Example usage for com.google.gson JsonElement isJsonPrimitive

Introduction

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

Prototype

public boolean isJsonPrimitive() 

Source Link

Document

provides check for verifying if this element is a primitive or not.

Usage

From source file:org.ppojo.data.CopyStyleDataSerializer.java

License:Apache License

private CopyStyleData ParseStyleJsonObject(JsonObject asObject, int memberIndex) {
    CopyStyleData copyStyleData = new CopyStyleData();
    JsonElement styleMember = null;
    JsonElement methodNameMember = null;
    for (Map.Entry<String, JsonElement> elementEntry : asObject.entrySet()) {
        switch (elementEntry.getKey()) {
        case "style":
            styleMember = elementEntry.getValue();
            break;
        case "methodName":
            methodNameMember = elementEntry.getValue();
            break;
        default://  ww  w . j a  va 2s .c o m
            throw new JsonParseException("Invalid member for array element pojoCopyStyles[" + memberIndex
                    + "], unsupported field " + elementEntry.getKey()
                    + ". Only supports fields style and methodName, in " + getDeserializeFilePath());
        }
    }
    if (styleMember == null)
        throw new JsonParseException("Invalid element in option pojoCopyStyles[" + memberIndex
                + "], required field: style is missing, in " + getDeserializeFilePath());
    if (!(styleMember.isJsonPrimitive() && styleMember.getAsJsonPrimitive().isString()))
        throw new JsonParseException("Invalid element type for option pojoCopyStyles[" + memberIndex
                + "] style field, expected String got " + JsonElementTypes.getType(styleMember) + ", in "
                + getDeserializeFilePath());
    if (methodNameMember != null
            && !(methodNameMember.isJsonPrimitive() && methodNameMember.getAsJsonPrimitive().isString()))
        throw new JsonParseException("Invalid element type for option pojoCopyStyles[" + memberIndex
                + "]  methodName field, expected String got " + JsonElementTypes.getType(methodNameMember)
                + ", in " + getDeserializeFilePath());
    copyStyleData.style = parseStyleType(styleMember.getAsString(), memberIndex);
    if (methodNameMember != null)
        copyStyleData.methodName = EmptyIfNull(methodNameMember.getAsString());
    return copyStyleData;
}

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From source file:org.ppojo.data.JsonElementTypes.java

License:Apache License

public static JsonElementTypes getType(JsonElement json) {
    if (json.isJsonObject())
        return JsonElementTypes.JsonObject;
    if (json.isJsonArray())
        return JsonElementTypes.JsonArray;
    if (json.isJsonNull())
        return JsonElementTypes.JsonNull;
    if (json.isJsonPrimitive()) {
        JsonPrimitive jsonPrimitive = json.getAsJsonPrimitive();
        if (jsonPrimitive.isBoolean())
            return JsonElementTypes.Boolean;
        if (jsonPrimitive.isNumber())
            return JsonElementTypes.Number;
        if (jsonPrimitive.isString())
            return JsonElementTypes.String;
    }/* ww w . j av  a2  s  .com*/
    return JsonElementTypes.Unknown;
}

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From source file:org.projectbuendia.client.net.OpenMrsErrorListener.java

License:Apache License

/** Parsing the json formatted error response received from the OpenMRS server **/
public String extractMessageFromJson(String json) {
    String message = null;//from  w  ww  .  j av  a2 s.c o  m
    try {
        JsonObject result = new JsonParser().parse(json).getAsJsonObject();
        if (result.has("error")) {
            JsonObject errorObject = result.getAsJsonObject("error");
            JsonElement element = errorObject.get("message");
            if (element == null || element.isJsonNull()) {
                element = errorObject.get("code");
            }
            if (element != null && element.isJsonPrimitive()) {
                message = element.getAsString();
            }
        }
    } catch (JsonParseException | IllegalStateException | UnsupportedOperationException e) {
        LOG.w("Problem parsing error message: " + e.getMessage());
    }
    return message;
}

---

From source file:org.projectbuendia.client.net.OpenMrsServer.java

License:Apache License

/**
 * Wraps an ErrorListener so as to extract an error message from the JSON
 * content of a response, if possible.//from w ww  .jav  a  2  s  . com
 * @param errorListener An error listener.
 * @return A new error listener that tries to pass a more meaningful message
 *     to the original errorListener.
 */
private Response.ErrorListener wrapErrorListener(final Response.ErrorListener errorListener) {
    return new Response.ErrorListener() {
        @Override
        public void onErrorResponse(VolleyError error) {
            String message = error.getMessage();
            try {
                if (error.networkResponse != null && error.networkResponse.data != null) {
                    String text = new String(error.networkResponse.data);
                    JsonObject result = new JsonParser().parse(text).getAsJsonObject();
                    if (result.has("error")) {
                        JsonObject errorObject = result.getAsJsonObject("error");
                        JsonElement element = errorObject.get("message");
                        if (element == null || element.isJsonNull()) {
                            element = errorObject.get("code");
                        }
                        if (element != null && element.isJsonPrimitive()) {
                            message = element.getAsString();
                        }
                    }
                }
            } catch (JsonParseException | IllegalStateException | UnsupportedOperationException e) {
                e.printStackTrace();
            }
            errorListener.onErrorResponse(new VolleyError(message, error));
        }
    };
}

