Transition to Jackson so we can retain unrecognized properties in the source JSON.

core/java/algorithm/build.gradle

@@ -11,6 +11,7 @@ dependencies {
     compile group: 'com.lyndir.lhunath.opal', name: 'opal-crypto', version: '1.6-p11'
 
     compile group: 'com.lambdaworks', name: 'scrypt', version: '1.4.0'
+    compile 'com.fasterxml.jackson.core:jackson-annotations:2.9.5'
     compile group: 'org.jetbrains', name: 'annotations', version: '13.0'
     compile group: 'com.google.code.findbugs', name: 'jsr305', version: '3.0.1'
 }

core/java/algorithm/src/main/java/com/lyndir/masterpassword/MPKeyUnavailableException.java

@@ -18,28 +18,8 @@
 
 package com.lyndir.masterpassword;
 
-import com.google.common.base.Charsets;
-import com.google.common.io.CharStreams;
-import com.lyndir.masterpassword.model.*;
-import java.io.*;
-import org.testng.Assert;
-import org.testng.annotations.Test;
-
-
 /**
- * @author lhunath, 2018-04-27
+ * @author lhunath, 2017-09-21
  */
-public class MPModelTest {
+public class MPKeyUnavailableException extends Exception {
-
-    @Test
-    public void testMasterKey()
-            throws Exception {
-        File       file   = new File( "/Users/lhunath/.mpw.d/Maarten Billemont.mpsites.json" );
-        String     orig   = CharStreams.toString( new InputStreamReader( new FileInputStream( file ), Charsets.UTF_8 ) );
-        System.out.println(orig);
-        MPFileUser user   = new MPJSONUnmarshaller().unmarshall( file, null );
-        String     result = new MPJSONMarshaller().marshall( user );
-        System.out.println(result);
-        Assert.assertEquals( result, orig, "Marshalled sites do not match original sites." );
-    }
 }

core/java/algorithm/src/main/java/com/lyndir/masterpassword/MPMasterKey.java

@@ -18,6 +18,8 @@
 
 package com.lyndir.masterpassword;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonValue;
 import com.google.common.base.Preconditions;
 import com.google.common.primitives.UnsignedInteger;
 import com.lyndir.lhunath.opal.system.CodeUtils;
@@ -232,11 +234,13 @@ public class MPMasterKey {
             return algorithm;
         }
 
+        @JsonCreator
         public static Version fromInt(final int algorithmVersion) {
 
             return values()[algorithmVersion];
         }
 
+        @JsonValue
         public int toInt() {
 
             return ordinal();

core/java/algorithm/src/main/java/com/lyndir/masterpassword/MPResultType.java

@@ -18,6 +18,8 @@
 
 package com.lyndir.masterpassword;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonValue;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import com.lyndir.lhunath.opal.system.logging.Logger;
@@ -179,6 +181,7 @@ public enum MPResultType {
         return typeFeatures.contains( feature );
     }
 
+    @JsonValue
     public int getType() {
         int mask = typeIndex | typeClass.getMask();
         for (final MPSiteFeature typeFeature : typeFeatures)
@@ -226,6 +229,7 @@ public enum MPResultType {
      *
      * @return The type registered with the given type.
      */
+    @JsonCreator
     public static MPResultType forType(final int type) {
 
         for (final MPResultType resultType : values())

core/java/model/build.gradle

@@ -7,13 +7,14 @@ description = 'Master Password Site Model'
 
 dependencies {
     compile project( ':masterpassword-algorithm' )
-
+    compile 'joda-time:joda-time:2.4'
-    compile group: 'joda-time', name: 'joda-time', version: '2.4'
+    compile 'com.fasterxml.jackson.core:jackson-core:2.9.5'
-    compile group: 'com.google.code.gson', name: 'gson', version: '2.8.2'
+    compile 'com.fasterxml.jackson.core:jackson-annotations:2.9.5'
-    compileOnly group: 'com.google.auto.value', name: 'auto-value', version: '1.2'
+    compile 'com.fasterxml.jackson.core:jackson-databind:2.9.5'
+    //compile group: 'com.google.code.gson', name: 'gson', version: '2.8.2'
+    compileOnly 'com.google.auto.value:auto-value:1.2'
     apt group: 'com.google.auto.value', name: 'auto-value', version: '1.2'
-
+    testCompile 'org.testng:testng:6.8.5'
-    testCompile group: 'org.testng', name: 'testng', version: '6.8.5'
+    testCompile 'ch.qos.logback:logback-classic:1.1.2'
-    testCompile group: 'ch.qos.logback', name: 'logback-classic', version: '1.1.2'
 }
 test.useTestNG()

core/java/model/src/main/java/com/lyndir/masterpassword/model/EnumOrdinalAdapter.java

