| /* |
| * 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.felix.http.base.internal.service; |
| |
| import static org.apache.felix.http.base.internal.util.UriUtils.decodePath; |
| import static org.apache.felix.http.base.internal.util.UriUtils.removeDotSegments; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| import java.util.Collections; |
| import java.util.Enumeration; |
| import java.util.EventListener; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import javax.servlet.Filter; |
| import javax.servlet.FilterRegistration; |
| import javax.servlet.RequestDispatcher; |
| import javax.servlet.Servlet; |
| import javax.servlet.ServletContext; |
| import javax.servlet.ServletContextAttributeEvent; |
| import javax.servlet.ServletContextAttributeListener; |
| import javax.servlet.ServletException; |
| import javax.servlet.ServletRegistration; |
| import javax.servlet.ServletRequestAttributeListener; |
| import javax.servlet.ServletRequestListener; |
| import javax.servlet.SessionCookieConfig; |
| import javax.servlet.SessionTrackingMode; |
| import javax.servlet.descriptor.JspConfigDescriptor; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| import javax.servlet.http.HttpSessionAttributeListener; |
| import javax.servlet.http.HttpSessionListener; |
| |
| import org.apache.felix.http.base.internal.context.ExtServletContext; |
| import org.apache.felix.http.base.internal.dispatch.RequestDispatcherImpl; |
| import org.apache.felix.http.base.internal.dispatch.RequestInfo; |
| import org.apache.felix.http.base.internal.handler.ServletHandler; |
| import org.apache.felix.http.base.internal.logger.SystemLogger; |
| import org.apache.felix.http.base.internal.registry.PathResolution; |
| import org.apache.felix.http.base.internal.registry.PerContextHandlerRegistry; |
| import org.apache.felix.http.base.internal.registry.ServletResolution; |
| import org.apache.felix.http.base.internal.util.MimeTypes; |
| import org.osgi.framework.Bundle; |
| import org.osgi.service.http.HttpContext; |
| |
| @SuppressWarnings("deprecation") |
| public class ServletContextImpl implements ExtServletContext |
| { |
| private final Bundle bundle; |
| private final ServletContext context; |
| private final HttpContext httpContext; |
| private final Map<String, Object> attributes; |
| private final ServletContextAttributeListener attributeListener; |
| private final HttpSessionAttributeListener httpSessionAttributeListener; |
| private final HttpSessionListener httpSessionListener; |
| private final ServletRequestListener servletRequestListener; |
| private final ServletRequestAttributeListener servletRequestAttributeListener; |
| private final PerContextHandlerRegistry handlerRegistry; |
| |
| public ServletContextImpl(final Bundle bundle, |
| final ServletContext context, |
| final HttpContext httpContext, |
| final ServletContextAttributeListener attributeListener, |
| final boolean sharedAttributes, |
| final HttpSessionAttributeListener httpSessionAttributeListener, |
| final HttpSessionListener httpSessionListener, |
| final ServletRequestListener servletRequestListener, |
| final ServletRequestAttributeListener servletRequestAttributeListener, |
| final PerContextHandlerRegistry registry) |
| { |
| this.bundle = bundle; |
| this.context = context; |
| this.httpContext = httpContext; |
| this.attributeListener = attributeListener; |
| this.attributes = sharedAttributes ? null : new ConcurrentHashMap<String, Object>(); |
| this.httpSessionAttributeListener = httpSessionAttributeListener; |
| this.httpSessionListener = httpSessionListener; |
| this.servletRequestAttributeListener = servletRequestAttributeListener; |
| this.servletRequestListener = servletRequestListener; |
| this.handlerRegistry = registry; |
| } |
| |
| @Override |
| public FilterRegistration.Dynamic addFilter(String filterName, Class<? extends Filter> type) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public FilterRegistration.Dynamic addFilter(String filterName, Filter filter) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public FilterRegistration.Dynamic addFilter(String filterName, String className) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void addListener(Class<? extends EventListener> type) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void addListener(String className) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public <T extends EventListener> void addListener(T listener) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public ServletRegistration.Dynamic addServlet(String servletName, Class<? extends Servlet> type) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public ServletRegistration.Dynamic addServlet(String servletName, Servlet servlet) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public ServletRegistration.Dynamic addServlet(String servletName, String className) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public <T extends Filter> T createFilter(Class<T> type) throws ServletException |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public <T extends EventListener> T createListener(Class<T> type) throws ServletException |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public <T extends Servlet> T createServlet(Class<T> type) throws ServletException |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void declareRoles(String... roleNames) |
