[16869] | 1 | /*
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| 2 | * XSLTUtil.java
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| 3 | * Copyright (C) 2008 New Zealand Digital Library, http://www.nzdl.org
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| 4 | *
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| 5 | * This program is free software; you can redistribute it and/or modify
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| 6 | * it under the terms of the GNU General Public License as published by
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| 7 | * the Free Software Foundation; either version 2 of the License, or
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| 8 | * (at your option) any later version.
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| 9 | *
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| 10 | * This program is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | * GNU General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU General Public License
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| 16 | * along with this program; if not, write to the Free Software
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| 17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 18 | */
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[3341] | 19 | package org.greenstone.gsdl3.util;
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| 20 |
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[8649] | 21 | import java.util.Date;
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| 22 | import java.util.Locale;
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[14397] | 23 | import java.util.MissingResourceException;
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| 24 | import java.io.File;
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[8649] | 25 | import java.text.SimpleDateFormat;
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| 26 |
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[13124] | 27 | import org.apache.log4j.*;
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[18308] | 28 | import org.w3c.dom.Node;
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[13124] | 29 |
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[4702] | 30 | /** a class to contain various static methods that are used by the xslt
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[3341] | 31 | * stylesheets
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| 32 | */
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| 33 | public class XSLTUtil {
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| 34 |
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[13270] | 35 | static Logger logger = Logger.getLogger(org.greenstone.gsdl3.util.XSLTUtil.class.getName());
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[13124] | 36 |
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[10783] | 37 | /* some tests */
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[6232] | 38 | public static boolean equals(String s1, String s2) {
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| 39 | return s1.equals(s2);
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| 40 | }
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[10783] | 41 | public static boolean notEquals(String s1, String s2) {
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| 42 | return !s1.equals(s2);
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| 43 | }
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[6297] | 44 | public static boolean exists(String s1, String s2) {
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| 45 | return !s1.equals("");
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| 46 | }
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[6232] | 47 | public static boolean contains(String s1, String s2) {
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| 48 | return (s1.indexOf(s2) != -1);
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| 49 | }
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| 50 | public static boolean startsWith(String s1, String s2) {
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| 51 | return s1.startsWith(s2);
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| 52 | }
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| 53 | public static boolean endsWith(String s1, String s2) {
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| 54 | return s1.endsWith(s2);
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| 55 | }
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[10783] | 56 | public static boolean lessThan(String s1, String s2) {
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| 57 | return (s1.compareTo(s2) < 0);
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| 58 | }
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| 59 | public static boolean lessThanOrEquals(String s1, String s2) {
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| 60 | return (s1.compareTo(s2) <= 0);
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| 61 | }
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| 62 | public static boolean greaterThan(String s1, String s2) {
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| 63 | return (s1.compareTo(s2) > 0);
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| 64 | }
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| 65 | public static boolean greaterThanOrEquals(String s1, String s2) {
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| 66 | return (s1.compareTo(s2) >= 0);
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| 67 | }
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| 68 |
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| 69 | /* some preprocessing functions */
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[6232] | 70 | public static String toLower(String orig) {
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[3341] | 71 | return orig.toLowerCase();
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| 72 | }
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[6232] | 73 | public static String toUpper(String orig) {
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| 74 | return orig.toUpperCase();
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| 75 | }
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[3341] | 76 |
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[3362] | 77 | public static byte[] toUTF8(String orig) {
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| 78 |
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| 79 | try {
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| 80 | byte[] utf8 = orig.getBytes("UTF-8");
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| 81 | return utf8;
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| 82 | }
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| 83 | catch (Exception e){
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[13124] | 84 | logger.error("unsupported encoding");
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[3362] | 85 | return orig.getBytes();
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| 86 | }
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| 87 | }
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| 88 |
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[3602] | 89 | public static String getNumberedItem(String list, int number) {
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| 90 | String [] items = list.split(",", -1);
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[4244] | 91 | if (items.length > number) {
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| 92 | return items[number];
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| 93 | }
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| 94 | return ""; // index out of bounds
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[3602] | 95 | }
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[4271] | 96 |
