[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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[23791] | 30 | import org.apache.commons.lang3.StringUtils;
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| 31 |
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[4702] | 32 | /** a class to contain various static methods that are used by the xslt
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[3341] | 33 | * stylesheets
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| 34 | */
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| 35 | public class XSLTUtil {
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| 36 |
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[13270] | 37 | static Logger logger = Logger.getLogger(org.greenstone.gsdl3.util.XSLTUtil.class.getName());
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[13124] | 38 |
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[10783] | 39 | /* some tests */
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[6232] | 40 | public static boolean equals(String s1, String s2) {
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| 41 | return s1.equals(s2);
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| 42 | }
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[10783] | 43 | public static boolean notEquals(String s1, String s2) {
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| 44 | return !s1.equals(s2);
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| 45 | }
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[6297] | 46 | public static boolean exists(String s1, String s2) {
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| 47 | return !s1.equals("");
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| 48 | }
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[6232] | 49 | public static boolean contains(String s1, String s2) {
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| 50 | return (s1.indexOf(s2) != -1);
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| 51 | }
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| 52 | public static boolean startsWith(String s1, String s2) {
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| 53 | return s1.startsWith(s2);
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| 54 | }
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| 55 | public static boolean endsWith(String s1, String s2) {
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| 56 | return s1.endsWith(s2);
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| 57 | }
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[10783] | 58 | public static boolean lessThan(String s1, String s2) {
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| 59 | return (s1.compareTo(s2) < 0);
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| 60 | }
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| 61 | public static boolean lessThanOrEquals(String s1, String s2) {
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| 62 | return (s1.compareTo(s2) <= 0);
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| 63 | }
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| 64 | public static boolean greaterThan(String s1, String s2) {
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| 65 | return (s1.compareTo(s2) > 0);
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| 66 | }
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| 67 | public static boolean greaterThanOrEquals(String s1, String s2) {
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| 68 | return (s1.compareTo(s2) >= 0);
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| 69 | }
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| 70 |
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| 71 | /* some preprocessing functions */
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[6232] | 72 | public static String toLower(String orig) {
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[3341] | 73 | return orig.toLowerCase();
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| 74 | }
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[6232] | 75 | public static String toUpper(String orig) {
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| 76 | return orig.toUpperCase();
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| 77 | }
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[3341] | 78 |
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[3362] | 79 | public static byte[] toUTF8(String orig) {
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| 80 |
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| 81 | try {
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| 82 | byte[] utf8 = orig.getBytes("UTF-8");
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| 83 | return utf8;
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| 84 | }
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| 85 | catch (Exception e){
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[13124] | 86 | logger.error("unsupported encoding");
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[3362] | 87 | return orig.getBytes();
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| 88 | }
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| 89 | }
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| 90 |
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[3602] | 91 | public static String getNumberedItem(String list, int number) {
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[23791] | 92 | String [] items = StringUtils.split(list, ",", -1);
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[4244] | 93 | if (items.length > number) {
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| 94 | return items[number];
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| 95 | }
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| 96 | return ""; // index out of bounds
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[3602] | 97 | }
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[4271] | 98 |
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[24219] | 99 | /** Generates links to equivalent documents for a document with a default document icon/type.
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| 100 | * Links are generated from the parameters: a list of document icons which are each in turn embedded
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| 101 | * in the matching starting link tag in the list of docStartLinks (these starting links link to the
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| 102 | * equivalent documents in another format). Each link's start tag is closed with the corresponding
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| 103 | * closing tag in the docEndLinks list. Parameter token is the list separator. Parameter divider is
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| 104 | * the string that should separate each final link generated from the next.
