+++ /dev/null
-package be.nikiroo.utils.resources;
-
-import java.io.BufferedWriter;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.OutputStreamWriter;
-import java.io.Reader;
-import java.io.Writer;
-import java.lang.reflect.Field;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Locale;
-import java.util.Map;
-import java.util.MissingResourceException;
-import java.util.PropertyResourceBundle;
-import java.util.ResourceBundle;
-
-import be.nikiroo.utils.resources.Meta.Format;
-
-/**
- * This class encapsulate a {@link ResourceBundle} in UTF-8. It allows to
- * retrieve values associated to an enumeration, and allows some additional
- * methods.
- * <p>
- * It also sports a writable change map, and you can save back the
- * {@link Bundle} to file with {@link Bundle#updateFile(String)}.
- *
- * @param <E>
- * the enum to use to get values out of this class
- *
- * @author niki
- */
-
-public class Bundle<E extends Enum<E>> {
- /** The type of E. */
- protected Class<E> type;
- /**
- * The {@link Enum} associated to this {@link Bundle} (all the keys used in
- * this {@link Bundle} will be of this type).
- */
- protected Enum<?> keyType;
-
- private TransBundle<E> descriptionBundle;
-
- /** R/O map */
- private Map<String, String> map;
- /** R/W map */
- private Map<String, String> changeMap;
-
- /**
- * Create a new {@link Bundles} of the given name.
- *
- * @param type
- * a runtime instance of the class of E
- * @param name
- * the name of the {@link Bundles}
- * @param descriptionBundle
- * the description {@link TransBundle}, that is, a
- * {@link TransBundle} dedicated to the description of the values
- * of the given {@link Bundle} (can be NULL)
- */
- protected Bundle(Class<E> type, Enum<?> name,
- TransBundle<E> descriptionBundle) {
- this.type = type;
- this.keyType = name;
- this.descriptionBundle = descriptionBundle;
-
- this.map = new HashMap<String, String>();
- this.changeMap = new HashMap<String, String>();
- setBundle(name, Locale.getDefault(), false);
- }
-
- /**
- * Check if the setting is set into this {@link Bundle}.
- *
- * @param id
- * the id of the setting to check
- * @param includeDefaultValue
- * TRUE to only return false when the setting is not set AND
- * there is no default value
- *
- * @return TRUE if the setting is set
- */
- public boolean isSet(E id, boolean includeDefaultValue) {
- return isSet(id.name(), includeDefaultValue);
- }
-
- /**
- * Check if the setting is set into this {@link Bundle}.
- *
- * @param name
- * the id of the setting to check
- * @param includeDefaultValue
- * TRUE to only return false when the setting is not set AND
- * there is no default value
- *
- * @return TRUE if the setting is set
- */
- protected boolean isSet(String name, boolean includeDefaultValue) {
- if (getString(name, null) == null) {
- if (!includeDefaultValue || getString(name, "") == null) {
- return false;
- }
- }
-
- return true;
- }
-
- /**
- * Return the value associated to the given id as a {@link String}.
- *
- * @param id
- * the id of the value to get
- *
- * @return the associated value, or NULL if not found (not present in the
- * resource file)
- */
- public String getString(E id) {
- return getString(id, null);
- }
-
- /**
- * Return the value associated to the given id as a {@link String}.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- * @param def
- * the default value when it is not present in the config file
- *
- * @return the associated value, or NULL if not found (not present in the
- * resource file)
- */
- public String getString(E id, String def) {
- return getString(id, def, -1);
- }
-
- /**
- * Return the value associated to the given id as a {@link String}.
- * <p>
- * If no value is associated (or if it is empty!), take the default one if
- * any.
- *
- * @param id
- * the id of the value to get
- * @param def
- * the default value when it is not present in the config file
- * @param item
- * the item number to get for an array of values, or -1 for
- * non-arrays
- *
- * @return the associated value, or NULL if not found (not present in the
- * resource file)
- */
- public String getString(E id, String def, int item) {
- String rep = getString(id.name(), null);
- if (rep == null) {
- try {
- Meta meta = type.getDeclaredField(id.name()).getAnnotation(
- Meta.class);
- rep = meta.def();
- } catch (NoSuchFieldException e) {
- } catch (SecurityException e) {
- }
- }
-
- if (rep == null || rep.isEmpty()) {
- return def;
- }
-
- if (item >= 0) {
- List<String> values = BundleHelper.parseList(rep, item);
- if (values != null && item < values.size()) {
- return values.get(item);
- }
-
- return null;
- }
-
- return rep;
- }
-
- /**
- * Set the value associated to the given id as a {@link String}.
