Upload com JSF

/*
 * Page1.java
 *
 * Created on 2 de Maio de 2007, 09:26
 * Copyright cassio
 */
package webTeste;

import com.sun.rave.web.ui.appbase.AbstractPageBean;
import com.sun.webui.jsf.component.Body;
import com.sun.webui.jsf.component.Button;
import com.sun.webui.jsf.component.Form;
import com.sun.webui.jsf.component.Head;
import com.sun.webui.jsf.component.Html;
import com.sun.webui.jsf.component.ImageComponent;
import com.sun.webui.jsf.component.Label;
import com.sun.webui.jsf.component.Link;
import com.sun.webui.jsf.component.MessageGroup;
import com.sun.webui.jsf.component.Page;
import com.sun.webui.jsf.component.StaticText;
import com.sun.webui.jsf.component.Upload;
import com.sun.webui.jsf.model.UploadedFile;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileWriter;
import javax.faces.FacesException;
import javax.servlet.ServletContext;
import org.apache.commons.fileupload.FileUpload;

/**
 * <p>Page bean that corresponds to a similarly named JSP page.  This
 * class contains component definitions (and initialization code) for
 * all components that you have defined on this page, as well as
 * lifecycle methods and event handlers where you may add behavior
 * to respond to incoming events.</p>
 */
public class Page1 extends AbstractPageBean {
    // <editor-fold defaultstate="collapsed" desc="Managed Component Definition">
    private int __placeholder;
    
    /**
     * <p>Automatically managed component initialization.  <strong>WARNING:</strong>
     * This method is automatically generated, so any user-specified code inserted
     * here is subject to being replaced.</p>
     */
    private void _init() throws Exception {
    }
    
    private Page page1 = new Page();
    
    public Page getPage1() {
        return page1;
    }
    
    public void setPage1(Page p) {
        this.page1 = p;
    }
    
    private Html html1 = new Html();
    
    public Html getHtml1() {
        return html1;
    }
    
    public void setHtml1(Html h) {
        this.html1 = h;
    }
    
    private Head head1 = new Head();
    
    public Head getHead1() {
        return head1;
    }
    
    public void setHead1(Head h) {
        this.head1 = h;
    }
    
    private Link link1 = new Link();
    
    public Link getLink1() {
        return link1;
    }
    
    public void setLink1(Link l) {
        this.link1 = l;
    }
    
    private Body body1 = new Body();
    
    public Body getBody1() {
        return body1;
    }
    
    public void setBody1(Body b) {
        this.body1 = b;
    }
    
    private Form form1 = new Form();
    
    public Form getForm1() {
        return form1;
    }
    
    public void setForm1(Form f) {
        this.form1 = f;
    }
    
    private Upload fileUpload1 = new Upload();
    
    public Upload getFileUpload1() {
        return fileUpload1;
    }
    
    public void setFileUpload1(Upload u) {
        this.fileUpload1 = u;
    }
    
    private Label label1 = new Label();
    
    public Label getLabel1() {
        return label1;
    }
    
    public void setLabel1(Label l) {
        this.label1 = l;
    }
    
    private StaticText staticText1 = new StaticText();
    
    public StaticText getStaticText1() {
        return staticText1;
    }
    
    public void setStaticText1(StaticText st) {
        this.staticText1 = st;
    }
    
    private StaticText staticText2 = new StaticText();
    
    public StaticText getStaticText2() {
        return staticText2;
    }
    
    public void setStaticText2(StaticText st) {
        this.staticText2 = st;
    }
    
    private StaticText staticText3 = new StaticText();
    
    public StaticText getStaticText3() {
        return staticText3;
    }
    
    public void setStaticText3(StaticText st) {
        this.staticText3 = st;
    }
    
    private StaticText lblNomeArq = new StaticText();
    
    public StaticText getLblNomeArq() {
        return lblNomeArq;
    }
    
    public void setLblNomeArq(StaticText st) {
        this.lblNomeArq = st;
    }
    
    private StaticText lblTipoArq = new StaticText();
    
    public StaticText getLblTipoArq() {
        return lblTipoArq;
    }
    
    public void setLblTipoArq(StaticText st) {
        this.lblTipoArq = st;
    }
    
    private StaticText lblTamanhoArq = new StaticText();
    
    public StaticText getLblTamanhoArq() {
        return lblTamanhoArq;
    }
    
    public void setLblTamanhoArq(StaticText st) {
        this.lblTamanhoArq = st;
    }
    
    private Button button1 = new Button();
    
    public Button getButton1() {
        return button1;
    }
    
    public void setButton1(Button b) {
        this.button1 = b;
    }
    
    private ImageComponent image1 = new ImageComponent();
    
    public ImageComponent getImage1() {
        return image1;
    }
    
    public void setImage1(ImageComponent ic) {
        this.image1 = ic;
    }
    
    private MessageGroup msgSystem = new MessageGroup();
    
    public MessageGroup getMsgSystem() {
        return msgSystem;
    }
    
    public void setMsgSystem(MessageGroup mg) {
        this.msgSystem = mg;
    }
    
    // </editor-fold>
    
    
    private String realImageFilePath;
    private static String IMAGE_URL = "/resources/uploads/";
    private  ServletContext theApplicationsServletContext ;
    /**
     * <p>Construct a new Page bean instance.</p>
     */
    public Page1() {
    }
    
