Example usage for com.google.gson FieldNamingStrategy FieldNamingStrategy

List of usage examples for com.google.gson FieldNamingStrategy FieldNamingStrategy

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Introduction

In this page you can find the example usage for com.google.gson FieldNamingStrategy FieldNamingStrategy.

Prototype

FieldNamingStrategy

Source Link

Usage

From source file:ca.oson.json.Oson.java

License:Open Source License

public Gson getGson() {
    if (gson == null) {
        GsonBuilder gsonBuilder = new GsonBuilder();

        switch (getDefaultType()) {
        case ALWAYS:
            gsonBuilder.serializeNulls();
            break;
        case NON_NULL:
            break;
        case NON_EMPTY:
            break;
        case DEFAULT:
            gsonBuilder.serializeNulls();
            break;
        default:/*from ww  w.jav  a  2 s  . co  m*/
            gsonBuilder.serializeNulls();
            break;
        }

        switch (getFieldNaming()) {
        case FIELD: // original field name: someField_name
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.IDENTITY);
            break;
        case LOWER: // somefield_name -> some_field_name
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES);
            break;
        case UPPER: //SOMEFIELD_NAME -> SomeFieldName
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE);
            break;
        case CAMELCASE: // someFieldName
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.IDENTITY);
            break;
        case UPPER_CAMELCASE: // SomeFieldName
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE);
            break;
        case UNDERSCORE_CAMELCASE: // some_Field_Name
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES);
            break;
        case UNDERSCORE_UPPER_CAMELCASE: // Some_Field_Name
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES);
            break;
        case UNDERSCORE_LOWER: // some_field_name
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES);
            break;
        case UNDERSCORE_UPPER: // SOME_FIELD_NAME
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES);
            break;
        case SPACE_CAMELCASE: // some Field Name
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE_WITH_SPACES);
            break;
        case SPACE_UPPER_CAMELCASE: // Some Field Name
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE_WITH_SPACES);
            break;
        case SPACE_LOWER: // some field name
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE_WITH_SPACES);
            break;
        case SPACE_UPPER: // SOME FIELD NAME
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE_WITH_SPACES);
            break;
        case DASH_CAMELCASE: // some-Field-Name
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_DASHES);
            break;
        case DASH_UPPER_CAMELCASE: // Some-Field-Name
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_DASHES);
            break;
        case DASH_LOWER: // some-field-name
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_DASHES);
            break;
        case DASH_UPPER: // SOME-FIELD-NAME
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_DASHES);
            break;
        default:
            gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.IDENTITY);
            break;
        }

        if (getPrettyPrinting() && getIndentation() > 0) {
            gsonBuilder.setPrettyPrinting();
        }

        gsonBuilder.setDateFormat(options.getSimpleDateFormat());

        Set<FieldMapper> mappers = getFieldMappers();
        Map<Class, ClassMapper> classMappers = getClassMappers();
        List<ExclusionStrategy> strategies = new ArrayList<>();
        if (mappers != null) {
            gsonBuilder.setFieldNamingStrategy(new FieldNamingStrategy() {
                @Override
                public String translateName(Field f) {
                    String fieldName = f.getName();
                    String serializedName = java2Json(f);
                    if (!fieldName.equalsIgnoreCase(serializedName)) {
                        // if null returned, this field is ignored
                        return serializedName;
                    }
                    return json2Java(f);
                }
            });

            for (FieldMapper mapper : mappers) {
                if (mapper.java == null || mapper.json == null || mapper.ignore) {
                    strategies.add(new ExclusionStrategy() {

                        @Override
                        public boolean shouldSkipField(FieldAttributes f) {
                            String name = f.getName();
                            Class cls = f.getClass();

                            if (mapper.java == null) {
                                if (mapper.json.equals(name)) {
                                    if (mapper.getType() == null || cls.equals(mapper.getType())) {
                                        return true;
                                    }
                                }

                            } else if (mapper.json == null || mapper.ignore) {
                                if (mapper.java.equals(name)) {
                                    if (mapper.getType() == null || cls.equals(mapper.getType())) {
                                        return true;
                                    }
                                }