- *
- * @param id
- * the id of the value to set
- * @param value
- * the value
- *
- */
- public void setString(E id, String value) {
- setString(id.name(), value);
- }
-
- /**
- * Set the value associated to the given id as a {@link String}.
- *
- * @param id
- * the id of the value to set
- * @param value
- * the value
- * @param item
- * the item number to get for an array of values, or -1 for
- * non-arrays
- *
- */
- public void setString(E id, String value, int item) {
- if (item < 0) {
- setString(id.name(), value);
- } else {
- List<String> values = getList(id);
- setString(id.name(), BundleHelper.fromList(values, value, item));
- }
- }
-
- /**
- * Return the value associated to the given id as a {@link String} suffixed
- * with the runtime value "_suffix" (that is, "_" and suffix).
- * <p>
- * Will only accept suffixes that form an existing id.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- * @param suffix
- * the runtime suffix
- *
- * @return the associated value, or NULL if not found (not present in the
- * resource file)
- */
- public String getStringX(E id, String suffix) {
- return getStringX(id, suffix, null, -1);
- }
-
- /**
- * Return the value associated to the given id as a {@link String} suffixed
- * with the runtime value "_suffix" (that is, "_" and suffix).
- * <p>
- * Will only accept suffixes that form an existing id.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- * @param suffix
- * the runtime suffix
- * @param def
- * the default value when it is not present in the config file
- *
- * @return the associated value, or NULL if not found (not present in the
- * resource file)
- */
- public String getStringX(E id, String suffix, String def) {
- return getStringX(id, suffix, def, -1);
- }
-
- /**
- * Return the value associated to the given id as a {@link String} suffixed
- * with the runtime value "_suffix" (that is, "_" and suffix).
- * <p>
- * Will only accept suffixes that form an existing id.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- * @param suffix
- * the runtime suffix
- * @param def
- * the default value when it is not present in the config file
- * @param item
- * the item number to get for an array of values, or -1 for
- * non-arrays
- *
- * @return the associated value, or NULL if not found (not present in the
- * resource file)
- */
- public String getStringX(E id, String suffix, String def, int item) {
- String key = id.name()
- + (suffix == null ? "" : "_" + suffix.toUpperCase());
-
- try {
- id = Enum.valueOf(type, key);
- return getString(id, def, item);
- } catch (IllegalArgumentException e) {
- }
-
- return null;
- }
-
- /**
- * Set the value associated to the given id as a {@link String} suffixed
- * with the runtime value "_suffix" (that is, "_" and suffix).
- * <p>
- * Will only accept suffixes that form an existing id.
- *
- * @param id
- * the id of the value to set
- * @param suffix
- * the runtime suffix
- * @param value
- * the value
- */
- public void setStringX(E id, String suffix, String value) {
- setStringX(id, suffix, value, -1);
- }
-
- /**
- * Set the value associated to the given id as a {@link String} suffixed
- * with the runtime value "_suffix" (that is, "_" and suffix).
- * <p>
- * Will only accept suffixes that form an existing id.
