| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Licensed 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 com.google.gwt.dev; |
| |
| import com.google.gwt.util.tools.Utility; |
| |
| import java.io.File; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| /** |
| * Generates a web.xml file matching the servlets declared in GWT modules. |
| */ |
| class ServletWriter { |
| |
| static void generateMapping(FileWriter xmlWriter, String servletClass, |
| String servletPath) throws IOException { |
| String servletName = servletClass.replace('.', '_'); |
| xmlWriter.write('\n'); |
| xmlWriter.write(generateServletTag(servletName, servletClass)); |
| xmlWriter.write('\n'); |
| xmlWriter.write(generateServletMappingTag(servletName, servletPath)); |
| xmlWriter.write('\n'); |
| } |
| |
| static String generateServletMappingTag(String servletName, String servletPath) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("<servlet-mapping>\n"); |
| sb.append(" <servlet-name>" + servletName + "</servlet-name>\n"); |
| sb.append(" <url-pattern>" + servletPath + "</url-pattern>\n"); |
| sb.append("</servlet-mapping>"); |
| return sb.toString(); |
| } |
| |
| static String generateServletTag(String servletName, String servletClass) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("<servlet>\n"); |
| sb.append(" <servlet-name>" + servletName + "</servlet-name>\n"); |
| sb.append(" <servlet-class>" + servletClass + "</servlet-class>\n"); |
| sb.append("</servlet>"); |
| return sb.toString(); |
| } |
| |
| Map<String, String> mappings = new LinkedHashMap<String, String>(); |
| |
| public void addMapping(String servletClass, String servletPath) { |
| mappings.put(servletClass, servletPath); |
| } |
| |
| public void realize(File webXml) throws IOException { |
| if (mappings.size() == 0) { |
| // Only generate a file if necessary. |
| return; |
| } |
| webXml.getParentFile().mkdirs(); |
| FileWriter xmlWriter = new FileWriter(webXml); |
| xmlWriter.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"); |
| xmlWriter.write("<web-app>\n"); |
| |
| for (Entry<String, String> entry : mappings.entrySet()) { |
| String servletClass = entry.getKey(); |
| String servletPath = entry.getValue(); |
| String servletName = servletClass.replace('.', '_'); |
| xmlWriter.write('\n'); |
| xmlWriter.write(generateServletTag(servletName, servletClass)); |
| xmlWriter.write('\n'); |
| xmlWriter.write(generateServletMappingTag(servletName, servletPath)); |
| xmlWriter.write('\n'); |
| } |
| |
| xmlWriter.write("\n</web-app>\n"); |
| Utility.close(xmlWriter); |
| } |
| } |