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/*
 * Copyright 2017 Async-IO.org
 *
 * 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 org.atmosphere.sockjs;

import java.io.UnsupportedEncodingException;

public class IFrameUtils {

    public static byte[] generateIFrame(String origin) {
        StringBuilder b = new StringBuilder();
        b.append("\n").append(
                "\n").append(
                "\n").append(
                "  \n").append(
                "  \n").append(
                "  \n").append(
                "  \n").append(
                "\n").append(
                "\n").append(
                "  Don't panic!\n").append(
                "  This is a SockJS hidden iframe. It's used for cross domain magic.\n").append(
                "\n").append(
                "");
        try {
            return b.toString().getBytes("UTF-8");
        } catch (UnsupportedEncodingException e) {
            return b.toString().getBytes();
        }
    }

    public static byte[] generateHtmlFile(String callback) {
        StringBuilder b = new StringBuilder();
        b.append("\n").append(
                "\n").append(
                "  \n").append(
                "  \n").append(
                "Don't panic!\n").append(
                "  ");

        try {
            return b.toString().getBytes("UTF-8");
        } catch (UnsupportedEncodingException e) {
            return b.toString().getBytes();
        }

    }


}