- *
- * @param id
- * the id of the value to set
- * @param suffix
- * the runtime suffix
- * @param value
- * the value
- * @param item
- * the item number to get for an array of values, or -1 for
- * non-arrays
- */
- public void setStringX(E id, String suffix, String value, int item) {
- String key = id.name()
- + (suffix == null ? "" : "_" + suffix.toUpperCase());
-
- try {
- id = Enum.valueOf(type, key);
- setString(id, value, item);
- } catch (IllegalArgumentException e) {
- }
- }
-
- /**
- * Return the value associated to the given id as a {@link Boolean}.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- *
- * @return the associated value
- */
- public Boolean getBoolean(E id) {
- return BundleHelper.parseBoolean(getString(id), -1);
- }
-
- /**
- * Return the value associated to the given id as a {@link Boolean}.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- * @param def
- * the default value when it is not present in the config file or
- * if it is not a boolean value
- *
- * @return the associated value
- */
- public boolean getBoolean(E id, boolean def) {
- Boolean value = getBoolean(id);
- if (value != null) {
- return value;
- }
-
- return def;
- }
-
- /**
- * Return the value associated to the given id as a {@link Boolean}.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- * @param def
- * the default value when it is not present in the config file or
- * if it is not a boolean value
- * @param item
- * the item number to get for an array of values, or -1 for
- * non-arrays
- *
- * @return the associated value
- */
- public Boolean getBoolean(E id, boolean def, int item) {
- String value = getString(id);
- if (value != null) {
- return BundleHelper.parseBoolean(value, item);
- }
-
- return def;
- }
-
- /**
- * Set the value associated to the given id as a {@link Boolean}.
- *
- * @param id
- * the id of the value to set
- * @param value
- * the value
- *
- */
- public void setBoolean(E id, boolean value) {
- setBoolean(id, value, -1);
- }
-
- /**
- * Set the value associated to the given id as a {@link Boolean}.
- *
- * @param id
- * the id of the value to set
- * @param value
- * the value
- * @param item
- * the item number to get for an array of values, or -1 for
- * non-arrays
- *
- */
- public void setBoolean(E id, boolean value, int item) {
- setString(id, BundleHelper.fromBoolean(value), item);
- }
-
- /**
- * Return the value associated to the given id as an {@link Integer}.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- *
- * @return the associated value
- */
- public Integer getInteger(E id) {
- String value = getString(id);
- if (value != null) {
- return BundleHelper.parseInteger(value, -1);
- }
-
- return null;
- }
-
- /**
- * Return the value associated to the given id as an int.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- * @param def
- * the default value when it is not present in the config file or
- * if it is not a int value
- *
- * @return the associated value
- */
- public int getInteger(E id, int def) {
- Integer value = getInteger(id);
- if (value != null) {
- return value;
- }
-
- return def;
- }
-
- /**
- * Return the value associated to the given id as an int.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- * @param def
- * the default value when it is not present in the config file or
- * if it is not a int value
- * @param item
- * the item number to get for an array of values, or -1 for
- * non-arrays
- *
- * @return the associated value
- */
- public Integer getInteger(E id, int def, int item) {
- String value = getString(id);
- if (value != null) {
- return BundleHelper.parseInteger(value, item);
- }
-
- return def;
- }
-
- /**
- * Set the value associated to the given id as a {@link Integer}.
- *
- * @param id
- * the id of the value to set
- * @param value
- * the value
- *
- */
- public void setInteger(E id, int value) {
- setInteger(id, value, -1);
- }
-
- /**
- * Set the value associated to the given id as a {@link Integer}.
- *
- * @param id
- * the id of the value to set
- * @param value
- * the value
- * @param item
- * the item number to get for an array of values, or -1 for
- * non-arrays
- *
- */
- public void setInteger(E id, int value, int item) {
- setString(id, BundleHelper.fromInteger(value), item);
- }
-
- /**
- * Return the value associated to the given id as a {@link Character}.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- *
- * @return the associated value
- */
- public Character getCharacter(E id) {
- return BundleHelper.parseCharacter(getString(id), -1);
- }
-
- /**
- * Return the value associated to the given id as a {@link Character}.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- * @param def
- * the default value when it is not present in the config file or
- * if it is not a char value
- *
- * @return the associated value
- */
- public char getCharacter(E id, char def) {
- Character value = getCharacter(id);
- if (value != null) {
- return value;
- }
-
- return def;
- }
-
- /**
- * Return the value associated to the given id as a {@link Character}.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- * @param def
- * the default value when it is not present in the config file or
- * if it is not a char value
- * @param item
- * the item number to get for an array of values, or -1 for
- * non-arrays
- *
- * @return the associated value
- */
- public Character getCharacter(E id, char def, int item) {
- String value = getString(id);
- if (value != null) {
- return BundleHelper.parseCharacter(value, item);
- }
-
- return def;
- }
-
- /**
- * Set the value associated to the given id as a {@link Character}.
