Changeset 26254 for main/trunk


Ignore:
Timestamp:
2012-09-26T12:44:47+12:00 (12 years ago)
Author:
sjm84
Message:

Reformatting this file

File:
1 edited

Legend:

Unmodified
Added
Removed

  • main/trunk/greenstone3/src/java/org/greenstone/gsdl3/util/Dictionary.java

    r26248 r26254  
    2525import org.apache.log4j.*;
    2626
    27 public class Dictionary {
    28 
    29     static Logger logger = Logger.getLogger(org.greenstone.gsdl3.util.Dictionary.class.getName());
    30 
    31     /** The locale of this dictionary. */
    32     protected Locale locale = null;
    33    
    34     /** The resource that has been loaded */
    35     protected String resource = null;
    36 
    37     /** The ResourceBundle which contains the raw key-value mappings. Loaded from a file named "resource_locale.properties*/
    38     private ResourceBundle raw = null;
    39 
    40     /**  Constructs the Dictionary class by first creating a locale from the specified language, (or using the default locale if this didn't work), then loading a resource bundle based on this locale.
    41      */
    42     public Dictionary(String resource, String lang) {
    43     // Initialize.
    44    
    45     this.locale = new Locale(lang);
    46     this.resource = resource;
    47     if (this.locale == null) {
    48         this.locale = Locale.getDefault();
    49     }
    50     try {
    51         this.raw = ResourceBundle.getBundle(this.resource, this.locale);
    52     } catch (Exception e) {
    53         //logger.debug("Dictionary: couldn't locate a resource bundle for "+resource);
    54     }
    55     }
    56 
    57     public Dictionary(String resource, Locale locale) {
    58     this.locale = locale;
    59     this.resource = resource;
    60     try {
    61         this.raw = ResourceBundle.getBundle(this.resource, this.locale);
    62     } catch (Exception e) {
    63         //logger.debug("Dictionary: couldn't locate a resource bundle for "+resource);
    64     }
    65     }
    66 
    67     /**  Constructs the Dictionary class by first creating a locale from the specified language, (or using the default locale if this didn't work), then loading a resource bundle based on this locale. A classloader is specified which can be used to find the resource.
    68      */
    69     public Dictionary(String resource, String lang, ClassLoader loader) {
    70     // Initialize.
    71    
    72     this.locale = new Locale(lang);
    73     this.resource = resource;
    74     if (this.locale == null) {
    75         this.locale = Locale.getDefault();
    76     }
    77     // try the specified class loader
    78     try {
    79         this.raw = ResourceBundle.getBundle(this.resource, this.locale, loader);
    80         return;
    81     } catch (Exception e) {};
    82    
    83     try {
    84         this.raw = ResourceBundle.getBundle(this.resource, this.locale);
    85     } catch (Exception ex) {
    86         //logger.debug("Dictionary: couldn't locate a resource bundle for "+resource);
    87     }
    88    
    89     }
    90 
    91    
    92     public Enumeration getKeys() {
    93     if (this.raw != null) {
    94         return this.raw.getKeys();
    95     }
    96     return null;
    97     }
    98     /** Overloaded to call get with both a key and an empty argument array.
    99      * @param key A <strong>String</strong> which is mapped to a initial String within the ResourceBundle.
    100      * @return A <strong>String</strong> which has been referenced by the key String and that  contains no argument fields.
    101      */
    102     public String get(String key) {
    103     return get(key, null);
    104     }
    105    
    106     /** Used to retrieve a property value from the Locale specific ResourceBundle, based upon the key and arguments supplied. If the key cannot be found or if some other part of the call fails a default (English) error message is returned. <BR>
    107      * Here the get recieves a second argument which is an array of Strings used to populate argument fields, denoted {<I>n</I>}, within the value String returned.
    108      * @param key A <strong>String</strong> which is mapped to a initial String within the ResourceBundle.
    109      * @param args A <strong>String[]</strong> used to populate argument fields within the complete String.
    110      * @return A <strong>String</strong> which has been referenced by the key String and that either contains no argument fields, or has had the argument fields  populated  with argument Strings provided in the get call.
    111      */
    112     public String get(String key, String args[]) {
    113     if (this.raw == null) {
    114         return null;
    115     }
    116     try {
    117         String initial_raw = this.raw.getString(key);
    118         // convert to unicode, copied from gatherer dictionary
    119         String initial = new String(initial_raw.getBytes("ISO-8859-1"), "UTF-8");
    120 
    121         // Remove any comments from the string
    122         if (initial.indexOf("#") != -1) {
    123         initial = initial.substring(0, initial.indexOf("#"));
    124         }
    125         // if we haven't been given any args, don't bother looking for them
    126         if (args == null) {
