com.maydesk.base.util.ByteArrayImageReference.java Source code

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Here is the source code for com.maydesk.base.util.ByteArrayImageReference.java

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/* This file is part of the MayDesk project.
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 * 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.*/

package com.maydesk.base.util;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.OutputStream;

import nextapp.echo.app.ApplicationInstance;
import nextapp.echo.app.Extent;
import nextapp.echo.app.StreamImageReference;

import org.apache.commons.io.IOUtils;

/**
 * @author Alejandro Salas
 */
public class ByteArrayImageReference extends StreamImageReference {

    private byte[] data;
    private String contentType;
    private String id = ApplicationInstance.generateSystemId();
    private int size;

    public ByteArrayImageReference(byte[] data, String contentType, int size) {
        this.data = data;
        this.contentType = contentType;
        this.size = size;
    }

    @Override
    public String getContentType() {
        return contentType;
    }

    @Override
    public void render(OutputStream out) throws IOException {
        try {
            IOUtils.copy(new ByteArrayInputStream(data), out);
            out.flush();
            out.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    @Override
    public String getRenderId() {
        return id;
    }

    @Override
    public Extent getHeight() {
        return new Extent(size);
    }

    @Override
    public Extent getWidth() {
        return new Extent(size);
    }
}