com.google.gwt.corp.localstorage.LocalStorage.java Source code

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Here is the source code for com.google.gwt.corp.localstorage.LocalStorage.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 com.google.gwt.corp.localstorage;

import jake2.qcommon.Compatibility;

import java.io.IOException;

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

public class LocalStorage {

    public static String getItem(String key) throws IOException {
        try {
            return getItemImpl(key);
        } catch (JavaScriptException e) {
            Compatibility.printStackTrace(e);
            throw new IOException("" + e);
        }
    }

    public static String key(int index) throws IOException {
        try {
            return keyImpl(index);
        } catch (JavaScriptException e) {
            Compatibility.printStackTrace(e);
            throw new IOException("" + e);
        }
    }

    public static int length() throws IOException {
        try {
            return lengthImpl();
        } catch (JavaScriptException e) {
            Compatibility.printStackTrace(e);
            throw new IOException("" + e);
        }
    }

    public static void removeItem(String key) throws IOException {
        try {
            removeItemImpl(key);
        } catch (JavaScriptException e) {
            Compatibility.printStackTrace(e);
            throw new IOException("" + e);
        }
    }

    public static void setItem(String key, String value) throws IOException {
        try {
            setItemImpl(key, value);
        } catch (JavaScriptException e) {
            Compatibility.printStackTrace(e);
            throw new IOException("" + e);
        }
    }

    private native static String getItemImpl(String key) /*-{
                                                         return $wnd.localStorage.getItem(key);
                                                         }-*/;

    private native static String keyImpl(int index) /*-{
                                                    return $wnd.localStorage.key(index);
                                                    }-*/;

    public native static int lengthImpl() /*-{
                                          return $wnd.localStorage.length;
                                          }-*/;

    public native static void setItemImpl(String key, String value) /*-{
                                                                    $wnd.localStorage.setItem(key, value);
                                                                    }-*/;

    public native static void removeItemImpl(String key) /*-{
                                                         $wnd.localStorage.removeItem(key);
                                                         }-*/;
}