Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright (C) 2013 The Android Open Source Project
 *
 * 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.
 */

import java.io.UnsupportedEncodingException;

public class Main {
    private static final int XMP_HEADER_SIZE = 29;
    private static final String XMP_HEADER = "http://ns.adobe.com/xap/1.0/\0";

    /**
     * Checks whether the byte array has XMP header. The XMP section contains
     * a fixed length header XMP_HEADER.
     *
     * @param data Xmp metadata.
     */
    private static boolean hasXMPHeader(byte[] data) {
        if (data.length < XMP_HEADER_SIZE) {
            return false;
        }
        try {
            byte[] header = new byte[XMP_HEADER_SIZE];
            System.arraycopy(data, 0, header, 0, XMP_HEADER_SIZE);
            if (new String(header, "UTF-8").equals(XMP_HEADER)) {
                return true;
            }
        } catch (UnsupportedEncodingException e) {
            return false;
        }
        return false;
    }
}