How to store an image into MySQL db using BlazeDS and Hibernate?

Hi!
I am using Flash Builder 4.6, BlazeDS, and Hibernate. How to store a webcam snapshot into the MySql Database. I stored Form Items by using RemoteObject into the database. But I failed to store webcam snapshot. I captured that image on Panel component.I converted that image to ByteArray. Now I want to save that image into the database. Please help me in this regard.
thanks in advance.
Here the Code:
VisitorEntryForm.mxml
<?xml version="1.0" encoding="utf-8"?>
<mx:TitleWindow
 xmlns:mx="http://www.adobe.com/2006/mxml"
 xmlns:vo="com.visitor.vo.*"
 width="600"
 height="300"
 defaultButton="{submitButton}"
 showCloseButton="true"
 creationComplete="creationCompleteHandler();"
 close="PopUpManager.removePopUp(this);"
 title="Visitor Entry Form" xmlns:text="flash.text.*">
 <mx:RemoteObject id="saveService" destination="visitorService" result="handleSaveResult(event)" fault="handleFault(event)" showBusyCursor="true" />
 <vo:Visitor id="visitor"
 vType="{vTypeField.text}"
 vPurpose="{vPurposeField.text}"
 vName="{vNameField.text}"
 vAddress="{vAddressField.text}"
 cPerson="{cPersonField.text}"
 cAddress="{cAddressField.text}"
 />
 <mx:Script>
 <![CDATA[
 import mx.managers.PopUpManager;
 import flash.media.Camera;
 import com.visitor.vo.WebCam;
 import com.visitor.vo.Base64;
 import mx.core.UIComponent;
 import mx.graphics.codec.JPEGEncoder;
 import mx.controls.Alert;
 import mx.containers.Canvas;
 import mx.rpc.events.ResultEvent;
 import mx.rpc.events.FaultEvent;
 import mx.events.ValidationResultEvent;
 import mx.validators.Validator;
 [Bindable]
 private var webCam: com.visitor.vo.WebCam;
 [Bindable]
 private var message:String;
 [Bindable]
 private var formIsValid:Boolean = false;
 [Bindable]
 public var formIsEmpty:Boolean;
 private var focussedFormControl:DisplayObject;
 private function handleSaveResult(ev:ResultEvent):void {
 clearFormHandler();
 validateForm(ev);
 Alert.show("Visitor successfully created/updated.", "Information", Alert.OK, null, null, null, Alert.OK);
 // Reload the list.
 parentApplication.listConsultants.loaderService.getConsultants();
 PopUpManager.removePopUp(this);
 private function handleFault(ev:FaultEvent):void {
 message = "Error: " + ev.fault.faultCode + " \n "
 + "Detail: " + ev.fault.faultDetail + " \n "
 + "Message: " + ev.fault.faultString;
 public function saveVisitor():void {
 saveService.addUpdateVisitor(visitor);
 private function creationCompleteHandler():void {
 init();
 PopUpManager.centerPopUp(this);
 resetFocus();
 private function resetFocus():void {
 focusManager.setFocus(vTypeField);
 public function validateForm(event:Event):void {
 focussedFormControl = event.target as DisplayObject;
 formIsValid = true;
 // Check if form is empty
 formIsEmpty = (vTypeField.text == "" && vPurposeField.text == "" && vNameField.text == "" && vAddressField.text == "" && cPersonField.text == "" && cAddressField.text == "");
 validate(vTypeValidator);
 validate(vPurposeValidator);
 validate(vNameValidator);
 validate(vAddressValidator);
 validate(cPersonValidator);
 validate(cAddressValidator);
 private function validate(validator:Validator):Boolean {
 var validatorSource:DisplayObject = validator.source as DisplayObject;
 var suppressEvents:Boolean = (validatorSource != focussedFormControl);
 var event:ValidationResultEvent = validator.validate(null, suppressEvents);
 var currentControlIsValid:Boolean = (event.type == ValidationResultEvent.VALID);
 formIsValid = formIsValid && currentControlIsValid;
 return currentControlIsValid;
 private function clearFormHandler():void {
 // Clear all input fields.
