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org.apache.sling.scripting.jsp.JspServletContext Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.sling.scripting.jsp;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Enumeration;
import java.util.EventListener;
import java.util.Map;
import java.util.Set;
import javax.servlet.Filter;
import javax.servlet.FilterRegistration;
import javax.servlet.RequestDispatcher;
import javax.servlet.Servlet;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRegistration;
import javax.servlet.ServletRegistration.Dynamic;
import javax.servlet.SessionCookieConfig;
import javax.servlet.SessionTrackingMode;
import javax.servlet.descriptor.JspConfigDescriptor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The JspServletContext TODO
*/
public class JspServletContext implements ServletContext {
/** default log */
private static final Logger log = LoggerFactory.getLogger(JspServletContext.class);
private final SlingIOProvider ioProvider;
private final ServletContext delegatee;
private final SlingTldLocationsCache tcs;
JspServletContext(SlingIOProvider ioProvider, ServletContext componentContext,
SlingTldLocationsCache tcs) {
this.ioProvider = ioProvider;
this.delegatee = componentContext;
this.tcs = tcs;
}
//---------- implemented methods ------------------------------------------
/* (non-Javadoc)
* @see javax.servlet.ServletContext#getResource(java.lang.String)
*/
@Override
public URL getResource(String path) throws MalformedURLException {
if (path.startsWith("/")) {
URL url = ioProvider.getURL(path);
if (url != null) {
return url;
}
}
// fall back to trying a real URL
return getUrlForResource(path);
}
/* (non-Javadoc)
* @see javax.servlet.ServletContext#getResourceAsStream(java.lang.String)
*/
@Override
public InputStream getResourceAsStream(String path) {
// path might be an URL, so only check resource provider in case of an
// absolute path - assuming URLs have no leading slash at all, we
// don't care for the scheme separating colon here
if (path.startsWith("/")) {
try {
return ioProvider.getInputStream(path);
} catch (Exception ex) {
// FileNotFoundException or IOException
log.debug("getResourceAsStream: Cannot get resource {}: {}",
path, ex.getMessage());
}
}
// check whether we can resolve as an URL ...
try {
// create the URL and try to access
URL url = getUrlForResource(path);
if (url != null) {
return url.openStream();
}
} catch (Exception e) {
log.debug(
"getResourceAsStream: Cannot access resource {} through URL: {}",
path, e.getMessage());
}
return null;
}
@Override
public Set getResourcePaths(String path) {
return ioProvider.getResourcePaths(path);
}
@Override
public void log(String msg) {
log.info(msg);
}
@Override
@Deprecated
public void log(Exception exception, String msg) {
log(msg, exception);
}
@Override
public void log(String message, Throwable throwable) {
log.error(message, throwable);
}
//---------- delegated methods --------------------------------------------
@Override
public Object getAttribute(String name) {
return delegatee.getAttribute(name);
}
@Override
public Enumeration getAttributeNames() {
return delegatee.getAttributeNames();
}
@Override
public void removeAttribute(String name) {
delegatee.removeAttribute(name);
}
@Override
public void setAttribute(String name, Object object) {
delegatee.setAttribute(name, object);
}
@Override
public ServletContext getContext(String uripath) {
return delegatee.getContext(uripath);
}
@Override
public String getInitParameter(String name) {
return delegatee.getInitParameter(name);
}
@Override
public Enumeration getInitParameterNames() {
return delegatee.getInitParameterNames();
}
@Override
public int getMajorVersion() {
return delegatee.getMajorVersion();
}
@Override
public String getMimeType(String file) {
return delegatee.getMimeType(file);
}
@Override
public int getMinorVersion() {
return delegatee.getMinorVersion();
}
@Override
public RequestDispatcher getNamedDispatcher(String name) {
return delegatee.getNamedDispatcher(name);
}
@Override
public String getRealPath(String path) {
return delegatee.getRealPath(path);
}
@Override
public RequestDispatcher getRequestDispatcher(String path) {
return delegatee.getRequestDispatcher(path);
}
@Override
public String getServerInfo() {
return delegatee.getServerInfo();
}
@Override