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| 97 |
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| 98 | public static String tidyWhitespace(String original) {
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| 99 |
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| 100 | if (original==null || original.equals("")) {
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| 101 | return original;
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| 102 | }
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| 103 | String new_s = original.replaceAll("\\s+", " ");
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| 104 | return new_s;
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| 105 | }
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[4702] | 106 |
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| 107 |
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| 108 | public static String getInterfaceText(String interface_name, String lang, String key) {
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| 109 | return getInterfaceText(interface_name, lang, key, null);
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| 110 | }
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| 111 | public static String getInterfaceText(String interface_name, String lang, String key, String args_str) {
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| 112 | String [] args = null;
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| 113 | if (args_str!=null && !args_str.equals("")) {
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| 114 | args = args_str.split(";");
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| 115 | }
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| 116 | Dictionary dict = new Dictionary("interface_"+interface_name, lang);
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[14397] | 117 | String result = dict.get(key, args);
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| 118 | if (result == null) { // not found
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| 119 | //if not found, search a separate subdirectory named by the interface name
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| 120 | String sep_interface_dir = interface_name + File.separatorChar + lang + File.separatorChar + "interface";
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| 121 | dict = new Dictionary(sep_interface_dir, lang);
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| 122 | result = dict.get(key, args);
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| 123 | if(result != null) {
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| 124 | return result;
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| 125 | }
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| 126 | }
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[4702] | 127 |
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| 128 | if (result == null && !interface_name.equals("default")) { // not found, try the default interface
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| 129 | dict = new Dictionary("interface_default", lang);
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| 130 | result = dict.get(key, args);
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| 131 | }
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| 132 |
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| 133 | if (result == null) { // not found
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[14397] | 134 | return "_"+key+"_";
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[18308] | 135 | }
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| 136 | return result;
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| 137 | }
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| 138 |
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| 139 | public static String getInterfaceTextWithDOM(String interface_name, String lang, String key, Node arg_node) {
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| 140 | String [] args = new String [1];
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| 141 |
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| 142 | String node_str = XMLConverter.getString(arg_node);
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| 143 | args[0] = node_str;
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| 144 | Dictionary dict = new Dictionary("interface_"+interface_name, lang);
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| 145 | String result = dict.get(key, args);
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| 146 | if (result == null) { // not found
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| 147 | //if not found, search a separate subdirectory named by the interface name
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| 148 | String sep_interface_dir = interface_name + File.separatorChar + lang + File.separatorChar + "interface";
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| 149 | dict = new Dictionary(sep_interface_dir, lang);
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| 150 | result = dict.get(key, args);
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| 151 | if(result != null) {
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| 152 | return result;
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| 153 | }
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| 154 | }
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| 155 |
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| 156 | if (result == null && !interface_name.equals("default")) { // not found, try the default interface
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| 157 | dict = new Dictionary("interface_default", lang);
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| 158 | result = dict.get(key, args);
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| 159 | }
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| 160 |
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| 161 | if (result == null) { // not found
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| 162 | return "_"+key+"_";
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[4702] | 163 | }
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[18308] | 164 |
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[4702] | 165 | return result;
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| 166 | }
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[18308] | 167 | public static String getInterfaceTextWithDOM(String interface_name, String lang, String key, Node arg1_node, Node arg2_node) {
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| 168 | String [] args = new String [2];
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| 169 |
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| 170 | String node_str = XMLConverter.getString(arg1_node);
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| 171 | args[0] = node_str;
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| 172 | node_str = XMLConverter.getString(arg2_node);
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| 173 | args[1] = node_str;
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| 174 | Dictionary dict = new Dictionary("interface_"+interface_name, lang);
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| 175 | String result = dict.get(key, args);
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| 176 | if (result == null) { // not found
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| 177 | //if not found, search a separate subdirectory named by the interface name
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| 178 | String sep_interface_dir = interface_name + File.separatorChar + lang + File.separatorChar + "interface";
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| 179 | dict = new Dictionary(sep_interface_dir, lang);
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| 180 | result = dict.get(key, args);
