com.google.gwt.dev.ServletWriter Maven / Gradle / Ivy
/*
* 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("\n");
sb.append(" " + servletName + " \n");
sb.append(" " + servletPath + " \n");
sb.append(" ");
return sb.toString();
}
static String generateServletTag(String servletName, String servletClass) {
StringBuilder sb = new StringBuilder();
sb.append("\n");
sb.append(" " + servletName + " \n");
sb.append(" " + servletClass + " \n");
sb.append(" ");
return sb.toString();
}
Map mappings = new LinkedHashMap();
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("\n");
xmlWriter.write("\n");
for (Entry 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 \n");
Utility.close(xmlWriter);
}
}