Example usage for com.google.gson JsonNull INSTANCE

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

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JsonNull INSTANCE

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singleton for JsonNull

Usage

From source file:org.jetbrains.idea.maven.indices.BintrayIndexer.java

License:Open Source License

protected void fetchMavenIds(HttpRequests.Request request, MavenIndicesProcessor processor) throws IOException {
    try (InputStream in = request.getInputStream()) {
        JsonElement element = new JsonParser().parse(new InputStreamReader(in));
        JsonArray array = element.getAsJsonArray();
        if (array == null) {
            throw new IOException("Unexpected response format, JSON array expected from " + request.getURL());
        }/*from w w w.  j av a2  s.  c o m*/

        List<IndexedMavenId> mavenIds = new ArrayList<>();
        for (JsonElement el : array) {
            JsonObject jo = el.getAsJsonObject();
            JsonArray systemIds = jo.getAsJsonArray("system_ids");
            JsonArray versions = jo.getAsJsonArray("versions");
            JsonElement desc = jo.get("desc");
            String description = desc == null || desc == JsonNull.INSTANCE ? null : desc.getAsString();

            if (systemIds != null && versions != null) {
                for (JsonElement systemId : systemIds) {
                    String groupAndArtifactId = systemId.getAsString();
                    List<String> list = split(groupAndArtifactId, ":");
                    if (list.size() != 2) {
                        continue;
                    }

                    String groupId = list.get(0);
                    String artifactId = list.get(1);
                    for (JsonElement version : versions) {
                        mavenIds.add(new IndexedMavenId(groupId, artifactId, version.getAsString(), null,
                                description));
                    }
                }
            }
        }
        synchronized (this) {
            processor.processArtifacts(mavenIds);
        }
    }
}

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From source file:org.jfvclient.EmptyFVRpcRequest.java

License:Apache License

/**
 * Create a new EmptyFVRpcRequest with the given type and id.
 *
 * @see NoParamType//from   ww  w . j a va2  s.  c  o m
 * @param t
 *            the method
 * @param id
 *            a request ID. Must not be null.
 */
public EmptyFVRpcRequest(NoParamType t, String id) {
    super();
    switch (t) {
    case list_slices:
        setMethod("list-slices");
        break;
    case list_version:
        setMethod("list-version");
        break;
    case list_datapaths:
        setMethod("list-datapaths");
        break;
    case list_links:
        setMethod("list-links");
        break;
    case list_fv_health:
        setMethod("list-fv-health");
        break;
    case save_config:
        setMethod("save-config");
        break;
    default:
        throw new AssertionError(t.name());
    }
    setId(id);
    setParams(JsonNull.INSTANCE);
}

---

From source file:org.jsfr.json.provider.GsonProvider.java

License:Open Source License

@Override
public JsonElement primitiveNull() {
    return JsonNull.INSTANCE;
}

---

From source file:org.jsonbuilder.implementations.gson.GsonNullNode.java

License:Apache License

public GsonNullNode() {
    this.jsonNull = JsonNull.INSTANCE;
}

---

From source file:org.lanternpowered.server.script.function.action.json.EmptyActionJsonSerializer.java

License:MIT License

@Override
public JsonElement serialize(EmptyAction src, Type typeOfSrc, JsonSerializationContext context) {
    return JsonNull.INSTANCE;
}

---

From source file:org.lanternpowered.server.world.weather.WeatherBuilderJsonSerializer.java

License:MIT License

@Override
public WeatherBuilder deserialize(JsonElement element, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    final JsonObject json = element.getAsJsonObject();
    final Set<String> aliases;
    if (json.has("aliases")) {
        aliases = ImmutableSet.copyOf((String[]) context.deserialize(json.get("aliases"), String[].class));
    } else {//ww w.  j  a  v  a 2 s.com
        aliases = ImmutableSet.of();
    }
    final OptionValueMap options;
    if (json.has("options")) {
        options = context.deserialize(json.get("options"), UnmodifiableOptionValueMap.class);
    } else {
        options = new UnmodifiableOptionValueMap(new SimpleOptionValueMap());
    }
    final Action action = context.deserialize(json.has("action") ? json.get("action") : JsonNull.INSTANCE,
            Action.class);
    final WeatherBuilder builder = LanternWeather.builder().action(action).aliases(aliases).options(options);
    if (json.has("name")) {
        builder.name(json.get("name").getAsString());
    }
    if (json.has("weight")) {
        builder.weight(json.get("weight").getAsDouble());
    }
    if (json.has("duration")) {
        builder.duration(context.deserialize(json.get("duration"), IntValueProvider.class));
    }
    return builder;
}

