org.rstudio.core.client.JsArrayUtil.java Source code

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Here is the source code for org.rstudio.core.client.JsArrayUtil.java

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/*
 * JsArrayUtil.java
 *
 * Copyright (C) 2009-15 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.core.client;

import java.util.ArrayList;
import java.util.List;

import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.core.client.JsArrayString;

public class JsArrayUtil {
    public static boolean jsArrayStringContains(JsArrayString haystack, String needle) {
        for (int i = 0; i < haystack.length(); i++) {
            if (haystack.get(i).equals(needle))
                return true;
        }
        return false;
    }

    public static final native <T extends JavaScriptObject> T jsFindInCollection(JsArray<T> haystack,
            String property, String needle) /*-{
                                            for (var i = 0; i < haystack.length; i++)
                                            {
                                            if (haystack[i][property] === needle)
                                            return haystack[i];
                                            }
                                            return null;
                                            }-*/;

    public static <T extends JavaScriptObject> void fillList(JsArray<T> jsArray, List<T> list) {
        for (int i = 0; i < jsArray.length(); ++i) {
            list.add(jsArray.get(i));
        }
    }

    public static JsArrayString toJsArrayString(List<String> in) {
        JsArrayString out = JavaScriptObject.createArray().cast();
        for (int i = 0; i < in.size(); i++) {
            out.push(in.get(i));
        }
        return out;
    }

    public static ArrayList<String> fromJsArrayString(JsArrayString in) {
        ArrayList<String> out = new ArrayList<String>();
        for (int i = 0; i < in.length(); i++) {
            out.add(in.get(i));
        }
        return out;
    }
}