From 0f5198c28f2e0da5013ee059e1c082b1e54c307d Mon Sep 17 00:00:00 2001
From: Jeff Burke <Jeff.Burke@nrc-cnrc.gc.ca>
Date: Mon, 13 Jul 2015 10:03:07 -0700
Subject: [PATCH] s1734: initial JSON reader writers

---
 projects/cadcAccessControl-Server/build.xml   |   5 +-
 projects/cadcAccessControl/build.xml          |  23 +-
 .../src/ca/nrc/cadc/ac/Group.java             |   2 +
 .../cadc/ac/{xml => }/ReaderException.java    |   2 +-
 .../cadc/ac/{xml => }/WriterException.java    |   2 +-
 .../src/ca/nrc/cadc/ac/json/UserReader.java   | 201 ++++++++++++++++++
 .../src/ca/nrc/cadc/ac/json/UserWriter.java   | 201 ++++++++++++++++++
 .../src/ca/nrc/cadc/ac/xml/GroupReader.java   |  18 +-
 .../src/ca/nrc/cadc/ac/xml/GroupWriter.java   |  23 +-
 .../src/ca/nrc/cadc/ac/xml/GroupsReader.java  |   1 +
 .../src/ca/nrc/cadc/ac/xml/GroupsWriter.java  |   1 +
 .../src/ca/nrc/cadc/ac/xml/UserReader.java    |  14 +-
 .../ca/nrc/cadc/ac/xml/UserRequestReader.java |   1 +
 .../ca/nrc/cadc/ac/xml/UserRequestWriter.java |   1 +
 .../src/ca/nrc/cadc/ac/xml/UserWriter.java    |  16 +-
 .../cadc/ac/json/UserReaderWriterTest.java    | 155 ++++++++++++++
 .../ac/xml/GroupPropertyReaderWriterTest.java |  31 ++-
 .../cadc/ac/xml/GroupReaderWriterTest.java    |   3 +-
 .../cadc/ac/xml/GroupsReaderWriterTest.java   |   3 +-
 .../cadc/ac/xml/IdentityReaderWriterTest.java |  12 +-
 .../ac/xml/UserDetailsReaderWriterTest.java   |  35 +--
 .../nrc/cadc/ac/xml/UserReaderWriterTest.java |   3 +-
 .../ac/xml/UserRequestReaderWriterTest.java   |   3 +-
 23 files changed, 683 insertions(+), 73 deletions(-)
 rename projects/cadcAccessControl/src/ca/nrc/cadc/ac/{xml => }/ReaderException.java (99%)
 rename projects/cadcAccessControl/src/ca/nrc/cadc/ac/{xml => }/WriterException.java (99%)
 create mode 100755 projects/cadcAccessControl/src/ca/nrc/cadc/ac/json/UserReader.java
 create mode 100755 projects/cadcAccessControl/src/ca/nrc/cadc/ac/json/UserWriter.java
 create mode 100644 projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/json/UserReaderWriterTest.java

diff --git a/projects/cadcAccessControl-Server/build.xml b/projects/cadcAccessControl-Server/build.xml
index 14616e31..0630318f 100644
--- a/projects/cadcAccessControl-Server/build.xml
+++ b/projects/cadcAccessControl-Server/build.xml
@@ -113,16 +113,15 @@
     </target>
 
     <!-- JAR files needed to run the test suite -->
-    <property name="gson"           value="${ext.lib}/gson.jar" />
+    <property name="json"           value="${ext.lib}/json.jar" />
     <property name="easyMock"       value="${ext.dev}/easymock.jar" />
     <property name="junit"          value="${ext.dev}/junit.jar" />
     <property name="xmlunit"        value="${ext.dev}/xmlunit.jar" />
-    <property name="xerces"         value="${ext.lib}/xerces.jar" />
     <property name="cglib"          value="${ext.dev}/cglib.jar" />
     <property name="objenesis"      value="${ext.dev}/objenesis.jar" />
     <property name="asm"            value="${ext.dev}/asm.jar" />
 
-    <property name="testingJars"    value="${jars}:${gson}:${easyMock}:${junit}:${xmlunit}:${xerces}:${cglib}:${asm}:${objenesis}" />
+    <property name="testingJars"    value="${jars}:${json}:${easyMock}:${junit}:${xmlunit}:${cglib}:${asm}:${objenesis}" />
 
     <target name="resources">
         <copy todir="${build}/class">
diff --git a/projects/cadcAccessControl/build.xml b/projects/cadcAccessControl/build.xml
index a3b964ed..7dab6cbb 100644
--- a/projects/cadcAccessControl/build.xml
+++ b/projects/cadcAccessControl/build.xml
@@ -89,14 +89,15 @@
 
     <property name="cadcUtil"           value="${lib}/cadcUtil.jar" />
 	<property name="cadcRegistryClient" value="${lib}/cadcRegistryClient.jar" />
-    
+
+    <property name="json"       value="${ext.lib}/json.jar" />
     <property name="jdom2"      value="${ext.lib}/jdom2.jar" />
-    <property name="javacsv"      value="${ext.lib}/javacsv.jar" />
+    <property name="javacsv"    value="${ext.lib}/javacsv.jar" />
     <property name="log4j"      value="${ext.lib}/log4j.jar" />
     <property name="unboundid"  value="${ext.lib}/unboundid-ldapsdk-se.jar" />
 
 
-    <property name="jars" value="${jdom2}:${log4j}:${javacsv}:${unboundid}:${cadcUtil}:${cadcRegistryClient}" />
+    <property name="jars" value="${json}:${jdom2}:${log4j}:${javacsv}:${unboundid}:${cadcUtil}:${cadcRegistryClient}" />
     
     <target name="build" depends="compile">
         <jar jarfile="${build}/lib/${project}.jar"
@@ -116,4 +117,20 @@
     
     <property name="testingJars" value="${build}/class:${jars}:${xerces}:${asm}:${cglib}:${easymock}:${junit}:${objenesis}" />
 
+    <target name="test" depends="compile,compile-test">
+        <echo message="Running test suite..." />
+        <junit printsummary="yes" haltonfailure="yes" fork="yes">
+            <classpath>
+                <pathelement path="${build}/class"/>
+                <pathelement path="${build}/test/class"/>
+                <pathelement path="${testingJars}"/>
+            </classpath>
+            <test name="ca.nrc.cadc.ac.json.GroupPropertyReaderWriterTest" />
+            <test name="ca.nrc.cadc.ac.json.UserDetailsReaderWriterTest" />
+            <test name="ca.nrc.cadc.ac.json.IdentityReaderWriterTest" />
+            <test name="ca.nrc.cadc.ac.json.UserReaderWriterTest" />
+            <formatter type="plain" usefile="false" />
+        </junit>
+    </target>
+
 </project>
diff --git a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/Group.java b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/Group.java
index c8e8048e..6a91450b 100644
--- a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/Group.java
+++ b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/Group.java
@@ -96,6 +96,8 @@ public class Group
     
     public String description;
     public Date lastModified;
+
+    public Group() {}
     