                            }

                            return false;
                        }

                        @Override
                        public boolean shouldSkipClass(Class<?> clazz) {
                            return false;
                        }
                    });
                }
            }
        }

        if (classMappers != null) {
            for (Entry<Class, ClassMapper> entry : classMappers.entrySet()) {
                ClassMapper mapper = entry.getValue();
                if (mapper.getType() == null) {
                    mapper.setType(entry.getKey());
                }
                if (mapper.ignore != null && mapper.ignore) {
                    strategies.add(new ExclusionStrategy() {

                        @Override
                        public boolean shouldSkipField(FieldAttributes f) {
                            return false;
                        }

                        @Override
                        public boolean shouldSkipClass(Class<?> clazz) {
                            if (clazz.equals(mapper.getType())) {
                                return true;
                            }
                            return false;
                        }
                    });
                }
            }

            for (Entry<Class, ClassMapper> entry : classMappers.entrySet()) {
                ClassMapper mapper = entry.getValue();
                if (!mapper.ignore && mapper.constructor != null) {
                    gsonBuilder.registerTypeAdapter(entry.getKey(), mapper.constructor);
                }
            }
        }

        int size = strategies.size();
        if (size > 0) {
            gsonBuilder.setExclusionStrategies(strategies.toArray(new ExclusionStrategy[size]));
        }

        Double version = getVersion();
        if (version != null) {
            gsonBuilder.setVersion(version);
        }

        if (isUseGsonExpose()) {
            gsonBuilder.excludeFieldsWithoutExposeAnnotation();
        }

        if (!DefaultValue.isDefault(getPatterns())) {
            gsonBuilder.setLenient();
        }

        gson = gsonBuilder.create();
    }

    return gson;
}

From source file:com.github.api.v2.services.impl.BaseGitHubService.java

License:Apache License

/**
 * Gets the gson builder.//from   ww  w.jav  a2 s .c om
 * 
 * @return the gson builder
 */
protected GsonBuilder getGsonBuilder() {
    GsonBuilder builder = new GsonBuilder();
    builder.setDateFormat(ApplicationConstants.DATE_FORMAT);
    builder.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES);
    builder.setFieldNamingStrategy(new FieldNamingStrategy() {
        @Override
        public String translateName(Field field) {
            if (field.getType().equals(Repository.Visibility.class)) {
                return "private";
            } else if (field.getType().equals(Gist.Visibility.class)) {
                return "public";
            } else {
                return field.getName();
            }
        }

    });
    builder.registerTypeAdapter(Issue.State.class, new JsonDeserializer<Issue.State>() {
        @Override
        public Issue.State deserialize(JsonElement arg0, Type arg1, JsonDeserializationContext arg2)
                throws JsonParseException {
            return Issue.State.fromValue(arg0.getAsString());
        }
    });
    builder.registerTypeAdapter(Repository.Visibility.class, new JsonDeserializer<Repository.Visibility>() {
        @Override
        public Repository.Visibility deserialize(JsonElement arg0, Type arg1, JsonDeserializationContext arg2)
                throws JsonParseException {
            return (arg0.getAsBoolean()) ? Repository.Visibility.PRIVATE : Repository.Visibility.PUBLIC;
        }
    });
    builder.registerTypeAdapter(Gist.Visibility.class, new JsonDeserializer<Gist.Visibility>() {
        @Override
        public Gist.Visibility deserialize(JsonElement arg0, Type arg1, JsonDeserializationContext arg2)
                throws JsonParseException {
            return (arg0.getAsBoolean()) ? Gist.Visibility.PUBLIC : Gist.Visibility.PRIVATE;
        }
    });
    builder.registerTypeAdapter(Language.class, new JsonDeserializer<Language>() {
        @Override
        public Language deserialize(JsonElement arg0, Type arg1, JsonDeserializationContext arg2)
                throws JsonParseException {
            return Language.fromValue(arg0.getAsString());
        }
    });
    builder.registerTypeAdapter(Tree.Type.class, new JsonDeserializer<Tree.Type>() {
        @Override
        public Tree.Type deserialize(JsonElement arg0, Type arg1, JsonDeserializationContext arg2)
                throws JsonParseException {
            return Tree.Type.fromValue(arg0.getAsString());
        }
    });
    return builder;
}

From source file:com.liferay.music.portlet.util.MusicFiles.java

License:Open Source License

public static Gson getGson() {
    FieldNamingStrategy customPolicy = new FieldNamingStrategy() {

