elemental.js.util.JsMapFromIntTo Maven / Gradle / Ivy
/*
* 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 elemental.util.MapFromIntTo;
/**
* JavaScript native implementation of {@link MapFromIntTo}.
*/
public final class JsMapFromIntTo extends JavaScriptObject implements MapFromIntTo {
/**
* Create a new empty map instance.
*/
public static JsMapFromIntTo create() {
return JavaScriptObject.createArray().cast();
}
protected JsMapFromIntTo() {
}
public native V get(int key) /*-{
return this[key];
}-*/;
final static native boolean hasKey(JavaScriptObject map, int key) /*-{
return map[key] !== undefined;
}-*/;
final static native void remove(JavaScriptObject map, int key) /*-{
delete map[key];
}-*/;
final static native JsArrayOfInt keys(JavaScriptObject map) /*-{
var data = [];
for (var p in map) {
var key = parseInt(p);
if (!isNaN(key)) {
data.push(key);
}
}
return data;
}-*/;
final public boolean hasKey(int key) {
return hasKey(this, key);
}
final public JsArrayOfInt keys() {
return keys(this);
}
public native void put(int key, V value) /*-{
this[key] = value;
}-*/;
final public void remove(int key) {
remove(this, key);
}
final public JsArrayOf values() {
return JsMapFromStringTo.values(this);
}
}