Example usage for com.google.gson JsonElement getAsString

Introduction

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

Prototype

public String getAsString() 

Source Link

Document

convenience method to get this element as a string value.

Usage

From source file:com.ibm.streamsx.topology.generator.spl.SPLGenerator.java

License:Open Source License

/**
 * Add a single value of a known type.//  w ww . j a v  a2 s  .co m
 */
static void value(StringBuilder sb, String type, JsonElement value) {
    switch (type) {
    case "UINT8":
    case "UINT16":
    case "UINT32":
    case "UINT64":
    case "INT8":
    case "INT16":
    case "INT32":
    case "INT64":
    case "FLOAT32":
    case "FLOAT64":
        numberLiteral(sb, value.getAsJsonPrimitive(), type);
        break;
    case "RSTRING":
        stringLiteral(sb, value.getAsString());
        break;
    case "USTRING":
        stringLiteral(sb, value.getAsString());
        sb.append("u");
        break;

    case "BOOLEAN":
        sb.append(value.getAsBoolean());
        break;

    default:
    case JParamTypes.TYPE_ENUM:
    case JParamTypes.TYPE_SPLTYPE:
    case JParamTypes.TYPE_ATTRIBUTE:
    case JParamTypes.TYPE_SPL_EXPRESSION:
        sb.append(value.getAsString());
        break;
    }
}

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From source file:com.ibm.streamsx.topology.internal.core.PlacementInfo.java

License:Open Source License

private static void addToSet(Set<String> set, JsonArray array) {
    for (JsonElement item : array)
        set.add(item.getAsString());
}

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From source file:com.ibm.streamsx.topology.internal.gson.GsonUtilities.java

License:Open Source License

/**
 * Returns a property as a String./* w  w  w .  ja  va 2 s  . co m*/
 * @param object
 * @param property
 * @return Value or null if it is not set.
 */
public static String jstring(JsonObject object, String property) {
    if (object.has(property)) {
        JsonElement je = object.get(property);
        if (je.isJsonNull())
            return null;
        return je.getAsString();
    }
    return null;
}

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From source file:com.ibm.streamsx.topology.internal.streaminganalytics.VcapServices.java

License:Open Source License

/**
 * Get the top-level VCAP services object.
 * /*w w w.ja  va 2s.c om*/
 * Object can be one of the following:
 * <ul>
 * <li>JsonObject - assumed to contain VCAP_SERVICES </li>
 * <li>String - assumed to contain serialized VCAP_SERVICES JSON, or the
 * location of a file containing the serialized VCAP_SERVICES JSON</li>
 * <li>null - assumed to be in the environment variable VCAP_SERVICES</li>
 * </ul>
 */
public static JsonObject getVCAPServices(JsonElement rawServices) throws IOException {

    JsonParser parser = new JsonParser();
    String vcapString;
    String vcapContents = null;

    if (rawServices == null || rawServices.isJsonNull()) {
        // if rawServices is null, then pull from the environment
        vcapString = System.getenv("VCAP_SERVICES");
        if (vcapString == null) {
            throw new IllegalStateException(
                    "VCAP_SERVICES are not defined, please set environment variable VCAP_SERVICES or configuration property: "
                            + VCAP_SERVICES);
        }
        // resulting string can be either the serialized JSON or filename
        if (Files.isRegularFile(Paths.get(vcapString))) {
            Path vcapFile = Paths.get(vcapString);
            vcapContents = new String(Files.readAllBytes(vcapFile), StandardCharsets.UTF_8);
        } else {
            vcapContents = vcapString;
        }
    } else if (rawServices.isJsonObject()) {
        return rawServices.getAsJsonObject();
    } else if (rawServices.isJsonPrimitive()) {
        // String can be either the serialized JSON or filename
        String rawString = rawServices.getAsString();
        if (Files.isRegularFile(Paths.get(rawString))) {
            Path vcapFile = Paths.get(rawString);
            vcapContents = new String(Files.readAllBytes(vcapFile), StandardCharsets.UTF_8);
        } else
            vcapContents = rawString;
    } else {
        throw new IllegalArgumentException("Unknown VCAP_SERVICES object class: " + rawServices.getClass());
    }
    return parser.parse(vcapContents).getAsJsonObject();
}

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From source file:com.ibm.watson.developer_cloud.util.DateDeserializer.java

License:Open Source License

@Override
public synchronized Date deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {

    if (json.isJsonNull() || json.getAsString().isEmpty()) {
        return null;
    }/*  ww w .  j a v  a 2  s . c  o m*/

    String dateAsString = json.getAsJsonPrimitive().getAsString().replaceAll("Z$", "+0000");
    ParseException e = null;

    for (SimpleDateFormat format : dateFormatters) {
        try {
            return format.parse(dateAsString);
        } catch (ParseException e1) {
            e = e1;
        }
    }

    Pattern isJustNumber = Pattern.compile("^\\d+$");
    Matcher foundMatch = isJustNumber.matcher(dateAsString);
    if (foundMatch.find()) {
        Long timeAsLong = Long.parseLong(dateAsString);
        Long msCheck = 100000000000L;

        // are we ms or seconds maybe?
        if (timeAsLong < msCheck) {
            // assuming in seconds
            timeAsLong = timeAsLong * 1000;
        }
        return new Date(timeAsLong);
    }