     /**
      * Ctor.
diff --git a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/ReaderException.java b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/ReaderException.java
similarity index 99%
rename from projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/ReaderException.java
rename to projects/cadcAccessControl/src/ca/nrc/cadc/ac/ReaderException.java
index 0b34ec63..397d1e62 100755
--- a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/ReaderException.java
+++ b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/ReaderException.java
@@ -66,7 +66,7 @@
  *
  ************************************************************************
  */
-package ca.nrc.cadc.ac.xml;
+package ca.nrc.cadc.ac;
 
 import java.io.IOException;
 
diff --git a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/WriterException.java b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/WriterException.java
similarity index 99%
rename from projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/WriterException.java
rename to projects/cadcAccessControl/src/ca/nrc/cadc/ac/WriterException.java
index 13900397..3bf5a2b8 100755
--- a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/WriterException.java
+++ b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/WriterException.java
@@ -66,7 +66,7 @@
  *
  ************************************************************************
  */
-package ca.nrc.cadc.ac.xml;
+package ca.nrc.cadc.ac;
 
 import java.io.IOException;
 
diff --git a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/json/UserReader.java b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/json/UserReader.java
new file mode 100755
index 00000000..1f9fa208
--- /dev/null
+++ b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/json/UserReader.java
@@ -0,0 +1,201 @@
+/*
+ ************************************************************************
+ *******************  CANADIAN ASTRONOMY DATA CENTRE  *******************
+ **************  CENTRE CANADIEN DE DONNÉES ASTRONOMIQUES  **************
+ *
+ *  (c) 2014.                            (c) 2014.
+ *  Government of Canada                 Gouvernement du Canada
+ *  National Research Council            Conseil national de recherches
+ *  Ottawa, Canada, K1A 0R6              Ottawa, Canada, K1A 0R6
+ *  All rights reserved                  Tous droits réservés
+ *
+ *  NRC disclaims any warranties,        Le CNRC dénie toute garantie
+ *  expressed, implied, or               énoncée, implicite ou légale,
+ *  statutory, of any kind with          de quelque nature que ce
+ *  respect to the software,             soit, concernant le logiciel,
+ *  including without limitation         y compris sans restriction
+ *  any warranty of merchantability      toute garantie de valeur
+ *  or fitness for a particular          marchande ou de pertinence
+ *  purpose. NRC shall not be            pour un usage particulier.
+ *  liable in any event for any          Le CNRC ne pourra en aucun cas
+ *  damages, whether direct or           être tenu responsable de tout
+ *  indirect, special or general,        dommage, direct ou indirect,
+ *  consequential or incidental,         particulier ou général,
+ *  arising from the use of the          accessoire ou fortuit, résultant
+ *  software.  Neither the name          de l'utilisation du logiciel. Ni
+ *  of the National Research             le nom du Conseil National de
+ *  Council of Canada nor the            Recherches du Canada ni les noms
+ *  names of its contributors may        de ses  participants ne peuvent
+ *  be used to endorse or promote        être utilisés pour approuver ou
+ *  products derived from this           promouvoir les produits dérivés
+ *  software without specific prior      de ce logiciel sans autorisation
+ *  written permission.                  préalable et particulière
+ *                                       par écrit.
+ *
+ *  This file is part of the             Ce fichier fait partie du projet
+ *  OpenCADC project.                    OpenCADC.
+ *
+ *  OpenCADC is free software:           OpenCADC est un logiciel libre ;
+ *  you can redistribute it and/or       vous pouvez le redistribuer ou le
+ *  modify it under the terms of         modifier suivant les termes de
+ *  the GNU Affero General Public        la “GNU Affero General Public
+ *  License as published by the          License” telle que publiée
+ *  Free Software Foundation,            par la Free Software Foundation
+ *  either version 3 of the              : soit la version 3 de cette
+ *  License, or (at your option)         licence, soit (à votre gré)
+ *  any later version.                   toute version ultérieure.
+ *
+ *  OpenCADC is distributed in the       OpenCADC est distribué
+ *  hope that it will be useful,         dans l’espoir qu’il vous
+ *  but WITHOUT ANY WARRANTY;            sera utile, mais SANS AUCUNE
+ *  without even the implied             GARANTIE : sans même la garantie
+ *  warranty of MERCHANTABILITY          implicite de COMMERCIALISABILITÉ
+ *  or FITNESS FOR A PARTICULAR          ni d’ADÉQUATION À UN OBJECTIF
+ *  PURPOSE.  See the GNU Affero         PARTICULIER. Consultez la Licence
+ *  General Public License for           Générale Publique GNU Affero
+ *  more details.                        pour plus de détails.
+ *
+ *  You should have received             Vous devriez avoir reçu une
+ *  a copy of the GNU Affero             copie de la Licence Générale
+ *  General Public License along         Publique GNU Affero avec
+ *  with OpenCADC.  If not, see          OpenCADC ; si ce n’est
+ *  <http://www.gnu.org/licenses/>.      pas le cas, consultez :
+ *                                       <http://www.gnu.org/licenses/>.
+ *
+ *  $Revision: 4 $
+ *
+ ************************************************************************
+ */
+package ca.nrc.cadc.ac.json;
+
+import ca.nrc.cadc.ac.ReaderException;
+import ca.nrc.cadc.ac.User;
+import ca.nrc.cadc.ac.UserDetails;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.Reader;
+import java.net.URISyntaxException;
+import java.security.Principal;
+import java.util.Scanner;
+
+public class UserReader
+{
+    /**
+     * Construct a User from a InputStream.
+     *
+     * @param in InputStream.
+     * @return User User.
+     * @throws ReaderException
+     * @throws IOException
+     * @throws URISyntaxException
+     */
+    public static User<? extends Principal> read(InputStream in)
+        throws ReaderException, IOException, URISyntaxException
+    {
+        if (in == null)
+        {
+            throw new IOException("stream closed");
+        }
+
+        Scanner s = new Scanner(in).useDelimiter("\\A");
+        String json = s.hasNext() ? s.next() : "";
+
+        return read(json);
+    }
+
+    /**
+     * Construct a User from a Reader.
+     *
+     * @param reader Reader.
+     * @return User User.
+     * @throws ReaderException
+     * @throws IOException
+     */
+    public static User<? extends Principal> read(Reader reader)
+        throws ReaderException, IOException, URISyntaxException
+    {
+        if (reader == null)
+        {
+            throw new IllegalArgumentException("reader must not be null");
+        }
+
+        Scanner s = new Scanner(reader).useDelimiter("\\A");
+        String json = s.hasNext() ? s.next() : "";
+
+        return read(json);
+    }
+
+    /**
+     * Construct a User from an JSON String source.
+     *
+     * @param json String of JSON.
+     * @return User User.
+     * @throws ReaderException
+     * @throws IOException
+     * @throws URISyntaxException
+     */
+    public static User<? extends Principal> read(String json)
+        throws ReaderException, IOException, URISyntaxException
+    {
+        if (json == null || json.isEmpty())
+        {
+            throw new IllegalArgumentException("JSON must not be null or empty");
+        }
+
+        // Create a JSONObject from the JSON
+        try
+        {
+            return parseUser(new JSONObject(json).getJSONObject("user"));
+        }
+        catch (JSONException e)
+        {
+            String error = "Unable to parse JSON to User because " +
+                           e.getMessage();
+            throw new ReaderException(error, e);
+        }
+    }
+
+    protected static User<? extends Principal> parseUser(JSONObject userObject)
+        throws ReaderException
+    {
+        try
+        {
+            JSONObject userIDObject = userObject.getJSONObject("userID");
+            JSONObject userIDIdentityObject = userIDObject.getJSONObject("identity");
+
+            Principal userID = IdentityReader.read(userIDIdentityObject);
+            User<Principal> user = new User<Principal>(userID);
+
+            // identities
+            JSONArray identitiesArray = userObject.getJSONArray("identities");
+            for (int i = 0; i < identitiesArray.length(); i++)
+            {
+                JSONObject identitiesObject = identitiesArray.getJSONObject(i);
+                JSONObject identityObject = identitiesObject.getJSONObject(("identity"));
+                user.getIdentities().add(IdentityReader.read(identityObject));
+            }
+
+            // details
+            JSONArray detailsArray = userObject.getJSONArray("details");
+            for (int i = 0; i < detailsArray.length(); i++)
+            {
+                JSONObject detailsObject = detailsArray.getJSONObject(i);