 vTypeField.text = "";
 vPurposeField.text = "";
 vNameField.text = "";
 vAddressField.text = "";
 cPersonField.text = "";
 cAddressField.text = "";
 message = "";
 // Clear validation error messages.
 vTypeField.errorString = "";
 vPurposeField.errorString = "";
 vNameField.errorString = "";
 vAddressField.errorString = "";
 cPersonField.errorString = "";
 cAddressField.errorString = "";
 formIsEmpty = true;
 formIsValid = false;
 resetFocus();
 private function init():void {
 webCam = new WebCam(97,97);
 var ref:UIComponent = new UIComponent();
 preview.removeAllChildren();
 preview.addChild(ref);
 ref.addChild(webCam);
 private function takeSnapshot():void {
 imageViewer.visible = true;
 imageViewer.width = preview.width;
 imageViewer.height = preview.height;
 var uiComponent : UIComponent = new UIComponent();
 uiComponent.width = webCam.width;
 uiComponent.height = webCam.height;
 var photoData:Bitmap = webCam.getSnapshot();
 var photoBitmap:BitmapData = photoData.bitmapData;
 uiComponent.addChild(photoData);
 imageViewer.removeAllChildren();
 imageViewer.addChild(uiComponent);
 private function uploadSnapshot():void
 if (imageViewer.getChildren().length > 0)
 var uic:UIComponent = imageViewer.getChildAt(0) as UIComponent;
 var bitmap:Bitmap = uic.getChildAt(0) as Bitmap;
 var jpgEncoder:JPEGEncoder = new JPEGEncoder(75);
 var jpgBytes:ByteArray = jpgEncoder.encode(bitmap.bitmapData);
 private function deleteSnapshot():void
 imageViewer.removeAllChildren();
 ]]>
 </mx:Script>
 <mx:StringValidator id="vTypeValidator" source="{vTypeField}" property="text" minLength="2" required="true" />
 <mx:StringValidator id="vPurposeValidator" source="{vPurposeField}" property="text" minLength="2" required="true" />
 <mx:StringValidator id="vNameValidator" source="{vNameField}" property="text" minLength="2" required="true" />
 <mx:StringValidator id="vAddressValidator" source="{vAddressField}" property="text" minLength="5" required="true" />
 <mx:StringValidator id="cPersonValidator" source="{cPersonField}" property="text" minLength="2" required="true" />
 <mx:StringValidator id="cAddressValidator" source="{cAddressField}" property="text" minLength="5" required="true" />
 <mx:Grid width="575" height="211">
 <mx:GridRow width="575" height="211">
 <mx:GridItem width="301" height="235">
 <mx:Form width="301" height="208">
 <mx:FormItem label="Visitor's Type">
 <mx:ComboBox id="vTypeField" text="{visitor.vType}" change="validateForm(event);" editable="true">
 <mx:Array>
 <mx:String></mx:String>
 <mx:String>Contractor</mx:String>
 <mx:String>Supplier</mx:String>
 <mx:String>Transporter</mx:String>
 <mx:String>Plant</mx:String>
 <mx:String>Non-Plant</mx:String>
 </mx:Array>
 </mx:ComboBox>
 </mx:FormItem>
 <mx:FormItem label="Visit Purpose">
 <mx:ComboBox id="vPurposeField" text="{visitor.vPurpose}" change="validateForm(event);" editable="true">
 <mx:Array>
 <mx:String></mx:String>
 <mx:String>Official</mx:String>
 <mx:String>Personal</mx:String>
 </mx:Array>
 </mx:ComboBox>
 </mx:FormItem>
 <mx:FormItem label="Visitor's Name">
 <mx:TextInput id="vNameField" text="{visitor.vName}" change="validateForm(event);"/>
 </mx:FormItem>
 <mx:FormItem label="Address">
 <mx:TextInput id="vAddressField" text="{visitor.vAddress}" change="validateForm(event);"/>
 </mx:FormItem>
 <mx:FormItem label="Contact Person">
 <mx:TextInput id="cPersonField" text="{visitor.cPerson}" change="validateForm(event);"/>
 </mx:FormItem>
 <mx:FormItem label="Address">
 <mx:TextInput id="cAddressField" text="{visitor.cAddress}" change="validateForm(event);"/>
 </mx:FormItem>
 </mx:Form>
 </mx:GridItem>
