Example usage for com.google.gwt.json.client JSONValue isString

Introduction

In this page you can find the example usage for com.google.gwt.json.client JSONValue isString.

Prototype

public JSONString isString() 

Source Link

Document

Returns a non-null reference if this JSONValue is really a JSONString.

Usage

From source file:com.google.gwt.sample.hello.client.HelloJsonp.java

private void decodeJson(JSONValue jv) {
    JSONArray jsonArray;//from   w w  w .  j a v  a  2s  . co m
    JSONObject jsonObject;
    JSONString jsonString;

    if ((jsonArray = jv.isArray()) != null) {
        str.append(" [[ \n");
        indent += 4;
        prefix();
        for (int i = 0; i < jsonArray.size(); ++i) {
            str.append("[" + Integer.toString(i) + "]=(");
            decodeJson(jsonArray.get(i));
            str.append(")\n");
            prefix();
        }
        str.append("\n");
        indent -= 4;
        prefix();
        str.append(" ]] \n");
        prefix();
    } else if ((jsonObject = jv.isObject()) != null) {
        Set<String> keys = jsonObject.keySet();
        str.append(" {{ \n");
        indent += 4;
        prefix();
        for (String key : keys) {
            str.append("{" + key + "}=(");
            decodeJson(jsonObject.get(key));
            str.append(")\n");
            prefix();
        }
        str.append("\n");
        indent -= 4;
        prefix();
        str.append(" }} \n");
        prefix();
    } else if ((jsonString = jv.isString()) != null) {
        // Use stringValue instead of toString() because we don't want escaping
        str.append("\"" + jsonString.stringValue() + "\"\n");
        prefix();
    } else {
        // JSONBoolean, JSONNumber, and JSONNull work well with toString().
        str.append(jv.toString() + "\n");
        prefix();
    }
}

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From source file:com.google.gwt.sample.json.client.JSON.java

License:Apache License

private void addChildren(TreeItem treeItem, JSONValue jsonValue) {
    JSONArray jsonArray;//from w  ww. jav a 2  s  .com
    JSONObject jsonObject;
    JSONString jsonString;

    if ((jsonArray = jsonValue.isArray()) != null) {
        for (int i = 0; i < jsonArray.size(); ++i) {
            TreeItem child = treeItem.addItem(getChildText("[" + Integer.toString(i) + "]"));
            addChildren(child, jsonArray.get(i));
        }
    } else if ((jsonObject = jsonValue.isObject()) != null) {
        Set<String> keys = jsonObject.keySet();
        for (String key : keys) {
            TreeItem child = treeItem.addItem(getChildText(key));
            addChildren(child, jsonObject.get(key));
        }
    } else if ((jsonString = jsonValue.isString()) != null) {
        // Use stringValue instead of toString() because we don't want escaping
        treeItem.addItem(jsonString.stringValue());
    } else {
        // JSONBoolean, JSONNumber, and JSONNull work well with toString().
        treeItem.addItem(getChildText(jsonValue.toString()));
    }
}

---

From source file:com.googlecode.gwtphonegap.client.contacts.browser.ContactBrowserImpl.java

License:Apache License

private static String getFieldAsString(JSONValue field) {
    return (field != null && field.isString() != null) ? field.isString().stringValue() : "";
}

---

From source file:com.guit.client.jsorm.StringSerializer.java

License:Apache License

@Override
protected String deserializeJson(JSONValue o) {
    return o.isString().stringValue();
}

---

From source file:com.hunchee.haystack.client.utils.JsonConverter.java

License:Open Source License

/**
 * Decodes a JSONObject to a map./*from  w  w w .  j  a  va  2  s .c o  m*/
 *
 * @param jso the JSONObject
 * @return the map
 */
public static Map<String, Object> decode(JSONObject jso) {
    Map<String, Object> map = new LinkedHashMap<String, Object>();
    for (String key : jso.keySet()) {
        JSONValue j = jso.get(key);
        if (j.isObject() != null) {
            map.put(key, decode(j.isObject()));
        } else if (j.isArray() != null) {
            map.put(key, decodeToList(j.isArray()));
        } else if (j.isBoolean() != null) {
            map.put(key, j.isBoolean().booleanValue());
        } else if (j.isNumber() != null) {
            map.put(key, j.isNumber().doubleValue());
        } else if (j.isString() != null) {
            //map.put(key, decodeValue(j.isString().stringValue()));
            map.put(key, j.isString().stringValue());
        }
    }
    return map;
}