+                JSONObject userDetailsObject = detailsObject.getJSONObject(UserDetails.NAME);
+                user.details.add(UserDetailsReader.read(userDetailsObject));
+            }
+
+            return user;
+        }
+        catch (JSONException e)
+        {
+            final String error = "Unable to parse JSON to User because " +
+                                 e.getMessage();
+            throw new ReaderException(error, e);
+        }
+    }
+
+}
diff --git a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/json/UserWriter.java b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/json/UserWriter.java
new file mode 100755
index 00000000..1289ac9e
--- /dev/null
+++ b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/json/UserWriter.java
@@ -0,0 +1,201 @@
+/*
+ ************************************************************************
+ *******************  CANADIAN ASTRONOMY DATA CENTRE  *******************
+ **************  CENTRE CANADIEN DE DONNÉES ASTRONOMIQUES  **************
+ *
+ *  (c) 2014.                            (c) 2014.
+ *  Government of Canada                 Gouvernement du Canada
+ *  National Research Council            Conseil national de recherches
+ *  Ottawa, Canada, K1A 0R6              Ottawa, Canada, K1A 0R6
+ *  All rights reserved                  Tous droits réservés
+ *
+ *  NRC disclaims any warranties,        Le CNRC dénie toute garantie
+ *  expressed, implied, or               énoncée, implicite ou légale,
+ *  statutory, of any kind with          de quelque nature que ce
+ *  respect to the software,             soit, concernant le logiciel,
+ *  including without limitation         y compris sans restriction
+ *  any warranty of merchantability      toute garantie de valeur
+ *  or fitness for a particular          marchande ou de pertinence
+ *  purpose. NRC shall not be            pour un usage particulier.
+ *  liable in any event for any          Le CNRC ne pourra en aucun cas
+ *  damages, whether direct or           être tenu responsable de tout
+ *  indirect, special or general,        dommage, direct ou indirect,
+ *  consequential or incidental,         particulier ou général,
+ *  arising from the use of the          accessoire ou fortuit, résultant
+ *  software.  Neither the name          de l'utilisation du logiciel. Ni
+ *  of the National Research             le nom du Conseil National de
+ *  Council of Canada nor the            Recherches du Canada ni les noms
+ *  names of its contributors may        de ses  participants ne peuvent
+ *  be used to endorse or promote        être utilisés pour approuver ou
+ *  products derived from this           promouvoir les produits dérivés
+ *  software without specific prior      de ce logiciel sans autorisation
+ *  written permission.                  préalable et particulière
+ *                                       par écrit.
+ *
+ *  This file is part of the             Ce fichier fait partie du projet
+ *  OpenCADC project.                    OpenCADC.
+ *
+ *  OpenCADC is free software:           OpenCADC est un logiciel libre ;
+ *  you can redistribute it and/or       vous pouvez le redistribuer ou le
+ *  modify it under the terms of         modifier suivant les termes de
+ *  the GNU Affero General Public        la “GNU Affero General Public
+ *  License as published by the          License” telle que publiée
+ *  Free Software Foundation,            par la Free Software Foundation
+ *  either version 3 of the              : soit la version 3 de cette
+ *  License, or (at your option)         licence, soit (à votre gré)
+ *  any later version.                   toute version ultérieure.
+ *
+ *  OpenCADC is distributed in the       OpenCADC est distribué
+ *  hope that it will be useful,         dans l’espoir qu’il vous
+ *  but WITHOUT ANY WARRANTY;            sera utile, mais SANS AUCUNE
+ *  without even the implied             GARANTIE : sans même la garantie
+ *  warranty of MERCHANTABILITY          implicite de COMMERCIALISABILITÉ
+ *  or FITNESS FOR A PARTICULAR          ni d’ADÉQUATION À UN OBJECTIF
+ *  PURPOSE.  See the GNU Affero         PARTICULIER. Consultez la Licence
+ *  General Public License for           Générale Publique GNU Affero
+ *  more details.                        pour plus de détails.
+ *
+ *  You should have received             Vous devriez avoir reçu une
+ *  a copy of the GNU Affero             copie de la Licence Générale
+ *  General Public License along         Publique GNU Affero avec
+ *  with OpenCADC.  If not, see          OpenCADC ; si ce n’est
+ *  <http://www.gnu.org/licenses/>.      pas le cas, consultez :
+ *                                       <http://www.gnu.org/licenses/>.
+ *
+ *  $Revision: 4 $
+ *
+ ************************************************************************
+ */
+package ca.nrc.cadc.ac.json;
+
+import ca.nrc.cadc.ac.User;
+import ca.nrc.cadc.ac.UserDetails;
+import ca.nrc.cadc.ac.WriterException;
+import ca.nrc.cadc.util.StringBuilderWriter;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.BufferedWriter;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.UnsupportedEncodingException;
+import java.io.Writer;
+import java.security.Principal;
+import java.util.Set;
+
+public class UserWriter
+{
+    /**
+     * Write a User as a JSON string to a StringBuilder.
+     * 
+     * @param user User to write.
+     * @param builder StringBuilder to write to.
+     * @throws IOException if the writer fails to write.
+     * @throws WriterException
+     */
+    public static void write(User<? extends Principal> user, StringBuilder builder)
+        throws IOException, WriterException
+    {
+        write(user, new StringBuilderWriter(builder));
+    }
+
+    /**
+     * Write a User as a JSON string to an OutputStream.
+     *
+     * @param user User to write.
+     * @param out OutputStream to write to.
+     * @throws IOException if the writer fails to write.
+     * @throws WriterException
+     */
+    public static void write(User<? extends Principal> user, OutputStream out)
+        throws IOException, WriterException
+    {                
+        OutputStreamWriter outWriter;
+        try
+        {
+            outWriter = new OutputStreamWriter(out, "UTF-8");
+        }
+        catch (UnsupportedEncodingException e)
+        {
+            throw new RuntimeException("UTF-8 encoding not supported", e);
+        }
+        write(user, new BufferedWriter(outWriter));
+    }
+
+    /**
+     * Write a User as a JSON string to a Writer.
+     *
+     * @param user User to write.
+     * @param writer Writer to write to.
+     * @throws IOException if the writer fails to write.
+     * @throws WriterException
+     */
+    public static void write(User<? extends Principal> user, Writer writer)
+        throws IOException, WriterException
+    {
+        if (user == null)
+        {
+            throw new WriterException("null User");
+        }
+
+        try
+        {
+            getUserJSONObject(user).write(writer);
+        }
+        catch (JSONException e)
+        {
+            final String error = "Unable to create JSON for User " +
+                                 " because " + e.getMessage();
+            throw new WriterException(error, e);
+        }
+    }
+
+    /**
+     * Build a User JSONObject from a User.
+     *
+     * @param user User.
+     * @return JSONObject.
+     * @throws WriterException
+     */
+    public static JSONObject getUserJSONObject(User<? extends Principal> user)
+        throws WriterException, JSONException
+    {
+        JSONObject userObject = new JSONObject();
+        JSONObject userIDIdentityObject = new JSONObject();
+        userIDIdentityObject.put("identity", IdentityWriter.write(user.getUserID()));
+        userObject.put("userID", userIDIdentityObject);
+
+        // identities
+        Set<Principal> identities = user.getIdentities();
+        if (!identities.isEmpty())
+        {
+            JSONArray identityArray = new JSONArray();
+            for (Principal identity : identities)
+            {
+                JSONObject identityObject = new JSONObject();
+                identityObject.put("identity" , IdentityWriter.write(identity));
+                identityArray.put(identityObject);
+            }
+            userObject.put("identities", identityArray);
+        }
+
+        // details
+        if (!user.details.isEmpty())
+        {
+            JSONArray detailsArray = new JSONArray();
+            Set<UserDetails> userDetails = user.details;
+            for (UserDetails userDetail : userDetails)
+            {
+                JSONObject detailsObject = new JSONObject();
+                detailsObject.put(UserDetails.NAME , UserDetailsWriter.write(userDetail));
+                detailsArray.put(detailsObject);
+            }
+            userObject.put("details", detailsArray);
+        }
+
+        return new JSONObject().put("user", userObject);
+    }
+
+}
diff --git a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/GroupReader.java b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/GroupReader.java
index 1631dcc9..8cfc37ee 100755
--- a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/GroupReader.java
+++ b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/GroupReader.java
@@ -68,6 +68,16 @@
  */
 package ca.nrc.cadc.ac.xml;
 
