Example usage for com.google.gson JsonParseException JsonParseException

Introduction

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

Prototype

public JsonParseException(Throwable cause) 

Source Link

Document

Creates exception with the specified cause.

Usage

From source file:de.symeda.sormas.app.rest.RuntimeTypeAdapterFactory.java

License:Open Source License

public <R> TypeAdapter<R> create(Gson gson, TypeToken<R> type) {
    if (type.getRawType() != baseType) {
        return null;
    }//  w w w  .j  a  v  a 2 s. com

    final Map<String, TypeAdapter<?>> labelToDelegate = new LinkedHashMap<String, TypeAdapter<?>>();
    final Map<Class<?>, TypeAdapter<?>> subtypeToDelegate = new LinkedHashMap<Class<?>, TypeAdapter<?>>();
    for (Map.Entry<String, Class<?>> entry : labelToSubtype.entrySet()) {
        TypeAdapter<?> delegate = gson.getDelegateAdapter(this, TypeToken.get(entry.getValue()));
        labelToDelegate.put(entry.getKey(), delegate);
        subtypeToDelegate.put(entry.getValue(), delegate);
    }

    return new TypeAdapter<R>() {
        @Override
        public R read(JsonReader in) throws IOException {
            JsonElement jsonElement = Streams.parse(in);
            JsonElement labelJsonElement;
            if (maintainType) {
                labelJsonElement = jsonElement.getAsJsonObject().get(typeFieldName);
            } else {
                labelJsonElement = jsonElement.getAsJsonObject().remove(typeFieldName);
            }

            if (labelJsonElement == null) {
                throw new JsonParseException("cannot deserialize " + baseType
                        + " because it does not define a field named " + typeFieldName);
            }
            String label = labelJsonElement.getAsString();
            @SuppressWarnings("unchecked") // registration requires that subtype extends T
            TypeAdapter<R> delegate = (TypeAdapter<R>) labelToDelegate.get(label);
            if (delegate == null) {
                throw new JsonParseException("cannot deserialize " + baseType + " subtype named " + label
                        + "; did you forget to register a subtype?");
            }
            return delegate.fromJsonTree(jsonElement);
        }

        @Override
        public void write(JsonWriter out, R value) throws IOException {
            Class<?> srcType = value.getClass();
            String label = subtypeToLabel.get(srcType);
            @SuppressWarnings("unchecked") // registration requires that subtype extends T
            TypeAdapter<R> delegate = (TypeAdapter<R>) subtypeToDelegate.get(srcType);
            if (delegate == null) {
                throw new JsonParseException(
                        "cannot serialize " + srcType.getName() + "; did you forget to register a subtype?");
            }
            JsonObject jsonObject = delegate.toJsonTree(value).getAsJsonObject();

            if (maintainType) {
                Streams.write(jsonObject, out);
                return;
            }

            JsonObject clone = new JsonObject();

            if (jsonObject.has(typeFieldName)) {
                throw new JsonParseException("cannot serialize " + srcType.getName()
                        + " because it already defines a field named " + typeFieldName);
            }
            clone.add(typeFieldName, new JsonPrimitive(label));

            for (Map.Entry<String, JsonElement> e : jsonObject.entrySet()) {
                clone.add(e.getKey(), e.getValue());
            }
            Streams.write(clone, out);
        }
    }.nullSafe();
}

---

From source file:donky.microsoft.aspnet.signalr.client.DateSerializer.java

License:Open Source License

/**
 * Deserializes a JsonElement containing an ISO-8601 formatted date
 *///from ww w.  jav a  2 s .c  om
@Override
public Date deserialize(JsonElement element, Type type, JsonDeserializationContext ctx)
        throws JsonParseException {
    String strVal = element.getAsString();

    try {
        return deserialize(strVal);
    } catch (ParseException e) {
        throw new JsonParseException(e);
    }
}

---

From source file:donky.microsoft.aspnet.signalr.client.DateSerializer.java

License:Open Source License

/**
 * Deserializes an ISO-8601 formatted date
 *///from www .  jav  a  2  s  .c  o  m
public static Date deserialize(String strVal) throws ParseException {