@@ -1,53 +0,0 @@
-//==============================================================================
-// This file is part of Master Password.
-// Copyright (c) 2011-2017, Maarten Billemont.
-//
-// Master Password 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.
-//
-// Master Password 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 can find a copy of the GNU General Public License in the
-// LICENSE file.  Alternatively, see <http://www.gnu.org/licenses/>.
-//==============================================================================
-
-package com.lyndir.masterpassword.model;
-
-import com.google.gson.*;
-import java.lang.reflect.Type;
-
-
-/**
- * @author lhunath, 2018-04-27
- */
-public class EnumOrdinalAdapter implements JsonSerializer<Enum<?>>, JsonDeserializer<Enum<?>> {
-
-    @Override
-    @SuppressWarnings("unchecked")
-    public Enum<?> deserialize(final JsonElement json, final Type typeOfT, final JsonDeserializationContext context)
-            throws JsonParseException {
-        Enum<?>[] enumConstants = ((Class<Enum<?>>) typeOfT).getEnumConstants();
-        if (enumConstants == null)
-            throw new JsonParseException( "Not an enum: " + typeOfT );
-
-        try {
-            int ordinal = json.getAsInt();
-            if ((ordinal < 0) || (ordinal >= enumConstants.length))
-                throw new JsonParseException( "No ordinal " + ordinal + " in enum: " + typeOfT );
-
-            return enumConstants[ordinal];
-        } catch (final ClassCastException | IllegalStateException e) {
-            throw new JsonParseException( "Not an ordinal value: " + json, e );
-        }
-    }
-
-    @Override
-    public JsonElement serialize(final Enum<?> src, final Type typeOfSrc, final JsonSerializationContext context) {
-        return new JsonPrimitive( src.ordinal() );
-    }
-}

core/java/model/src/main/java/com/lyndir/masterpassword/model/MPFileUser.java

@@ -51,6 +51,9 @@ public class MPFileUser extends MPUser<MPFileSite> implements Comparable<MPFileU
     private MPResultType    defaultType;
     private ReadableInstant lastUsed;
 
+    @Nullable
+    private MPJSONFile json;
+
     public MPFileUser(final String fullName) {
         this( fullName, null, MPMasterKey.Version.CURRENT.getAlgorithm() );
     }
@@ -157,6 +160,15 @@ public class MPFileUser extends MPUser<MPFileSite> implements Comparable<MPFileU
         return results.build();
     }
 
+    public void setJSON(final MPJSONFile json) {
+        this.json = json;
+    }
+
+    @Nonnull
+    public MPJSONFile getJSON() {
+        return (json == null)? json = new MPJSONFile(): json;
+    }
+
     /**
      * Performs an authentication attempt against the keyID for this user.
      *

core/java/model/src/main/java/com/lyndir/masterpassword/model/MPJSONAnyObject.java

@@ -18,29 +18,21 @@
 
 package com.lyndir.masterpassword.model;
 
-import com.google.gson.*;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
-import com.lyndir.masterpassword.MPResultType;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
-import java.lang.reflect.Type;
+import java.util.*;
 
 
 /**
- * @author lhunath, 2018-04-27
+ * @author lhunath, 2018-05-14
  */
-public class MPResultTypeAdapter implements JsonSerializer<MPResultType>, JsonDeserializer<MPResultType> {
+class MPJSONAnyObject {
 
-    @Override
+    @JsonAnySetter
-    public MPResultType deserialize(final JsonElement json, final Type typeOfT, final JsonDeserializationContext context)
+    final Map<String, Object> any = new LinkedHashMap<>();
-            throws JsonParseException {
-        try {
-            return MPResultType.forType( json.getAsInt() );
-        }
-        catch (final ClassCastException | IllegalStateException e) {
-            throw new JsonParseException( "Not an ordinal value: " + json, e );
-        }
-    }
 
-    @Override
+    @JsonAnyGetter
-    public JsonElement serialize(final MPResultType src, final Type typeOfSrc, final JsonSerializationContext context) {
+    public Map<String, Object> getAny() {
-        return new JsonPrimitive( src.getType() );
+        return Collections.unmodifiableMap( any );
     }
 }

core/java/model/src/main/java/com/lyndir/masterpassword/model/MPJSONFile.java

@@ -18,11 +18,19 @@
 
 package com.lyndir.masterpassword.model;
 