@Deprecated
public Servlet getServlet(String name) throws ServletException {
return delegatee.getServlet(name);
}
@Override
public String getServletContextName() {
return delegatee.getServletContextName();
}
@Override
@Deprecated
public Enumeration getServletNames() {
return delegatee.getServletNames();
}
@Override
@Deprecated
public Enumeration getServlets() {
return delegatee.getServlets();
}
// Servlet API 2.5 method
@Override
public String getContextPath() {
return delegatee.getContextPath();
}
//---------- internal -----------------------------------------------------
private URL getUrlForResource(String path) {
int cs = path.indexOf(":/");
if (cs > 0 && cs < path.length()-2) {
// insert second slash after scheme (was canonicalized away)
cs += 2;
if (cs < path.length() && path.charAt(cs) != '/') {
path = path.substring(0, cs) + "/" + path.substring(cs);
}
// TODO: tmp workaround while URLStreamHandler support is not available
URL url = tcs.getTldLocationURL(path);
if (url != null) {
return url;
}
// create the URL and try to access
try {
return new URL(path);
} catch (MalformedURLException mue) {
log.debug("getUrlForResource: Cannot create URL for {}: {}",
path, mue.getMessage());
}
}
return null;
}
@Override
public int getEffectiveMajorVersion() {
return delegatee.getEffectiveMajorVersion();
}
@Override
public int getEffectiveMinorVersion() {
return delegatee.getEffectiveMinorVersion();
}
@Override
public boolean setInitParameter(String name, String value) {
return delegatee.setInitParameter(name, value);
}
@Override
public Dynamic addServlet(String servletName, String className) {
return delegatee.addServlet(servletName, className);
}
@Override
public Dynamic addServlet(String servletName, Servlet servlet) {
return delegatee.addServlet(servletName, servlet);
}
@Override
public Dynamic addServlet(String servletName, Class servletClass) {
return delegatee.addServlet(servletName, servletClass);
}
@Override
public T createServlet(Class clazz) throws ServletException {
return delegatee.createServlet(clazz);
}
@Override
public ServletRegistration getServletRegistration(String servletName) {
return delegatee.getServletRegistration(servletName);
}
@Override
public Map getServletRegistrations() {
return delegatee.getServletRegistrations();
}
@Override
public javax.servlet.FilterRegistration.Dynamic addFilter(String filterName, String className) {
return delegatee.addFilter(filterName, className);
}
@Override
public javax.servlet.FilterRegistration.Dynamic addFilter(String filterName, Filter filter) {
return delegatee.addFilter(filterName, filter);
}
@Override
public javax.servlet.FilterRegistration.Dynamic addFilter(String filterName, Class filterClass) {
return delegatee.addFilter(filterName, filterClass);
}
@Override
public T createFilter(Class clazz) throws ServletException {
return delegatee.createFilter(clazz);
}
@Override
public FilterRegistration getFilterRegistration(String filterName) {
return delegatee.getFilterRegistration(filterName);
}
@Override
public Map getFilterRegistrations() {
return delegatee.getFilterRegistrations();
}
@Override
public SessionCookieConfig getSessionCookieConfig() {
return delegatee.getSessionCookieConfig();
}
@Override
public void setSessionTrackingModes(Set sessionTrackingModes) {
delegatee.setSessionTrackingModes(sessionTrackingModes);
}
@Override
public Set getDefaultSessionTrackingModes() {
return delegatee.getDefaultSessionTrackingModes();
}
@Override
public Set getEffectiveSessionTrackingModes() {
return delegatee.getEffectiveSessionTrackingModes();
}
@Override
public void addListener(String className) {
delegatee.addListener(className);
}
@Override
public void addListener(T t) {
delegatee.addListener(t);
}
@Override
public void addListener(Class listenerClass) {
delegatee.addListener(listenerClass);
}
@Override
public T createListener(Class clazz) throws ServletException {
return delegatee.createListener(clazz);
}
@Override
public JspConfigDescriptor getJspConfigDescriptor() {
return delegatee.getJspConfigDescriptor();
}
@Override
public ClassLoader getClassLoader() {
return delegatee.getClassLoader();
}
@Override
public void declareRoles(String... roleNames) {
delegatee.declareRoles(roleNames);
}
@Override
public String getVirtualServerName() {
return delegatee.getVirtualServerName();
}
}