---

From source file:org.matrix.androidsdk.adapters.MessagesAdapter.java

License:Apache License

/**
 * Common view management.//from  w  w w  .j av  a  2  s  .  c  o m
 *
 * @param position    the item position.
 * @param convertView the row view
 * @param subView     the message content view
 * @param msgType     the message type
 * @return true if the view is merged.
 */
protected boolean manageSubView(final int position, View convertView, View subView, int msgType) {
    MessageRow row = getItem(position);
    Event event = row.getEvent();
    RoomState roomState = row.getRoomState();

    convertView.setClickable(false);

    boolean isAvatarOnRightSide = isAvatarDisplayedOnRightSide(event);

    // isMergedView -> the message is going to be merged with the previous one
    // willBeMerged ->tell if a message separator must be displayed
    boolean isMergedView = false;
    boolean willBeMerged = false;

    if (!mIsSearchMode) {

        if ((position > 0) && isMergeableEvent(event)) {
            MessageRow prevRow = getItem(position - 1);
            isMergedView = TextUtils.equals(prevRow.getEvent().getSender(), event.getSender());
        }

        // not the last message
        if ((position + 1) < this.getCount()) {
            MessageRow nextRow = getItem(position + 1);

            if (isMergeableEvent(event) || isMergeableEvent(nextRow.getEvent())) {
                // the message will be merged if the message senders are not the same
                // or the message is an avatar / displayname update.
                willBeMerged = TextUtils.equals(nextRow.getEvent().getSender(), event.getSender())
                        && isMergeableEvent(nextRow.getEvent());
            }
        }
    }

    // inherited class custom behaviour
    isMergedView = mergeView(event, position, isMergedView);

    View leftTsTextLayout = convertView.findViewById(R.id.message_timestamp_layout_left);
    View rightTsTextLayout = convertView.findViewById(R.id.message_timestamp_layout_right);

    // manage sender text
    TextView textView = (TextView) convertView.findViewById(R.id.messagesAdapter_sender);
    if (null != textView) {
        if (null == rightTsTextLayout) {
            textView.setVisibility(View.VISIBLE);

            if (isMergedView) {
                textView.setText("");
            } else {
                textView.setText(getUserDisplayName(event.getSender(), row.getRoomState()));
            }
        } else if (isMergedView || isAvatarOnRightSide) {
            textView.setVisibility(View.GONE);
        } else {
            String eventType = event.getType();

            // theses events are managed like notice ones
            // but they are dedicated behaviour i.e the sender must not be displayed
            if (event.isCallEvent() || Event.EVENT_TYPE_STATE_ROOM_TOPIC.equals(eventType)
                    || Event.EVENT_TYPE_STATE_ROOM_MEMBER.equals(eventType)
                    || Event.EVENT_TYPE_STATE_ROOM_NAME.equals(eventType)
                    || Event.EVENT_TYPE_STATE_ROOM_THIRD_PARTY_INVITE.equals(eventType)) {
                textView.setVisibility(View.GONE);
            } else {
                textView.setVisibility(View.VISIBLE);
                textView.setText(getUserDisplayName(event.getSender(), row.getRoomState()));
            }
        }

        final String fSenderId = event.getSender();
        final String fDisplayName = (null == textView.getText()) ? "" : textView.getText().toString();

        textView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (null != mMessagesAdapterEventsListener) {
                    mMessagesAdapterEventsListener.onSenderNameClick(fSenderId, fDisplayName);
                }
            }
        });
    }

    TextView tsTextView;
    TextView leftTsTextView = null;
    TextView rightTsTextView = null;

    if (null != leftTsTextLayout) {
        leftTsTextView = (TextView) leftTsTextLayout.findViewById(R.id.messagesAdapter_timestamp);
    }

    if (null != rightTsTextLayout) {
        rightTsTextView = (TextView) rightTsTextLayout.findViewById(R.id.messagesAdapter_timestamp);
    }

    if (isAvatarOnRightSide) {
        tsTextView = leftTsTextView;
        if (null != rightTsTextView) {
            rightTsTextView.setVisibility(View.GONE);
        }
    } else {
        tsTextView = rightTsTextView;
        if (null != leftTsTextView) {
            leftTsTextView.setVisibility(View.GONE);
        }
    }

    if (null != tsTextView) {
        String timeStamp = getFormattedTimestamp(event);

        if (TextUtils.isEmpty(timeStamp)) {
            tsTextView.setVisibility(View.GONE);
        } else {
            tsTextView.setVisibility(View.VISIBLE);
            tsTextView.setText(timeStamp);

            tsTextView.setGravity(isAvatarOnRightSide ? Gravity.LEFT : Gravity.RIGHT);
        }

        if (row.getEvent().isUndeliverable() || row.getEvent().isUnkownDevice()) {
            tsTextView.setTextColor(mNotSentMessageTextColor);
        } else {
            tsTextView.setTextColor(mContext.getResources().getColor(R.color.chat_gray_text));
        }
    }