---

From source file:com.hunchee.haystack.client.utils.JsonConverter.java

License:Open Source License

protected static List<Object> decodeToList(JSONArray array) {
    List<Object> list = new ArrayList<Object>();
    for (int i = 0; i < array.size(); i++) {
        JSONValue v = array.get(i);
        if (v.isObject() != null) {
            list.add(decode(v.isObject()));
        } else if (v.isArray() != null) {
            list.add(decodeToList(v.isArray()));
        } else if (v.isNull() != null) {
            list.add(null);//www. j  av  a2s. c  om
        } else if (v.isNumber() != null) {
            list.add(v.isNumber().doubleValue());
        } else if (v.isBoolean() != null) {
            list.add(v.isBoolean().booleanValue());
        } else if (v.isString() != null) {
            //                list.add(decodeValue(v.isString().stringValue()));
            list.add(v.isString().stringValue());
        }
    }

    return list;
}

---

From source file:com.itgp.gwtviz.client.ui.runtime.RuntimeDataV1.java

License:Open Source License

protected void initColumnTypeFromJava(JSONArray parsedJSONData) {

    int numberOfRows = parsedJSONData.size();
    int numberOfColumns = this.dataModel.getColMetaArray().length;

    for (int colModelIndex = 0; colModelIndex < numberOfColumns; colModelIndex++) {

        int testDataRows = 0;
        ColMeta colMeta = this.dataModel.getColMetaArray()[colModelIndex];
        int colPos = colMeta.getColPos();
        for (int rowIndex = 0; rowIndex < numberOfRows; rowIndex++) {
            JSONValue cell = ((JSONArray) parsedJSONData.get(rowIndex)).get(colPos);

            JSONString cellAsString = cell.isString();
            if (cellAsString == null) {
                ServerComm.alert("row " + rowIndex + " col " + colPos + " : [" + cell.toString()
                        + "] is not a String! This circumstance contradicts the design parameters given!");

                return;
            }/*from   ww w  . j a  v a2 s  .c  o  m*/

            String val = cellAsString.stringValue();

            if (val != null && val.length() > 0) {
                testDataRows += 1;

                if ((colMeta.getType() == TYPE.STRING)) {
                    break; // get out, no need to do more - a string cannot become a number again
                } else {

                    // test for numeric in the first 3 rows if it's not already pegged as string
                    try {
                        double d = Double.parseDouble(val);
                        colMeta.setType(TYPE.NUMBER);
                    } catch (Exception ex) {
                        colMeta.setType(TYPE.STRING);
                    }

                }

                if (testDataRows >= 3) {
                    break; // get out of the for loop - we have enough data points
                }
            } // if (val != null && val.length() > 0) 
        } // for i
    } // for j
}

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From source file:com.kk_electronic.kkportal.core.rpc.jsonformat.JsonString.java

License:Open Source License

@Override
public String fromJson(JSONValue jsonValue, List<Class<?>> subtypes, FrameEncoder<JSONValue> encoder)
        throws UnableToDeserialize {
    if (jsonValue.isNull() != null)
        return null;
    JSONString jsonString = jsonValue.isString();
    if (jsonString == null)
        throw new UnableToDeserialize("Expected json String");
    return jsonString.stringValue();
}

---

From source file:com.kk_electronic.kkportal.core.rpc.SimpleEncoder.java

License:Open Source License

private static Object convert(JSONValue y, ObjectHelper objectHelper) {
    if (y.isArray() != null)
        return convert(y.isArray(), objectHelper);
    if (y.isObject() != null)
        return convert(y.isObject(), objectHelper);
    if (y.isBoolean() != null)
        return y.isBoolean().booleanValue();
    if (y.isString() != null)
        return y.isString().stringValue();
    if (y.isNumber() != null)
        return y.isNumber().doubleValue();
    if (y.isNull() != null)
        return null;
    throw new RuntimeException("Could not convert");
}

---

From source file:com.kk_electronic.kkportal.core.rpc.SimpleEncoder.java

License:Open Source License

@SuppressWarnings("unchecked")
private <T> T decodeFromJson(List<Class<?>> resultSubTypes, JSONValue jsonvalue) {
    if (jsonvalue == null || jsonvalue.isNull() != null)
        return null;
    Class<?> target = resultSubTypes.get(0);
    if (target == List.class) {
        List<T> list = new ArrayList<T>();
        JSONArray ja = jsonvalue.isArray();
        for (int i = 0, l = ja.size(); i < l; i++) {
            list.add((T) decodeFromJson(resultSubTypes.subList(1, resultSubTypes.size()), ja.get(i)));
        }/*  w w  w. ja va2  s  .  c o m*/
        return (T) list;
    }
    if (target == Map.class) {
        if (resultSubTypes.get(1) == String.class) {
            Map<String, Object> map = new HashMap<String, Object>();
            JSONObject jo = jsonvalue.isObject();
            for (String key : jo.keySet()) {
                map.put(key, decodeFromJson(resultSubTypes.subList(2, resultSubTypes.size()), jo.get(key)));
            }
            return (T) map;
        }
    }
    if (target == Response.class) {
        JSONObject jo = jsonvalue.isObject();
        return (T) new ResponseDTO(jo);
    }
    if (target == String.class) {
        return (T) jsonvalue.isString().stringValue();
    }
    if (target == TabInfo.class) {
        return (T) new TabInfoDTO(jsonvalue.isObject());
    }
    if (target == ModuleInfo.class) {
        return (T) new ModuleInfoDTO(jsonvalue.isObject());
    }
    if (target == Object.class) {
        return (T) jsonvalue;
    }
    GWT.log("DECODING-Can't convert type " + target.getName());
    return null;
}

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