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package org.glassfish.jersey.servlet.init;
import org.glassfish.jersey.servlet.spi.FilterUrlMappingsProvider;
import javax.servlet.FilterConfig;
import javax.servlet.FilterRegistration;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* Provide all configured context paths (url mappings) of the application deployed using filter.
* <p>
* The url patterns are returned without the eventual trailing asterisk.
* <p>
* The functionality is available in Servlet 3.x environment only, so this
* implementation of {@link FilterUrlMappingsProvider} interface is Servlet 3 specific.
*
* @author Adam Lindenthal (adam.lindenthal at oracle.com)
*/
public class FilterUrlMappingsProviderImpl implements FilterUrlMappingsProvider {
@Override
public List<String> getFilterUrlMappings(FilterConfig filterConfig) {
FilterRegistration filterRegistration =
filterConfig.getServletContext().getFilterRegistration(filterConfig.getFilterName());
Collection<String> urlPatternMappings = filterRegistration.getUrlPatternMappings();
List<String> result = new ArrayList<>();
for (String pattern : urlPatternMappings) {
result.add(pattern.endsWith("*") ? pattern.substring(0, pattern.length() - 1) : pattern);
}
return result;
}
}