    String s;

    if (strVal.contains("+00:00")) {
        strVal = strVal.replace("+00:00", "");
    }

    if (strVal.length() == 19) {// adapt from format yyyy-MM-ddTHH:mm:dd
        s = strVal + ".+00:00";
    } else if (strVal.contains(".Z")) {
        // Change .Z to +00:00 to adapt the string to a format
        // that can be parsed in Java
        s = strVal.replace(".Z", ".+00:00");
    } else {
        // Change Z to +00:00 to adapt the string to a format
        // that can be parsed in Java
        s = strVal.replace("Z", ".+00:00");
    }

    try {
        // Remove the ":" character to adapt the string to a
        // format
        // that can be parsed in Java

        if (s.length() > THREE_MILLISECONDS_DATE_FORMAT_LENGTH) { // yyyy-MM-ddTHH:mm:dd.SSS+00:00
            // remove the extra milliseconds characters
            s = s.substring(0, 23) + s.substring(s.length() - 6);
        } else if (s.length() < THREE_MILLISECONDS_DATE_FORMAT_LENGTH) {
            // add extra milliseconds characters
            int dif = (THREE_MILLISECONDS_DATE_FORMAT_LENGTH - s.length());

            String zeros = "";
            for (int i = 0; i < dif; i++) {
                zeros += "0";
            }
            s = s.substring(0, 20 + (3 - dif)) + zeros + s.substring(s.length() - 6);
        }

        s = s.substring(0, 26) + s.substring(27);
    } catch (IndexOutOfBoundsException e) {
        throw new JsonParseException("Invalid length for: " + s);
    }

    // Parse the well-formatted date string
    SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'.'SSSZ");
    dateFormat.setTimeZone(TimeZone.getDefault());
    Date date = dateFormat.parse(s);

    return date;
}

---

From source file:edu.wpi.cs.wpisuitetng.modules.AbstractEntityManager.java

License:Open Source License

/**
 * This static utility method takes a JSON string and attempts to
 *    retrieve a username field from it.
 * @param serializedUser   a JSON string containing a password
 * @return   the username field parsed./*from  w  w w  .ja  va2 s.  c o m*/
 */
public static String parseFieldFromJSON(String serializedModel, String FieldName) {
    if (!serializedModel.contains(FieldName)) {
        throw new JsonParseException("The given JSON string did not contain specified field.");
    }

    int fieldStartIndex = serializedModel.indexOf(FieldName);
    int separator = serializedModel.indexOf(':', fieldStartIndex);
    int startIndex = serializedModel.indexOf('"', separator) + 1;
    int endIndex = serializedModel.indexOf('"', startIndex);

    String field = serializedModel.substring(startIndex, endIndex);

    return field;
}

---

From source file:edu.wpi.cs.wpisuitetng.modules.core.entitymanagers.UserManager.java

License:Open Source License

/**
 * This static utility method takes a JSON string and attempts to
 *    retrieve a username field from it.
 * @param serializedUser   a JSON string containing a password
 * @return   the username field parsed./*from w w w .  j a v a  2 s .  co  m*/
 */
public static String parseUsername(String serializedUser) {
    logger.log(Level.FINE, "Attempting username parsing...");

    if (serializedUser == null || !serializedUser.contains("username")) {
        throw new JsonParseException("The given JSON string did not contain a username field.");
    }

    int fieldStartIndex = serializedUser.indexOf("username");
    int separator = serializedUser.indexOf(':', fieldStartIndex);
    int startIndex = serializedUser.indexOf('"', separator) + 1;
    int endIndex = serializedUser.indexOf('"', startIndex);

    String username = serializedUser.substring(startIndex, endIndex);

    logger.log(Level.FINE, "Username parsing success!");
    return username;
}

---

From source file:edu.wpi.cs.wpisuitetng.modules.core.models.ProjectDeserializer.java

License:Open Source License

@Override
public Project deserialize(JsonElement projectElement, Type projectType, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject deflated = projectElement.getAsJsonObject();

    // check for the unique identifier <idNum> field.
    if (!deflated.has("idNum")) {
        throw new JsonParseException("The serialized Project did not contain the required idNum field.");
    }/*from   ww  w.  j ava 2s .  co  m*/

    // for all other attributes: instantiate as null, fill in if given.

