rb.java

来自「开源的axis2框架的源码。用于开发WEBSERVER」· Java 代码 · 共 733 行 · 第 1/2 页

            return null;
        } else if (p1 == null) {
            return p2;
        } else if (p2 == null) {
            return p1;
        }

        // Now merge. p1 takes precedence
        Enumeration enumeration = p2.keys();
        while (enumeration.hasMoreElements()) {
            String key = (String) enumeration.nextElement();
            if (p1.getProperty(key) == null) {
                p1.put(key, p2.getProperty(key));
            }
        }

        return p1;
    }

    /**
     * Get the underlying properties
     */
    public Properties getProperties() {
        return resourceProperties;
    }

    // STATIC ACCESSORS

    /**
     * Get a message from resource.properties from the package of the given object.
     *
     * @param caller The calling object, used to get the package name and class loader
     * @param key    The resource key
     * @return The formatted message
     */
    public static String getString(Object caller, String key)
            throws MissingResourceException {
        return getMessage(caller, BASE_NAME, null, key, null);
    }

    /**
     * Get a message from resource.properties from the package of the given object.
     *
     * @param caller The calling object, used to get the package name and class loader
     * @param key    The resource key
     * @param arg0   The argument to place in variable {0}
     * @return The formatted message
     */
    public static String getString(Object caller, String key, Object arg0)
            throws MissingResourceException {
        Object[] o = new Object[1];
        o[0] = arg0;
        return getMessage(caller, BASE_NAME, null, key, o);
    }

    /**
     * Get a message from resource.properties from the package of the given object.
     *
     * @param caller The calling object, used to get the package name and class loader
     * @param key    The resource key
     * @param arg0   The argument to place in variable {0}
     * @param arg1   The argument to place in variable {1}
     * @return The formatted message
     */
    public static String getString(Object caller, String key, Object arg0, Object arg1)
            throws MissingResourceException {
        Object[] o = new Object[2];
        o[0] = arg0;
        o[1] = arg1;
        return getMessage(caller, BASE_NAME, null, key, o);
    }

    /**
     * Get a message from resource.properties from the package of the given object.
     *
     * @param caller The calling object, used to get the package name and class loader
     * @param key    The resource key
     * @param arg0   The argument to place in variable {0}
     * @param arg1   The argument to place in variable {1}
     * @param arg2   The argument to place in variable {2}
     * @return The formatted message
     */
    public static String getString(Object caller, String key, Object arg0, Object arg1, Object arg2)
            throws MissingResourceException {
        Object[] o = new Object[3];
        o[0] = arg0;
        o[1] = arg1;
        o[2] = arg2;
        return getMessage(caller, BASE_NAME, null, key, o);
    }

    /**
     * Get a message from resource.properties from the package of the given object.
     *
     * @param caller The calling object, used to get the package name and class loader
     * @param key    The resource key
     * @param arg0   The argument to place in variable {0}
     * @param arg1   The argument to place in variable {1}
     * @param arg2   The argument to place in variable {2}
     * @param arg3   The argument to place in variable {3}
     * @return The formatted message
     */
    public static String getString(Object caller, String key, Object arg0, Object arg1, Object arg2,
                                   Object arg3)
            throws MissingResourceException {
        Object[] o = new Object[4];
        o[0] = arg0;
        o[1] = arg1;
        o[2] = arg2;
        o[3] = arg3;
        return getMessage(caller, BASE_NAME, null, key, o);
    }


    /**
     * Get a message from resource.properties from the package of the given object.
     *
     * @param caller The calling object, used to get the package name and class loader
     * @param key    The resource key
     * @param arg0   The argument to place in variable {0}
     * @param arg1   The argument to place in variable {1}
     * @param arg2   The argument to place in variable {2}
     * @param arg3   The argument to place in variable {3}
     * @param arg4   The argument to place in variable {4}
     * @return Returns the formatted message.
     */
    public static String getString(Object caller, String key, Object arg0, Object arg1, Object arg2,
                                   Object arg3, Object arg4)
            throws MissingResourceException {
        Object[] o = new Object[5];
        o[0] = arg0;
        o[1] = arg1;
        o[2] = arg2;
        o[3] = arg3;
        o[4] = arg4;
        return getMessage(caller, BASE_NAME, null, key, o);
    }


    /**
     * Get a message from resource.properties from the package of the given object.
     *
     * @param caller The calling object, used to get the package name and class loader
     * @param key    The resource key
     * @param args   An array of objects to place in corresponding variables
     * @return Returns the formatted message.
     */
    public static String getString(Object caller, String key, Object[] args)
            throws MissingResourceException {
        return getMessage(caller, BASE_NAME, null, key, args);
    }


    /**
     * Get a message from resource.properties from the package of the given object.
     *
     * @param caller The calling object, used to get the package name and class loader
     * @param locale The locale
     * @param key    The resource key
     * @return The formatted message
     */
    public static String getString(Object caller, Locale locale, String key)
            throws MissingResourceException {
        return getMessage(caller, BASE_NAME, locale, key, null);
    }

    /**
     * Get a message from resource.properties from the package of the given object.
     *
     * @param caller The calling object, used to get the package name and class loader
     * @param locale The locale
     * @param key    The resource key
     * @param arg0   The argument to place in variable {0}
     * @return The formatted message
     */
    public static String getString(Object caller, Locale locale, String key, Object arg0)
            throws MissingResourceException {
        Object[] o = new Object[1];
        o[0] = arg0;
        return getMessage(caller, BASE_NAME, locale, key, o);
    }