    /**
     * <p>Callback method that is called whenever a page is navigated to,
     * either directly via a URL, or indirectly via page navigation.
     * Customize this method to acquire resources that will be needed
     * for event handlers and lifecycle methods, whether or not this
     * page is performing post back processing.</p>
     *
     * <p>Note that, if the current request is a postback, the property
     * values of the components do <strong>not</strong> represent any
     * values submitted with this request.  Instead, they represent the
     * property values that were saved for this view when it was rendered.</p>
     */
    public void init() {
        // Perform initializations inherited from our superclass
        super.init();
        // Perform application initialization that must complete
        // *before* managed components are initialized
        // TODO - add your own initialiation code here
        
        // <editor-fold defaultstate="collapsed" desc="Managed Component Initialization">
        // Initialize automatically managed components
        // *Note* - this logic should NOT be modified
        try {
            _init();
        } catch (Exception e) {
            log("Page1 Initialization Failure", e);
            throw e instanceof FacesException ? (FacesException) e: new FacesException(e);
        }
        
        // </editor-fold>
        // Perform application initialization that must complete
        // *after* managed components are initialized
        // TODO - add your own initialization code here
        
       theApplicationsServletContext =
                (ServletContext) this.getExternalContext().getContext();
    }
    
    /**
     * <p>Callback method that is called after the component tree has been
     * restored, but before any event processing takes place.  This method
     * will <strong>only</strong> be called on a postback request that
     * is processing a form submit.  Customize this method to allocate
     * resources that will be required in your event handlers.</p>
     */
    public void preprocess() {
    }
    
    /**
     * <p>Callback method that is called just before rendering takes place.
     * This method will <strong>only</strong> be called for the page that
     * will actually be rendered (and not, for example, on a page that
     * handled a postback and then navigated to a different page).  Customize
     * this method to allocate resources that will be required for rendering
     * this page.</p>
     */
    public void prerender() {
        String uploadedFileName = (String)
        this.lblNomeArq.getValue();
        if ( uploadedFileName != null ) {
            image1.setUrl(IMAGE_URL);
        }
    }
    
    /**
     * <p>Callback method that is called after rendering is completed for
     * this request, if <code>init()</code> was called (regardless of whether
     * or not this was the page that was actually rendered).  Customize this
     * method to release resources acquired in the <code>init()</code>,
     * <code>preprocess()</code>, or <code>prerender()</code> methods (or
     * acquired during execution of an event handler).</p>
     */
    public void destroy() {
    }
    
    /**
     * <p>Retornar uma referência para o Bean de dados limitados.</p>
     */
    protected SessionBean1 getSessionBean1() {
        return (SessionBean1)getBean("SessionBean1");
    }
    
    /**
     * <p>Retornar uma referência para o Bean de dados limitados.</p>
     */
    protected RequestBean1 getRequestBean1() {
        return (RequestBean1)getBean("RequestBean1");
    }
    
    /**
     * <p>Retornar uma referência para o Bean de dados limitados.</p>
     */
    protected ApplicationBean1 getApplicationBean1() {
        return (ApplicationBean1)getBean("ApplicationBean1");
    }
    
    public String button1_action() {
        // TODO: Processe a ação. O valor de retorno é um nome de caso
        // de navegação em que nulo fará retornar para a mesma página.
        
        UploadedFile uploadedFile = fileUpload1.getUploadedFile();
        String uploadedFileName = uploadedFile.getOriginalName();
        // Some browsers return complete path name, some don't
        // Make sure we only have the file name
        // First, try forward slash
        int index = uploadedFileName.lastIndexOf('/');
        String justFileName;
        if ( index >= 0) {
            justFileName = uploadedFileName.substring( index + 1 );
        } else {
            // Try backslash
            index = uploadedFileName.lastIndexOf('\\');
            if (index >= 0) {
                justFileName = uploadedFileName.substring( index + 1 );
            } else {
                // No forward or back slashes
                justFileName = uploadedFileName;
            }
        }
        this.lblNomeArq.setValue(justFileName);
        Long uploadedFileSize = new Long(uploadedFile.getSize());
        this.lblTamanhoArq.setValue(uploadedFileSize);
        String uploadedFileType = uploadedFile.getContentType();
        this.lblTipoArq.setValue(uploadedFileType);
        if ( uploadedFileType.equals("image/jpeg")
        || uploadedFileType.equals("image/pjpeg")
        || uploadedFileType.equals("image/gif")
        || uploadedFileType.equals("image/png")
        || uploadedFileType.equals("image/x-png")) {
            try {               
                String realPath = theApplicationsServletContext.getRealPath("/resources/uploads");
                File file = new File(realPath + File.separatorChar + justFileName );
                IMAGE_URL="/resources/uploads/".concat( justFileName );
                uploadedFile.write(file);
            } catch (Exception ex) {
                error("Cannot upload file: " + justFileName);
                ex.printStackTrace();
            }
        } else {
            error("You must upload a JPEG, PJPEG, GIF, PNG, or X-PNG file.");
           // new File(this.realImageFilePath).delete();
        }
        return null;
    }
}