        @Override/*from w w  w  .  j  av a 2  s .com*/
        public String translateName(Field field) {
            String name = field.getName();

            return name.substring(1);
        }
    };

    GsonBuilder gsonBuilder = new GsonBuilder();

    gsonBuilder.setFieldNamingStrategy(customPolicy);

    return gsonBuilder.create();
}

From source file:com.shazam.shazamcrest.matcher.GsonProvider.java

License:Apache License

private static void markSetAndMapFields(final GsonBuilder gsonBuilder) {
    gsonBuilder.setFieldNamingStrategy(new FieldNamingStrategy() {
        @Override//from   www .  jav a  2s .c  o  m
        public String translateName(Field f) {
            if (Set.class.isAssignableFrom(f.getType()) || Map.class.isAssignableFrom(f.getType())) {
                return MARKER + f.getName();
            }
            return f.getName();
        }
    });
}

From source file:edu.mayo.cts2.framework.core.json.JsonConverter.java

License:Open Source License

/**
 * Builds the gson.//  w  w  w .  ja v  a2  s .c  om
 *
 * @return the gson
 */
protected Gson buildGson() {
    GsonBuilder gson = new GsonBuilder();

    gson.setDateFormat(ISO_DATE_FORMAT);

    gson.setExclusionStrategies(new ExclusionStrategy() {

        @Override
        public boolean shouldSkipField(FieldAttributes f) {
            return f.getName().equals(CHOICE_VALUE);
        }

        @Override
        public boolean shouldSkipClass(Class<?> clazz) {
            return false;
        }

    });

    gson.registerTypeAdapter(List.class, new EmptyCollectionSerializer());
    gson.registerTypeAdapter(TsAnyType.class, new TsAnyTypeSerializer());
    gson.registerTypeAdapter(Date.class, new DateTypeAdapter());
    gson.registerTypeAdapterFactory(new ChangeableTypeAdapterFactory());
    gson.registerTypeAdapterFactory(new ChangeableResourceTypeAdapterFactory());

    gson.setFieldNamingStrategy(new FieldNamingStrategy() {

        @Override
        public String translateName(Field field) {
            String fieldName = field.getName();

            char[] array = fieldName.toCharArray();

            if (array[0] == '_') {
                array = ArrayUtils.remove(array, 0);
            }

            String name = new String(array);
            if (name.endsWith(LIST_SUFFIX)) {
                name = StringUtils.removeEnd(name, LIST_SUFFIX);
            }

            return name;
        }

    });

    return gson.create();
}

From source file:org.ebayopensource.scc.track.TrackerClient.java

License:Apache License

protected HttpEntity createEntity(Object pojo) {
    Gson gson = new GsonBuilder().serializeNulls().setFieldNamingStrategy(new FieldNamingStrategy() {

        @Override//from   w ww . j ava2  s  . co  m
        public String translateName(Field field) {
            String name = field.getName();
            if (name.startsWith("m_")) {
                name = name.substring(2);
            }
            return name;
        }
    }).create();
    return new StringEntity(gson.toJson(pojo), ContentType.APPLICATION_JSON);
}

From source file:org.unitime.timetable.api.JsonApiHelper.java

License:Apache License

protected Gson createGson() {
    return new GsonBuilder()
            .registerTypeAdapter(java.sql.Timestamp.class, new JsonSerializer<java.sql.Timestamp>() {
                @Override// ww  w . j a v a2 s  .c  o  m
                public JsonElement serialize(java.sql.Timestamp src, Type typeOfSrc,
                        JsonSerializationContext context) {
                    return new JsonPrimitive(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'").format(src));
                }
            }).registerTypeAdapter(java.sql.Date.class, new JsonSerializer<java.sql.Date>() {
                @Override
                public JsonElement serialize(java.sql.Date src, Type typeOfSrc,
                        JsonSerializationContext context) {
                    return new JsonPrimitive(new SimpleDateFormat("yyyy-MM-dd").format(src));
                }
            }).registerTypeAdapter(Date.class, new JsonSerializer<Date>() {
                @Override
                public JsonElement serialize(Date src, Type typeOfSrc, JsonSerializationContext context) {
                    return new JsonPrimitive(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'").format(src));
                }
            }).setFieldNamingStrategy(new FieldNamingStrategy() {
                Pattern iPattern = Pattern.compile("i([A-Z])(.*)");