- *
- * @param id
- * the id of the value to set
- * @param value
- * the value
- *
- */
- public void setCharacter(E id, char value) {
- setCharacter(id, value, -1);
- }
-
- /**
- * Set the value associated to the given id as a {@link Character}.
- *
- * @param id
- * the id of the value to set
- * @param value
- * the value
- * @param item
- * the item number to get for an array of values, or -1 for
- * non-arrays
- *
- */
- public void setCharacter(E id, char value, int item) {
- setString(id, BundleHelper.fromCharacter(value), item);
- }
-
- /**
- * Return the value associated to the given id as a colour if it is found
- * and can be parsed.
- * <p>
- * The returned value is an ARGB value.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- *
- * @return the associated value
- */
- public Integer getColor(E id) {
- return BundleHelper.parseColor(getString(id), -1);
- }
-
- /**
- * Return the value associated to the given id as a colour if it is found
- * and can be parsed.
- * <p>
- * The returned value is an ARGB value.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- * @param def
- * the default value when it is not present in the config file or
- * if it is not a char value
- *
- * @return the associated value
- */
- public int getColor(E id, int def) {
- Integer value = getColor(id);
- if (value != null) {
- return value;
- }
-
- return def;
- }
-
- /**
- * Return the value associated to the given id as a colour if it is found
- * and can be parsed.
- * <p>
- * The returned value is an ARGB value.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- * @param def
- * the default value when it is not present in the config file or
- * if it is not a char value
- * @param item
- * the item number to get for an array of values, or -1 for
- * non-arrays
- *
- * @return the associated value
- */
- public Integer getColor(E id, int def, int item) {
- String value = getString(id);
- if (value != null) {
- return BundleHelper.parseColor(value, item);
- }
-
- return def;
- }
-
- /**
- * Set the value associated to the given id as a colour.
- * <p>
- * The value is a BGRA value.
- *
- * @param id
- * the id of the value to set
- * @param color
- * the new colour
- */
- public void setColor(E id, Integer color) {
- setColor(id, color, -1);
- }
-
- /**
- * Set the value associated to the given id as a Color.
- *
- * @param id
- * the id of the value to set
- * @param value
- * the value
- * @param item
- * the item number to get for an array of values, or -1 for
- * non-arrays
- *
- */
- public void setColor(E id, int value, int item) {
- setString(id, BundleHelper.fromColor(value), item);
- }
-
- /**
- * Return the value associated to the given id as a list of values if it is
- * found and can be parsed.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- *
- * @return the associated list, empty if the value is empty, NULL if it is
- * not found or cannot be parsed as a list
- */
- public List<String> getList(E id) {
- return BundleHelper.parseList(getString(id), -1);
- }
-
- /**
- * Return the value associated to the given id as a list of values if it is
- * found and can be parsed.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- * @param def
- * the default value when it is not present in the config file or
- * if it is not a char value
- *
- * @return the associated list, empty if the value is empty, NULL if it is
- * not found or cannot be parsed as a list
- */
- public List<String> getList(E id, List<String> def) {
- List<String> value = getList(id);
- if (value != null) {
- return value;
- }
-
- return def;
- }
-
- /**
- * Return the value associated to the given id as a list of values if it is
- * found and can be parsed.
- * <p>
- * If no value is associated, take the default one if any.
- *
- * @param id
- * the id of the value to get
- * @param def
- * the default value when it is not present in the config file or
- * if it is not a char value
- * @param item
- * the item number to get for an array of values, or -1 for
- * non-arrays
- *
- * @return the associated list, empty if the value is empty, NULL if it is
- * not found or cannot be parsed as a list
- */
- public List<String> getList(E id, List<String> def, int item) {
- String value = getString(id);
- if (value != null) {
- return BundleHelper.parseList(value, item);
- }
-
- return def;
- }
-
- /**
- * Set the value associated to the given id as a list of values.
- *
- * @param id
- * the id of the value to set
- * @param list
- * the new list of values
- */
- public void setList(E id, List<String> list) {
- setList(id, list, -1);
- }
-
- /**
- * Set the value associated to the given id as a {@link List}.
