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CASC-64 

added a default error redirect page
This commit is contained in:
Scott Battaglia 2008-08-27 12:35:12 +00:00
parent eee667a611
commit e0ca0a6e35
1 changed files with 13 additions and 5 deletions
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18
cas-client-core/src/main/java/org/jasig/cas/client/util/ErrorRedirectFilter.java
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@ -28,6 +28,8 @@ import org.apache.commons.logging.LogFactory;
* <p>
* If there is an exact match the filter uses that value. If there's a non-exact match (i.e. inheritance), then the filter
* uses the last value that matched.
* <p>
* If there is no match it will redirect to a default error page. The default exception is configured via the "defaultErrorRedirectPage" property.
*
* @author Scott Battaglia
* @version $Revision$ $Date$
@ -40,12 +42,15 @@ public final class ErrorRedirectFilter implements Filter {
private final List errors = new ArrayList();
private String defaultErrorRedirectPage;
public void destroy() {
// nothing to do here
}
public void doFilter(final ServletRequest request, final ServletResponse response,
final FilterChain filterChain) throws IOException, ServletException {
final HttpServletResponse httpResponse = (HttpServletResponse) response;
try {
filterChain.doFilter(request, response);
} catch (final ServletException e) {
@ -62,21 +67,24 @@ public final class ErrorRedirectFilter implements Filter {
}
if (currentMatch != null) {
final HttpServletResponse httpResponse = (HttpServletResponse) response;
httpResponse.sendRedirect(currentMatch.getUrl());
return;
} else {
httpResponse.sendRedirect(defaultErrorRedirectPage);
}
throw e;
}
}
}
public void init(final FilterConfig filterConfig) throws ServletException {
this.defaultErrorRedirectPage = filterConfig.getInitParameter("defaultErrorRedirectPage");
final Enumeration enumeration = filterConfig.getInitParameterNames();
while (enumeration.hasMoreElements()) {
final String className = (String) enumeration.nextElement();
try {
this.errors.add(new ErrorHolder(className, filterConfig.getInitParameter(className)));
if (!className.equals("defaultErrorRedirectPage")) {
this.errors.add(new ErrorHolder(className, filterConfig.getInitParameter(className)));
}
} catch (final ClassNotFoundException e) {
log.warn("Class [" + className + "] cannot be found in ClassLoader. Ignoring.");
}