 <mx:GridItem width="264" height="193">
 <mx:Grid width="241" height="206">
 <mx:GridRow width="100%" height="100%">
 <mx:GridItem width="100%" height="100%" horizontalAlign="center" verticalAlign="middle">
 <mx:Panel width="100" height="132" title="Snap" id="preview" layout="absolute"/>
 </mx:GridItem>
 <mx:GridItem width="100%" height="100%" horizontalAlign="center" verticalAlign="middle">
 <mx:Panel width="100" height="132" title="Preview" id="imageViewer" layout="absolute"/>
 </mx:GridItem>
 </mx:GridRow>
 <mx:GridRow width="100%" height="27" >
 <mx:GridItem width="100%" height="100%" horizontalAlign="center">
 <mx:Button id="snapshot" x="2" width="106" height="27" label="Snap"
 click="takeSnapshot();"/>
 </mx:GridItem>
 <mx:GridItem width="100%" height="100%" horizontalAlign="center">
 <mx:Button id="deleteButton" x="1" width="106" height="27" label="Delete"
 click="deleteSnapshot();"/>
 </mx:GridItem>
 </mx:GridRow>
 </mx:Grid>
 </mx:GridItem>
 </mx:GridRow>
 </mx:Grid>
 <mx:ControlBar height="40" horizontalAlign="center">
 <mx:Button label="Save Visitor" id="submitButton" enabled="{formIsValid}" click="saveVisitor();" />
 <mx:Button label="Clear form" enabled="{!formIsEmpty}" click="clearFormHandler();" />
 <mx:Button label="Cancel" click="PopUpManager.removePopUp(this);"/>
 <mx:Label width="211" id="state"/>
 </mx:ControlBar>
 <mx:Text text="{message}" fontWeight="bold" width="300"/>
</mx:TitleWindow>
ListVisitors.mxml
<?xml version="1.0" encoding="utf-8"?>
<mx:Panel
 xmlns:mx="http://www.adobe.com/2006/mxml"
 xmlns:view="com.visitor.view.*"
 width="100%"
 height="100%"
 title="Visitor Management System - Found {visitorRecords} visitors."
 creationComplete="loadVisitors();">
 <mx:RemoteObject id="loaderService" destination="visitorService" result="handleLoadResult(event)" fault="handleFault(event)" showBusyCursor="true" />
 <mx:RemoteObject id="deleteService" destination="visitorService" result="handleDeleteResult(event)" fault="handleFault(event)" showBusyCursor="true" />
 <mx:Script>
 <![CDATA[
 import com.visitor.vo.Visitor;
 import mx.controls.Alert;
 import mx.managers.PopUpManager;
 import mx.containers.TitleWindow;
 import mx.collections.ArrayCollection;
 import mx.rpc.events.ResultEvent;
 import mx.rpc.events.FaultEvent;
 [Bindable]
 private var message:String;
 [Bindable]
 private var visitors:ArrayCollection = new ArrayCollection();
 [Bindable]
 private var visitorRecords:int = 0;
 public function loadVisitors():void {
 loaderService.getVisitors();
 private function deleteVisitor():void {
 if(dataGrid.selectedItem != null) {
 var selectedItem:Visitor = dataGrid.selectedItem as Visitor;
 deleteService.deleteVisitor(selectedItem.visitorId);
 private function createVisitor():void {
 var titleWindow:VisitorEntryForm = VisitorEntryForm(PopUpManager.createPopUp(this, VisitorEntryForm, true));
 titleWindow.setStyle("borderAlpha", 0.9);
 titleWindow.formIsEmpty = true;
 private function updateVisitor():void {
 var titleWindow:VisitorEntryForm = VisitorEntryForm(PopUpManager.createPopUp(this, VisitorEntryForm, true));
 titleWindow.setStyle("borderAlpha", 0.9);
 titleWindow.visitor = dataGrid.selectedItem as Visitor;
 titleWindow.formIsEmpty = false;
 private function handleLoadResult(ev:ResultEvent):void {
 visitors = ev.result as ArrayCollection;
 visitorRecords = visitors.length;
 private function handleDeleteResult(ev:ResultEvent):void {
 Alert.show("The visitor has been deleted.", "Information", Alert.OK, null, null, null, Alert.OK);
 loadVisitors();
 private function handleFault(ev:FaultEvent):void {
 message = "Error: "
 + ev.fault.faultCode + " - "
