ImageCropperBean.java

/*
 * Copyright 2009 Prime Technology.
 *
 * 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 org.primefaces.examples.view;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;

import javax.faces.context.FacesContext;
import javax.imageio.stream.FileImageOutputStream;
import javax.servlet.ServletContext;

import org.primefaces.model.CroppedImage;

public class ImageCropperBean {
	
	private CroppedImage croppedImage;
	
	private String newImageName;

	public CroppedImage getCroppedImage() {
		return croppedImage;
	}

	public void setCroppedImage(CroppedImage croppedImage) {
		this.croppedImage = croppedImage;
	}

	public String crop() {
		if(croppedImage == null)
			return null;
		
		setNewImageName(getRandomImageName());
		ServletContext servletContext = (ServletContext) FacesContext.getCurrentInstance().getExternalContext().getContext();
		String newFileName = servletContext.getRealPath("") + File.separator + "images" + File.separator + "barca" + File.separator + getNewImageName() + ".jpg";
		
		FileImageOutputStream imageOutput;
		try {
			imageOutput = new FileImageOutputStream(new File(newFileName));
			imageOutput.write(croppedImage.getBytes(), 0, croppedImage.getBytes().length);
			imageOutput.close();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		
		return null;
	}
	
	private String getRandomImageName() {
		int i = (int) (Math.random() * 100000);
		
		return String.valueOf(i);
	}
	
	public String getNewImageName() {
		return newImageName;
	}

	public void setNewImageName(String newImageName) {
		this.newImageName = newImageName;
	}
}