+import static com.lyndir.lhunath.opal.system.util.ObjectUtils.*;
+
+import com.fasterxml.jackson.annotation.*;
+import com.fasterxml.jackson.core.*;
+import com.fasterxml.jackson.databind.*;
+import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import com.fasterxml.jackson.databind.ser.std.StdSerializer;
 import com.google.common.primitives.UnsignedInteger;
 import com.lyndir.lhunath.opal.system.CodeUtils;
 import com.lyndir.masterpassword.*;
-import java.util.LinkedHashMap;
+import java.io.IOException;
-import java.util.Map;
+import java.util.*;
 import javax.annotation.Nullable;
 import org.joda.time.Instant;
 
@@ -30,61 +38,72 @@ import org.joda.time.Instant;
 /**
  * @author lhunath, 2018-04-27
  */
-public class MPJSONFile {
+public class MPJSONFile extends MPJSONAnyObject {
 
-    public MPJSONFile(final MPFileUser user)
+    protected static final ObjectMapper objectMapper = new ObjectMapper();
-            throws MPKeyUnavailableException {
-        // Section: "export"
-        Export fileExport = this.export = new Export();
-        fileExport.format = 1;
-        fileExport.redacted = user.getContentMode().isRedacted();
-        fileExport.date = MPConstant.dateTimeFormatter.print( new Instant() );
 
-        // Section: "user"
+    static {
-        User fileUser = this.user = new User();
+        objectMapper.setSerializationInclusion( JsonInclude.Include.NON_EMPTY );
-        fileUser.avatar = user.getAvatar();
+        objectMapper.setVisibility( PropertyAccessor.FIELD, JsonAutoDetect.Visibility.NON_PRIVATE );
-        fileUser.full_name = user.getFullName();
-
-        fileUser.last_used = MPConstant.dateTimeFormatter.print( user.getLastUsed() );
-        fileUser.key_id = CodeUtils.encodeHex( user.getKeyID() );
-
-        fileUser.algorithm = user.getAlgorithm().version();
-        fileUser.default_type = user.getDefaultType();
-
-        // Section "sites"
-        sites = new LinkedHashMap<>();
-        for (final MPFileSite site : user.getSites()) {
-            Site   fileSite;
-            String content = null, loginContent = null;
-            if (!fileExport.redacted) {
-                // Clear Text
-                content = site.getResult();
-                loginContent = user.getMasterKey().siteResult(
-                        site.getSiteName(), site.getAlgorithm().mpw_default_counter(),
-                        MPKeyPurpose.Identification, null, site.getLoginType(), site.getLoginState(), site.getAlgorithm() );
-            } else {
-                // Redacted
-                if (site.getResultType().supportsTypeFeature( MPSiteFeature.ExportContent ))
-                    content = site.getSiteState();
-                if (site.getLoginType().supportsTypeFeature( MPSiteFeature.ExportContent ))
-                    loginContent = site.getLoginState();
     }
 
-            sites.put( site.getSiteName(), fileSite = new Site() );
+    public MPJSONFile write(final MPFileUser modelUser)
-            fileSite.type = site.getResultType();
+            throws MPKeyUnavailableException {
-            fileSite.counter = site.getSiteCounter().longValue();
+        // Section: "export"
-            fileSite.algorithm = site.getAlgorithm().version();
+        if (export == null)
-            fileSite.password = content;
+            export = new Export();
-            fileSite.login_name = loginContent;
+        export.format = 1;
-            fileSite.login_type = site.getLoginType();
+        export.redacted = modelUser.getContentMode().isRedacted();
+        export.date = MPConstant.dateTimeFormatter.print( new Instant() );
 
-            fileSite.uses = site.getUses();
+        // Section: "user"
-            fileSite.last_used = MPConstant.dateTimeFormatter.print( site.getLastUsed() );
+        if (user == null)
+            user = new User();
+        user.avatar = modelUser.getAvatar();
+        user.full_name = modelUser.getFullName();
+        user.last_used = MPConstant.dateTimeFormatter.print( modelUser.getLastUsed() );
+        user.key_id = CodeUtils.encodeHex( modelUser.getKeyID() );
+        user.algorithm = modelUser.getAlgorithm().version();
+        user.default_type = modelUser.getDefaultType();
 
