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/*******************************************************************************
* Copyright (c) 2005, 2015 Cognos Incorporated, IBM Corporation 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:
* Cognos Incorporated - initial API and implementation
* IBM Corporation - bug fixes and enhancements
* Raymond Augé <raymond.auge@liferay.com> - Bug 436698
*******************************************************************************/
package org.eclipse.equinox.http.servlet.internal;
import java.io.IOException;
import java.net.URL;
import java.security.*;
import java.util.Dictionary;
import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.equinox.http.servlet.ExtendedHttpService;
import org.eclipse.equinox.http.servlet.internal.util.Throw;
import org.osgi.framework.Bundle;
import org.osgi.service.http.*;
public class HttpServiceImpl implements HttpService, ExtendedHttpService {
final Bundle bundle; //The bundle associated with this instance of http service
final HttpServiceRuntimeImpl httpServiceRuntime;
private boolean shutdown = false; // We prevent use of this instance if HttpServiceFactory.ungetService has called unregisterAliases.
class DefaultHttpContext implements HttpContext {
/**
* @throws IOException
*/
@Override
public boolean handleSecurity(
HttpServletRequest request, HttpServletResponse response)
throws IOException {
return true;
}
@Override
public URL getResource(String name) {
if (name != null) {
if (name.startsWith("/")) { //$NON-NLS-1$
name = name.substring(1);
}
return bundle.getEntry(name);
}
return null;
}
@Override
public String getMimeType(String name) {
return null;
}
}
public HttpServiceImpl(
Bundle bundle, HttpServiceRuntimeImpl httpServiceRuntime) {
this.bundle = bundle;
this.httpServiceRuntime = httpServiceRuntime;
}
/**
* @see HttpService#createDefaultHttpContext()
*/
public synchronized HttpContext createDefaultHttpContext() {
checkShutdown();
return new DefaultHttpContext();
}
/**
* @throws ServletException
* @see ExtendedHttpService#registerFilter(String, Filter, Dictionary, HttpContext)
*/
public synchronized void registerFilter(
final String alias, final Filter filter,
final Dictionary<String, String> initparams,
HttpContext httpContext)
throws ServletException {
checkShutdown();
final HttpContext finalHttpContext = httpContext == null ? createDefaultHttpContext() : httpContext;
try {
AccessController.doPrivileged(new PrivilegedExceptionAction<Void>() {
@Override
public Void run() throws ServletException {
httpServiceRuntime.registerHttpServiceFilter(bundle, alias, filter, initparams, finalHttpContext);
return null;
}
});
}
catch (PrivilegedActionException e) {
Throw.unchecked(e.getException());
}
}
/**
* @throws NamespaceException
* @see HttpService#registerResources(String, String, HttpContext)
*/
public synchronized void registerResources(
final String alias, final String name, HttpContext httpContext)
throws NamespaceException {
checkShutdown();
final HttpContext finalHttpContext = httpContext == null ? createDefaultHttpContext() : httpContext;
try {
AccessController.doPrivileged(new PrivilegedExceptionAction<Void>() {
@Override
public Void run() throws NamespaceException {
httpServiceRuntime.registerHttpServiceResources(bundle, alias, name, finalHttpContext);
return null;
}
});
} catch (PrivilegedActionException e) {
Throw.unchecked(e.getException());
}
}
/**
* @throws ServletException
* @throws NamespaceException
* @see HttpService#registerServlet(String, Servlet, Dictionary, HttpContext)
*/
public synchronized void registerServlet(
final String alias, final Servlet servlet,
final Dictionary initparams, HttpContext httpContext)
throws ServletException, NamespaceException {
checkShutdown();
final HttpContext finalHttpContext = httpContext == null ? createDefaultHttpContext() : httpContext;
try {
AccessController.doPrivileged(new PrivilegedExceptionAction<Void>() {
@Override
public Void run() throws NamespaceException, ServletException {
httpServiceRuntime.registerHttpServiceServlet(bundle, alias, servlet, initparams, finalHttpContext);
return null;
}
});
} catch (PrivilegedActionException e) {
Throw.unchecked(e.getException());
}
}
/**
* @see HttpService#unregister(String)
*/
public synchronized void unregister(String alias) {
checkShutdown();
httpServiceRuntime.unregisterHttpServiceAlias(bundle, alias);
}
/**
* @see ExtendedHttpService#unregisterFilter(Filter)
*/
public synchronized void unregisterFilter(Filter filter) {
checkShutdown();
httpServiceRuntime.unregisterHttpServiceFilter(bundle, filter);
}
//Clean up method
synchronized void shutdown() {
httpServiceRuntime.unregisterHttpServiceObjects(bundle);
shutdown = true;
}
private void checkShutdown() {
if (shutdown) {
throw new IllegalStateException(
"Service instance is already shutdown"); //$NON-NLS-1$
}
}
}
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