+import ca.nrc.cadc.ac.AC;
+import ca.nrc.cadc.ac.Group;
+import ca.nrc.cadc.ac.ReaderException;
+import ca.nrc.cadc.ac.User;
+import ca.nrc.cadc.date.DateUtil;
+import ca.nrc.cadc.xml.XmlUtil;
+import org.jdom2.Document;
+import org.jdom2.Element;
+import org.jdom2.JDOMException;
+
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -80,14 +90,6 @@ import java.text.DateFormat;
 import java.text.ParseException;
 import java.util.List;
 
-import ca.nrc.cadc.ac.*;
-import org.jdom2.Document;
-import org.jdom2.Element;
-import org.jdom2.JDOMException;
-
-import ca.nrc.cadc.date.DateUtil;
-import ca.nrc.cadc.xml.XmlUtil;
-
 public class GroupReader
 {
 
diff --git a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/GroupWriter.java b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/GroupWriter.java
index 8b77c7c7..18f307a8 100755
--- a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/GroupWriter.java
+++ b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/GroupWriter.java
@@ -68,6 +68,19 @@
  */
 package ca.nrc.cadc.ac.xml;
 
+import ca.nrc.cadc.ac.AC;
+import ca.nrc.cadc.ac.Group;
+import ca.nrc.cadc.ac.GroupProperty;
+import ca.nrc.cadc.ac.User;
+import ca.nrc.cadc.ac.WriterException;
+import ca.nrc.cadc.date.DateUtil;
+import ca.nrc.cadc.util.StringBuilderWriter;
+import org.jdom2.Attribute;
+import org.jdom2.Document;
+import org.jdom2.Element;
+import org.jdom2.output.Format;
+import org.jdom2.output.XMLOutputter;
+
 import java.io.BufferedWriter;
 import java.io.IOException;
 import java.io.OutputStream;
@@ -77,16 +90,6 @@ import java.io.Writer;
 import java.security.Principal;
 import java.text.DateFormat;
 
-import ca.nrc.cadc.ac.*;
-import org.jdom2.Attribute;
-import org.jdom2.Document;
-import org.jdom2.Element;
-import org.jdom2.output.Format;
-import org.jdom2.output.XMLOutputter;
-
-import ca.nrc.cadc.date.DateUtil;
-import ca.nrc.cadc.util.StringBuilderWriter;
-
 public class GroupWriter
 {
     /**
diff --git a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/GroupsReader.java b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/GroupsReader.java
index c4b02390..c0c31fbe 100755
--- a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/GroupsReader.java
+++ b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/GroupsReader.java
@@ -69,6 +69,7 @@
 package ca.nrc.cadc.ac.xml;
 
 import ca.nrc.cadc.ac.Group;
+import ca.nrc.cadc.ac.ReaderException;
 import ca.nrc.cadc.xml.XmlUtil;
 import java.io.IOException;
 import java.io.InputStream;
diff --git a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/GroupsWriter.java b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/GroupsWriter.java
index 8d02173e..fb92d2cd 100755
--- a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/GroupsWriter.java
+++ b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/GroupsWriter.java
@@ -1,6 +1,7 @@
 package ca.nrc.cadc.ac.xml;
 
 import ca.nrc.cadc.ac.Group;
+import ca.nrc.cadc.ac.WriterException;
 import ca.nrc.cadc.util.StringBuilderWriter;
 import java.io.BufferedWriter;
 import java.io.IOException;
diff --git a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/UserReader.java b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/UserReader.java
index b5514333..9b9ad2bb 100755
--- a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/UserReader.java
+++ b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/UserReader.java
@@ -68,8 +68,13 @@
  */
 package ca.nrc.cadc.ac.xml;
 