- *
- * @param id
- * the id of the value to set
- * @param value
- * the value
- * @param item
- * the item number to get for an array of values, or -1 for
- * non-arrays
- *
- */
- public void setList(E id, List<String> value, int item) {
- setString(id, BundleHelper.fromList(value), item);
- }
-
- /**
- * Create/update the .properties file.
- * <p>
- * Will use the most likely candidate as base if the file does not already
- * exists and this resource is translatable (for instance, "en_US" will use
- * "en" as a base if the resource is a translation file).
- * <p>
- * Will update the files in {@link Bundles#getDirectory()}; it <b>MUST</b>
- * be set.
- *
- * @throws IOException
- * in case of IO errors
- */
- public void updateFile() throws IOException {
- updateFile(Bundles.getDirectory());
- }
-
- /**
- * Create/update the .properties file.
- * <p>
- * Will use the most likely candidate as base if the file does not already
- * exists and this resource is translatable (for instance, "en_US" will use
- * "en" as a base if the resource is a translation file).
- *
- * @param path
- * the path where the .properties files are, <b>MUST NOT</b> be
- * NULL
- *
- * @throws IOException
- * in case of IO errors
- */
- public void updateFile(String path) throws IOException {
- File file = getUpdateFile(path);
-
- BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(
- new FileOutputStream(file), "UTF-8"));
-
- writeHeader(writer);
- writer.write("\n");
- writer.write("\n");
-
- for (Field field : type.getDeclaredFields()) {
- Meta meta = field.getAnnotation(Meta.class);
- if (meta != null) {
- E id = Enum.valueOf(type, field.getName());
- String info = getMetaInfo(meta);
-
- if (info != null) {
- writer.write(info);
- writer.write("\n");
- }
-
- writeValue(writer, id);
- }
- }
-
- writer.close();
- }
-
- /**
- * Delete the .properties file.
- * <p>
- * Will use the most likely candidate as base if the file does not already
- * exists and this resource is translatable (for instance, "en_US" will use
- * "en" as a base if the resource is a translation file).
- * <p>
- * Will delete the files in {@link Bundles#getDirectory()}; it <b>MUST</b>
- * be set.
- *
- * @return TRUE if the file was deleted
- */
- public boolean deleteFile() {
- return deleteFile(Bundles.getDirectory());
- }
-
- /**
- * Delete the .properties file.
- * <p>
- * Will use the most likely candidate as base if the file does not already
- * exists and this resource is translatable (for instance, "en_US" will use
- * "en" as a base if the resource is a translation file).
- *
- * @param path
- * the path where the .properties files are, <b>MUST NOT</b> be
- * NULL
- *
- * @return TRUE if the file was deleted
- */
- public boolean deleteFile(String path) {
- File file = getUpdateFile(path);
- return file.delete();
- }
-
- /**
- * The description {@link TransBundle}, that is, a {@link TransBundle}
- * dedicated to the description of the values of the given {@link Bundle}
- * (can be NULL).
- *
- * @return the description {@link TransBundle}
- */
- public TransBundle<E> getDescriptionBundle() {
- return descriptionBundle;
- }
-
- /**
- * Reload the {@link Bundle} data files.
- *
- * @param resetToDefault
- * reset to the default configuration (do not look into the
- * possible user configuration files, only take the original
- * configuration)
- */
- public void reload(boolean resetToDefault) {
- setBundle(keyType, Locale.getDefault(), resetToDefault);
- }
-
- /**
- * Check if the internal map contains the given key.
- *
- * @param key
- * the key to check for
- *
- * @return true if it does
- */
- protected boolean containsKey(String key) {
- return changeMap.containsKey(key) || map.containsKey(key);
- }
-
- /**
- * Get the value for the given key if it exists in the internal map, or
- * <tt>def</tt> if not.
- *
- * @param key
- * the key to check for
- * @param def
- * the default value when it is not present in the internal map
- *
- * @return the value, or <tt>def</tt> if not found
- */
- protected String getString(String key, String def) {
- if (changeMap.containsKey(key)) {
- return changeMap.get(key);
- }
-
- if (map.containsKey(key)) {
- return map.get(key);
- }
-
- return def;
- }
-
- /**
- * Set the value for this key, in the change map (it is kept in memory, not
- * yet on disk).