| { |
| this.context.declareRoles(roleNames); |
| } |
| |
| @Override |
| public String getVirtualServerName() { |
| return context.getVirtualServerName(); |
| } |
| |
| @Override |
| public Object getAttribute(String name) |
| { |
| return (this.attributes != null) ? this.attributes.get(name) : this.context.getAttribute(name); |
| } |
| |
| @Override |
| public Enumeration<String> getAttributeNames() |
| { |
| return (this.attributes != null) ? Collections.enumeration(this.attributes.keySet()) : this.context.getAttributeNames(); |
| } |
| |
| @Override |
| public ClassLoader getClassLoader() |
| { |
| return bundle.getClass().getClassLoader(); |
| } |
| |
| @Override |
| public ServletContext getContext(String uri) |
| { |
| return this.context.getContext(uri); |
| } |
| |
| @Override |
| public String getContextPath() |
| { |
| return this.context.getContextPath(); |
| } |
| |
| @Override |
| public Set<SessionTrackingMode> getDefaultSessionTrackingModes() |
| { |
| return this.context.getDefaultSessionTrackingModes(); |
| } |
| |
| @Override |
| public int getEffectiveMajorVersion() |
| { |
| return this.context.getEffectiveMajorVersion(); |
| } |
| |
| @Override |
| public int getEffectiveMinorVersion() |
| { |
| return this.context.getEffectiveMinorVersion(); |
| } |
| |
| @Override |
| public Set<SessionTrackingMode> getEffectiveSessionTrackingModes() |
| { |
| return this.context.getEffectiveSessionTrackingModes(); |
| } |
| |
| @Override |
| public FilterRegistration getFilterRegistration(String filterName) |
| { |
| return this.context.getFilterRegistration(filterName); |
| } |
| |
| @Override |
| public Map<String, ? extends FilterRegistration> getFilterRegistrations() |
| { |
| return this.context.getFilterRegistrations(); |
| } |
| |
| @Override |
| public String getInitParameter(String name) |
| { |
| return this.context.getInitParameter(name); |
| } |
| |
| @Override |
| public Enumeration<String> getInitParameterNames() |
| { |
| return this.context.getInitParameterNames(); |
| } |
| |
| @Override |
| public JspConfigDescriptor getJspConfigDescriptor() |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public int getMajorVersion() |
| { |
| return this.context.getMajorVersion(); |
| } |
| |
| @Override |
| public String getMimeType(String file) |
| { |
| String type = this.httpContext.getMimeType(file); |
| if (type != null) |
| { |
| return type; |
| } |
| |
| return MimeTypes.get().getByFile(file); |
| } |
| |
| @Override |
| public int getMinorVersion() |
| { |
| return this.context.getMinorVersion(); |
| } |
| |
| @Override |
| public String getRealPath(String name) |
| { |
| URL url = getResource(name); |
| if (url == null) |
| { |
| return null; |
| } |
| return url.toExternalForm(); |
| } |
| |
| @Override |
| public URL getResource(String path) |
| { |
| return this.httpContext.getResource(normalizeResourcePath(path)); |
| } |
| |
| @Override |
| public InputStream getResourceAsStream(String path) |
| { |
| URL res = getResource(path); |
| if (res != null) |
| { |
| try |
| { |
| return res.openStream(); |
| } |
| catch (IOException e) |
| { |
| // Do nothing |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public Set<String> getResourcePaths(String path) |
| { |
| Enumeration<String> paths = this.bundle.getEntryPaths(normalizePath(path)); |
| if ((paths == null) || !paths.hasMoreElements()) |
| { |
| return null; |
| } |
| |
| Set<String> set = new HashSet<String>(); |
| while (paths.hasMoreElements()) |
| { |
| set.add(paths.nextElement()); |
| } |
| |
| return set; |
| } |
| |
| @Override |
| public String getServerInfo() |
| { |
| return this.context.getServerInfo(); |
| } |
| |
| @Override |
| public Servlet getServlet(String name) throws ServletException |
| { |
| return this.context.getServlet(name); |
| } |
| |
| @Override |
| public String getServletContextName() |
| { |
| return this.context.getServletContextName(); |
| } |
| |
| @Override |
| public Enumeration<String> getServletNames() |
| { |
| return this.context.getServletNames(); |
| } |
| |
| @Override |
| public ServletRegistration getServletRegistration(String servletName) |
| { |
| return this.context.getServletRegistration(servletName); |
| } |
| |
| @Override |
| public Map<String, ? extends ServletRegistration> getServletRegistrations() |
| { |
| return this.context.getServletRegistrations(); |
| } |
| |
| @Override |
| public Enumeration<Servlet> getServlets() |
| { |
| return this.context.getServlets(); |
| } |
| |
| @Override |
| public SessionCookieConfig getSessionCookieConfig() |
| { |
| return this.context.getSessionCookieConfig(); |