+import ca.nrc.cadc.ac.ReaderException;
 import ca.nrc.cadc.ac.User;
 import ca.nrc.cadc.xml.XmlUtil;
+import org.jdom2.Document;
+import org.jdom2.Element;
+import org.jdom2.JDOMException;
+
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -79,9 +84,6 @@ import java.io.UnsupportedEncodingException;
 import java.net.URISyntaxException;
 import java.security.Principal;
 import java.util.List;
-import org.jdom2.Document;
-import org.jdom2.Element;
-import org.jdom2.JDOMException;
 
 public class UserReader
 {
@@ -185,7 +187,7 @@ public class UserReader
             throw new ReaderException(error);
         }
 
-        Principal userID = ca.nrc.cadc.ac.xml.IdentityReader.read(userIDIdentityElement);
+        Principal userID = IdentityReader.read(userIDIdentityElement);
 
         User<Principal> user = new User<Principal>(userID);
 
@@ -196,7 +198,7 @@ public class UserReader
             List<Element> identityElements = identitiesElement.getChildren("identity");
             for (Element identityElement : identityElements)
             {
-                user.getIdentities().add(ca.nrc.cadc.ac.xml.IdentityReader.read(identityElement));
+                user.getIdentities().add(IdentityReader.read(identityElement));
             }
 
         }
@@ -208,7 +210,7 @@ public class UserReader
             List<Element> userDetailsElements = detailsElement.getChildren("userDetails");
             for (Element userDetailsElement : userDetailsElements)
             {
-                user.details.add(ca.nrc.cadc.ac.xml.UserDetailsReader.read(userDetailsElement));
+                user.details.add(UserDetailsReader.read(userDetailsElement));
             }
         }
 
diff --git a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/UserRequestReader.java b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/UserRequestReader.java
index 94986a10..f7c0e855 100644
--- a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/UserRequestReader.java
+++ b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/UserRequestReader.java
@@ -68,6 +68,7 @@
  */
 package ca.nrc.cadc.ac.xml;
 
+import ca.nrc.cadc.ac.ReaderException;
 import ca.nrc.cadc.ac.User;
 import ca.nrc.cadc.ac.UserRequest;
 import ca.nrc.cadc.xml.XmlUtil;
diff --git a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/UserRequestWriter.java b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/UserRequestWriter.java
index c85a6e5f..10aaf852 100644
--- a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/UserRequestWriter.java
+++ b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/UserRequestWriter.java
@@ -70,6 +70,7 @@
 package ca.nrc.cadc.ac.xml;
 
 import ca.nrc.cadc.ac.UserRequest;
+import ca.nrc.cadc.ac.WriterException;
 import ca.nrc.cadc.util.StringBuilderWriter;
 import org.jdom2.Document;
 import org.jdom2.Element;
diff --git a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/UserWriter.java b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/UserWriter.java
index b9be13ef..b1d6642d 100755
--- a/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/UserWriter.java
+++ b/projects/cadcAccessControl/src/ca/nrc/cadc/ac/xml/UserWriter.java
@@ -70,7 +70,13 @@ package ca.nrc.cadc.ac.xml;
 
 import ca.nrc.cadc.ac.User;
 import ca.nrc.cadc.ac.UserDetails;
+import ca.nrc.cadc.ac.WriterException;
 import ca.nrc.cadc.util.StringBuilderWriter;
+import org.jdom2.Document;
+import org.jdom2.Element;
+import org.jdom2.output.Format;
+import org.jdom2.output.XMLOutputter;
+
 import java.io.BufferedWriter;
 import java.io.IOException;
 import java.io.OutputStream;
@@ -79,10 +85,6 @@ import java.io.UnsupportedEncodingException;
 import java.io.Writer;
 import java.security.Principal;
 import java.util.Set;
-import org.jdom2.Document;
-import org.jdom2.Element;
-import org.jdom2.output.Format;
-import org.jdom2.output.XMLOutputter;
 
 public class UserWriter
 {
@@ -157,7 +159,7 @@ public class UserWriter
 
         // userID element
         Element userIDElement = new Element("userID");
-        userIDElement.addContent(ca.nrc.cadc.ac.xml.IdentityWriter.write(user.getUserID()));
+        userIDElement.addContent(IdentityWriter.write(user.getUserID()));
         userElement.addContent(userIDElement);
 