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| 181 | if(result != null) {
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| 182 | return result;
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| 183 | }
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| 184 | }
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[8540] | 185 |
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[18308] | 186 | if (result == null && !interface_name.equals("default")) { // not found, try the default interface
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| 187 | dict = new Dictionary("interface_default", lang);
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| 188 | result = dict.get(key, args);
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| 189 | }
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| 190 |
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| 191 | if (result == null) { // not found
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| 192 | return "_"+key+"_";
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| 193 | }
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| 194 |
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| 195 | return result;
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| 196 | }
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| 197 |
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[8540] | 198 | public static boolean isImage(String mimetype) {
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| 199 | if (mimetype.startsWith("image/")) {
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| 200 | return true;
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| 201 | }
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| 202 | return false;
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| 203 | }
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[8649] | 204 |
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| 205 | public static String formatDate(String date, String lang) {
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[8657] | 206 |
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[8649] | 207 | String in_pattern = "yyyyMMdd";
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| 208 | String out_pattern = "dd MMMM yyyy";
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[8657] | 209 | if (date.length()==6) {
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| 210 | in_pattern = "yyyyMM";
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| 211 | }
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| 212 |
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[8649] | 213 | SimpleDateFormat formatter = new SimpleDateFormat(in_pattern, new Locale(lang));
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| 214 | try {
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| 215 | Date d = formatter.parse(date);
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| 216 | formatter.applyPattern(out_pattern);
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| 217 | String new_date = formatter.format(d);
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| 218 | return new_date;
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| 219 | } catch (Exception e) {
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| 220 | return date;
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| 221 | }
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| 222 |
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| 223 | }
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| 224 |
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| 225 | public static String formatLanguage(String display_lang, String lang) {
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| 226 |
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| 227 | return new Locale(display_lang).getDisplayLanguage(new Locale(lang));
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| 228 | }
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[8824] | 229 |
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| 230 | public static String cgiSafe(String original, String lang) {
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| 231 |
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| 232 | original = original.replace('&', ' ');
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| 233 | original = original.replaceAll(" ", "%20");
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| 234 | return original;
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| 235 | }
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[15977] | 236 |
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| 237 | public static String formatBigNumber(String num){
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| 238 |
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| 239 | String num_str = num;
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| 240 | char[] num_chars = num_str.toCharArray();
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| 241 | String zero_str = "";
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| 242 | String formatted_str = "";
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| 243 |
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| 244 | for(int i = num_chars.length-4; i >=0; i--){
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| 245 | zero_str += '0';
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| 246 | }
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| 247 |
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| 248 | String sig_str = "";
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| 249 | for(int i = 0; i<3 && i < num_chars.length; i++){
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| 250 | sig_str = sig_str + num_chars[i];
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| 251 | if(i == 1 && i+1 < num_chars.length){
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| 252 | sig_str = sig_str + ".";
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| 253 | }
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| 254 | }
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| 255 |
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| 256 | int sig_int = Math.round(Float.parseFloat(sig_str));
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| 257 | String new_sig_str = sig_int +"";
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| 258 | if(sig_str.length() > 2){
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| 259 | new_sig_str = sig_int + "0";
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| 260 | }
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| 261 |
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| 262 | char[] final_chars = (new_sig_str+zero_str).toCharArray();
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| 263 | int count = 1;
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| 264 | for(int i=final_chars.length -1 ; i>=0; i-- ){
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| 265 | formatted_str = final_chars[i] + formatted_str ;
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| 266 | if(count == 3 && i !=0){
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| 267 | formatted_str = "," +formatted_str;
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| 268 | count = 1;
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| 269 | }
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| 270 | else{
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| 271 | count++;
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| 272 | }
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| 273 | }
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| 274 | return formatted_str;
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| 275 | }
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| 276 |
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[3341] | 277 | }
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[4702] | 278 |
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