source: trunk/gsdl3/src/java/org/greenstone/gsdl3/util/XSLTUtil.java@ 6232

package org.greenstone.gsdl3.util;

/** a class to contain various static methods that are used by the xslt
 * stylesheets
 */
public class XSLTUtil {

    public static boolean equals(String s1, String s2) {
    return s1.equals(s2);
    }

    public static boolean contains(String s1, String s2) {
    return (s1.indexOf(s2) != -1);
    }
    public static boolean startsWith(String s1, String s2) {
    return s1.startsWith(s2);
    }
    public static boolean endsWith(String s1, String s2) {
    return s1.endsWith(s2);
    }
    
    public static String toLower(String orig) {
    return orig.toLowerCase();
    }
    public static String toUpper(String orig) {
    return orig.toUpperCase();
    }

    public static byte[] toUTF8(String orig) {
    
    try {
        byte[] utf8 = orig.getBytes("UTF-8");
        return utf8;
    }
    catch (Exception e){
        System.err.println("XSLTUtil.toUTF8: unsupported encoding");
        return orig.getBytes();
    }
    }

    public static String getNumberedItem(String list, int number) {
    String [] items = list.split(",", -1);  
    if (items.length > number) {
        return items[number];
    }
    return ""; // index out of bounds
    }

    
    public static String tidyWhitespace(String original) {
    
    if (original==null || original.equals("")) {
        return original;
    }
    String new_s = original.replaceAll("\\s+", " ");
    return new_s;
    }


    public static String getInterfaceText(String interface_name, String lang, String key) {
    return getInterfaceText(interface_name, lang, key, null);
    }
    public static String getInterfaceText(String interface_name, String lang, String key, String args_str) {
    String [] args = null;
    if (args_str!=null && !args_str.equals("")) {
        args = args_str.split(";");
    }
    Dictionary dict = new Dictionary("interface_"+interface_name, lang);
        String result = dict.get(key, args);

    if (result == null && !interface_name.equals("default")) { // not found, try the default interface
        dict = new Dictionary("interface_default", lang);
        result = dict.get(key, args);
    }
        
        if (result == null) { // not found
            return "_"+key+"_";
        }
        return result;
    }
}