Java tutorial
// Copyright (C) 2003-2009 by Object Mentor, Inc. All rights reserved. // Released under the terms of the CPL Common Public License version 1.0. package fitnesse.responders; import java.io.IOException; import java.lang.reflect.Constructor; import java.lang.reflect.InvocationTargetException; import java.util.HashMap; import java.util.LinkedList; import java.util.List; import java.util.Map; import java.util.logging.Level; import java.util.logging.Logger; import fitnesse.responders.run.SuiteResponder; import fitnesse.responders.run.TestResponder; import fitnesse.responders.testHistory.ExecutionLogResponder; import fitnesse.wiki.PathParser; import org.apache.commons.lang.StringUtils; import fitnesse.Responder; import fitnesse.http.Request; import fitnesse.responders.editing.AddChildPageResponder; import fitnesse.responders.editing.EditResponder; import fitnesse.responders.editing.NewPageResponder; import fitnesse.responders.editing.PropertiesResponder; import fitnesse.responders.editing.SavePropertiesResponder; import fitnesse.responders.editing.SaveResponder; import fitnesse.responders.editing.SymbolicLinkResponder; import fitnesse.responders.files.CreateDirectoryResponder; import fitnesse.responders.files.DeleteConfirmationResponder; import fitnesse.responders.files.DeleteFileResponder; import fitnesse.responders.files.FileResponder; import fitnesse.responders.files.RenameFileConfirmationResponder; import fitnesse.responders.files.RenameFileResponder; import fitnesse.responders.files.UploadResponder; import fitnesse.responders.refactoring.*; import fitnesse.responders.run.StopTestResponder; import fitnesse.responders.search.*; import fitnesse.responders.testHistory.HistoryComparerResponder; import fitnesse.responders.testHistory.PageHistoryResponder; import fitnesse.responders.testHistory.PurgeHistoryResponder; import fitnesse.responders.testHistory.SuiteOverviewResponder; import fitnesse.responders.testHistory.TestHistoryResponder; import fitnesse.responders.versions.RollbackResponder; import fitnesse.responders.versions.VersionComparerResponder; import fitnesse.responders.versions.VersionResponder; import fitnesse.responders.versions.VersionSelectionResponder; public class ResponderFactory { private static final Logger LOG = Logger.getLogger(ResponderFactory.class.getName()); private final String rootPath; private final Map<String, Class<? extends Responder>> responderMap; private final Map<String, List<Responder>> filterMap; public ResponderFactory(String rootPath) { this.rootPath = rootPath; responderMap = new HashMap<>(); addResponder("new", NewPageResponder.class); addResponder("edit", EditResponder.class); addResponder("saveData", SaveResponder.class); addResponder("search", SearchResponder.class); addResponder("searchForm", SearchResponder.class); addResponder("stoptest", StopTestResponder.class); addResponder("test", TestResponder.class); addResponder("suite", SuiteResponder.class); addResponder("proxy", SerializedPageResponder.class); addResponder("versions", VersionSelectionResponder.class); addResponder("viewVersion", VersionResponder.class); addResponder("rollback", RollbackResponder.class); addResponder("names", NameWikiPageResponder.class); addResponder("properties", PropertiesResponder.class); addResponder("saveProperties", SavePropertiesResponder.class); addResponder("searchProperties", SearchPropertiesResponder.class); // Deprecated: addResponder("executeSearchProperties", SearchPropertiesResponder.class); addResponder("whereUsed", WhereUsedResponder.class); addResponder("refactor", RefactorPageResponder.class); addResponder("deletePage", DeletePageResponder.class); addResponder("renamePage", RenamePageResponder.class); addResponder("movePage", MovePageResponder.class); addResponder("pageData", PageDataWikiPageResponder.class); addResponder("createDir", CreateDirectoryResponder.class); addResponder("upload", UploadResponder.class); addResponder("deleteFile", DeleteFileResponder.class); addResponder("renameFile", RenameFileResponder.class); addResponder("deleteConfirmation", DeleteConfirmationResponder.class); addResponder("renameConfirmation", RenameFileConfirmationResponder.class); addResponder("raw", RawContentResponder.class); addResponder("rss", RssResponder.class); addResponder("import", WikiImportingResponder.class); addResponder("files", FileResponder.class); addResponder("shutdown", ShutdownResponder.class); addResponder("symlink", SymbolicLinkResponder.class); addResponder("importAndView", ImportAndViewResponder.class); addResponder("getPage", WikiPageResponder.class); addResponder("packet", PacketResponder.class); addResponder("testHistory", TestHistoryResponder.class); addResponder("pageHistory", PageHistoryResponder.class); addResponder("executionLog", ExecutionLogResponder.class); addResponder("addChild", AddChildPageResponder.class); addResponder("purgeHistory", PurgeHistoryResponder.class); addResponder("compareHistory", HistoryComparerResponder.class); addResponder("replace", SearchReplaceResponder.class); addResponder("overview", SuiteOverviewResponder.class); addResponder("compareVersions", VersionComparerResponder.class); filterMap = new HashMap<>(); } public final void addResponder(String key, Class<? extends Responder> responderClass) { responderMap.put(key, responderClass); } public void addFilter(String key, Responder filterClass) { List<Responder> filters = filterMap.get(key); if (filters == null) { filters = new LinkedList<>(); filterMap.put(key, filters); } filters.add(filterClass); } public String getResponderKey(Request request) { String fullQuery; if (request.hasInput("responder")) fullQuery = request.getInput("responder"); else fullQuery = request.getQueryString(); if (fullQuery == null) return null; int argStart = fullQuery.indexOf('&'); return (argStart <= 0) ? fullQuery : fullQuery.substring(0, argStart); } public Responder makeResponder(Request request) throws InstantiationException, IOException { String resource = request.getResource(); String responderKey = getResponderKey(request); final Responder responder; if (usingResponderKey(responderKey)) { responder = wrapWithFilters(responderKey, lookupResponder(responderKey)); } else if (resource.startsWith("files/") || resource.equals("files")) { responder = wrapWithFilters("files", new FileResponder()); } else if (StringUtils.isBlank(resource) || PathParser.parse(resource) != null) { responder = wrapWithFilters("wiki", new WikiPageResponder()); } else { responder = new NotFoundResponder(); } return responder; } private Responder lookupResponder(String responderKey) throws InstantiationException { Class<?> responderClass = getResponderClass(responderKey); if (responderClass != null) { try { return newResponderInstance(responderClass); } catch (Exception e) { LOG.log(Level.WARNING, "Unable to instantiate responder " + responderKey, e); throw new InstantiationException("Unable to instantiate responder " + responderKey); } } throw new InstantiationException("No responder for " + responderKey); } private Responder newResponderInstance(Class<?> responderClass) throws InstantiationException, IllegalAccessException, InvocationTargetException, NoSuchMethodException { try { Constructor<?> constructor = responderClass.getConstructor(String.class); return (Responder) constructor.newInstance(rootPath); } catch (NoSuchMethodException e) { Constructor<?> constructor = responderClass.getConstructor(); return (Responder) constructor.newInstance(); } } private Responder wrapWithFilters(String key, Responder responder) throws InstantiationException { List<Responder> filters = filterMap.get(key); if (filters == null || filters.isEmpty()) { return responder; } return new FilteringResponder(filters, responder); } public Class<?> getResponderClass(String responderKey) { return responderMap.get(responderKey); } private boolean usingResponderKey(String responderKey) { return !("".equals(responderKey) || responderKey == null); } }