[3341] | 1 | package org.greenstone.gsdl3.util;
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| 2 |
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[8649] | 3 | import java.util.Date;
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| 4 | import java.util.Locale;
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[14397] | 5 | import java.util.MissingResourceException;
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| 6 | import java.io.File;
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[8649] | 7 | import java.text.SimpleDateFormat;
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| 8 |
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[13124] | 9 | import org.apache.log4j.*;
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| 10 |
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[4702] | 11 | /** a class to contain various static methods that are used by the xslt
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[3341] | 12 | * stylesheets
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| 13 | */
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| 14 | public class XSLTUtil {
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| 15 |
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[13270] | 16 | static Logger logger = Logger.getLogger(org.greenstone.gsdl3.util.XSLTUtil.class.getName());
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[13124] | 17 |
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[10783] | 18 | /* some tests */
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[6232] | 19 | public static boolean equals(String s1, String s2) {
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| 20 | return s1.equals(s2);
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| 21 | }
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[10783] | 22 | public static boolean notEquals(String s1, String s2) {
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| 23 | return !s1.equals(s2);
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| 24 | }
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[6297] | 25 | public static boolean exists(String s1, String s2) {
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| 26 | return !s1.equals("");
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| 27 | }
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[6232] | 28 | public static boolean contains(String s1, String s2) {
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| 29 | return (s1.indexOf(s2) != -1);
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| 30 | }
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| 31 | public static boolean startsWith(String s1, String s2) {
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| 32 | return s1.startsWith(s2);
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| 33 | }
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| 34 | public static boolean endsWith(String s1, String s2) {
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| 35 | return s1.endsWith(s2);
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| 36 | }
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[10783] | 37 | public static boolean lessThan(String s1, String s2) {
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| 38 | return (s1.compareTo(s2) < 0);
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| 39 | }
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| 40 | public static boolean lessThanOrEquals(String s1, String s2) {
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| 41 | return (s1.compareTo(s2) <= 0);
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| 42 | }
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| 43 | public static boolean greaterThan(String s1, String s2) {
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| 44 | return (s1.compareTo(s2) > 0);
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| 45 | }
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| 46 | public static boolean greaterThanOrEquals(String s1, String s2) {
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| 47 | return (s1.compareTo(s2) >= 0);
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| 48 | }
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| 49 |
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| 50 | /* some preprocessing functions */
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[6232] | 51 | public static String toLower(String orig) {
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[3341] | 52 | return orig.toLowerCase();
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| 53 | }
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[6232] | 54 | public static String toUpper(String orig) {
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| 55 | return orig.toUpperCase();
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| 56 | }
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[3341] | 57 |
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[3362] | 58 | public static byte[] toUTF8(String orig) {
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| 59 |
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| 60 | try {
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| 61 | byte[] utf8 = orig.getBytes("UTF-8");
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| 62 | return utf8;
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| 63 | }
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| 64 | catch (Exception e){
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[13124] | 65 | logger.error("unsupported encoding");
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[3362] | 66 | return orig.getBytes();
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| 67 | }
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| 68 | }
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| 69 |
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[3602] | 70 | public static String getNumberedItem(String list, int number) {
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| 71 | String [] items = list.split(",", -1);
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[4244] | 72 | if (items.length > number) {
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| 73 | return items[number];
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| 74 | }
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| 75 | return ""; // index out of bounds
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[3602] | 76 | }
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[4271] | 77 |
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| 78 |
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| 79 | public static String tidyWhitespace(String original) {
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| 80 |
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| 81 | if (original==null || original.equals("")) {
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| 82 | return original;
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| 83 | }
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| 84 | String new_s = original.replaceAll("\\s+", " ");
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| 85 | return new_s;
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| 86 | }
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[4702] | 87 |
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| 88 |
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| 89 | public static String getInterfaceText(String interface_name, String lang, String key) {
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| 90 | return getInterfaceText(interface_name, lang, key, null);
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| 91 | }
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| 92 | public static String getInterfaceText(String interface_name, String lang, String key, String args_str) {
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| 93 | String [] args = null;
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| 94 | if (args_str!=null && !args_str.equals("")) {
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| 95 | args = args_str.split(";");
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| 96 | }
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| 97 | Dictionary dict = new Dictionary("interface_"+interface_name, lang);
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[14397] | 98 | String result = dict.get(key, args);
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| 99 | if (result == null) { // not found
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| 100 | //if not found, search a separate subdirectory named by the interface name
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| 101 | String sep_interface_dir = interface_name + File.separatorChar + lang + File.separatorChar + "interface";
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| 102 | dict = new Dictionary(sep_interface_dir, lang);
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| 103 | result = dict.get(key, args);
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| 104 | if(result != null) {
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| 105 | return result;
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| 106 | }
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| 107 | }
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[4702] | 108 |
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| 109 | if (result == null && !interface_name.equals("default")) { // not found, try the default interface
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| 110 | dict = new Dictionary("interface_default", lang);
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| 111 | result = dict.get(key, args);
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| 112 | }
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| 113 |
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| 114 | if (result == null) { // not found
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[14397] | 115 | return "_"+key+"_";
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[4702] | 116 | }
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| 117 | return result;
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| 118 | }
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[8540] | 119 |
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| 120 | public static boolean isImage(String mimetype) {
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| 121 | if (mimetype.startsWith("image/")) {
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| 122 | return true;
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| 123 | }
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| 124 | return false;
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| 125 | }
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[8649] | 126 |
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| 127 | public static String formatDate(String date, String lang) {
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[8657] | 128 |
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[8649] | 129 | String in_pattern = "yyyyMMdd";
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| 130 | String out_pattern = "dd MMMM yyyy";
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[8657] | 131 | if (date.length()==6) {
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| 132 | in_pattern = "yyyyMM";
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| 133 | }
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| 134 |
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[8649] | 135 | SimpleDateFormat formatter = new SimpleDateFormat(in_pattern, new Locale(lang));
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| 136 | try {
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| 137 | Date d = formatter.parse(date);
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| 138 | formatter.applyPattern(out_pattern);
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| 139 | String new_date = formatter.format(d);
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| 140 | return new_date;
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| 141 | } catch (Exception e) {
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| 142 | return date;
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| 143 | }
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| 144 |
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| 145 | }
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| 146 |
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| 147 | public static String formatLanguage(String display_lang, String lang) {
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| 148 |
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| 149 | return new Locale(display_lang).getDisplayLanguage(new Locale(lang));
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| 150 | }
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[8824] | 151 |
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| 152 | public static String cgiSafe(String original, String lang) {
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| 153 |
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| 154 | original = original.replace('&', ' ');
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| 155 | original = original.replaceAll(" ", "%20");
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| 156 | return original;
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| 157 | }
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[3341] | 158 | }
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[4702] | 159 |
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