                @Override
                public String translateName(Field f) {
                    Matcher matcher = iPattern.matcher(f.getName());
                    if (matcher.matches())
                        return matcher.group(1).toLowerCase() + matcher.group(2);
                    else
                        return f.getName();
                }
            }).setPrettyPrinting().create();
}

From source file:org.unitime.timetable.export.events.EventsExportEventsToJSON.java

License:Apache License

@Override
protected void print(ExportHelper helper, EventLookupRpcRequest request, List<EventInterface> events,
        int eventCookieFlags, EventMeetingSortBy sort, boolean asc) throws IOException {
    helper.setup("application/json", reference(), false);

    Gson gson = new GsonBuilder().registerTypeAdapter(Date.class, new JsonSerializer<Date>() {
        @Override/*from w w  w. j a  v a2 s .c  o m*/
        public JsonElement serialize(Date src, Type typeOfSrc, JsonSerializationContext context) {
            return new JsonPrimitive(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'").format(src));
        }
    }).setFieldNamingStrategy(new FieldNamingStrategy() {
        Pattern iPattern = Pattern.compile("i([A-Z])(.*)");

        @Override
        public String translateName(Field f) {
            Matcher matcher = iPattern.matcher(f.getName());
            if (matcher.matches())
                return matcher.group(1).toLowerCase() + matcher.group(2);
            else
                return f.getName();
        }
    }).setPrettyPrinting().create();

    helper.getWriter().write(gson.toJson(events));
}

From source file:org.unitime.timetable.export.rooms.RoomsExportJSON.java

License:Apache License

@Override
protected void print(ExportHelper helper, List<RoomDetailInterface> rooms, ExportContext context)
        throws IOException {
    helper.getSessionContext().checkPermission(Right.RoomsExportJson);

    helper.setup("application/json", reference(), false);

    Gson gson = new GsonBuilder().registerTypeAdapter(Date.class, new JsonSerializer<Date>() {
        @Override/*  w  w  w. j  a v  a 2 s  .co m*/
        public JsonElement serialize(Date src, Type typeOfSrc, JsonSerializationContext context) {
            return new JsonPrimitive(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'").format(src));
        }
    }).setFieldNamingStrategy(new FieldNamingStrategy() {
        Pattern iPattern = Pattern.compile("i([A-Z])(.*)");

        @Override
        public String translateName(Field f) {
            Matcher matcher = iPattern.matcher(f.getName());
            if (matcher.matches())
                return matcher.group(1).toLowerCase() + matcher.group(2);
            else
                return f.getName();
        }
    }).setPrettyPrinting().create();

    helper.getWriter().write(gson.toJson(rooms));
}

From source file:org.unitime.timetable.gwt.command.server.GwtRpcServlet.java

License:Apache License

@Override
public void init() throws ServletException {
    iSaver = new QueryLogFilter.Saver();
    iSaver.setName("GwtRpcLogSaver");
    iSaver.start();//w  w w  .  j  a  va 2  s .  com
    iGson = new GsonBuilder()
            .registerTypeAdapter(java.sql.Timestamp.class, new JsonSerializer<java.sql.Timestamp>() {
                @Override
                public JsonElement serialize(java.sql.Timestamp src, Type typeOfSrc,
                        JsonSerializationContext context) {
                    return new JsonPrimitive(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'").format(src));
                }
            }).registerTypeAdapter(java.sql.Date.class, new JsonSerializer<java.sql.Date>() {
                @Override
                public JsonElement serialize(java.sql.Date src, Type typeOfSrc,
                        JsonSerializationContext context) {
                    return new JsonPrimitive(new SimpleDateFormat("yyyy-MM-dd").format(src));
                }
            }).registerTypeAdapter(Date.class, new JsonSerializer<Date>() {
                @Override
                public JsonElement serialize(Date src, Type typeOfSrc, JsonSerializationContext context) {
                    return new JsonPrimitive(new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'").format(src));
                }
            }).setFieldNamingStrategy(new FieldNamingStrategy() {
                Pattern iPattern = Pattern.compile("i([A-Z])(.*)");

                @Override
                public String translateName(Field f) {
                    Matcher matcher = iPattern.matcher(f.getName());
                    if (matcher.matches())
                        return matcher.group(1).toLowerCase() + matcher.group(2);
                    else
                        return f.getName();
                }
            }).create();
}