add external macro resttest servlet

rest-test-service/pom.xml

@@ -106,6 +106,18 @@
         </dependency>
         <!-- / container dependencies -->
 
+        <!-- library dependencies -->
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+            <version>2.8.5</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>1.3.2</version>
+        </dependency>
+        <!-- / library dependencies -->
     </dependencies>
 
 </project>

rest-test-service/src/main/java/password/pwm/resttest/ExternalMacroServlet.java

@@ -0,0 +1,60 @@
+/*
+ * Password Management Servlets (PWM)
+ * http://www.pwm-project.org
+ *
+ * Copyright (c) 2006-2009 Novell, Inc.
+ * Copyright (c) 2009-2018 The PWM Project
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+package password.pwm.resttest;
+
+import org.apache.commons.io.IOUtils;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.PrintWriter;
+
+@WebServlet(
+        name = "NewUserServlet",
+        urlPatterns = { "/external/macro1" }
+)
+
+public class ExternalMacroServlet extends HttpServlet
+{
+    @Override
+    protected void doPost( final HttpServletRequest req, final HttpServletResponse resp ) throws ServletException, IOException
+    {
+
+        final InputStream inputStream = req.getInputStream();
+        final String body = IOUtils.toString( inputStream );
+
+        System.out.println( "input POST body:  " + body );
+
+
+        resp.setHeader( "Content-Type", "application/json" );
+
+        final PrintWriter writer = resp.getWriter();
+        writer.write(  "{\"output\":\"macro api output SPLAT!\"}" );
+        writer.close();
+    }
+}