-            fileSite._ext_mpw = new Site.Ext();
+        // Section "sites"
-            fileSite._ext_mpw.url = site.getUrl();
+        if (sites == null)
+            sites = new LinkedHashMap<>();
+        for (final MPFileSite modelSite : modelUser.getSites()) {
+            String content = null, loginContent = null;
+            if (!export.redacted) {
+                // Clear Text
+                content = modelSite.getResult();
+                loginContent = modelUser.getMasterKey().siteResult(
+                        modelSite.getSiteName(), modelSite.getAlgorithm().mpw_default_counter(),
+                        MPKeyPurpose.Identification, null, modelSite.getLoginType(), modelSite.getLoginState(), modelSite.getAlgorithm() );
+            } else {
+                // Redacted
+                if (modelSite.getResultType().supportsTypeFeature( MPSiteFeature.ExportContent ))
+                    content = modelSite.getSiteState();
+                if (modelSite.getLoginType().supportsTypeFeature( MPSiteFeature.ExportContent ))
+                    loginContent = modelSite.getLoginState();
+            }
 
-            fileSite.questions = new LinkedHashMap<>();
+            Site site = sites.get( modelSite.getSiteName() );
+            if (site == null)
+                sites.put( modelSite.getSiteName(), site = new Site() );
+            site.type = modelSite.getResultType();
+            site.counter = modelSite.getSiteCounter().longValue();
+            site.algorithm = modelSite.getAlgorithm().version();
+            site.password = content;
+            site.login_name = loginContent;
+            site.login_type = modelSite.getLoginType();
+
+            site.uses = modelSite.getUses();
+            site.last_used = MPConstant.dateTimeFormatter.print( modelSite.getLastUsed() );
+
+            if (site._ext_mpw == null)
+                site._ext_mpw = new Site.Ext();
+            site._ext_mpw.url = modelSite.getUrl();
+
+            if (site.questions == null)
+                site.questions = new LinkedHashMap<>();
             //                for (size_t q = 0; q < site.questions_count; ++q) {
             //                    MPMarshalledQuestion *question = &site.questions[q];
             //                    if (!question.keyword)
@@ -112,37 +131,44 @@ public class MPJSONFile {
             //                if (site.url)
             //                    json_object_object_add( json_site_mpw, "url", site.url );
         }
+
+        return this;
     }
 
-    public MPFileUser toUser(@Nullable final char[] masterPassword)
+    public MPFileUser read(@Nullable final char[] masterPassword)
             throws MPIncorrectMasterPasswordException, MPKeyUnavailableException {
-        MPFileUser user = new MPFileUser(
+        MPAlgorithm algorithm = ifNotNullElse( user.algorithm, MPMasterKey.Version.CURRENT ).getAlgorithm();
-                this.user.full_name, CodeUtils.decodeHex( this.user.key_id ), this.user.algorithm.getAlgorithm(),
+        MPFileUser model = new MPFileUser(
-                this.user.avatar, this.user.default_type, MPConstant.dateTimeFormatter.parseDateTime( this.user.last_used ),
+                user.full_name, CodeUtils.decodeHex( user.key_id ), algorithm, user.avatar,
+                (user.default_type != null)? user.default_type: algorithm.mpw_default_password_type(),
+                (user.last_used != null)? MPConstant.dateTimeFormatter.parseDateTime( user.last_used ): new Instant(),
                 MPMarshalFormat.JSON, export.redacted? MPMarshaller.ContentMode.PROTECTED: MPMarshaller.ContentMode.VISIBLE );
+        model.setJSON( this );
         if (masterPassword != null)
-            user.authenticate( masterPassword );
+            model.authenticate( masterPassword );
 
         for (final Map.Entry<String, Site> siteEntry : sites.entrySet()) {
             String siteName = siteEntry.getKey();
             Site   fileSite = siteEntry.getValue();
             MPFileSite site = new MPFileSite(
-                    user, siteName, export.redacted? fileSite.password: null, UnsignedInteger.valueOf( fileSite.counter ),
+                    model, siteName, export.redacted? fileSite.password: null, UnsignedInteger.valueOf( fileSite.counter ),
                     fileSite.type, fileSite.algorithm.getAlgorithm(),
                     export.redacted? fileSite.login_name: null, fileSite.login_type,
-                    fileSite._ext_mpw.url, fileSite.uses, MPConstant.dateTimeFormatter.parseDateTime( fileSite.last_used ) );
+                    (fileSite._ext_mpw != null)? fileSite._ext_mpw.url: null, fileSite.uses,
+                    (fileSite.last_used != null)? MPConstant.dateTimeFormatter.parseDateTime( fileSite.last_used ): new Instant() );
 