    //int idNum = deflated.get("idNum").getAsInt();
    String idNum = deflated.get("idNum").getAsString();
    String name = null;
    User owner = null;

    String ownerString = null;
    User[] team = null;
    String[] supportedModules = null;

    if (deflated.has("name")) {
        name = deflated.get("name").getAsString();
    }

    if (deflated.has("owner")) {
        owner = User.fromJSON(deflated.get("owner").getAsString());
    }

    if (deflated.has("supportedModules")) {
        ArrayList<String> tempList = new ArrayList<String>();
        JsonArray tempMods = deflated.get("supportedModules").getAsJsonArray();
        for (JsonElement mod : tempMods) {
            tempList.add(mod.getAsString());
        }
        String[] tempSM = new String[1];
        supportedModules = tempList.toArray(tempSM);
    }

    Project inflated = new Project(name, idNum, owner, team, supportedModules);

    if (deflated.has("team")) {
        JsonArray tempTeam = deflated.get("team").getAsJsonArray();
        for (JsonElement member : tempTeam) {
            inflated.addTeamMember(User.fromJSON(member.getAsString()));
        }

    }

    return inflated;
}

---

From source file:edu.wpi.cs.wpisuitetng.modules.core.models.UserDeserializer.java

License:Open Source License

@Override
public User deserialize(JsonElement userElement, Type userType, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject deflated = userElement.getAsJsonObject();

    if (!deflated.has("username")) {
        throw new JsonParseException("The serialized User did not contain the required username field.");
    }/*ww w  .  j  a  v a  2 s . c o  m*/

    // for all other attributes: instantiate as null, fill in if given.

    int idNum = 0;
    String username = deflated.get("username").getAsString();
    String name = null;
    String password = null;

    if (deflated.has("idNum") && !deflated.get("idNum").getAsString().equals("")) {
        try {
            idNum = deflated.get("idNum").getAsInt();
        } catch (java.lang.NumberFormatException e) {
            logger.log(Level.FINER, "User transmitted with String in iDnum field");
        }
    }

    if (deflated.has("password") && !deflated.get("password").getAsString().equals("")) {
        password = deflated.get("password").getAsString();
    }

    if (deflated.has("name") && !deflated.get("name").getAsString().equals("")) {
        name = deflated.get("name").getAsString();
    }

    User inflated = new User(name, username, password, idNum);

    if (deflated.has("role") && !deflated.get("role").getAsString().equals("")) {
        Role r = Role.valueOf(deflated.get("role").getAsString());
        inflated.setRole(r);
    }

    return inflated;
}

---

From source file:edu.wpi.cs.wpisuitetng.modules.core.models.UserDeserializer.java

License:Open Source License

/**
 * This static utility method takes a JSON string and attempts to
 *    retrieve a password field from it.
 * @param serializedUser   a JSON string containing a password
 * @return   the password field parsed./*from  www . j  ava 2s  .c o m*/
 */
public static String parsePassword(String serializedUser) {
    if (!serializedUser.contains("password")) {
        throw new JsonParseException("The given JSON string did not contain a password field.");
    }

    int fieldStartIndex = serializedUser.indexOf("password");
    int separator = serializedUser.indexOf(':', fieldStartIndex);
    int startIndex = serializedUser.indexOf('"', separator) + 1;
    int endIndex = serializedUser.indexOf('"', startIndex);

    String password = serializedUser.substring(startIndex, endIndex);

    return password;
}

---

From source file:edu.wpi.cs.wpisuitetng.modules.defecttracker.models.DefectChangesetDeserializer.java

