com.parabay.client.gears.Utils.java Source code

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Here is the source code for com.parabay.client.gears.Utils.java

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/*
 * Copyright 2008 Google Inc.
 * 
 * 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 com.parabay.client.gears;

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

/**
 * A utility class for moving arrays between Java and JavaScript.
 */
public class Utils {
    /**
     * Converts a JavaScript array of strings to a Java array of strings.
     */
    public static String[] toJavaArray(JsArrayString jsArray) {
        String[] urls = new String[jsArray.length()];
        for (int i = 0; i < jsArray.length(); i++) {
            urls[i] = jsArray.get(i);
        }
        return urls;
    }

    /**
     * Converts a Java array of strings to a JavaScript array of strings.
     */
    public static JsArrayString toJavaScriptArray(String[] elements) {
        JsArrayString array = JavaScriptObject.createArray().cast();
        if (null != elements) {
            for (int i = 0; i < elements.length; ++i) {
                array.set(i, elements[i]);
            }
        }
        return array;
    }
}