             if (!export.redacted) {
                 if (fileSite.password != null)
-                    site.setSitePassword( fileSite.type, fileSite.password );
+                    site.setSitePassword( (fileSite.type != null)? fileSite.type: MPResultType.StoredPersonal, fileSite.password );
                 if (fileSite.login_name != null)
-                    site.setLoginName( fileSite.login_type, fileSite.login_name );
+                    site.setLoginName( (fileSite.login_type != null)? fileSite.login_type: MPResultType.StoredPersonal,
+                                       fileSite.login_name );
             }
 
-            user.addSite( site );
+            model.addSite( site );
         }
 
-        return user;
+        return model;
     }
 
     // -- Data
@@ -152,27 +178,32 @@ public class MPJSONFile {
     Map<String, Site> sites;
 
 
-    public static class Export {
+    public static class Export extends MPJSONAnyObject {
 
         int     format;
         boolean redacted;
+        @Nullable
         String date;
     }
 
 
-    public static class User {
+    public static class User extends MPJSONAnyObject {
 
         int    avatar;
         String full_name;
         String last_used;
+        @Nullable
         String              key_id;
+        @Nullable
         MPMasterKey.Version algorithm;
+        @Nullable
         MPResultType        default_type;
     }
 
 
-    public static class Site {
+    public static class Site extends MPJSONAnyObject {
 
+        @Nullable
         MPResultType type;
         long                counter;
         MPMasterKey.Version algorithm;
@@ -180,26 +211,32 @@ public class MPJSONFile {
         String       password;
         @Nullable
         String       login_name;
+        @Nullable
         MPResultType login_type;
         int uses;
+        @Nullable
         String last_used;
 
+        @Nullable
         Map<String, Question> questions;
 
+        @Nullable
         Ext _ext_mpw;
 
-
+        public static class Ext extends MPJSONAnyObject {
-        public static class Ext {
 
             @Nullable
             String url;
         }
 
 
-        public static class Question {
+        public static class Question extends MPJSONAnyObject {
 
+            @Nullable
             MPResultType type;
+            @Nullable
             String       answer;
         }
     }
 }
+

core/java/model/src/main/java/com/lyndir/masterpassword/model/MPJSONMarshaller.java

@@ -18,8 +18,10 @@
 
 package com.lyndir.masterpassword.model;
 
-import com.google.gson.*;
+import static com.lyndir.masterpassword.model.MPJSONFile.objectMapper;
-import com.lyndir.masterpassword.*;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.lyndir.masterpassword.MPKeyUnavailableException;
 import javax.annotation.Nonnull;
 
 
@@ -28,17 +30,16 @@ import javax.annotation.Nonnull;
  */
 public class MPJSONMarshaller implements MPMarshaller {
 
-    private final Gson gson = new GsonBuilder()
-            .registerTypeAdapter( MPMasterKey.Version.class, new EnumOrdinalAdapter() )
-            .registerTypeAdapter( MPResultType.class, new MPResultTypeAdapter() )
-            .setFieldNamingStrategy( FieldNamingPolicy.IDENTITY )
-            .setPrettyPrinting().create();
-
     @Nonnull
     @Override
     public String marshall(final MPFileUser user)
             throws MPKeyUnavailableException, MPMarshalException {
 
-        return gson.toJson( new MPJSONFile( user ) );
+        try {
+            return objectMapper.writeValueAsString( user.getJSON().write( user ) );
+        }
+        catch (final JsonProcessingException e) {
+            throw new MPMarshalException( "Couldn't compose JSON for: " + user, e );
+        }
     }
 }

core/java/model/src/main/java/com/lyndir/masterpassword/model/MPJSONUnmarshaller.java

@@ -18,10 +18,13 @@
 
 package com.lyndir.masterpassword.model;
 
-import com.google.gson.*;
+import static com.lyndir.masterpassword.model.MPJSONFile.objectMapper;
-import com.lyndir.masterpassword.*;
+
-import java.io.*;
+import com.fasterxml.jackson.core.JsonParseException;
-import java.nio.charset.StandardCharsets;
+import com.fasterxml.jackson.databind.JsonMappingException;
+import com.lyndir.masterpassword.MPKeyUnavailableException;
+import java.io.File;
+import java.io.IOException;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
@@ -31,24 +34,19 @@ import javax.annotation.Nullable;
  */
 public class MPJSONUnmarshaller implements MPUnmarshaller {
 
