com.ocs.dynamo.ui.component.DefaultEmbedded.java Source code

Introduction

Here is the source code for com.ocs.dynamo.ui.component.DefaultEmbedded.java

Source

/*
   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 com.ocs.dynamo.ui.component;

import java.io.ByteArrayInputStream;
import java.io.InputStream;

import com.vaadin.server.StreamResource;
import com.vaadin.server.StreamResource.StreamSource;
import com.vaadin.ui.Embedded;

/**
 * An embedded component that is initialized using a byte array and that can be used to display an
 * image
 * 
 * @author bas.rutten
 */
@SuppressWarnings("serial")
public class DefaultEmbedded extends Embedded {

    private static final long serialVersionUID = 4282321844504066376L;

    /**
     * Constructor
     * 
     * @param caption
     *            the caption of the component
     * @param bytes
     *            the bytes that represent the
     */
    public DefaultEmbedded(String caption, final byte[] bytes) {
        super(caption);
        if (bytes != null) {
            setSource(new StreamResource(new StreamSource() {

                @Override
                public InputStream getStream() {
                    return new ByteArrayInputStream(bytes);
                }

            }, System.nanoTime() + ".png"));
        }
    }

}