    127           return initial;
    128         }
    129         // If the string contains arguments we have to insert them.
    130         StringBuffer complete = new StringBuffer();
    131         // While we still have initial string left.
    132         while(initial.length() > 0 && initial.indexOf('{') != -1 && initial.indexOf('}') != -1) {
    133         // Remove preamble
    134         int opening = initial.indexOf('{');
    135         int closing = initial.indexOf('}');
    136         int comment_mark = initial.indexOf('-', opening); // May not exist
    137         if (comment_mark > closing) { // May also be detecting a later comment
    138             comment_mark = -1;
    139         }
    140         complete.append(initial.substring(0, opening));
    141        
    142         // Parse arg_num
    143         String arg_str = null;
    144         if (comment_mark != -1) {
    145           arg_str = initial.substring(opening + 1, comment_mark);
    146         } else {
    147           arg_str = initial.substring(opening + 1, closing);
    148         }
    149         if(closing + 1 < initial.length()) {
    150             initial = initial.substring(closing + 1);
    151         }
    152         else {
    153             initial = "";
    154         }
    155         int arg_num = Integer.parseInt(arg_str);
    156         // Insert argument
    157         if(args != null && 0 <= arg_num && arg_num < args.length) {
    158           complete.append(args[arg_num]);
    159         }
    160         }
    161         complete.append(initial);
    162         return complete.toString();
    163     }
    164     catch (Exception e) {
    165         //logger.debug("Dictionary Error: couldn't find string for key:" + key +" in resource "+this.resource);
    166         return null;
    167     }
    168     }
     27public class Dictionary
     28{
     29
     30    static Logger logger = Logger.getLogger(org.greenstone.gsdl3.util.Dictionary.class.getName());
     31
     32    /** The locale of this dictionary. */
     33    protected Locale locale = null;
     34
     35    /** The resource that has been loaded */
     36    protected String resource = null;
     37
     38    /**
     39     * The ResourceBundle which contains the raw key-value mappings. Loaded from
     40     * a file named "resource_locale.properties
     41     */
     42    private ResourceBundle raw = null;
     43
     44    /**
     45     * Constructs the Dictionary class by first creating a locale from the
     46     * specified language, (or using the default locale if this didn't work),
     47     * then loading a resource bundle based on this locale.
     48     */
     49    public Dictionary(String resource, String lang)
     50    {
     51        // Initialize.
     52
     53        this.locale = new Locale(lang);
     54        this.resource = resource;
     55        if (this.locale == null)
     56        {
     57            this.locale = Locale.getDefault();
     58        }
     59        try
     60        {
     61            this.raw = ResourceBundle.getBundle(this.resource, this.locale);
     62        }
     63        catch (Exception e)
     64        {
     65            //logger.debug("Dictionary: couldn't locate a resource bundle for "+resource);
     66        }
     67    }
     68
     69    public Dictionary(String resource, Locale locale)
     70    {
     71        this.locale = locale;
     72        this.resource = resource;
     73        try
     74        {
     75            this.raw = ResourceBundle.getBundle(this.resource, this.locale);
     76        }
     77        catch (Exception e)
     78        {
     79            //logger.debug("Dictionary: couldn't locate a resource bundle for "+resource);
     80        }
     81    }
     82
     83    /**
     84     * Constructs the Dictionary class by first creating a locale from the
     85     * specified language, (or using the default locale if this didn't work),
     86     * then loading a resource bundle based on this locale. A classloader is
     87     * specified which can be used to find the resource.
     88     */
     89    public Dictionary(String resource, String lang, ClassLoader loader)
     90    {
     91        // Initialize.
     92        this.locale = new Locale(lang);
     93        this.resource = resource;
     94        if (this.locale == null)
     95        {
     96            this.locale = Locale.getDefault();
     97        }
     98        // try the specified class loader
     99        try
     100        {
     101            this.raw = ResourceBundle.getBundle(this.resource, this.locale, loader);
     102            return;
     103        }
     104        catch (Exception e)
     105        {
     106        }
     107        ;
     108
     109        try
     110        {
     111            this.raw = ResourceBundle.getBundle(this.resource, this.locale);
     112        }
     113        catch (Exception ex)
     114        {
     115            //logger.debug("Dictionary: couldn't locate a resource bundle for "+resource);
     116        }
     117    }
     118
     119    public Enumeration getKeys()
     120    {
     121        if (this.raw != null)
     122        {
     123            return this.raw.getKeys();