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| 105 | * Returns a string that represents a sequence of links to equivalent documents, where the anchor is
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| 106 | * a document icon. */
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| 107 | public static String getEquivDocLinks(String token, String docIconsString, String docStartLinksString,
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| 108 | String docEndLinksString, String divider)
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| 109 | {
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| 110 | String [] docIcons = StringUtils.split(docIconsString, token, -1);
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| 111 | String [] startLinks = StringUtils.split(docStartLinksString, token, -1);
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| 112 | String [] endLinks = StringUtils.split(docEndLinksString, token, -1);
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| 113 |
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| 114 | StringBuffer buffer = new StringBuffer();
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| 115 | for(int i = 0; i < docIcons.length; i++) {
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| 116 | if(i > 0) {
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| 117 | buffer.append(divider);
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| 118 | }
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| 119 | buffer.append(startLinks[i]+docIcons[i]+endLinks[i]);
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| 120 | }
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| 121 |
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| 122 | return buffer.toString();
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| 123 | }
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| 124 |
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[4271] | 125 |
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| 126 | public static String tidyWhitespace(String original) {
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| 127 |
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| 128 | if (original==null || original.equals("")) {
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| 129 | return original;
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| 130 | }
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| 131 | String new_s = original.replaceAll("\\s+", " ");
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| 132 | return new_s;
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| 133 | }
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[4702] | 134 |
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| 135 |
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| 136 | public static String getInterfaceText(String interface_name, String lang, String key) {
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| 137 | return getInterfaceText(interface_name, lang, key, null);
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| 138 | }
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| 139 | public static String getInterfaceText(String interface_name, String lang, String key, String args_str) {
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[24393] | 140 |
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| 141 | key = key.replaceAll("__INTERFACE_NAME__", interface_name);
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| 142 |
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[4702] | 143 | String [] args = null;
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| 144 | if (args_str!=null && !args_str.equals("")) {
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[23791] | 145 | args = StringUtils.split(args_str, ";");
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[4702] | 146 | }
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| 147 | Dictionary dict = new Dictionary("interface_"+interface_name, lang);
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[14397] | 148 | String result = dict.get(key, args);
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| 149 | if (result == null) { // not found
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| 150 | //if not found, search a separate subdirectory named by the interface name
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| 151 | String sep_interface_dir = interface_name + File.separatorChar + lang + File.separatorChar + "interface";
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| 152 | dict = new Dictionary(sep_interface_dir, lang);
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| 153 | result = dict.get(key, args);
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| 154 | if(result != null) {
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| 155 | return result;
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| 156 | }
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| 157 | }
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[4702] | 158 |
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| 159 | if (result == null && !interface_name.equals("default")) { // not found, try the default interface
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| 160 | dict = new Dictionary("interface_default", lang);
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| 161 | result = dict.get(key, args);
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| 162 | }
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| 163 |
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| 164 | if (result == null) { // not found
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[14397] | 165 | return "_"+key+"_";
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[18308] | 166 | }
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| 167 | return result;
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| 168 | }
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| 169 |
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| 170 | public static String getInterfaceTextWithDOM(String interface_name, String lang, String key, Node arg_node) {
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| 171 | String [] args = new String [1];
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| 172 |
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| 173 | String node_str = XMLConverter.getString(arg_node);
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| 174 | args[0] = node_str;
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| 175 | Dictionary dict = new Dictionary("interface_"+interface_name, lang);
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| 176 | String result = dict.get(key, args);
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| 177 | if (result == null) { // not found
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| 178 | //if not found, search a separate subdirectory named by the interface name
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| 179 | String sep_interface_dir = interface_name + File.separatorChar + lang + File.separatorChar + "interface";
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| 180 | dict = new Dictionary(sep_interface_dir, lang);
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| 181 | result = dict.get(key, args);
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| 182 | if(result != null) {
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| 183 | return result;
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| 184 | }
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| 185 | }
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| 186 |
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| 187 | if (result == null && !interface_name.equals("default")) { // not found, try the default interface
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| 188 | dict = new Dictionary("interface_default", lang);
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| 189 | result = dict.get(key, args);
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| 190 | }
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| 191 |
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| 192 | if (result == null) { // not found
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| 193 | return "_"+key+"_";
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[4702] | 194 | }
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[18308] | 195 |
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[4702] | 196 | return result;
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| 197 | }
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[18308] | 198 | public static String getInterfaceTextWithDOM(String interface_name, String lang, String key, Node arg1_node, Node arg2_node) {
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| 199 | String [] args = new String [2];
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| 200 |
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| 201 | String node_str = XMLConverter.getString(arg1_node);
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| 202 | args[0] = node_str;
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| 203 | node_str = XMLConverter.getString(arg2_node);
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| 204 | args[1] = node_str;
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| 205 | Dictionary dict = new Dictionary("interface_"+interface_name, lang);
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| 206 | String result = dict.get(key, args);
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| 207 | if (result == null) { // not found
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| 208 | //if not found, search a separate subdirectory named by the interface name
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| 209 | String sep_interface_dir = interface_name + File.separatorChar + lang + File.separatorChar + "interface";
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| 210 | dict = new Dictionary(sep_interface_dir, lang);
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| 211 | result = dict.get(key, args);
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| 212 | if(result != null) {
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| 213 | return result;
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| 214 | }
