Question

Hi have this j2ee web application developed using spring framework. I have a problem with rendering mnessages in nihongo characters from the properties file. I tried converting the file to ascii using native2ascii and it solved my problem. Is there no other way of converting the file through setting the encoding to ascii in the configuration files instead of manually converting it by executing native2ascii in command prompt

Answer 1

AfAIK in property files and resource bundles you have to use ASCII. Inside Spring XML configuration files, Unicode should work fine. If you prefer you can edit property files in Unicode and run native2ascii automatically as part of your build process (in Ant, Maven, etc).

Answer 2

As per the java.util.Properties API document:

The load(Reader) / store(Writer, String) methods load and store properties from and to a character based stream in a simple line-oriented format specified below. The load(InputStream) / store(OutputStream, String) methods work the same way as the load(Reader)/store(Writer, String) pair, except the input/output stream is encoded in ISO 8859-1 character encoding. Characters that cannot be directly represented in this encoding can be written using Unicode escapes ; only a single u character is allowed in an escape sequence. The native2ascii tool can be used to convert property files to and from other character encodings.

(note that ISO 8859-1 is not the same as ASCII as many are incorrectly talking about here).

So, to fix the particular problem without the need for native2ascii, you should use Properties#load(Reader) with an InputStreamReader(input, charset) instead.

Properties properties = new Properties();
properties.load(new InputStreamReader(classLoader.getResourceAsStream("file.properties"), "UTF-8"));

Note that this method was introduced in Java 1.6 over 4 years ago. Ensure that you re using it as well.

I don t do Spring, so I can t go in detail about how to get Spring to work that way, but it would be obvious that you need to override/replace the Spring s resource bundle manager, if any.

Answer 3

hey, i googled for the same issue and found something written in german that was a help for me: http://www.stefanglase.de/2009/10/13/spring-messagesource-mit-utf-8-encoding/

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