     124        }
     125        return null;
     126    }
     127
     128    /**
     129     * Overloaded to call get with both a key and an empty argument array.
     130     *
     131     * @param key
     132     *            A <strong>String</strong> which is mapped to a initial String
     133     *            within the ResourceBundle.
     134     * @return A <strong>String</strong> which has been referenced by the key
     135     *         String and that contains no argument fields.
     136     */
     137    public String get(String key)
     138    {
     139        return get(key, null);
     140    }
     141
     142    /**
     143     * Used to retrieve a property value from the Locale specific
     144     * ResourceBundle, based upon the key and arguments supplied. If the key
     145     * cannot be found or if some other part of the call fails a default
     146     * (English) error message is returned. <BR>
     147     * Here the get recieves a second argument which is an array of Strings used
     148     * to populate argument fields, denoted {<I>n</I>}, within the value String
     149     * returned.
     150     *
     151     * @param key
     152     *            A <strong>String</strong> which is mapped to a initial String
     153     *            within the ResourceBundle.
     154     * @param args
     155     *            A <strong>String[]</strong> used to populate argument fields
     156     *            within the complete String.
     157     * @return A <strong>String</strong> which has been referenced by the key
     158     *         String and that either contains no argument fields, or has had
     159     *         the argument fields populated with argument Strings provided in
     160     *         the get call.
     161     */
     162    public String get(String key, String args[])
     163    {
     164        String argsStr = "";
     165        if (args != null)
     166        {
     167            for (String arg : args)
     168            {
     169                argsStr += arg + " ";
     170            }
     171        }
     172
     173        if (this.raw == null)
     174        {
     175            return null;
     176        }
     177        try
     178        {
     179            String initial_raw = this.raw.getString(key);
     180            // convert to unicode, copied from gatherer dictionary
     181            String initial = new String(initial_raw.getBytes("ISO-8859-1"), "UTF-8");
     182
     183            // Remove any comments from the string
     184            if (initial.indexOf("#") != -1)
     185            {
     186                initial = initial.substring(0, initial.indexOf("#"));
     187            }
     188            // if we haven't been given any args, don't bother looking for them
     189            if (args == null)
     190            {
     191                return initial;
     192            }
     193            // If the string contains arguments we have to insert them.
     194            StringBuffer complete = new StringBuffer();
     195            // While we still have initial string left.
     196            while (initial.length() > 0 && initial.indexOf('{') != -1 && initial.indexOf('}') != -1)
     197            {
     198                // Remove preamble
     199                int opening = initial.indexOf('{');
     200                int closing = initial.indexOf('}');
     201                int comment_mark = initial.indexOf('-', opening); // May not exist
     202                if (comment_mark > closing)
     203                { // May also be detecting a later comment
     204                    comment_mark = -1;
     205                }
     206                complete.append(initial.substring(0, opening));
     207
     208                // Parse arg_num
     209                String arg_str = null;
     210                if (comment_mark != -1)
     211                {
     212                    arg_str = initial.substring(opening + 1, comment_mark);
     213                }
     214                else
     215                {
     216                    arg_str = initial.substring(opening + 1, closing);
     217                }
     218                if (closing + 1 < initial.length())
     219                {
     220                    initial = initial.substring(closing + 1);
     221                }
     222                else
     223                {
     224                    initial = "";
     225                }
     226                int arg_num = Integer.parseInt(arg_str);
     227                // Insert argument
     228                if (args != null && 0 <= arg_num && arg_num < args.length)
     229                {
     230                    complete.append(args[arg_num]);
     231                }
     232            }
     233            complete.append(initial);
     234            return complete.toString();
     235        }
     236        catch (Exception e)
     237        {
     238            //logger.debug("Dictionary Error: couldn't find string for key:" + key +" in resource "+this.resource);
     239            return null;
     240        }
     241    }
    169242}
    170 
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