         // identities
@@ -167,7 +169,7 @@ public class UserWriter
             Element identitiesElement = new Element("identities");
             for (Principal identity : identities)
             {
-                identitiesElement.addContent(ca.nrc.cadc.ac.xml.IdentityWriter.write(identity));
+                identitiesElement.addContent(IdentityWriter.write(identity));
             }
             userElement.addContent(identitiesElement);
         }
@@ -179,7 +181,7 @@ public class UserWriter
             Set<UserDetails> userDetails = user.details;
             for (UserDetails userDetail : userDetails)
             {
-                detailsElement.addContent(ca.nrc.cadc.ac.xml.UserDetailsWriter.write(userDetail));
+                detailsElement.addContent(UserDetailsWriter.write(userDetail));
             }
             userElement.addContent(detailsElement);
         }
diff --git a/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/json/UserReaderWriterTest.java b/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/json/UserReaderWriterTest.java
new file mode 100644
index 00000000..68901a36
--- /dev/null
+++ b/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/json/UserReaderWriterTest.java
@@ -0,0 +1,155 @@
+/*
+ ************************************************************************
+ *******************  CANADIAN ASTRONOMY DATA CENTRE  *******************
+ **************  CENTRE CANADIEN DE DONNÉES ASTRONOMIQUES  **************
+ *
+ *  (c) 2014.                            (c) 2014.
+ *  Government of Canada                 Gouvernement du Canada
+ *  National Research Council            Conseil national de recherches
+ *  Ottawa, Canada, K1A 0R6              Ottawa, Canada, K1A 0R6
+ *  All rights reserved                  Tous droits réservés
+ *
+ *  NRC disclaims any warranties,        Le CNRC dénie toute garantie
+ *  expressed, implied, or               énoncée, implicite ou légale,
+ *  statutory, of any kind with          de quelque nature que ce
+ *  respect to the software,             soit, concernant le logiciel,
+ *  including without limitation         y compris sans restriction
+ *  any warranty of merchantability      toute garantie de valeur
+ *  or fitness for a particular          marchande ou de pertinence
+ *  purpose. NRC shall not be            pour un usage particulier.
+ *  liable in any event for any          Le CNRC ne pourra en aucun cas
+ *  damages, whether direct or           être tenu responsable de tout
+ *  indirect, special or general,        dommage, direct ou indirect,
+ *  consequential or incidental,         particulier ou général,
+ *  arising from the use of the          accessoire ou fortuit, résultant
+ *  software.  Neither the name          de l'utilisation du logiciel. Ni
+ *  of the National Research             le nom du Conseil National de
+ *  Council of Canada nor the            Recherches du Canada ni les noms
+ *  names of its contributors may        de ses  participants ne peuvent
+ *  be used to endorse or promote        être utilisés pour approuver ou
+ *  products derived from this           promouvoir les produits dérivés
+ *  software without specific prior      de ce logiciel sans autorisation
+ *  written permission.                  préalable et particulière
+ *                                       par écrit.
+ *
+ *  This file is part of the             Ce fichier fait partie du projet
+ *  OpenCADC project.                    OpenCADC.
+ *
+ *  OpenCADC is free software:           OpenCADC est un logiciel libre ;
+ *  you can redistribute it and/or       vous pouvez le redistribuer ou le
+ *  modify it under the terms of         modifier suivant les termes de
+ *  the GNU Affero General Public        la “GNU Affero General Public
+ *  License as published by the          License” telle que publiée
+ *  Free Software Foundation,            par la Free Software Foundation
+ *  either version 3 of the              : soit la version 3 de cette
+ *  License, or (at your option)         licence, soit (à votre gré)
+ *  any later version.                   toute version ultérieure.
+ *
+ *  OpenCADC is distributed in the       OpenCADC est distribué
+ *  hope that it will be useful,         dans l’espoir qu’il vous
+ *  but WITHOUT ANY WARRANTY;            sera utile, mais SANS AUCUNE
+ *  without even the implied             GARANTIE : sans même la garantie
+ *  warranty of MERCHANTABILITY          implicite de COMMERCIALISABILITÉ
+ *  or FITNESS FOR A PARTICULAR          ni d’ADÉQUATION À UN OBJECTIF
+ *  PURPOSE.  See the GNU Affero         PARTICULIER. Consultez la Licence
+ *  General Public License for           Générale Publique GNU Affero
+ *  more details.                        pour plus de détails.
+ *
+ *  You should have received             Vous devriez avoir reçu une
+ *  a copy of the GNU Affero             copie de la Licence Générale
+ *  General Public License along         Publique GNU Affero avec
+ *  with OpenCADC.  If not, see          OpenCADC ; si ce n’est
+ *  <http://www.gnu.org/licenses/>.      pas le cas, consultez :
+ *                                       <http://www.gnu.org/licenses/>.
+ *
+ *  $Revision: 4 $
+ *
+ ************************************************************************
+ */
+package ca.nrc.cadc.ac.json;
+
+import ca.nrc.cadc.ac.PersonalDetails;
+import ca.nrc.cadc.ac.User;
+import ca.nrc.cadc.ac.WriterException;
+import ca.nrc.cadc.auth.HttpPrincipal;
+import ca.nrc.cadc.auth.NumericPrincipal;
+import org.apache.log4j.Logger;
+import org.junit.Test;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.Reader;
+import java.security.Principal;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.fail;
+
+/**
+ *
+ * @author jburke
+ */
+public class UserReaderWriterTest
+{
+    private static Logger log = Logger.getLogger(UserReaderWriterTest.class);
+
+    @Test
+    public void testReaderExceptions()
+        throws Exception
+    {
+        try
+        {
+            String s = null;
+            User<? extends Principal> u = UserReader.read(s);
+            fail("null String should throw IllegalArgumentException");
+        }
+        catch (IllegalArgumentException e) {}
+        
+        try
+        {
+            InputStream in = null;
+            User<? extends Principal> u = UserReader.read(in);
+            fail("null InputStream should throw IOException");
+        }
+        catch (IOException e) {}
+        
+        try
+        {
+            Reader r = null;
+            User<? extends Principal> u = UserReader.read(r);
+            fail("null Reader should throw IllegalArgumentException");
+        }
+        catch (IllegalArgumentException e) {}
+    }
+     
+    @Test
+    public void testWriterExceptions()
+        throws Exception
+    {
+        try
+        {
+            UserWriter.write(null, new StringBuilder());
+            fail("null User should throw WriterException");
+        }
+        catch (WriterException e) {}
+    }
+     
+    @Test
+    public void testReadWrite()
+        throws Exception
+    {
+        User<? extends Principal> expected = new User<Principal>(new HttpPrincipal("foo"));
+        expected.getIdentities().add(new NumericPrincipal(123l));
+        expected.details.add(new PersonalDetails("firstname", "lastname"));
+        
+        StringBuilder json = new StringBuilder();
+        UserWriter.write(expected, json);
+        assertFalse(json.toString().isEmpty());
+        
+        User<? extends Principal> actual = UserReader.read(json.toString());
+        assertNotNull(actual);
+        assertEquals(expected, actual);
+    }
+    
+}
diff --git a/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/GroupPropertyReaderWriterTest.java b/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/GroupPropertyReaderWriterTest.java
index a2cd07ef..5902daa4 100644
--- a/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/GroupPropertyReaderWriterTest.java
+++ b/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/GroupPropertyReaderWriterTest.java
@@ -69,8 +69,13 @@
 package ca.nrc.cadc.ac.xml;
 
 import ca.nrc.cadc.ac.GroupProperty;
+import ca.nrc.cadc.ac.ReaderException;
+import ca.nrc.cadc.ac.WriterException;
+import ca.nrc.cadc.util.Log4jInit;
+import org.apache.log4j.Level;
 import org.apache.log4j.Logger;
 import org.jdom2.Element;
+import org.junit.BeforeClass;
 import org.junit.Test;
 import static org.junit.Assert.*;
 
@@ -82,6 +87,12 @@ public class GroupPropertyReaderWriterTest
 {
     private static Logger log = Logger.getLogger(GroupPropertyReaderWriterTest.class);
 