 + ev.fault.faultDetail + " - "
 + ev.fault.faultString;
 ]]>
 </mx:Script>
 <mx:VBox width="100%" height="100%">
 <mx:Label text="{message}" fontWeight="bold" includeInLayout="false" />
 <mx:DataGrid
 id="dataGrid"
 width="100%"
 height="100%"
 dataProvider="{visitors}"
 doubleClickEnabled="true"
 doubleClick="updateVisitor()" >
 <mx:columns>
 <mx:DataGridColumn dataField="visitorId" headerText="Visitor ID" width="100"/>
 <mx:DataGridColumn dataField="vType" headerText="Visitor's Type" />
 <mx:DataGridColumn dataField="vPurpose" headerText="Visit Purpose" />
 <mx:DataGridColumn dataField="vName" headerText="Visitor's Name" />
 <mx:DataGridColumn dataField="vAddress" headerText="Visitor's Address" />
 <mx:DataGridColumn dataField="cPerson" headerText="Contact Person" />
 <mx:DataGridColumn dataField="cAddress" headerText="Contact Address" />
 <mx:DataGridColumn dataField="timeIn" headerText="Time-In" />
 <mx:DataGridColumn dataField="timeOut" headerText="Time-Out" />
 <mx:DataGridColumn dataField="vPhoto" headerText="Visitor's Photo" />
 </mx:columns>
 </mx:DataGrid>
 <mx:ControlBar horizontalAlign="center">
 <mx:Button label="Create Visitor" click="createVisitor()" toolTip="Create a new visitor and store it in the database." />
 <mx:Button label="Update Visitor" click="updateVisitor()" enabled="{dataGrid.selectedItem}" toolTip="Update an existing database visitor." />
 <mx:Button label="Delete Visitor" click="deleteVisitor()" enabled="{dataGrid.selectedItem}" toolTip="Delete the visitor from the database." />
 <mx:Button label="Reload Data" click="loadVisitors()" toolTip="Reload the visitor list from the database." />
 </mx:ControlBar>
 </mx:VBox>
</mx:Panel>
Visitor.as
package com.visitor.vo
 import mx.controls.Image;
 import spark.primitives.BitmapImage;
 [Bindable]
 [RemoteClass(alias="com.visitor.Visitor")]
 public class Visitor
 public function Visitor()
 public var visitorId:Number;
 public var vType:String;
 public var vPurpose:String;
 public var vName:String;
 public var vAddress:String;
 public var cPerson:String;
 public var cAddress:String;
 public var timeIn:Date;
 public var timeOut:Date;
 public var vPhoto: Image;
Visitor.java
package com.visitor;
import java.sql.Blob;
import java.sql.Timestamp;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;
import org.hibernate.annotations.Index;
@Entity
@Table(name = "visitors")
@NamedQueries( {
 @NamedQuery(name = "visitors.findAll", query = "from Visitor"),
 @NamedQuery(name = "visitors.byId", query = "select v from Visitor v where v.visitorId= :visitorId") })
public class Visitor {
 @Id
 @GeneratedValue(strategy = GenerationType.AUTO)
 @Column(name = "visitorId", nullable = false)
 private Long visitorId;
 @Basic
 @Index(name = "vType_idx_1")
 @Column(name = "vType", nullable = true, unique = false)
 private String vType;
 @Basic
 @Column(name = "vPurpose", nullable = true, unique = false)
 private String vPurpose;
 @Basic
 @Column(name = "vName", nullable = true, unique = false)
 private String vName;
 @Basic
 @Column(name = "vAddress", nullable = true, unique = false)
 private String vAddress;
 @Basic
 @Column(name = "cPerson", nullable = true, unique = false)
 private String cPerson;
 @Basic
 @Column(name = "cAddress", nullable = true, unique = false)
 private String cAddress;
 @Basic
 @Column(name = "timeIn", nullable = false, unique = false)
 private Timestamp timeIn;
 @Basic
 @Column(name = "timeOut", nullable = true, unique = false)
 private Timestamp timeOut;
 @Basic
 @Column(name = "vPhoto", nullable = true, unique = false)
 private Blob vPhoto;
 public Visitor() {
 super();
