com.liferay.portal.kernel.servlet.BaseFilter Maven / Gradle / Ivy
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Contains interfaces for the portal services. Interfaces are only loaded by the global class loader and are shared by all plugins.
/**
* Copyright (c) 2000-2013 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.portal.kernel.servlet;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.servlet.filters.invoker.FilterMapping;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.PropsKeys;
import com.liferay.portal.kernel.util.PropsUtil;
import com.liferay.portal.kernel.util.StringPool;
import java.io.IOException;
import java.util.ArrayList;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* @author Raymond Augé
* @author Eduardo Lundgren
*/
public abstract class BaseFilter implements LiferayFilter {
@Override
public void destroy() {
LiferayFilterTracker.removeLiferayFilter(this);
}
@Override
public void doFilter(
ServletRequest servletRequest, ServletResponse servletResponse,
FilterChain filterChain)
throws IOException, ServletException {
try {
HttpServletRequest request = (HttpServletRequest)servletRequest;
HttpServletResponse response = (HttpServletResponse)servletResponse;
if (_invokerEnabled) {
processFilter(request, response, filterChain);
}
else {
String uri = request.getRequestURI();
if (isFilterEnabled() && isFilterEnabled(request, response) &&
_filterMapping.isMatchURLRegexPattern(request, uri)) {
processFilter(request, response, filterChain);
}
else {
filterChain.doFilter(servletRequest, servletResponse);
}
}
}
catch (IOException ioe) {
throw ioe;
}
catch (ServletException se) {
throw se;
}
catch (Exception e) {
Log log = getLog();
log.error(e, e);
}
}
public FilterConfig getFilterConfig() {
return _filterConfig;
}
@Override
public void init(FilterConfig filterConfig) {
_filterConfig = filterConfig;
if (_TCK_URL) {
ServletContext servletContext = _filterConfig.getServletContext();
_invokerEnabled = GetterUtil.get(
servletContext.getInitParameter("liferay-invoker-enabled"),
true);
if (!_invokerEnabled) {
_filterMapping = new FilterMapping(
this, filterConfig, new ArrayList(0),
new ArrayList(0));
}
}
LiferayFilterTracker.addLiferayFilter(this);
}
@Override
public boolean isFilterEnabled() {
return _filterEnabled;
}
@Override
public boolean isFilterEnabled(
HttpServletRequest request, HttpServletResponse response) {
return _filterEnabled;
}
@Override
public void setFilterEnabled(boolean filterEnabled) {
_filterEnabled = filterEnabled;
}
protected abstract Log getLog();
protected void processFilter(
Class filterClass, HttpServletRequest request,
HttpServletResponse response, FilterChain filterChain)
throws Exception {
long startTime = 0;
String threadName = null;
String depther = null;
String path = null;
Log log = getLog();
if (log.isDebugEnabled()) {
startTime = System.currentTimeMillis();
Thread currentThread = Thread.currentThread();
threadName = currentThread.getName();
depther = (String)request.getAttribute(_DEPTHER);
if (depther == null) {
depther = StringPool.BLANK;
}
else {
depther += StringPool.EQUAL;
}
request.setAttribute(_DEPTHER, depther);
path = request.getRequestURI();
log.debug(
"[" + threadName + "]" + depther + "> " +
filterClass.getName() + " " + path);
}
filterChain.doFilter(request, response);
if (!log.isDebugEnabled()) {
return;
}
long endTime = System.currentTimeMillis();
depther = (String)request.getAttribute(_DEPTHER);
if (depther == null) {
return;
}
log.debug(
"[" + threadName + "]" + depther + "< " +
filterClass.getName() + " " + path + " " +
(endTime - startTime) + " ms");
if (depther.length() > 0) {
depther = depther.substring(1);
}
request.setAttribute(_DEPTHER, depther);
}
protected void processFilter(
HttpServletRequest request, HttpServletResponse response,
FilterChain filterChain)
throws Exception {
throw new UnsupportedOperationException(
"Please implement processFilter(HttpServletRequest, " +
"HttpServletResponse, FilterChain)");
}
private static final String _DEPTHER = "DEPTHER";
private static final boolean _TCK_URL = GetterUtil.getBoolean(
PropsUtil.get(PropsKeys.TCK_URL));
private FilterConfig _filterConfig;
private boolean _filterEnabled = true;
private FilterMapping _filterMapping;
private boolean _invokerEnabled = true;
}