+    @BeforeClass
+    public static void setUpClass()
+    {
+        Log4jInit.setLevel("ca.nrc.cadc.ac.xml", Level.INFO);
+    }
+
     @Test
     public void testReaderExceptions()
         throws Exception
@@ -92,7 +103,7 @@ public class GroupPropertyReaderWriterTest
             GroupProperty gp = ca.nrc.cadc.ac.xml.GroupPropertyReader.read(element);
             fail("null element should throw ReaderException");
         }
-        catch (ca.nrc.cadc.ac.xml.ReaderException e) {}
+        catch (ReaderException e) {}
          
         element = new Element("foo");
         try
@@ -100,7 +111,7 @@ public class GroupPropertyReaderWriterTest
             GroupProperty gp = ca.nrc.cadc.ac.xml.GroupPropertyReader.read(element);
             fail("element not named 'property' should throw ReaderException");
         }
-        catch (ca.nrc.cadc.ac.xml.ReaderException e) {}
+        catch (ReaderException e) {}
          
         element = new Element("property");
         try
@@ -108,7 +119,7 @@ public class GroupPropertyReaderWriterTest
             GroupProperty gp = ca.nrc.cadc.ac.xml.GroupPropertyReader.read(element);
             fail("element without 'key' attribute should throw ReaderException");
         }
-        catch (ca.nrc.cadc.ac.xml.ReaderException e) {}
+        catch (ReaderException e) {}
          
         element.setAttribute("key", "foo");
         try
@@ -116,7 +127,7 @@ public class GroupPropertyReaderWriterTest
             GroupProperty gp = ca.nrc.cadc.ac.xml.GroupPropertyReader.read(element);
             fail("element without 'type' attribute should throw ReaderException");
         }
-        catch (ca.nrc.cadc.ac.xml.ReaderException e) {}
+        catch (ReaderException e) {}
          
         element.setAttribute("type", "Double");
         try
@@ -124,7 +135,7 @@ public class GroupPropertyReaderWriterTest
             GroupProperty gp = ca.nrc.cadc.ac.xml.GroupPropertyReader.read(element);
             fail("Unsupported 'type' should throw ReaderException");
         }
-        catch (ca.nrc.cadc.ac.xml.ReaderException e) {}
+        catch (ReaderException e) {}
     }
      
     @Test
@@ -136,7 +147,7 @@ public class GroupPropertyReaderWriterTest
             Element element = ca.nrc.cadc.ac.xml.GroupPropertyWriter.write(null);
             fail("null GroupProperty should throw WriterException");
         }
-        catch (ca.nrc.cadc.ac.xml.WriterException e) {}
+        catch (WriterException e) {}
          
         GroupProperty gp = new GroupProperty("key", new Double(1.0), true);
         try
@@ -153,20 +164,20 @@ public class GroupPropertyReaderWriterTest
     {
         // String type
         GroupProperty expected = new GroupProperty("key", "value", true);
-        Element element = ca.nrc.cadc.ac.xml.GroupPropertyWriter.write(expected);
+        Element element = GroupPropertyWriter.write(expected);
         assertNotNull(element);
          
-        GroupProperty actual = ca.nrc.cadc.ac.xml.GroupPropertyReader.read(element);
+        GroupProperty actual = GroupPropertyReader.read(element);
         assertNotNull(actual);
          
         assertEquals(expected, actual);
          
         // Integer tuype
         expected = new GroupProperty("key", new Integer(1), false);
-        element = ca.nrc.cadc.ac.xml.GroupPropertyWriter.write(expected);
+        element = GroupPropertyWriter.write(expected);
         assertNotNull(element);
          
-        actual = ca.nrc.cadc.ac.xml.GroupPropertyReader.read(element);
+        actual = GroupPropertyReader.read(element);
         assertNotNull(actual);
          
         assertEquals(expected, actual);
diff --git a/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/GroupReaderWriterTest.java b/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/GroupReaderWriterTest.java
index fb95af54..ba058861 100644
--- a/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/GroupReaderWriterTest.java
+++ b/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/GroupReaderWriterTest.java
@@ -84,6 +84,7 @@ import javax.security.auth.x500.X500Principal;
 import ca.nrc.cadc.ac.Group;
 import ca.nrc.cadc.ac.GroupProperty;
 import ca.nrc.cadc.ac.User;
+import ca.nrc.cadc.ac.WriterException;
 import org.apache.log4j.Logger;
 import org.junit.Test;
 
@@ -137,7 +138,7 @@ public class GroupReaderWriterTest
             ca.nrc.cadc.ac.xml.GroupWriter.write(null, new StringBuilder());
             fail("null Group should throw WriterException");
         }
-        catch (ca.nrc.cadc.ac.xml.WriterException e) {}
+        catch (WriterException e) {}
     }
      
     @Test
diff --git a/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/GroupsReaderWriterTest.java b/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/GroupsReaderWriterTest.java
index b77be4b9..3eee8859 100644
--- a/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/GroupsReaderWriterTest.java
+++ b/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/GroupsReaderWriterTest.java
@@ -75,6 +75,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import ca.nrc.cadc.ac.Group;
+import ca.nrc.cadc.ac.WriterException;
 import org.apache.log4j.Logger;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -128,7 +129,7 @@ public class GroupsReaderWriterTest
             ca.nrc.cadc.ac.xml.GroupsWriter.write(null, new StringBuilder());
             fail("null Group should throw WriterException");
         }
-        catch (ca.nrc.cadc.ac.xml.WriterException e) {}
+        catch (WriterException e) {}
     }
      
     @Test
diff --git a/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/IdentityReaderWriterTest.java b/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/IdentityReaderWriterTest.java
index 74e25644..07894640 100644
--- a/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/IdentityReaderWriterTest.java
+++ b/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/IdentityReaderWriterTest.java
@@ -68,6 +68,8 @@
  */
 package ca.nrc.cadc.ac.xml;
 
+import ca.nrc.cadc.ac.ReaderException;
+import ca.nrc.cadc.ac.WriterException;
 import ca.nrc.cadc.auth.HttpPrincipal;
 import ca.nrc.cadc.auth.NumericPrincipal;
 import ca.nrc.cadc.auth.OpenIdPrincipal;
@@ -97,7 +99,7 @@ public class IdentityReaderWriterTest
             Principal p = ca.nrc.cadc.ac.xml.IdentityReader.read(element);
             fail("null element should throw ReaderException");
         }
-        catch (ca.nrc.cadc.ac.xml.ReaderException e) {}
+        catch (ReaderException e) {}
          
         element = new Element("foo");
         try
@@ -105,7 +107,7 @@ public class IdentityReaderWriterTest
             Principal p = ca.nrc.cadc.ac.xml.IdentityReader.read(element);
             fail("element not named 'identity' should throw ReaderException");
         }
-        catch (ca.nrc.cadc.ac.xml.ReaderException e) {}
+        catch (ReaderException e) {}
          
         element = new Element("identity");
         try
@@ -113,7 +115,7 @@ public class IdentityReaderWriterTest
             Principal p = ca.nrc.cadc.ac.xml.IdentityReader.read(element);
             fail("element without 'type' attribute should throw ReaderException");
         }
-        catch (ca.nrc.cadc.ac.xml.ReaderException e) {}
+        catch (ReaderException e) {}
          
         element.setAttribute("type", "foo");
         try
@@ -121,7 +123,7 @@ public class IdentityReaderWriterTest
             Principal p = ca.nrc.cadc.ac.xml.IdentityReader.read(element);
             fail("element with unknown 'type' attribute should throw ReaderException");
         }
-        catch (ca.nrc.cadc.ac.xml.ReaderException e) {}
+        catch (ReaderException e) {}
     }
      
