001
014
015 package com.liferay.util.servlet.filters;
016
017 import java.util.Collections;
018 import java.util.Enumeration;
019 import java.util.LinkedHashMap;
020 import java.util.Map;
021
022 import javax.servlet.FilterConfig;
023 import javax.servlet.ServletContext;
024
025
029 public class DynamicFilterConfig implements FilterConfig {
030
031 public DynamicFilterConfig(FilterConfig filterConfig) {
032 this(null, null);
033
034 Enumeration<String> enu = filterConfig.getInitParameterNames();
035
036 while (enu.hasMoreElements()) {
037 String name = enu.nextElement();
038
039 addInitParameter(name, filterConfig.getInitParameter(name));
040 }
041 }
042
043 public DynamicFilterConfig(
044 String filterName, ServletContext servletContext) {
045
046 _filterName = filterName;
047 _servletContext = servletContext;
048 }
049
050 public void addInitParameter(String name, String value) {
051 _parameters.put(name, value);
052 }
053
054 @Override
055 public String getFilterName() {
056 return _filterName;
057 }
058
059 @Override
060 public String getInitParameter(String name) {
061 return _parameters.get(name);
062 }
063
064 @Override
065 public Enumeration<String> getInitParameterNames() {
066 return Collections.enumeration(_parameters.keySet());
067 }
068
069 @Override
070 public ServletContext getServletContext() {
071 return _servletContext;
072 }
073
074 private final String _filterName;
075 private final Map<String, String> _parameters = new LinkedHashMap<>();
076 private final ServletContext _servletContext;
077
078 }