) {
        return result;
        }
        // Locale is a underscore separated code.
        StringTokenizer tokenizer = new StringTokenizer(raw, TOKENIZER_PATTERN2);
        String language = tokenizer.nextToken();
        if(tokenizer.hasMoreTokens()) {
        String country = tokenizer.nextToken();
        result = new Locale(language, country);
        }
        else {
        result = new Locale(language);
        }
    }
    catch(Exception error) {
        error.printStackTrace();
    }
    return result;
    }
    
    /** Retrieve the value of the named property as a Color. */
    static public Color getColor(String property) {
    Color result = Color.white; // Default
    String raw = hash.get(property);
    if (raw == null || raw.equals("")) {
        return result;
    }
    try {
        // Color is a RGB triplet list, comma separated (also remove whitespace)
        StringTokenizer tokenizer = new StringTokenizer(raw, TOKENIZER_PATTERN1);
        int red = Integer.parseInt(tokenizer.nextToken());
        int green = Integer.parseInt(tokenizer.nextToken());
        int blue = Integer.parseInt(tokenizer.nextToken());
        result = new Color(red, green, blue);
    }
    catch(Exception error) {
        error.printStackTrace();
    }
    return result;
    }
}