License:Open Source License

@Override
public DefectChangeset deserialize(JsonElement json, Type type, JsonDeserializationContext context)
        throws JsonParseException {

    // hash map to hold the deserialized FieldChange objects
    HashMap<String, FieldChange<?>> changesMap = new HashMap<String, FieldChange<?>>();

    JsonObject changeSet = json.getAsJsonObject();
    if (changeSet.has("changes")) {
        JsonObject changes = changeSet.get("changes").getAsJsonObject();
        if (changes.has("title")) {
            JsonObject titleObj = changes.get("title").getAsJsonObject();
            String oldTitle = context.deserialize(titleObj.get("oldValue"), String.class);
            String newTitle = context.deserialize(titleObj.get("newValue"), String.class);
            changesMap.put("title", new FieldChange<String>(oldTitle, newTitle));
        }/*from   w ww .j a v  a2  s. c o m*/
        if (changes.has("description")) {
            JsonObject descriptionObj = changes.get("description").getAsJsonObject();
            String oldDesc = context.deserialize(descriptionObj.get("oldValue"), String.class);
            String newDesc = context.deserialize(descriptionObj.get("newValue"), String.class);
            changesMap.put("description", new FieldChange<String>(oldDesc, newDesc));
        }
        if (changes.has("assignee")) {
            JsonObject assigneeObj = changes.get("assignee").getAsJsonObject();
            User oldUser = context.deserialize(assigneeObj.get("oldValue"), User.class);
            User newUser = context.deserialize(assigneeObj.get("newValue"), User.class);
            changesMap.put("assignee", new FieldChange<User>(oldUser, newUser));
        }
        if (changes.has("tags")) {
            JsonObject tagsObj = changes.get("tags").getAsJsonObject();
            Tag[] oldTags = context.deserialize(tagsObj.get("oldValue"), Tag[].class);
            Tag[] newTags = context.deserialize(tagsObj.get("newValue"), Tag[].class);
            changesMap.put("tags",
                    new FieldChange<Set<Tag>>(new HashSet<Tag>(new ArrayList<Tag>(Arrays.asList(oldTags))),
                            new HashSet<Tag>(new ArrayList<Tag>(Arrays.asList(newTags)))));
        }
        if (changes.has("status")) {
            JsonObject statusObj = changes.get("status").getAsJsonObject();
            DefectStatus oldStatus = context.deserialize(statusObj.get("oldValue"), DefectStatus.class);
            DefectStatus newStatus = context.deserialize(statusObj.get("newValue"), DefectStatus.class);
            changesMap.put("status", new FieldChange<DefectStatus>(oldStatus, newStatus));
        }

        // reconstruct the DefectChangeset
        DefectChangeset retVal = new DefectChangeset();
        retVal.setChanges(changesMap);
        retVal.setDate((Date) (context.deserialize(changeSet.get("date"), Date.class)));
        retVal.setUser((User) (context.deserialize(changeSet.get("user"), User.class)));

        // return the DefectChangeset
        return retVal;
    } else {
        throw new JsonParseException("DefectChangeset type is unrecognized");
    }
}

---

From source file:edu.wpi.cs.wpisuitetng.modules.defecttracker.models.DefectEventDeserializer.java

License:Open Source License

@Override
public DefectEvent deserialize(JsonElement element, Type type, JsonDeserializationContext context)
        throws JsonParseException {
    // we need to switch on the type field to figure out the concrete class to instantiate
    JsonObject object = element.getAsJsonObject();
    if (!object.has("type")) {
        throw new JsonParseException("DefectEvent does not have type information");
    }// w w  w .jav  a  2s.co  m
    EventType eType = context.deserialize(object.get("type"), EventType.class);
    if (eType != null) { // type could be any garbage string, eType null if not in enum
        switch (eType) {
        case CHANGESET:
            return context.deserialize(element, DefectChangeset.class);
        case COMMENT:
            return context.deserialize(element, Comment.class);
        }
    }
    throw new JsonParseException("DefectEvent type is unrecognized");
}

---

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