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/**
 * The MIT License (MIT)
 *
 * Copyright (C) 2013-2016 tarent solutions GmbH
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package org.osiam.resources.data;

import org.osiam.resources.exception.SCIMDataValidationException;

import java.io.IOException;
import java.io.InputStream;
import java.net.URI;

/**
 * A URI of the form data:image/[image extension][;base64],
 */
public class ImageDataURI extends DataURI {

    public static final String IMAGE_MIME_TYPE = "data:image/";

    /**
     * @param imageUri A String presenting a URI of the form data:image/[image extension][;base64],
     * @throws SCIMDataValidationException If the given string violates RFC 2396, as augmented by the above deviations
     */
    public ImageDataURI(String imageUri) {
        super(imageUri);
        if (!super.toString().startsWith(IMAGE_MIME_TYPE)) {
            throw new SCIMDataValidationException("The given URI '" + imageUri
                    + "' is not a image data URI.");
        }
    }

    /**
     * @param imageUri A URI of the form data:image/[image extension][;base64],
     * @throws SCIMDataValidationException if the URI doesn't expects the schema
     */
    public ImageDataURI(URI imageUri) {
        super(imageUri);
        if (!super.toString().startsWith(IMAGE_MIME_TYPE)) {
            throw new SCIMDataValidationException("The given URI '" + imageUri.toString()
                    + "' is not a image data URI.");
        }
    }

    /**
     * @param inputStream a inputStream which will be transformed into an DataURI
     * @throws IOException                 if the stream can not be read
     * @throws SCIMDataValidationException if the inputStream can't be converted into an URI
     */
    public ImageDataURI(InputStream inputStream) throws IOException {
        super(inputStream);
        if (!super.toString().startsWith(IMAGE_MIME_TYPE)) {
            throw new SCIMDataValidationException("The given input stream is not an image.");
        }
    }

}