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public final class RequestEncodingCharsetFilter implements Filter {
private boolean useDefault = true;
private String charset;
/*
* (non-Javadoc)
*
* @see javax.servlet.Filter#init(javax.servlet.FilterConfig)
*/
public void init(FilterConfig config) throws ServletException {
String charset = config.getInitParameter("charset");
if (charset != null && charset.length() > 0) {
useDefault = false;
this.charset = charset;
}
config.getServletContext().log(
"RequestEncodingCharsetFilter.init(config) - "
+ "charset des requetes : " + charset);
}
/*
* (non-Javadoc)
*
* @see javax.servlet.Filter#destroy()
*/
public void destroy() {
}
/*
* (non-Javadoc)
*
* @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest,
* javax.servlet.ServletResponse, javax.servlet.FilterChain)
*/
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
if (!useDefault)
try {
request.setCharacterEncoding(charset);
} catch (UnsupportedEncodingException e) {
System.err
.println("RequestEncodingCharsetFilter.init(config) - "
+ "charset des requetes non supporte : "
+ charset + " ; remise au defaut");
useDefault = true;
}
chain.doFilter(request, response);
}
} |