/**
* Parses filters and filter mappings out of web.xml.
*
* @param rootElement web.xml root element
* @param webApp web app for web.xml
*/
private static void parseFilters(final Element rootElement, final WebApp webApp) {
final Element[] elements = getChildren(rootElement, "filter");
if (elements != null && elements.length > 0) {
for (Element element : elements) {
final WebAppFilter filter = new WebAppFilter();
filter.setFilterName(getTextContent(getChild(element, "filter-name")));
filter.setFilterClass(getTextContent(getChild(element, "filter-class")));
webApp.addFilter(filter);
final Element[] initParamElements = getChildren(element, "init-param");
if (initParamElements != null && initParamElements.length > 0) {
for (Element initParamElement : initParamElements) {
final WebAppInitParam initParam = new WebAppInitParam();
initParam.setParamName(getTextContent(getChild(initParamElement, "param-name")));
initParam.setParamValue(getTextContent(getChild(initParamElement, "param-value")));
filter.addInitParam(initParam);
}
}
}
}
final Element[] mappingElements = getChildren(rootElement, "filter-mapping");
if (mappingElements != null && mappingElements.length > 0) {
for (Element mappingElement : mappingElements) {
// starting with servlet 2.5 url-patern / servlet-names can be
// specified more times
// for the earlier version only one entry will be returned
final String filterName = getTextContent(getChild(mappingElement, "filter-name"));
final Element[] urlPatternsElements = getChildren(mappingElement, "url-pattern");
if (urlPatternsElements != null && urlPatternsElements.length > 0) {
for (Element urlPatternElement : urlPatternsElements) {
final WebAppFilterMapping filterMapping = new WebAppFilterMapping();
filterMapping.setFilterName(filterName);
filterMapping.setUrlPattern(getTextContent(urlPatternElement));
webApp.addFilterMapping(filterMapping);
}
}
final Element[] servletNamesElements = getChildren(mappingElement, "servlet-name");
if (servletNamesElements != null && servletNamesElements.length > 0) {
for (Element servletNameElement : servletNamesElements) {
final WebAppFilterMapping filterMapping = new WebAppFilterMapping();
filterMapping.setFilterName(filterName);
filterMapping.setServletName(getTextContent(servletNameElement));
webApp.addFilterMapping(filterMapping);
}
}
}
}
}