---

From source file:org.qcert.camp.translator.Rule2CAMP.java

License:Open Source License

/**
 * Make a single data object given its type and a JsonObject containing its attributes
 * @param type the type//  www .  j av a2 s . c  o  m
 * @param attributes the attributes
 * @return the constructed object instance
 * @throws Exception 
 */
private static Object makeDataObject(String type, JsonObject attributes) throws Exception {
    Object ans = Class.forName(type).newInstance();
    for (Entry<String, JsonElement> attribute : attributes.entrySet()) {
        JsonElement value = attribute.getValue();
        if (value.isJsonPrimitive())
            setAttribute(ans, attribute.getKey(), valueFromJson(value.getAsJsonPrimitive()));
        else if (value.isJsonArray()) {
            JsonArray array = value.getAsJsonArray();
            List<Object> collection = new ArrayList<>();
            setAttribute(ans, attribute.getKey(), collection);
            for (JsonElement element : array) {
                if (element.isJsonPrimitive())
                    collection.add(valueFromJson((element.getAsJsonPrimitive())));
                else
                    throw new UnsupportedOperationException(
                            "Only handling collections of primitive type at this time");
            }
        }
    }
    return ans;
}

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From source file:org.qcert.runtime.DataComparator.java

License:Apache License

private static DType getType(JsonElement obj) {
    if (obj == null) {
        return DType.DT_JNULL;
    } else if (obj.isJsonNull()) {
        return DType.DT_NULL;
    } else if (obj.isJsonPrimitive()) {
        final JsonPrimitive prim = obj.getAsJsonPrimitive();
        if (prim.isBoolean()) {
            return DType.DT_BOOL;
        } else if (prim.isString()) {
            return DType.DT_STRING;
        } else if (prim.isNumber()) {
            final Number num = prim.getAsNumber();
            if (num instanceof LazilyParsedNumber) {
                return DType.DT_LAZYNUM;
            } else if (num instanceof Long || num instanceof Short || num instanceof Integer) {
                return DType.DT_LONG;
            } else if (num instanceof Double || num instanceof Short || num instanceof Float) {
                return DType.DT_DOUBLE;
            } else {
                throw new RuntimeException(
                        "Unknown primitive json number type: " + num + " of type " + num.getClass());
            }/*from   w  w w.j  a v  a  2  s .  c om*/
        } else {
            throw new RuntimeException("Unknown primitive json type: " + prim);
        }
    } else if (obj.isJsonArray()) {
        return DType.DT_COLL;
    } else if (obj.isJsonObject()) {
        return DType.DT_REC;
    } else {
        throw new RuntimeException("Unknown json type: " + obj + " of type " + obj.getClass());
    }
}

---

From source file:org.qcert.runtime.UnaryOperators.java

License:Apache License

private static void tostring(StringBuilder sb, JsonElement e) {
    if (e == null || e.isJsonNull()) {
        sb.append("null");
    } else if (e.isJsonPrimitive()) {
        tostring(sb, e.getAsJsonPrimitive());
    } else if (e.isJsonArray()) {
        tostring(sb, e.getAsJsonArray());
    } else if (e.isJsonObject()) {
        tostring(sb, e.getAsJsonObject());
    } else {//from   ww  w  .j  a  v  a 2  s. c om
        sb.append(e.toString());
    }
}

---

From source file:org.qcert.util.SchemaUtil.java

License:Apache License

/**
 * Make a Type from a JsonElement representing a Type.  
 * TODO support for embedded objects (other than collections) is incomplete.
 * @param type the JsonElement to be made into a Type
 * @param brandMap the map from type names to brands in the event of an embedded objectl
 * @return the Type/*  www  .  j  av  a 2s. co  m*/
 */
private static Type makeType(JsonElement type) {
    if (type.isJsonPrimitive() && type.getAsJsonPrimitive().isString()) {
        return new PrimitiveType(type.getAsJsonPrimitive().getAsString());
    }
    // Other than primitive types and object type references we only support the $coll convention at this time
    JsonElement coll = type.getAsJsonObject().get("$coll");
    if (coll == null)
        throw new UnsupportedOperationException("Don't yet know how to handle encoded type " + type);
    Type element = makeType(coll);
    return new ListType(element);
}

---

From source file:org.quartzpowered.protocol.data.chat.component.serialize.ComponentSerializer.java

License:Open Source License

@Override
public BaseComponent deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    if (json.isJsonPrimitive()) {
        return new TextComponent(json.getAsString());
    }/*from   w ww . ja v a 2 s .  c o m*/
    JsonObject object = json.getAsJsonObject();
    if (object.has("translate")) {
        return context.deserialize(json, TranslatableComponent.class);
    }
    return context.deserialize(json, TextComponent.class);
}

---

From source file:org.rapla.rest.jsonpatch.mergepatch.server.ObjectMergePatch.java

License:LGPL

@Override
public JsonElement apply(final JsonElement input) throws JsonPatchException {
    if (!input.isJsonObject())
        return mapToNode(fields);

    final Map<String, JsonElement> map = asMap(input);

    // Remove all entries which must be removed
    map.keySet().removeAll(removals);/*from  w ww  . j av a  2 s  . c  om*/

    // Now cycle through what is left
    String memberName;
    JsonElement patchNode;

    for (final Map.Entry<String, JsonElement> entry : map.entrySet()) {
        memberName = entry.getKey();
        patchNode = fields.get(memberName);

        // Leave untouched if no mention in the patch
        if (patchNode == null)
            continue;

        // If the patch node is a primitive type, replace in the result.
        // Reminder: there cannot be a JSON null anymore
        if (patchNode.isJsonPrimitive()) {
            entry.setValue(patchNode); // no need for .deepCopy()
            continue;
        }

        final JsonMergePatch patch = JsonMergePatch.fromJson(patchNode);
        entry.setValue(patch.apply(entry.getValue()));
    }

    // Finally, if there are members in the patch not present in the input,
    // fill in members
    for (final String key : difference(fields.keySet(), map.keySet()))
        map.put(key, clearNulls(fields.get(key)));

    return mapToNode(map);
}

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