    // read receipts
    LinearLayout leftReceiversLayout = null;
    LinearLayout rightReceiversLayout = null;

    if (null != leftTsTextLayout) {
        leftReceiversLayout = (LinearLayout) leftTsTextLayout.findViewById(R.id.messagesAdapter_receivers_list);

        if (null != leftReceiversLayout) {
            leftReceiversLayout.setVisibility(isAvatarOnRightSide ? View.VISIBLE : View.GONE);
        }
    }

    if (null != rightTsTextLayout) {
        rightReceiversLayout = (LinearLayout) rightTsTextLayout
                .findViewById(R.id.messagesAdapter_receivers_list);

        if (null != rightReceiversLayout) {
            rightReceiversLayout.setVisibility(isAvatarOnRightSide ? View.GONE : View.VISIBLE);
        }
    }

    refreshReceiverLayout(isAvatarOnRightSide ? leftReceiversLayout : rightReceiversLayout, isAvatarOnRightSide,
            event.eventId, roomState);

    // Sender avatar
    RoomMember sender = null;

    if (null != roomState) {
        sender = roomState.getMember(event.getSender());
    }

    View avatarLeftView = convertView.findViewById(R.id.messagesAdapter_roundAvatar_left);
    View avatarRightView = convertView.findViewById(R.id.messagesAdapter_roundAvatar_right);
    View avatarLayoutView;

    if (isAvatarOnRightSide) {
        avatarLayoutView = avatarRightView;

        if (null != avatarLeftView) {
            avatarLeftView.setVisibility(View.GONE);
        }
    } else {
        avatarLayoutView = avatarLeftView;

        if (null != avatarRightView) {
            avatarRightView.setVisibility(View.GONE);
        }

        if (null != avatarLeftView) {
            final String userId = event.getSender();

            avatarLeftView.setClickable(true);

            avatarLeftView.setOnLongClickListener(new View.OnLongClickListener() {
                @Override
                public boolean onLongClick(View v) {
                    if (null != mMessagesAdapterEventsListener) {
                        return mMessagesAdapterEventsListener.onAvatarLongClick(userId);
                    } else {
                        return false;
                    }
                }
            });

            // click on the avatar opens the details page
            avatarLeftView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    if (null != mMessagesAdapterEventsListener) {
                        mMessagesAdapterEventsListener.onAvatarClick(userId);
                    }
                }
            });
        }
    }

    if (null != avatarLayoutView) {
        ImageView avatarImageView = (ImageView) avatarLayoutView.findViewById(R.id.avatar_img);
        ImageView presenceView = (ImageView) avatarLayoutView.findViewById(R.id.imageView_presenceRing);

        final String userId = event.getSender();
        refreshPresenceRing(presenceView, userId);

        if (isMergedView) {
            avatarLayoutView.setVisibility(View.GONE);
        } else {
            avatarLayoutView.setVisibility(View.VISIBLE);
            avatarImageView.setTag(null);

            String url = null;
            String displayName = null;

            // Check whether this avatar url is updated by the current event (This happens in case of new joined member)
            JsonObject msgContent = event.getContentAsJsonObject();

            if (msgContent.has("avatar_url")) {
                url = msgContent.get("avatar_url") == JsonNull.INSTANCE ? null
                        : msgContent.get("avatar_url").getAsString();
            }

            if (msgContent.has("membership")) {
                String memberShip = msgContent.get("membership") == JsonNull.INSTANCE ? null
                        : msgContent.get("membership").getAsString();

                // the avatar url is the invited one not the inviter one.
                if (TextUtils.equals(memberShip, RoomMember.MEMBERSHIP_INVITE)) {
                    url = null;

                    if (null != sender) {
                        url = sender.avatarUrl;
                    }
                }

                if (TextUtils.equals(memberShip, RoomMember.MEMBERSHIP_JOIN)) {
                    // in some cases, the displayname cannot be retrieved because the user member joined the room with this event
                    // without being invited (a public room for example)
                    if (msgContent.has("displayname")) {
                        displayName = msgContent.get("displayname") == JsonNull.INSTANCE ? null
                                : msgContent.get("displayname").getAsString();
                    }
                }
            }

            loadMemberAvatar(avatarImageView, sender, userId, displayName, url);

            // display the typing icon when required
            setTypingVisibility(avatarLayoutView,
                    (!isAvatarOnRightSide && (mTypingUsers.indexOf(event.getSender()) >= 0)) ? View.VISIBLE
                            : View.GONE);
        }
    }

