/*
* JSONArrayBuilder.java
*
* Copyright (C) 2009-17 by RStudio, Inc.
*
* Unless you have received this program directly from RStudio pursuant
* to the terms of a commercial license agreement with RStudio, then
* this program is licensed to you under the terms of version 3 of the
* GNU Affero General Public License. This program is distributed WITHOUT
* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
*
*/
package org.rstudio.studio.client.common;
import com.google.gwt.core.client.JsArrayString;
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.JSONString;
import com.google.gwt.json.client.JSONValue;
public class JSONArrayBuilder
{
public JSONArrayBuilder()
{
array_ = new JSONArray();
index_ = 0;
}
public final JSONArray get()
{
return array_;
}
public final JSONArrayBuilder add(String value)
{
append(fromString(value));
return this;
}
public final JSONArrayBuilder add(boolean value)
{
append(JSONBoolean.getInstance(value));
return this;
}
public final JSONArrayBuilder add(int value)
{
append(new JSONNumber(value));
return this;
}
public final JSONArrayBuilder add(double value)
{
append(new JSONNumber(value));
return this;
}
public final JSONArrayBuilder add(JsArrayString value)
{
JSONArray array = new JSONArray();
for (int i = 0, n = value.length(); i < n; i++)
array.set(i, fromString(value.get(i)));
append(array);
return this;
}
private final JSONValue fromString(String value)
{
return (value == null)
? JSONNull.getInstance()
: new JSONString(value);
}
private final void append(JSONValue value)
{
array_.set(index_++, value);
}
private final JSONArray array_;
private int index_;
}