-    private final Gson gson = new GsonBuilder()
-            .registerTypeAdapter( MPMasterKey.Version.class, new EnumOrdinalAdapter() )
-            .registerTypeAdapter( MPResultType.class, new MPResultTypeAdapter() )
-            .setFieldNamingStrategy( FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES )
-            .setPrettyPrinting().create();
-
     @Nonnull
     @Override
     public MPFileUser unmarshall(@Nonnull final File file, @Nullable final char[] masterPassword)
             throws IOException, MPMarshalException, MPIncorrectMasterPasswordException, MPKeyUnavailableException {
 
-        try (Reader reader = new InputStreamReader( new FileInputStream( file ), StandardCharsets.UTF_8 )) {
         try {
-                return gson.fromJson( reader, MPJSONFile.class ).toUser( masterPassword );
+            return objectMapper.readValue( file, MPJSONFile.class ).read( masterPassword );
         }
-            catch (final JsonSyntaxException e) {
+        catch (final JsonParseException e) {
             throw new MPMarshalException( "Couldn't parse JSON in: " + file, e );
         }
+        catch (final JsonMappingException e) {
+            throw new MPMarshalException( "Couldn't map JSON in: " + file, e );
         }
     }
 
@@ -58,10 +56,16 @@ public class MPJSONUnmarshaller implements MPUnmarshaller {
             throws MPMarshalException, MPIncorrectMasterPasswordException, MPKeyUnavailableException {
 
         try {
-            return gson.fromJson( content, MPJSONFile.class ).toUser( masterPassword );
+            return objectMapper.readValue( content, MPJSONFile.class ).read( masterPassword );
         }
-        catch (final JsonSyntaxException e) {
+        catch (final JsonParseException e) {
-            throw new MPMarshalException( "Couldn't parse JSON", e );
+            throw new MPMarshalException( "Couldn't parse JSON.", e );
+        }
+        catch (final JsonMappingException e) {
+            throw new MPMarshalException( "Couldn't map JSON.", e );
+        }
+        catch (final IOException e) {
+            throw new MPMarshalException( "Couldn't read JSON.", e );
         }
     }
 }

core/java/tests/src/main/resources/test.mpsites.json

@@ -0,0 +1,67 @@
+{
+   "export": {
+     "format": 1,
+     "redacted": true,
+     "date": "2018-05-10T03:41:18Z",
+     "_ext_mpw": {
+       "save": "me"
+     },
+     "_ext_other": {
+       "save": "me"
+     }
+   },
+   "user": {
+     "avatar": 3,
+     "full_name": "Robert Lee Mitchell",
+     "last_used": "2018-05-10T03:41:18Z",
+     "key_id": "98EEF4D1DF46D849574A82A03C3177056B15DFFCA29BB3899DE4628453675302",
+     "algorithm": 3,
+     "default_type": 17,
+     "_ext_mpw": {
+       "save": "me"
+     },
+     "_ext_other": {
+       "save": "me"
+     }
+   },
+   "sites": {
+     "masterpasswordapp.com": {
+       "type": 17,
+       "counter": 1,
+       "algorithm": 3,
+       "login_type": 30,
+       "uses": 2,
+       "last_used": "2018-05-10T03:41:18Z",
+       "questions": {
+         "": {
+           "type": 31
+         },
+         "mother": {
+           "type": 31
+         }
+       },
+       "_ext_mpw": {
+         "url": "https://masterpasswordapp.com",
+         "save": "me"
+       },
+       "_ext_other": {
+         "save": "me"
+       }
+     },
+     "personal.site": {
+       "type": 1056,
+       "counter": 1,
+       "algorithm": 3,
+       "password": "ZTgr4cY6L28wG7DsO+iz\/hrTQxM3UHz0x8ZU99LjgxjHG+bLIJygkbg\/7HdjEIFH6A3z+Dt2H1gpt9yPyQGZcewTiPXJX0pNpVsIKAAdzVNcUfYoqkWjoFRoZD7sM\/ctxWDH4JUuJ+rjoBkWtRLK9kYBvu7UD1QdlEZI\/wPKv1A=",
+       "login_type": 30,
+       "uses": 1,
+       "last_used": "2018-05-10T03:48:35Z"
+     }
+   },
+   "_ext_mpw": {
+     "save": "me"
+   },
+   "_ext_other": {
+     "save": "me"
+   }
+ }