| /* |
| * 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.runtime.dto; |
| |
| import static java.util.Collections.list; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.servlet.ServletContext; |
| |
| import org.apache.felix.http.base.internal.runtime.ServletContextHelperInfo; |
| import org.osgi.dto.DTO; |
| import org.osgi.service.http.runtime.dto.FailedServletContextDTO; |
| import org.osgi.service.http.runtime.dto.ServletContextDTO; |
| |
| public final class ServletContextDTOBuilder |
| { |
| |
| public static ServletContextDTO build(final ServletContextHelperInfo info, final ServletContext context, final int reason) |
| { |
| final ServletContextDTO dto = (reason == -1 ? new ServletContextDTO() : new FailedServletContextDTO()); |
| |
| dto.attributes = getAttributes(context); |
| dto.contextPath = context != null ? context.getContextPath() : info.getPath(); |
| dto.initParams = info.getInitParameters(); |
| dto.name = info.getName(); |
| dto.serviceId = info.getServiceId(); |
| |
| dto.errorPageDTOs = BuilderConstants.ERROR_PAGE_DTO_ARRAY; |
| dto.filterDTOs = BuilderConstants.FILTER_FAILURE_DTO_ARRAY; |
| dto.listenerDTOs = BuilderConstants.LISTENER_DTO_ARRAY; |
| dto.resourceDTOs = BuilderConstants.RESOURCE_DTO_ARRAY; |
| dto.servletDTOs = BuilderConstants.SERVLET_DTO_ARRAY; |
| |
| if ( reason != -1 ) |
| { |
| ((FailedServletContextDTO)dto).failureReason = reason; |
| } |
| return dto; |
| } |
| |
| private static Map<String, Object> getAttributes(final ServletContext context) |
| { |
| if (context == null) |
| { |
| return Collections.emptyMap(); |
| } |
| |
| Map<String, Object> attributes = new HashMap<String, Object>(); |
| for (String name : list(context.getAttributeNames())) |
| { |
| Object attribute = context.getAttribute(name); |
| if (isSupportedType(attribute)) |
| { |
| attributes.put(name, attribute); |
| } |
| } |
| return attributes; |
| } |
| |
| private static boolean isSupportedType(Object attribute) |
| { |
| Class<?> attributeClass = attribute.getClass(); |
| Class<?> type = !attributeClass.isArray() ? |
| attributeClass : attributeClass.getComponentType(); |
| |
| return Number.class.isAssignableFrom(type) || |
| Boolean.class.isAssignableFrom(type) || |
| String.class.isAssignableFrom(type) || |
| DTO.class.isAssignableFrom(type) || |
| boolean.class.isAssignableFrom(type) || |
| int.class.isAssignableFrom(type) || |
| double.class.isAssignableFrom(type) || |
| float.class.isAssignableFrom(type) || |
| long.class.isAssignableFrom(type) || |
| short.class.isAssignableFrom(type) || |
| byte.class.isAssignableFrom(type) || |
| char.class.isAssignableFrom(type); |
| } |
| } |