| } |
| |
| @Override |
| public HttpSessionListener getHttpSessionListener() |
| { |
| return this.httpSessionListener; |
| } |
| |
| @Override |
| public HttpSessionAttributeListener getHttpSessionAttributeListener() |
| { |
| return this.httpSessionAttributeListener; |
| } |
| |
| @Override |
| public ServletRequestListener getServletRequestListener() |
| { |
| return this.servletRequestListener; |
| } |
| |
| @Override |
| public ServletRequestAttributeListener getServletRequestAttributeListener() |
| { |
| return this.servletRequestAttributeListener; |
| } |
| |
| @Override |
| public boolean handleSecurity(HttpServletRequest req, HttpServletResponse res) throws IOException |
| { |
| return this.httpContext.handleSecurity(req, res); |
| } |
| |
| @Override |
| public void log(Exception cause, String message) |
| { |
| SystemLogger.error(message, cause); |
| } |
| |
| @Override |
| public void log(String message) |
| { |
| SystemLogger.info(message); |
| } |
| |
| @Override |
| public void log(String message, Throwable cause) |
| { |
| SystemLogger.error(message, cause); |
| } |
| |
| @Override |
| public void removeAttribute(String name) |
| { |
| Object oldValue; |
| if (this.attributes != null) |
| { |
| oldValue = this.attributes.remove(name); |
| } |
| else |
| { |
| oldValue = this.context.getAttribute(name); |
| this.context.removeAttribute(name); |
| } |
| |
| if (oldValue != null) |
| { |
| this.attributeListener.attributeRemoved(new ServletContextAttributeEvent(this, name, oldValue)); |
| } |
| } |
| |
| @Override |
| public void setAttribute(String name, Object value) |
| { |
| if (value == null) |
| { |
| this.removeAttribute(name); |
| } |
| else if (name != null) |
| { |
| Object oldValue; |
| if (this.attributes != null) |
| { |
| oldValue = this.attributes.put(name, value); |
| } |
| else |
| { |
| oldValue = this.context.getAttribute(name); |
| this.context.setAttribute(name, value); |
| } |
| |
| if (oldValue == null) |
| { |
| this.attributeListener.attributeAdded(new ServletContextAttributeEvent(this, name, value)); |
| } |
| else |
| { |
| this.attributeListener.attributeReplaced(new ServletContextAttributeEvent(this, name, oldValue)); |
| } |
| } |
| } |
| |
| @Override |
| public boolean setInitParameter(String name, String value) |
| { |
| return this.context.setInitParameter(name, value); |
| } |
| |
| @Override |
| public void setSessionTrackingModes(Set<SessionTrackingMode> modes) |
| { |
| this.context.setSessionTrackingModes(modes); |
| } |
| |
| @Override |
| public RequestDispatcher getNamedDispatcher(final String name) |
| { |
| if (name == null) |
| { |
| return null; |
| } |
| |
| final RequestDispatcher dispatcher; |
| final ServletHandler servletHandler = this.handlerRegistry.resolveServletByName(name); |
| if ( servletHandler != null ) |
| { |
| final ServletResolution resolution = new ServletResolution(); |
| resolution.handler = servletHandler; |
| resolution.handlerRegistry = this.handlerRegistry; |
| // TODO - what is the path of a named servlet? |
| final RequestInfo requestInfo = new RequestInfo("", null, null); |
| dispatcher = new RequestDispatcherImpl(resolution, requestInfo); |
| } |
| else |
| { |
| dispatcher = null; |
| } |
| return dispatcher; |
| } |
| |
| @Override |
| public RequestDispatcher getRequestDispatcher(String path) |
| { |
| // See section 9.1 of Servlet 3.x specification... |
| if (path == null || (!path.startsWith("/") && !"".equals(path))) |
| { |
| return null; |
| } |
| |
| String query = null; |
| int q = 0; |
| if ((q = path.indexOf('?')) > 0) |
| { |
| query = path.substring(q + 1); |
| path = path.substring(0, q); |
| } |
| // TODO remove path parameters... |
| String requestURI = decodePath(removeDotSegments(path)); |
| if ( requestURI == null ) |
| { |
| requestURI = ""; |
| } |
| |
| final RequestDispatcher dispatcher; |
| final PathResolution pathResolution = this.handlerRegistry.resolve(requestURI); |
| if ( pathResolution != null ) |
| { |
| final ServletResolution resolution = new ServletResolution(); |
| resolution.handler = pathResolution.handler; |
| resolution.handlerRegistry = this.handlerRegistry; |
| final RequestInfo requestInfo = new RequestInfo(pathResolution.servletPath, pathResolution.pathInfo, query); |
| dispatcher = new RequestDispatcherImpl(resolution, requestInfo); |
| } |
| else |
| { |
| dispatcher = null; |
| } |
| return dispatcher; |
| } |
| |
| private String normalizePath(String path) |
| { |
| if (path == null) |
| { |
| return null; |
| } |
| |
| String normalizedPath = normalizeResourcePath(path); |
| if (normalizedPath.startsWith("/") && (normalizedPath.length() > 1)) |
| { |
| normalizedPath = normalizedPath.substring(1); |
| } |
| |
| return normalizedPath; |
| } |
| |
| private String normalizeResourcePath(String path) |
| { |
| if ( path == null) |
| { |
| return null; |
| } |
| String normalizedPath = path.trim().replaceAll("/+", "/"); |
| |
| return normalizedPath; |
| } |
| } |