| /* |
| * 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.guacamole.auth.noauth; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| import org.apache.guacamole.protocol.GuacamoleConfiguration; |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.helpers.DefaultHandler; |
| |
| /** |
| * XML parser for the configuration file used by the NoAuth auth provider. |
| */ |
| public class NoAuthConfigContentHandler extends DefaultHandler { |
| |
| /** |
| * Map of all configurations, indexed by name. |
| */ |
| private Map<String, GuacamoleConfiguration> configs = new HashMap<String, GuacamoleConfiguration>(); |
| |
| /** |
| * The name of the current configuration, if any. |
| */ |
| private String current = null; |
| |
| /** |
| * The current configuration being parsed, if any. |
| */ |
| private GuacamoleConfiguration currentConfig = null; |
| |
| /** |
| * Returns the a map of all available configurations as parsed from the |
| * XML file. This map is unmodifiable. |
| * |
| * @return A map of all available configurations. |
| */ |
| public Map<String, GuacamoleConfiguration> getConfigs() { |
| return Collections.unmodifiableMap(configs); |
| } |
| |
| @Override |
| public void endElement(String uri, String localName, String qName) throws SAXException { |
| |
| // If end of config element, add to map |
| if (localName.equals("config")) { |
| |
| // Add to map |
| configs.put(current, currentConfig); |
| |
| // Reset state for next configuration |
| currentConfig = null; |
| current = null; |
| |
| } |
| |
| } |
| |
| @Override |
| public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException { |
| |
| // Begin configuration parsing if config element |
| if (localName.equals("config")) { |
| |
| // Ensure this config is on the top level |
| if (current != null) |
| throw new SAXException("Configurations cannot be nested."); |
| |
| // Read name |
| String name = attributes.getValue("name"); |
| if (name == null) |
| throw new SAXException("Each configuration must have a name."); |
| |
| // Read protocol |
| String protocol = attributes.getValue("protocol"); |
| if (protocol == null) |
| throw new SAXException("Each configuration must have a protocol."); |
| |
| // Create config stub |
| current = name; |
| currentConfig = new GuacamoleConfiguration(); |
| currentConfig.setProtocol(protocol); |
| |
| } |
| |
| // Add parameters to existing configuration |
| else if (localName.equals("param")) { |
| |
| // Ensure a corresponding config exists |
| if (currentConfig == null) |
| throw new SAXException("Parameter without corresponding configuration."); |
| |
| currentConfig.setParameter(attributes.getValue("name"), attributes.getValue("value")); |
| |
| } |
| |
| } |
| |
| } |