    /**
     * Get a message from resource.properties from the package of the given object.
     *
     * @param caller The calling object, used to get the package name and class loader
     * @param locale The locale
     * @param key    The resource key
     * @param arg0   The argument to place in variable {0}
     * @param arg1   The argument to place in variable {1}
     * @return The formatted message
     */
    public static String getString(Object caller, Locale locale, String key, Object arg0,
                                   Object arg1)
            throws MissingResourceException {
        Object[] o = new Object[2];
        o[0] = arg0;
        o[1] = arg1;
        return getMessage(caller, BASE_NAME, locale, key, o);
    }

    /**
     * Get a message from resource.properties from the package of the given object.
     *
     * @param caller The calling object, used to get the package name and class loader
     * @param locale The locale
     * @param key    The resource key
     * @param arg0   The argument to place in variable {0}
     * @param arg1   The argument to place in variable {1}
     * @param arg2   The argument to place in variable {2}
     * @return The formatted message
     */
    public static String getString(Object caller, Locale locale, String key, Object arg0,
                                   Object arg1, Object arg2)
            throws MissingResourceException {
        Object[] o = new Object[3];
        o[0] = arg0;
        o[1] = arg1;
        o[2] = arg2;
        return getMessage(caller, BASE_NAME, locale, key, o);
    }

    /**
     * Get a message from resource.properties from the package of the given object.
     *
     * @param caller The calling object, used to get the package name and class loader
     * @param locale The locale
     * @param key    The resource key
     * @param arg0   The argument to place in variable {0}
     * @param arg1   The argument to place in variable {1}
     * @param arg2   The argument to place in variable {2}
     * @param arg3   The argument to place in variable {3}
     * @return The formatted message
     */
    public static String getString(Object caller, Locale locale, String key, Object arg0,
                                   Object arg1, Object arg2, Object arg3)
            throws MissingResourceException {
        Object[] o = new Object[4];
        o[0] = arg0;
        o[1] = arg1;
        o[2] = arg2;
        o[3] = arg3;
        return getMessage(caller, BASE_NAME, locale, key, o);
    }

    /**
     * Get a message from resource.properties from the package of the given object.
     *
     * @param caller The calling object, used to get the package name and class loader
     * @param locale The locale
     * @param key    The resource key
     * @param arg0   The argument to place in variable {0}
     * @param arg1   The argument to place in variable {1}
     * @param arg2   The argument to place in variable {2}
     * @param arg3   The argument to place in variable {3}
     * @return Returns the formatted message.
     */
    public static String getString(Object caller, Locale locale, String key, Object arg0,
                                   Object arg1, Object arg2, Object arg3, Object arg4)
            throws MissingResourceException {
        Object[] o = new Object[5];
        o[0] = arg0;
        o[1] = arg1;
        o[2] = arg2;
        o[3] = arg3;
        o[4] = arg4;
        return getMessage(caller, BASE_NAME, locale, key, o);
    }

    /**
     * Get a message from resource.properties from the package of the given object.
     *
     * @param caller The calling object, used to get the package name and class loader
     * @param locale The locale
     * @param key    The resource key
     * @param args   An array of objects to place in corresponding variables
     * @return Returns the formatted message.
     */
    public static String getString(Object caller, Locale locale, String key, Object[] args)
            throws MissingResourceException {
        return getMessage(caller, BASE_NAME, locale, key, args);
    }

    // Workhorse that does the resource loading and key lookup
    public static String getMessage(Object caller, String basename, Locale locale, String key,
                                    Object[] args)
            throws MissingResourceException {
        String msg = null;
        MissingResourceException firstEx = null;
        String fullName = null;
        Class curClass = null;
        boolean didNull = false;

        if (caller != null) {
            if (caller instanceof Class) {
                curClass = (Class) caller;
            } else {
                curClass = caller.getClass();
            }
        }

        while (msg == null) {

            // Get the full name of the resource
            if (curClass != null) {

                // Create the full basename
                String pkgName = curClass.getName();

                int pos = pkgName.lastIndexOf(".");
                if (pos > 0) {
                    fullName = pkgName.substring(0, pos + 1).replace('.', '/') + basename;
                } else {
                    fullName = basename;
                }
            } else {
                fullName = basename;
            }

            try {
                RB rb = new RB(caller, fullName, locale);
                msg = rb.getString(key, args);
            } catch (MissingResourceException ex) {
                if (curClass == null) {
                    throw ex;
                }

                // Save the first exception
                if (firstEx == null) {
                    firstEx = ex;
                }

                // Get the superclass
                curClass = curClass.getSuperclass();
                if (curClass == null) {
                    if (didNull) {
                        throw firstEx;
                    }
                    didNull = true;
                    caller = null;
                } else {
                    String cname = curClass.getName();
                    if (cname.startsWith("java.") ||
                            cname.startsWith("javax.")) {
                        if (didNull) {
                            throw firstEx;
                        }
                        didNull = true;
                        caller = null;
                        curClass = null;
                    }
                }
            }

        }
        return msg;
    }

    /**
     * Clears the internal cache.
     */
    public static void clearCache() {
        propertyCache.clear();
    }
}