colt.json.gwt.client.UJsonClient.java Source code

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Here is the source code for colt.json.gwt.client.UJsonClient.java

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/*
 * UJsonClient.java.java
 *
 * Created on 03-11-2010 07:08:42 PM
 *
 * Copyright 2010 Jonathan Colt
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package colt.json.gwt.client;

import com.google.gwt.json.client.JSONArray;
import com.google.gwt.json.client.JSONBoolean;
import com.google.gwt.json.client.JSONNull;
import com.google.gwt.json.client.JSONNumber;
import com.google.gwt.json.client.JSONObject;
import com.google.gwt.json.client.JSONString;
import com.google.gwt.json.client.JSONValue;

public class UJsonClient {

    static public void add(JSONObject _o, String _key, String _string) {
        if (_string != null)
            _o.put(_key, new JSONString(_string));
        else
            _o.put(_key, JSONNull.getInstance());
    }

    static public void add(JSONObject _o, String _key, long _long) {
        _o.put(_key, new JSONNumber(_long));
    }

    static public void add(JSONObject _o, String _key, double _double) {
        _o.put(_key, new JSONNumber(_double));
    }

    static public void add(JSONObject _o, String _key, boolean _boolean) {
        _o.put(_key, JSONBoolean.getInstance(_boolean));
    }

    static public String getString(JSONObject _o, String _key, String _default) {
        JSONValue v = _o.get(_key);
        if (v == null)
            return _default;
        if (v.isString() == null)
            return _default;
        return v.isString().stringValue();
    }

    static public long getLong(JSONObject _o, String _key, long _default) {
        JSONValue v = _o.get(_key);
        if (v.isNumber() == null)
            return _default;
        return (long) v.isNumber().doubleValue();
    }

    static public double getDouble(JSONObject _o, String _key, double _default) {
        JSONValue v = _o.get(_key);
        if (v.isNumber() == null)
            return _default;
        return v.isNumber().doubleValue();
    }

    static public boolean getBoolean(JSONObject _o, String _key, boolean _default) {
        JSONValue v = _o.get(_key);
        if (v == null)
            return _default;
        if (v.isBoolean() == null)
            return _default;
        return v.isBoolean().booleanValue();
    }

    static public JSONArray getArray(JSONObject _o, String _key, JSONArray _default) {
        JSONValue v = _o.get(_key);
        if (v == null)
            return _default;
        if (v.isArray() == null)
            return _default;
        return v.isArray();
    }

}