- *
- * @param key
- * the key
- * @param value
- * the associated value
- */
- protected void setString(String key, String value) {
- changeMap.put(key, value == null ? null : value.trim());
- }
-
- /**
- * Return formated, display-able information from the {@link Meta} field
- * given. Each line will always starts with a "#" character.
- *
- * @param meta
- * the {@link Meta} field
- *
- * @return the information to display or NULL if none
- */
- protected String getMetaInfo(Meta meta) {
- String desc = meta.description();
- boolean group = meta.group();
- Meta.Format format = meta.format();
- String[] list = meta.list();
- boolean nullable = meta.nullable();
- String def = meta.def();
- boolean array = meta.array();
-
- // Default, empty values -> NULL
- if (desc.length() + list.length + def.length() == 0 && !group
- && nullable && format == Format.STRING) {
- return null;
- }
-
- StringBuilder builder = new StringBuilder();
- for (String line : desc.split("\n")) {
- builder.append("# ").append(line).append("\n");
- }
-
- if (group) {
- builder.append("# This item is used as a group, its content is not expected to be used.");
- } else {
- builder.append("# (FORMAT: ").append(format)
- .append(nullable ? "" : ", required");
- builder.append(") ");
-
- if (list.length > 0) {
- builder.append("\n# ALLOWED VALUES: ");
- boolean first = true;
- for (String value : list) {
- if (!first) {
- builder.append(", ");
- }
- builder.append(BundleHelper.escape(value));
- first = false;
- }
- }
-
- if (array) {
- builder.append("\n# (This item accepts a list of ^escaped comma-separated values)");
- }
- }
-
- return builder.toString();
- }
-
- /**
- * The display name used in the <tt>.properties file</tt>.
- *
- * @return the name
- */
- protected String getBundleDisplayName() {
- return keyType.toString();
- }
-
- /**
- * Write the header found in the configuration <tt>.properties</tt> file of
- * this {@link Bundles}.
- *
- * @param writer
- * the {@link Writer} to write the header in
- *
- * @throws IOException
- * in case of IO error
- */
- protected void writeHeader(Writer writer) throws IOException {
- writer.write("# " + getBundleDisplayName() + "\n");
- writer.write("#\n");
- }
-
- /**
- * Write the given data to the config file, i.e., "MY_ID = my_curent_value"
- * followed by a new line.
- * <p>
- * Will prepend a # sign if the is is not set (see
- * {@link Bundle#isSet(Enum, boolean)}).
- *
- * @param writer
- * the {@link Writer} to write into
- * @param id
- * the id to write
- *
- * @throws IOException
- * in case of IO error
- */
- protected void writeValue(Writer writer, E id) throws IOException {
- boolean set = isSet(id, false);
- writeValue(writer, id.name(), getString(id), set);
- }
-
- /**
- * Write the given data to the config file, i.e., "MY_ID = my_curent_value"
- * followed by a new line.
- * <p>
- * Will prepend a # sign if the is is not set.
- *
- * @param writer
- * the {@link Writer} to write into
- * @param id
- * the id to write
- * @param value
- * the id's value
- * @param set
- * the value is set in this {@link Bundle}
- *
- * @throws IOException
- * in case of IO error
- */
- protected void writeValue(Writer writer, String id, String value,
- boolean set) throws IOException {
-
- if (!set) {
- writer.write('#');
- }
-
- writer.write(id);
- writer.write(" = ");
-
- if (value == null) {
- value = "";
- }
-
- String[] lines = value.replaceAll("\t", "\\\\\\t").split("\n");
- for (int i = 0; i < lines.length; i++) {
- writer.write(lines[i]);
- if (i < lines.length - 1) {
- writer.write("\\n\\");
- }
- writer.write("\n");
- }
- }
-
- /**
- * Return the source file for this {@link Bundles} from the given path.
- *
- * @param path
- * the path where the .properties files are
- *
- * @return the source {@link File}
- */
- protected File getUpdateFile(String path) {
- return new File(path, keyType.name() + ".properties");
- }
-
- /**
- * Change the currently used bundle, and reset all changes.