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| 215 | }
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[8540] | 216 |
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[18308] | 217 | if (result == null && !interface_name.equals("default")) { // not found, try the default interface
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| 218 | dict = new Dictionary("interface_default", lang);
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| 219 | result = dict.get(key, args);
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| 220 | }
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| 221 |
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| 222 | if (result == null) { // not found
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| 223 | return "_"+key+"_";
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| 224 | }
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| 225 |
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| 226 | return result;
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| 227 | }
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| 228 |
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[8540] | 229 | public static boolean isImage(String mimetype) {
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| 230 | if (mimetype.startsWith("image/")) {
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| 231 | return true;
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| 232 | }
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| 233 | return false;
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| 234 | }
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[8649] | 235 |
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| 236 | public static String formatDate(String date, String lang) {
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[8657] | 237 |
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[8649] | 238 | String in_pattern = "yyyyMMdd";
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| 239 | String out_pattern = "dd MMMM yyyy";
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[8657] | 240 | if (date.length()==6) {
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| 241 | in_pattern = "yyyyMM";
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| 242 | }
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| 243 |
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[8649] | 244 | SimpleDateFormat formatter = new SimpleDateFormat(in_pattern, new Locale(lang));
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| 245 | try {
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| 246 | Date d = formatter.parse(date);
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| 247 | formatter.applyPattern(out_pattern);
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| 248 | String new_date = formatter.format(d);
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| 249 | return new_date;
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| 250 | } catch (Exception e) {
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| 251 | return date;
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| 252 | }
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| 253 |
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| 254 | }
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| 255 |
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| 256 | public static String formatLanguage(String display_lang, String lang) {
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| 257 |
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| 258 | return new Locale(display_lang).getDisplayLanguage(new Locale(lang));
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| 259 | }
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[8824] | 260 |
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| 261 | public static String cgiSafe(String original, String lang) {
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| 262 |
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| 263 | original = original.replace('&', ' ');
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| 264 | original = original.replaceAll(" ", "%20");
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| 265 | return original;
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| 266 | }
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[15977] | 267 |
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| 268 | public static String formatBigNumber(String num){
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| 269 |
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| 270 | String num_str = num;
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| 271 | char[] num_chars = num_str.toCharArray();
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| 272 | String zero_str = "";
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| 273 | String formatted_str = "";
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| 274 |
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| 275 | for(int i = num_chars.length-4; i >=0; i--){
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| 276 | zero_str += '0';
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| 277 | }
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| 278 |
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| 279 | String sig_str = "";
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| 280 | for(int i = 0; i<3 && i < num_chars.length; i++){
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| 281 | sig_str = sig_str + num_chars[i];
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| 282 | if(i == 1 && i+1 < num_chars.length){
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| 283 | sig_str = sig_str + ".";
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| 284 | }
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| 285 | }
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| 286 |
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| 287 | int sig_int = Math.round(Float.parseFloat(sig_str));
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| 288 | String new_sig_str = sig_int +"";
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| 289 | if(sig_str.length() > 2){
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| 290 | new_sig_str = sig_int + "0";
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| 291 | }
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| 292 |
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| 293 | char[] final_chars = (new_sig_str+zero_str).toCharArray();
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| 294 | int count = 1;
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| 295 | for(int i=final_chars.length -1 ; i>=0; i-- ){
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| 296 | formatted_str = final_chars[i] + formatted_str ;
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| 297 | if(count == 3 && i !=0){
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| 298 | formatted_str = "," +formatted_str;
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| 299 | count = 1;
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| 300 | }
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| 301 | else{
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| 302 | count++;
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| 303 | }
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| 304 | }
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| 305 | return formatted_str;
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| 306 | }
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| 307 |
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[23968] | 308 | public static String hashToSectionId(String hashString)
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| 309 | {
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[24117] | 310 | if(hashString == null || hashString.length() == 0) {return "";}
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[23968] | 311 |
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| 312 | int firstDotIndex = hashString.indexOf(".");
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| 313 | if(firstDotIndex == -1)
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| 314 | {
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| 315 | return "";
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| 316 | }
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| 317 |
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| 318 | String sectionString = hashString.substring(firstDotIndex + 1);
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| 319 |
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| 320 | return sectionString;
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| 321 | }
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| 322 |
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| 323 | public static String hashToDepthClass(String hashString)
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| 324 | {
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[24117] | 325 | if(hashString == null || hashString.length() == 0) {return "";}
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[23968] | 326 |
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| 327 | String sectionString = hashToSectionId(hashString);
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| 328 |
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| 329 | int count = sectionString.split("\\.").length;
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| 330 |
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| 331 | if (sectionString.equals(""))
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| 332 | {
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| 333 | return "sectionHeaderDepthTitle";
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| 334 | }
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| 335 | else
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| 336 | {
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| 337 | return "sectionHeaderDepth" + count;
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| 338 | }
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| 339 | }
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[3341] | 340 | }
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[4702] | 341 |
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