diff options
Diffstat (limited to 'spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/service/ConfigurationServlet.java')
| -rw-r--r-- | spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/service/ConfigurationServlet.java | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/service/ConfigurationServlet.java b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/service/ConfigurationServlet.java new file mode 100644 index 000000000..f13adfec9 --- /dev/null +++ b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/service/ConfigurationServlet.java @@ -0,0 +1,135 @@ +/* +* Copyright 2003 Federal Chancellery Austria +* +* 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 at.gv.egovernment.moa.spss.server.service; + +import java.io.IOException; +import java.io.PrintWriter; +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; + +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import at.gv.egovernment.moa.logging.LogMsg; +import at.gv.egovernment.moa.logging.Logger; +import at.gv.egovernment.moa.logging.LoggingContext; +import at.gv.egovernment.moa.logging.LoggingContextManager; + +import at.gv.egovernment.moa.spss.server.config.ConfigurationProvider; +import at.gv.egovernment.moa.spss.server.iaik.config.IaikConfigurator; +import at.gv.egovernment.moa.spss.server.init.*; +import at.gv.egovernment.moa.spss.util.MessageProvider; + +/** + * A servlet to initialize and update the MOA configuration. + * + * @author Fatemeh Philippi + * @author Patrick Peck + * @version $Id$ + */ +public class ConfigurationServlet extends HttpServlet { + /** The document type of the HTML to generate. */ + private static final String DOC_TYPE = + "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">\n"; + + /** + * Handle a HTTP GET request, used to indicated that the MOA + * configuration needs to be updated (reloaded). + * + * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest, HttpServletResponse) + */ + public void doGet(HttpServletRequest request, HttpServletResponse response) + throws ServletException, IOException { + + MessageProvider msg = MessageProvider.getInstance(); + PrintWriter out; + + // set up a logging context for logging the reconfiguration + LoggingContextManager.getInstance().setLoggingContext( + new LoggingContext("configuration update")); + + response.setContentType("text/html"); + out = response.getWriter(); + out.println(DOC_TYPE); + out.println("<head><title>MOA configuration update</title></head>"); + out.println("<body bgcolor=\"#FFFFFF\">"); + try { + // reconfigure the system + ConfigurationProvider config = ConfigurationProvider.reload(); + IaikConfigurator iaikConfigurator = new IaikConfigurator(); + + iaikConfigurator.configure(config); + + // print a status message + out.println("<p><b>" + msg.getMessage("config.06", null) + "</b></p>"); + Logger.info(new LogMsg(msg.getMessage("config.06", null))); + + if (!config.getWarnings().isEmpty()) { + // print the warnings + List allWarnings = new ArrayList(); + Iterator iter; + + allWarnings.addAll(config.getWarnings()); + allWarnings.addAll(iaikConfigurator.getWarnings()); + + out.println("<p><b>" + msg.getMessage("config.29", null) + "</b></p>"); + for (iter = allWarnings.iterator(); iter.hasNext();) { + out.println(iter.next() + "<br />"); + } + out.println("<p><b>" + msg.getMessage("config.28", null) + "</b></p>"); + } + + } catch (Throwable t) { + out.println("<p><b>" + msg.getMessage("config.20", null) + "</b></p>"); + out.println("<p><b>" + msg.getMessage("config.28", null) + "</b></p>"); + Logger.warn(new LogMsg(msg.getMessage("config.20", null)), t); + } + out.println("</body>"); + + out.flush(); + out.close(); + + // tear down the logging context + LoggingContextManager.getInstance().setLoggingContext(null); + } + + /** + * Do the same as <code>doGet</code>. + * + * @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest, HttpServletResponse) + */ + public void doPost(HttpServletRequest request, HttpServletResponse response) + throws ServletException, IOException { + doGet(request, response); + } + + /** + * Perform some initial initialization tasks for the MOA web services + * application. + * + * Does an initial load of the MOA configuration to test if a working web + * service can be provided. + * + * @see javax.servlet.GenericServlet#init() + */ + public void init() throws ServletException { + SystemInitializer.init(); + } + +}
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