- *
- * @param name
- * the name of the bundle to load
- * @param locale
- * the {@link Locale} to use
- * @param resetToDefault
- * reset to the default configuration (do not look into the
- * possible user configuration files, only take the original
- * configuration)
- */
- protected void setBundle(Enum<?> name, Locale locale, boolean resetToDefault) {
- changeMap.clear();
- String dir = Bundles.getDirectory();
- String bname = type.getPackage().getName() + "." + name.name();
-
- boolean found = false;
- if (!resetToDefault && dir != null) {
- // Look into Bundles.getDirectory() for .properties files
- try {
- File file = getPropertyFile(dir, name.name(), locale);
- if (file != null) {
- Reader reader = new InputStreamReader(new FileInputStream(
- file), "UTF-8");
- resetMap(new PropertyResourceBundle(reader));
- found = true;
- }
- } catch (IOException e) {
- e.printStackTrace();
- }
- }
-
- if (!found) {
- // Look into the package itself for resources
- try {
- resetMap(ResourceBundle
- .getBundle(bname, locale, type.getClassLoader(),
- new FixedResourceBundleControl()));
- found = true;
- } catch (MissingResourceException e) {
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
-
- if (!found) {
- // We have no bundle for this Bundle
- System.err.println("No bundle found for: " + bname);
- resetMap(null);
- }
- }
-
- /**
- * Reset the backing map to the content of the given bundle, or with NULL
- * values if bundle is NULL.
- *
- * @param bundle
- * the bundle to copy
- */
- protected void resetMap(ResourceBundle bundle) {
- this.map.clear();
- for (Field field : type.getDeclaredFields()) {
- try {
- Meta meta = field.getAnnotation(Meta.class);
- if (meta != null) {
- E id = Enum.valueOf(type, field.getName());
-
- String value;
- if (bundle != null) {
- value = bundle.getString(id.name());
- } else {
- value = null;
- }
-
- this.map.put(id.name(), value == null ? null : value.trim());
- }
- } catch (MissingResourceException e) {
- }
- }
- }
-
- /**
- * Take a snapshot of the changes in memory in this {@link Bundle} made by
- * the "set" methods ( {@link Bundle#setString(Enum, String)}...) at the
- * current time.
- *
- * @return a snapshot to use with {@link Bundle#restoreSnapshot(Object)}
- */
- public Object takeSnapshot() {
- return new HashMap<String, String>(changeMap);
- }
-
- /**
- * Restore a snapshot taken with {@link Bundle}, or reset the current
- * changes if the snapshot is NULL.
- *
- * @param snap
- * the snapshot or NULL
- */
- @SuppressWarnings("unchecked")
- public void restoreSnapshot(Object snap) {
- if (snap == null) {
- changeMap.clear();
- } else {
- if (snap instanceof Map) {
- changeMap = (Map<String, String>) snap;
- } else {
- throw new RuntimeException(
- "Restoring changes in a Bundle must be done on a changes snapshot, "
- + "or NULL to discard current changes");
- }
- }
- }
-
- /**
- * Return the resource file that is closer to the {@link Locale}.
- *
- * @param dir
- * the directory to look into
- * @param name
- * the file base name (without <tt>.properties</tt>)
- * @param locale
- * the {@link Locale}
- *
- * @return the closest match or NULL if none
- */
- private File getPropertyFile(String dir, String name, Locale locale) {
- List<String> locales = new ArrayList<String>();
- if (locale != null) {
- String country = locale.getCountry() == null ? "" : locale
- .getCountry();
- String language = locale.getLanguage() == null ? "" : locale
- .getLanguage();
- if (!language.isEmpty() && !country.isEmpty()) {
- locales.add("_" + language + "-" + country);
- }
- if (!language.isEmpty()) {
- locales.add("_" + language);
- }
- }
-
- locales.add("");
-
- File file = null;
- for (String loc : locales) {
- file = new File(dir, name + loc + ".properties");
- if (file.exists()) {
- break;
- }
-
- file = null;
- }
-
- return file;
- }
-}
git://git.nikiroo.be / fanfix.git / blobdiff