     @Test
@@ -133,7 +135,7 @@ public class IdentityReaderWriterTest
             Element element = ca.nrc.cadc.ac.xml.IdentityWriter.write(null);
             fail("null Identity should throw WriterException");
         }
-        catch (ca.nrc.cadc.ac.xml.WriterException e) {}
+        catch (WriterException e) {}
          
         Principal p = new JMXPrincipal("foo");
         try
diff --git a/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/UserDetailsReaderWriterTest.java b/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/UserDetailsReaderWriterTest.java
index 5e7918ce..a7badabb 100644
--- a/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/UserDetailsReaderWriterTest.java
+++ b/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/UserDetailsReaderWriterTest.java
@@ -70,11 +70,16 @@ package ca.nrc.cadc.ac.xml;
 
 import ca.nrc.cadc.ac.PersonalDetails;
 import ca.nrc.cadc.ac.PosixDetails;
+import ca.nrc.cadc.ac.ReaderException;
 import ca.nrc.cadc.ac.UserDetails;
+import ca.nrc.cadc.ac.WriterException;
 import org.apache.log4j.Logger;
 import org.jdom2.Element;
 import org.junit.Test;
-import static org.junit.Assert.*;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.fail;
 
 /**
  *
@@ -91,34 +96,34 @@ public class UserDetailsReaderWriterTest
         Element element = null;
         try
         {
-            UserDetails ud = ca.nrc.cadc.ac.xml.UserDetailsReader.read(element);
+            UserDetails ud = UserDetailsReader.read(element);
             fail("null element should throw ReaderException");
         }
-        catch (ca.nrc.cadc.ac.xml.ReaderException e) {}
+        catch (ReaderException e) {}
          
         element = new Element("foo");
         try
         {
-            UserDetails ud = ca.nrc.cadc.ac.xml.UserDetailsReader.read(element);
+            UserDetails ud = UserDetailsReader.read(element);
             fail("element not named 'userDetails' should throw ReaderException");
         }
-        catch (ca.nrc.cadc.ac.xml.ReaderException e) {}
+        catch (ReaderException e) {}
          
         element = new Element(UserDetails.NAME);
         try
         {
-            UserDetails ud = ca.nrc.cadc.ac.xml.UserDetailsReader.read(element);
+            UserDetails ud = UserDetailsReader.read(element);
             fail("element without 'type' attribute should throw ReaderException");
         }
-        catch (ca.nrc.cadc.ac.xml.ReaderException e) {}
+        catch (ReaderException e) {}
          
         element.setAttribute("type", "foo");
         try
         {
-            UserDetails ud = ca.nrc.cadc.ac.xml.UserDetailsReader.read(element);
+            UserDetails ud = UserDetailsReader.read(element);
             fail("element with unknown 'type' attribute should throw ReaderException");
         }
-        catch (ca.nrc.cadc.ac.xml.ReaderException e) {}
+        catch (ReaderException e) {}
     }
      
     @Test
@@ -127,10 +132,10 @@ public class UserDetailsReaderWriterTest
     {
         try
         {
-            Element element = ca.nrc.cadc.ac.xml.UserDetailsWriter.write(null);
+            Element element = UserDetailsWriter.write(null);
             fail("null UserDetails should throw WriterException");
         }
-        catch (ca.nrc.cadc.ac.xml.WriterException e) {}
+        catch (WriterException e) {}
     }
      
     @Test
@@ -143,10 +148,10 @@ public class UserDetailsReaderWriterTest
         expected.country = "country";
         expected.email = "email";
         expected.institute = "institute";
-        Element element = ca.nrc.cadc.ac.xml.UserDetailsWriter.write(expected);
+        Element element = UserDetailsWriter.write(expected);
         assertNotNull(element);
         
-        PersonalDetails actual = (PersonalDetails) ca.nrc.cadc.ac.xml.UserDetailsReader.read(element);
+        PersonalDetails actual = (PersonalDetails) UserDetailsReader.read(element);
         assertNotNull(actual);
         assertEquals(expected, actual);
         assertEquals(expected.address, actual.address);
@@ -161,10 +166,10 @@ public class UserDetailsReaderWriterTest
         throws Exception
     {
         UserDetails expected = new PosixDetails(123l, 456, "/dev/null");
-        Element element = ca.nrc.cadc.ac.xml.UserDetailsWriter.write(expected);
+        Element element = UserDetailsWriter.write(expected);
         assertNotNull(element);
         
-        UserDetails actual = ca.nrc.cadc.ac.xml.UserDetailsReader.read(element);
+        UserDetails actual = UserDetailsReader.read(element);
         assertNotNull(actual);
         assertEquals(expected, actual);
     }
diff --git a/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/UserReaderWriterTest.java b/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/UserReaderWriterTest.java
index ed61d4bc..ee4ad29a 100644
--- a/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/UserReaderWriterTest.java
+++ b/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/UserReaderWriterTest.java
@@ -70,6 +70,7 @@ package ca.nrc.cadc.ac.xml;
 
 import ca.nrc.cadc.ac.PersonalDetails;
 import ca.nrc.cadc.ac.User;
+import ca.nrc.cadc.ac.WriterException;
 import ca.nrc.cadc.auth.HttpPrincipal;
 import ca.nrc.cadc.auth.NumericPrincipal;
 import java.io.IOException;
@@ -126,7 +127,7 @@ public class UserReaderWriterTest
             ca.nrc.cadc.ac.xml.UserWriter.write(null, new StringBuilder());
             fail("null User should throw WriterException");
         }
-        catch (ca.nrc.cadc.ac.xml.WriterException e) {}
+        catch (WriterException e) {}
     }
      
     @Test
diff --git a/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/UserRequestReaderWriterTest.java b/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/UserRequestReaderWriterTest.java
index c4a1d9a2..191fb9b6 100644
--- a/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/UserRequestReaderWriterTest.java
+++ b/projects/cadcAccessControl/test/src/ca/nrc/cadc/ac/xml/UserRequestReaderWriterTest.java
@@ -71,6 +71,7 @@ package ca.nrc.cadc.ac.xml;
 import ca.nrc.cadc.ac.PersonalDetails;
 import ca.nrc.cadc.ac.User;
 import ca.nrc.cadc.ac.UserRequest;
+import ca.nrc.cadc.ac.WriterException;
 import ca.nrc.cadc.auth.HttpPrincipal;
 import ca.nrc.cadc.auth.NumericPrincipal;
 import org.apache.log4j.Logger;
@@ -129,7 +130,7 @@ public class UserRequestReaderWriterTest
             UserRequestWriter.write(null, new StringBuilder());
             fail("null UserRequest should throw WriterException");
         }
-        catch (ca.nrc.cadc.ac.xml.WriterException e) {}
+        catch (WriterException e) {}
     }
      
     @Test
-- 
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