    LOG.log(Level.SEVERE, "Error parsing: " + dateAsString, e);
    return null;
}

---

From source file:com.ibm.watson.movieapp.dialog.fvt.rest.RestAPI.java

License:Open Source License

/**
 * getJSONArray - read JSON and find the values associated with the element param
 * @param jsonBody = JSON to read in string form
 * @param element - element looking for/*  w  ww .j  a  va  2 s. c  o m*/
 * @return - String value of element
 */
public ArrayList<String> getJSONArrayValue(String jsonBody, String field) {

    ArrayList<String> values = new ArrayList<String>();

    try {
        JsonElement je = new JsonParser().parse(jsonBody);
        JsonArray inner = je.getAsJsonObject().getAsJsonArray(field);

        Iterator<JsonElement> innerIter = inner.iterator();
        while (innerIter.hasNext()) {
            JsonElement innerEntry = innerIter.next();
            values.add(innerEntry.getAsString());
        }

    } catch (JsonIOException | JsonSyntaxException e) {

        e.printStackTrace();
    }

    return values;

}

---

From source file:com.iheart.quickio.client.QuickIo.java

License:Open Source License

private void routeCallback(final String evPath, final QuickIoCallback cb, final JsonElement json) {
    if (!json.isJsonObject()) {
        return;//  ww w  .jav  a2  s . co  m
    }

    long cbId = Long.parseLong(evPath.substring(QuickIo.EV_CALLBACK.length()));

    QuickIoCallback evCb = null;
    synchronized (this) {
        evCb = this.cbs.remove(cbId);
    }
    if (evCb == null) {
        return;
    }

    JsonObject obj = json.getAsJsonObject();
    int code = obj.get("code").getAsInt();
    String errMsg = "";
    if (obj.has("err_msg")) {
        JsonElement errObj = obj.get("err_msg");
        errMsg = errObj.isJsonNull() ? null : errObj.getAsString();
    }

    evCb.onCallback(obj.get("data"), cb, code, errMsg);
}

---

From source file:com.ikanow.infinit.e.data_model.custom.InfiniteFileInputJsonParser.java

License:Apache License

private String getKey(JsonElement meta, String key, boolean bPrimitiveOnly) {
    try {//from w w  w.  jav a  2s. c  om
        String[] components = key.split("\\.");
        JsonObject metaObj = meta.getAsJsonObject();
        for (String comp : components) {
            meta = metaObj.get(comp);

            if (null == meta) {
                return null;
            } //TESTED
            else if (meta.isJsonObject()) {
                metaObj = meta.getAsJsonObject();
            } //TESTED
            else if (meta.isJsonPrimitive()) {
                return meta.getAsString();
            } //TESTED
            else if (bPrimitiveOnly) { // (meta isn't allowed to be an array, then you'd have too many primary keys!)
                return null;
            } //TOTEST (? - see JsonToMetadataParser)
            else { // Check with first instance
                JsonArray array = meta.getAsJsonArray();
                meta = array.get(0);
                if (meta.isJsonObject()) {
                    metaObj = meta.getAsJsonObject();
                }
            } //TESTED            
        }
        if (!bPrimitiveOnly) { // allow objects, we just care if the field exists...
            if (null != metaObj) {
                return "[Object]";
            }
        } //TESTED
    } catch (Exception e) {
    } // no primary key

    return null;
}

---

From source file:com.ikanow.infinit.e.data_model.custom.InfiniteFileInputJsonParser.java

License:Apache License

static public BasicDBObject convertJsonObjectToBson(JsonObject json, boolean bHtmlUnescape) {
    int length = json.entrySet().size();
    BasicDBObject list = new BasicDBObject(capacity(length));
    for (Map.Entry<String, JsonElement> jsonKeyEl : json.entrySet()) {
        JsonElement jsonEl = jsonKeyEl.getValue();
        if (jsonEl.isJsonArray()) {
            list.put(jsonKeyEl.getKey(), handleJsonArray(jsonEl.getAsJsonArray(), bHtmlUnescape));
        } else if (jsonEl.isJsonObject()) {
            list.put(jsonKeyEl.getKey(), convertJsonObjectToBson(jsonEl.getAsJsonObject(), bHtmlUnescape));
        } else if (jsonEl.isJsonPrimitive()) {
            if (bHtmlUnescape) {
                list.put(jsonKeyEl.getKey(), StringEscapeUtils.unescapeHtml(jsonEl.getAsString()));
            } else {
                list.put(jsonKeyEl.getKey(), jsonEl.getAsString());
            }/*from w  ww  .  j  a v a2  s. co  m*/
        }
    }
    if (list.size() > 0) {
        return list;
    }
    return null;
}

---

From source file:com.ikanow.infinit.e.data_model.custom.InfiniteFileInputJsonParser.java

License:Apache License

static private Object[] handleJsonArray(JsonArray jarray, boolean bHtmlUnescape) {
    Object o[] = new Object[jarray.size()];
    for (int i = 0; i < jarray.size(); i++) {
        JsonElement jsonEl = jarray.get(i);
        if (jsonEl.isJsonObject()) {
            o[i] = convertJsonObjectToBson(jsonEl.getAsJsonObject(), bHtmlUnescape);
        }/*from   w  w  w  .j a  v  a2  s .co m*/
        if (jsonEl.isJsonArray()) {
            o[i] = handleJsonArray(jsonEl.getAsJsonArray(), bHtmlUnescape);
        } else if (jsonEl.isJsonPrimitive()) {
            if (bHtmlUnescape) {
                o[i] = StringEscapeUtils.unescapeHtml(jsonEl.getAsString());
            } else {
                o[i] = jsonEl.getAsString();
            }
        }
    }
    return o;
}

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