/*******************************************************************************
* Copyright (c) 2011, 2015 Frank Appel and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Frank Appel - initial API and implementation
* EclipseSource - ongoing development
******************************************************************************/
package org.eclipse.rap.rwt.osgi.internal;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.*;
import javax.servlet.*;
import javax.servlet.ServletRegistration.Dynamic;
import javax.servlet.descriptor.JspConfigDescriptor;
import org.eclipse.rap.rwt.application.ApplicationConfiguration;
class ServletContextWrapper implements ServletContext {
private final ServletContext servletContext;
private final Map<String, Object> attributes;
ServletContextWrapper( ServletContext servletContext, String contextDirectory ) {
this.servletContext = servletContext;
attributes = new HashMap<>();
attributes.put( ApplicationConfiguration.RESOURCE_ROOT_LOCATION, contextDirectory );
}
@Override
public ServletContext getContext( String uripath ) {
return servletContext.getContext( uripath );
}
@Override
public String getContextPath() {
return servletContext.getContextPath();
}
@Override
public int getMajorVersion() {
return servletContext.getMajorVersion();
}
@Override
public int getMinorVersion() {
return servletContext.getMinorVersion();
}
@Override
public String getMimeType( String file ) {
return servletContext.getMimeType( file );
}
@Override
public Set<String> getResourcePaths( String path ) {
return servletContext.getResourcePaths( path );
}
@Override
public URL getResource( String path ) throws MalformedURLException {
return servletContext.getResource( path );
}
@Override
public InputStream getResourceAsStream( String path ) {
return servletContext.getResourceAsStream( path );
}
@Override
public RequestDispatcher getRequestDispatcher( String path ) {
return servletContext.getRequestDispatcher( path );
}
@Override
public RequestDispatcher getNamedDispatcher( String name ) {
return servletContext.getNamedDispatcher( name );
}
@Override
@Deprecated
public Servlet getServlet( String name ) throws ServletException {
return servletContext.getServlet( name );
}
@Override
@Deprecated
public Enumeration<Servlet> getServlets() {
return servletContext.getServlets();
}
@Override
@Deprecated
public Enumeration<String> getServletNames() {
return servletContext.getServletNames();
}
@Override
public void log( String msg ) {
servletContext.log( msg );
}
@Override
@Deprecated
public void log( Exception exception, String msg ) {
servletContext.log( exception, msg );
}
@Override
@Deprecated
public void log( String message, Throwable throwable ) {
servletContext.log( message, throwable );
}
@Override
public String getRealPath( String path ) {
return servletContext.getRealPath( path );
}
@Override
public String getServerInfo() {
return servletContext.getServerInfo();
}
@Override
public String getInitParameter( String name ) {
return servletContext.getInitParameter( name );
}
@Override
public Enumeration<String> getInitParameterNames() {
return servletContext.getInitParameterNames();
}
@Override
public Object getAttribute( String name ) {
synchronized( attributes ) {
if( isAttributeInWrappedContext( name ) ) {
return servletContext.getAttribute( name );
}
return attributes.get( name );
}
}
@Override
public Enumeration<String> getAttributeNames() {
Enumeration<String> result;
synchronized( attributes ) {
result = servletContext.getAttributeNames();
if( needEnumerationFromLocalAttributeBuffer( result ) ) {
result = createAttributeNamesEnumeration();
}
}
return result;
}
private boolean needEnumerationFromLocalAttributeBuffer( Enumeration<String> result ) {
return ( result == null || !result.hasMoreElements() ) && !attributes.isEmpty();
}
private Enumeration<String> createAttributeNamesEnumeration() {
return new Enumeration<String>() {
Iterator<String> names = attributes.keySet().iterator();
@Override
public boolean hasMoreElements() {
return names.hasNext();
}
@Override
public String nextElement() {
return names.next();
}
};
}
@Override
public void setAttribute( String name, Object object ) {
synchronized( attributes ) {
servletContext.setAttribute( name, object );
if( !isAttributeInWrappedContext( name ) ) {
attributes.put( name, object );
}
}
}
@Override
public void removeAttribute( String name ) {
synchronized( attributes ) {
if( isAttributeInWrappedContext( name ) ) {
servletContext.removeAttribute( name );
} else {
attributes.remove( name );
}
}
}
private boolean isAttributeInWrappedContext( String name ) {
return null != servletContext.getAttribute( name );
}
@Override
public String getServletContextName() {
return servletContext.getServletContextName();
}
@Override
public String getVirtualServerName() {
return null;
}
@Override
public int getEffectiveMajorVersion() {
return 0;
}
@Override
public int getEffectiveMinorVersion() {
return 0;
}
@Override
public boolean setInitParameter( String name, String value ) {
return false;
}
@Override
public Dynamic addServlet( String servletName, String className ) {
return null;
}
@Override
public Dynamic addServlet( String servletName, Servlet servlet ) {
return null;
}
@Override
public Dynamic addServlet( String servletName, Class<? extends Servlet> servletClass ) {
return null;
}
@Override
public <T extends Servlet> T createServlet( Class<T> clazz ) throws ServletException {
return null;
}
@Override
public ServletRegistration getServletRegistration( String servletName ) {
return null;
}
@Override
public Map<String, ? extends ServletRegistration> getServletRegistrations() {
return null;
}
@Override
public javax.servlet.FilterRegistration.Dynamic addFilter( String filterName, String className ) {
return null;
}
@Override
public javax.servlet.FilterRegistration.Dynamic addFilter( String filterName, Filter filter ) {
return null;
}
@Override
public javax.servlet.FilterRegistration.Dynamic addFilter( String filterName,
Class<? extends Filter> filterClass )
{
return null;
}
@Override
public <T extends Filter> T createFilter( Class<T> clazz ) throws ServletException {
return null;
}
@Override
public FilterRegistration getFilterRegistration( String filterName ) {
return null;
}
@Override
public Map<String, ? extends FilterRegistration> getFilterRegistrations() {
return null;
}
@Override
public SessionCookieConfig getSessionCookieConfig() {
return null;
}
@Override
public void setSessionTrackingModes( Set<SessionTrackingMode> sessionTrackingModes ) {
}
@Override
public Set<SessionTrackingMode> getDefaultSessionTrackingModes() {
return null;
}
@Override
public Set<SessionTrackingMode> getEffectiveSessionTrackingModes() {
return null;
}
@Override
public void addListener( String className ) {
}
@Override
public <T extends EventListener> void addListener( T t ) {
}
@Override
public void addListener( Class<? extends EventListener> listenerClass ) {
}
@Override
public <T extends EventListener> T createListener( Class<T> clazz ) throws ServletException {
return null;
}
@Override
public JspConfigDescriptor getJspConfigDescriptor() {
return null;
}
@Override
public ClassLoader getClassLoader() {
return null;
}
@Override
public void declareRoles( String... roleNames ) {
}
}