| /* |
| * 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 java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import javax.annotation.Nonnull; |
| import javax.servlet.Servlet; |
| import javax.servlet.ServletException; |
| |
| import org.apache.felix.http.base.internal.context.ExtServletContext; |
| import org.apache.felix.http.base.internal.handler.FilterHandler; |
| import org.apache.felix.http.base.internal.handler.HttpServiceServletHandler; |
| import org.apache.felix.http.base.internal.handler.ServletHandler; |
| import org.apache.felix.http.base.internal.registry.HandlerRegistry; |
| import org.apache.felix.http.base.internal.runtime.ServletInfo; |
| import org.osgi.service.http.NamespaceException; |
| |
| public final class SharedHttpServiceImpl |
| { |
| private final HandlerRegistry handlerRegistry; |
| |
| private final Map<String, ServletHandler> aliasMap = new HashMap<String, ServletHandler>(); |
| |
| public SharedHttpServiceImpl(final HandlerRegistry handlerRegistry) |
| { |
| if (handlerRegistry == null) |
| { |
| throw new IllegalArgumentException("HandlerRegistry cannot be null!"); |
| } |
| |
| this.handlerRegistry = handlerRegistry; |
| } |
| |
| /** |
| * Register a filter |
| */ |
| public boolean registerFilter(@Nonnull final FilterHandler handler) |
| { |
| this.handlerRegistry.getRegistry(handler.getContextServiceId()).registerFilter(handler); |
| return true; |
| } |
| |
| /** |
| * Register a servlet |
| */ |
| public void registerServlet(@Nonnull final String alias, |
| @Nonnull final ExtServletContext httpContext, |
| @Nonnull final Servlet servlet, |
| @Nonnull final ServletInfo servletInfo) throws ServletException, NamespaceException |
| { |
| final ServletHandler handler = new HttpServiceServletHandler(httpContext, servletInfo, servlet); |
| |
| synchronized (this.aliasMap) |
| { |
| if (this.aliasMap.containsKey(alias)) |
| { |
| throw new NamespaceException("Alias " + alias + " is already in use."); |
| } |
| this.handlerRegistry.getRegistry(handler.getContextServiceId()).registerServlet(handler); |
| |
| this.aliasMap.put(alias, handler); |
| } |
| } |
| |
| /** |
| * @see org.osgi.service.http.HttpService#unregister(java.lang.String) |
| */ |
| public Servlet unregister(final String alias) |
| { |
| synchronized (this.aliasMap) |
| { |
| final ServletHandler handler = this.aliasMap.remove(alias); |
| if (handler == null) |
| { |
| throw new IllegalArgumentException("Nothing registered at " + alias); |
| } |
| |
| final Servlet s = handler.getServlet(); |
| this.handlerRegistry.getRegistry(handler.getContextServiceId()).unregisterServlet(handler.getServletInfo(), true); |
| return s; |
| } |
| } |
| |
| public void unregisterServlet(final Servlet servlet, final boolean destroy) |
| { |
| if (servlet != null) |
| { |
| synchronized (this.aliasMap) |
| { |
| final Iterator<Map.Entry<String, ServletHandler>> i = this.aliasMap.entrySet().iterator(); |
| while (i.hasNext()) |
| { |
| final Map.Entry<String, ServletHandler> entry = i.next(); |
| if (entry.getValue().getServlet() == servlet) |
| { |
| this.handlerRegistry.getRegistry(entry.getValue().getContextServiceId()).unregisterServlet(entry.getValue().getServletInfo(), destroy); |
| |
| i.remove(); |
| break; |
| } |
| |
| } |
| } |
| } |
| } |
| |
| public void unregisterFilter(final FilterHandler handler, final boolean destroy) |
| { |
| if (handler != null) |
| { |
| this.handlerRegistry.getRegistry(handler.getContextServiceId()).unregisterFilter(handler.getFilterInfo(), destroy); |
| } |
| } |
| |
| public HandlerRegistry getHandlerRegistry() |
| { |
| return this.handlerRegistry; |
| } |
| } |