%@ page import="java.util.*" %>
<%
/*
* Copyright 2005 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
%>
<%!
/*
* A library file to produce i18n web applications. This can be easily
* reused from your jsp(s) - just include and call any methods.
* @author toshi
*/
// private variable
HttpServletRequest _req = null;
// private variable
String _strResourceName = null;
/**
* Set a HttpServletRequest to a private variable.
* @param request HttpServletRequest
*/
void setRequest(HttpServletRequest request) {
_req = request;
}
/**
* Get the private variable of the HttpServletRequest.
* @return HttpServletRequest
*/
HttpServletRequest getRequest() {
return _req;
}
/**
* Set a resouce base name to a private variable.
* @param resouce The resouce base name
*/
void setResouceBase(String resource) {
_strResourceName = resource;
}
/**
* Get the private variable of the resouce base name.
* @return resouce The resouce base name
*/
String getResouceBase() {
return _strResourceName;
}
/**
* Get a ResourceBundle object.
* @return a ResourceBundle object
*/
ResourceBundle getRB() {
String strLocale = getRequest().getParameter("locale");
ResourceBundle objRb = null;
Locale objLcl = null;
if (strLocale!=null) {
objLcl=new Locale(strLocale,"");
} else {
objLcl=getRequest().getLocale();
}
Locale.setDefault(objLcl);
objRb = ResourceBundle.getBundle(getResouceBase(),objLcl);
return objRb;
}
/**
* Get a list of locale choice
* @return a list of supported locales
*/
String getLocaleChoice() {
String choice = getMessage("locales");
StringBuffer buf = new StringBuffer();
buf.append("
\n");
buf.append(getMessage("language"));
buf.append(": ");
StringTokenizer st = new StringTokenizer(choice);
String locale = null;
while (st.hasMoreTokens()) {
locale = st.nextToken();
buf.append("[
"+ locale +"] ");
}
buf.append("\n
\n");
return buf.toString();
}
/**
* Get a message from i18n.properties with several arguments.
* @param key The resource key
* @return The formatted message
*/
String getMessage(String key) {
return getMessage(key, null, null, null, null, null);
}
/**
* Get a message from i18n.properties with several arguments.
* @param key The resource key
* @param arg0 The argument to place in variable {0}
* @return The formatted message
*/
String getMessage(String key, String arg0) {
return getMessage(key, arg0, null, null, null, null);
}
/**
* Get a message from i18n.properties with several arguments.
* @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
*/
String getMessage(String key, String arg0, String arg1) {
return getMessage(key, arg0, arg1, null, null, null);
}
/**
* Get a message from i18n.properties with several arguments.
* @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
*/
String getMessage(String key, String arg0, String arg1, String arg2) {
return getMessage(key, arg0, arg1, arg2, null, null);
}
/**
* Get a message from i18n.properties with several arguments.
* @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
*/
String getMessage(String key, String arg0, String arg1,
String arg2, String arg3) {
return getMessage(key, arg0, arg1, arg2, arg3, null);
}
/**
* Get a message from i18n.properties with several arguments.
* @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 The formatted message
*/
String getMessage(String key, String arg0, String arg1,
String arg2, String arg3, String arg4) {
String strPattern = getRB().getString(key);
String [] params = { arg0, arg1, arg2, arg3, arg4 };
for (int i=0; i<5; i++) {
if (params[i]!=null) params[i]=replaceAll(params[i],"%20"," ");
}
if (arg0!=null) strPattern = replaceAll(strPattern,"{0}",params[0]);
if (arg1!=null) strPattern = replaceAll(strPattern,"{1}",params[1]);
if (arg2!=null) strPattern = replaceAll(strPattern,"{2}",params[2]);
if (arg3!=null) strPattern = replaceAll(strPattern,"{3}",params[3]);
if (arg4!=null) strPattern = replaceAll(strPattern,"{4}",params[4]);
return strPattern;
}
/**
* Get a replaced string by the specified message.
* @param source The original message
* @param pattern The key message for replacing
* @param replace The message to place in the key variable - 'pattern'
* @return The replaced message
*/
String replaceAll(String source, String pattern, String replace)
{
int i=0;
boolean ret = false;
StringBuffer buf = new StringBuffer();
int lenSource = source.length();
int lenPattern = pattern.length();
for (i=0; i