org.s23m.cell.editor.semanticdomain.ui.components.FileReceiver.java Source code

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Here is the source code for org.s23m.cell.editor.semanticdomain.ui.components.FileReceiver.java

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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is S23M.
 *
 * The Initial Developer of the Original Code is
 * The S23M Foundation.
 * Portions created by the Initial Developer are
 * Copyright (C) 2012 The S23M Foundation.
 * All Rights Reserved.
 *
 * Contributor(s):
 * Chul Kim
 * ***** END LICENSE BLOCK ***** */

package org.s23m.cell.editor.semanticdomain.ui.components;

import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.lang.ArrayUtils;
import org.s23m.cell.serialization.serializer.SerializationType;
import org.s23m.cell.serialization.serializer.SerializerHolder;

import com.vaadin.ui.Upload.Receiver;

@SuppressWarnings("serial")
public class FileReceiver implements Receiver {

    final List<Byte> byteList;

    public FileReceiver() {
        this.byteList = new ArrayList<Byte>();
    }

    public void clearCache() {
        byteList.clear();
    }

    public String getBase64ContentString() {
        final Byte[] bytes = byteList.toArray(new Byte[byteList.size()]);
        return SerializerHolder.getS23MInstanceSerializer(SerializationType.XML)
                .encodeByteArrayInBase64(ArrayUtils.toPrimitive(bytes));
    }

    public OutputStream receiveUpload(final String filename, final String mimeType) {
        return new OutputStream() {
            @Override
            public void write(final int b) throws IOException {
                byteList.add((byte) b);
            }
        };
    }

}