com.liferay.util.servlet.filters.DynamicFilterConfig Maven / Gradle / Ivy
/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.util.servlet.filters;
import java.util.Collections;
import java.util.Enumeration;
import java.util.LinkedHashMap;
import java.util.Map;
import javax.servlet.FilterConfig;
import javax.servlet.ServletContext;
/**
* @author Brian Wing Shun Chan
* @author Bruno Farache
*/
public class DynamicFilterConfig implements FilterConfig {
public DynamicFilterConfig(FilterConfig filterConfig) {
this(null, null);
Enumeration enu = filterConfig.getInitParameterNames();
while (enu.hasMoreElements()) {
String name = enu.nextElement();
addInitParameter(name, filterConfig.getInitParameter(name));
}
}
public DynamicFilterConfig(
String filterName, ServletContext servletContext) {
_filterName = filterName;
_servletContext = servletContext;
}
public void addInitParameter(String name, String value) {
_parameters.put(name, value);
}
@Override
public String getFilterName() {
return _filterName;
}
@Override
public String getInitParameter(String name) {
return _parameters.get(name);
}
@Override
public Enumeration getInitParameterNames() {
return Collections.enumeration(_parameters.keySet());
}
@Override
public ServletContext getServletContext() {
return _servletContext;
}
private final String _filterName;
private final Map _parameters = new LinkedHashMap<>();
private final ServletContext _servletContext;
}