Support for sequence diagrams as ASCII art.

content/WEB-INF/web.xml

@@ -17,6 +17,10 @@
         <servlet-name>svgservlet</servlet-name>
         <servlet-class>net.sourceforge.plantuml.servlet.SvgServlet</servlet-class>
     </servlet>
+    <servlet>
+        <servlet-name>asciiservlet</servlet-name>
+        <servlet-class>net.sourceforge.plantuml.servlet.AsciiServlet</servlet-class>
+    </servlet>
     <!-- Patterns of the servlet -->
     <servlet-mapping>
         <servlet-name>welcome</servlet-name>
@@ -38,6 +42,10 @@
         <servlet-name>svgservlet</servlet-name>
         <url-pattern>/svg/*</url-pattern>
     </servlet-mapping>
+    <servlet-mapping>
+        <servlet-name>asciiservlet</servlet-name>
+        <url-pattern>/txt/*</url-pattern>
+    </servlet-mapping>
     <servlet-mapping>
         <servlet-name>plantumlservlet</servlet-name>
         <url-pattern>/start/*</url-pattern>

src/net/sourceforge/plantuml/servlet/AsciiServlet.java

@@ -0,0 +1,50 @@
+/* ========================================================================
+ * PlantUML : a free UML diagram generator
+ * ========================================================================
+ *
+ * Project Info:  http://plantuml.sourceforge.net
+ * 
+ * This file is part of PlantUML.
+ *
+ * PlantUML is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * PlantUML distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
+ * USA.
+ */
+package net.sourceforge.plantuml.servlet;
+
+import net.sourceforge.plantuml.FileFormat;
+
+/* 
+ * ASCII servlet of the webapp.
+ * This servlet produces the UML sequence diagram in text format.
+ */
+@SuppressWarnings("serial")
+public class AsciiServlet extends UmlDiagramService {
+
+    @Override
+    public String getSource( String uri) {
+        String[] result = uri.split("/txt/", 2);
+        if (result.length != 2) {
+            return "";
+        } else {
+          return result[1];
+        }
+    }
+
+    @Override
+    public FileFormat getOutputFormat() {
+        return FileFormat.ATXT;
+    }
+
+}

src/net/sourceforge/plantuml/servlet/DiagramResponse.java

@@ -48,6 +48,7 @@ class DiagramResponse {
         Map<FileFormat, String> map = new HashMap<FileFormat, String>();
         map.put(FileFormat.PNG, "image/png");
         map.put(FileFormat.SVG, "image/svg+xml");
+        map.put(FileFormat.ATXT, "text/plain");
         contentType = Collections.unmodifiableMap(map);
     }