    // if the messages are merged
    // the thumbnail is hidden
    // and the subview must be moved to be aligned with the previous body
    View bodyLayoutView = convertView.findViewById(R.id.messagesAdapter_body_layout);
    ViewGroup.MarginLayoutParams bodyLayout = (ViewGroup.MarginLayoutParams) bodyLayoutView.getLayoutParams();
    FrameLayout.LayoutParams subViewLinearLayout = (FrameLayout.LayoutParams) subView.getLayoutParams();

    View view = convertView.findViewById(R.id.messagesAdapter_roundAvatar_left);
    ViewGroup.LayoutParams avatarLayout = view.getLayoutParams();

    if (!isAvatarOnRightSide) {
        subViewLinearLayout.gravity = Gravity.LEFT | Gravity.CENTER_VERTICAL;

        if (isMergedView) {
            bodyLayout.setMargins(avatarLayout.width, bodyLayout.topMargin, 4, bodyLayout.bottomMargin);

        } else {
            bodyLayout.setMargins(4, bodyLayout.topMargin, 4, bodyLayout.bottomMargin);
        }
        subView.setLayoutParams(bodyLayout);
    } else {
        subViewLinearLayout.gravity = Gravity.RIGHT | Gravity.CENTER_VERTICAL;

        if (isMergedView) {
            bodyLayout.setMargins(4, bodyLayout.topMargin, avatarLayout.width, bodyLayout.bottomMargin);
        } else {
            bodyLayout.setMargins(4, bodyLayout.topMargin, 4, bodyLayout.bottomMargin);
        }
    }

    bodyLayoutView.setLayoutParams(bodyLayout);
    subView.setLayoutParams(subViewLinearLayout);

    view = convertView.findViewById(R.id.messagesAdapter_message_separator);

    if (null != view) {
        view.setVisibility((willBeMerged || ((position + 1) == this.getCount())) ? View.GONE : View.VISIBLE);
    }

    convertView.setClickable(true);

    // click on the avatar opens the details page
    convertView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (null != mMessagesAdapterEventsListener) {
                mMessagesAdapterEventsListener.onRowClick(position);
            }
        }
    });

    // click on the avatar opens the details page
    convertView.setOnLongClickListener(new View.OnLongClickListener() {
        @Override
        public boolean onLongClick(View v) {
            if (null != mMessagesAdapterEventsListener) {
                return mMessagesAdapterEventsListener.onRowLongClick(position);
            }

            return false;
        }
    });

    return isMergedView;
}

---

From source file:org.mitre.openid.connect.view.JSONIdTokenView.java

License:Apache License

protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
        HttpServletResponse response) throws Exception {

    Gson gson = new GsonBuilder().setExclusionStrategies(new ExclusionStrategy() {

        public boolean shouldSkipField(FieldAttributes f) {

            return false;
        }//from   w  w w. j a v a  2 s.co m

        public boolean shouldSkipClass(Class<?> clazz) {
            // skip the JPA binding wrapper
            if (clazz.equals(BeanPropertyBindingResult.class)) {
                return true;
            }
            return false;
        }

    }).registerTypeHierarchyAdapter(ClaimSet.class, new JsonSerializer<ClaimSet>() {
        @Override
        public JsonElement serialize(ClaimSet src, Type typeOfSrc, JsonSerializationContext context) {
            if (src != null) {
                return src.getAsJsonObject();
            } else {
                return JsonNull.INSTANCE;
            }
        }
    }).create();

    response.setContentType("application/json");

    Writer out = response.getWriter();

    Object obj = model.get("entity");
    if (obj == null) {
        obj = model;
    }

    gson.toJson(obj, out);
}

---

From source file:org.mitre.util.JsonUtils.java

License:Apache License

/**
 * Translate a set of strings to a JSON array, optionally preserving the empty array. Otherwise (default) empty array is returned as null.
 * @param value//from   w  w  w  .jav a  2  s .c  o m
 * @param preserveEmpty
 * @return
 */
public static JsonElement getAsArray(Set<String> value, boolean preserveEmpty) {
    if (!preserveEmpty && value != null && value.isEmpty()) {
        // if we're not preserving empty arrays and the value is empty, return null
        return JsonNull.INSTANCE;
    } else {
        return gson.toJsonTree(value, new TypeToken<Set<String>>() {
        }.getType());
    }
}

---

From source file:org.mobicents.servlet.restcomm.http.converter.AbstractConverter.java

License:Open Source License

protected void writeAccountSid(final Sid accountSid, final JsonObject object) {
    if (accountSid != null) {
        object.addProperty("account_sid", accountSid.toString());
    } else {//from  www  .j  ava 2 s  .  c o m
        object.add("account_sid", JsonNull.INSTANCE);
    }
}

---

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