elemental.js.util.JsArrayOfString.java Source code

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Here is the source code for elemental.js.util.JsArrayOfString.java

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/*
 * Copyright 2010 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 elemental.js.util;

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

import elemental.util.ArrayOfString;
import elemental.util.CanCompareString;

/**
 * JavaScript native implementation of {@link ArrayOfString}.
 */
public final class JsArrayOfString extends JsArrayString implements ArrayOfString {

    /**
     * Create a new empty instance.
     */
    public static JsArrayOfString create() {
        return JavaScriptObject.createArray().cast();
    }

    protected JsArrayOfString() {
    }

    public native JsArrayOfString concat(ArrayOfString values) /*-{
                                                               return this.concat(values);
                                                               }-*/;

    public boolean contains(String value) {
        return indexOf(value) != -1;
    }

    public native int indexOf(String value) /*-{
                                            return this.indexOf(value);
                                            }-*/;

    public native void insert(int index, String value) /*-{
                                                       this.splice(index, 0, value);
                                                       }-*/;

    public boolean isEmpty() {
        return JsArrayOf.isEmpty(this);
    }

    public native String peek() /*-{
                                return this[this.length - 1];
                                }-*/;

    public native String pop() /*-{
                               return this.pop();
                               }-*/;

    public void remove(String value) {
        final int index = indexOf(value);
        if (index != -1) {
            splice(index, 1);
        }
    }

    public void removeByIndex(int index) {
        splice(index, 1);
    }

    public native void sort() /*-{
                              this.sort();
                              }-*/;

    public native void sort(CanCompareString comparator) /*-{
                                                         this.sort(function(a, b) {
                                                         return comparator.@elemental.util.CanCompareString::compare(Ljava/lang/String;Ljava/lang/String;)(a, b);
                                                         });
                                                         }-*/;

    public JsArrayOfString splice(int index, int count) {
        return JsArrayOf.splice(this, index, count);
    }
}