 public Long getVisitorId() {
 return visitorId;
 public void setVisitorId(Long visitorId) {
 this.visitorId = visitorId;
 public String getvType() {
 return vType;
 public void setvType(String vType) {
 this.vType = vType;
 public String getvPurpose() {
 return vPurpose;
 public void setvPurpose(String vPurpose) {
 this.vPurpose = vPurpose;
 public String getvName() {
 return vName;
 public void setvName(String vName) {
 this.vName = vName;
 public String getvAddress() {
 return vAddress;
 public void setvAddress(String vAddress) {
 this.vAddress = vAddress;
 public String getcPerson() {
 return cPerson;
 public void setcPerson(String cPerson) {
 this.cPerson = cPerson;
 public String getcAddress() {
 return cAddress;
 public void setcAddress(String cAddress) {
 this.cAddress = cAddress;
 public Timestamp getTimeIn() {
 return timeIn;
 public void setTimeIn(Timestamp timeIn) {
 this.timeIn = timeIn;
 public Timestamp getTimeOut() {
 return timeOut;
 public void setTimeOut(Timestamp timeOut) {
 this.timeOut = timeOut;
 public Blob getvPhoto() {
 return vPhoto;
 public void setvPhoto(Blob vPhoto) {
 this.vPhoto = vPhoto;
VisitorService.java
package com.visitor;
import java.sql.Timestamp;
import java.util.Date;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.EntityTransaction;
import javax.persistence.Persistence;
import javax.persistence.Query;
import org.apache.log4j.Logger;
public class VisitorService {
 private static final String PERSISTENCE_UNIT = "visitor_db";
 private static Logger logger = Logger.getLogger(VisitorService.class);
 public VisitorService() {
 super();
 public List<Visitor> getvisitors() {
 logger.debug("** getVisitors called...");
 EntityManagerFactory entityManagerFactory = Persistence
 .createEntityManagerFactory(PERSISTENCE_UNIT);
 EntityManager em = entityManagerFactory.createEntityManager();
 Query findAllQuery = em.createNamedQuery("visitors.findAll");
 List<Visitor> visitors = findAllQuery.getResultList();
 if (visitors != null)
 logger.debug("** Found " + visitors.size() + " records:");
 return visitors;
 public void addUpdateVisitor(Visitor visitor) throws Exception {
 logger.debug("** addUpdateVisitor called...");
 EntityManagerFactory emf = Persistence
 .createEntityManagerFactory(PERSISTENCE_UNIT);
 EntityManager em = emf.createEntityManager();
 // When passing Boolean and Number values from the Flash client to a
 // Java object, Java interprets null values as the default values for
 // primitive types; for example, 0 for double, float, long, int, short,
 // byte.
 if (visitor.getVisitorId() == null || visitor.getVisitorId() == 0) {
 // New consultant is created
 visitor.setVisitorId(null);
 visitor.setTimeIn(new Timestamp(new Date().getTime()));
 } else {
 visitor.setTimeOut(new Timestamp(new Date().getTime()));
 // Existing consultant is updated - do nothing.
 EntityTransaction tx = em.getTransaction();
 tx.begin();
 try {
 em.merge(visitor);
 tx.commit();
 } catch (Exception e) {
 logger.error("** Error: " + e.getMessage());
 tx.rollback();
 throw new Exception(e.getMessage());
 } finally {
 logger.info("** Closing Entity Manager.");
 em.close();
 public void deleteVisitor(Long visitorId) {
 logger.debug("** deleteVisitor called...");
 EntityManagerFactory emf = Persistence
 .createEntityManagerFactory(PERSISTENCE_UNIT);
 EntityManager em = emf.createEntityManager();
 Query q = em.createNamedQuery("visitors.byId");
 q.setParameter("visitorId", visitorId);
 Visitor visitor = (Visitor) q.getSingleResult();
 if (visitor != null) {
 EntityTransaction tx = em.getTransaction();
 tx.begin();
 try {
 em.remove(visitor);
 tx.commit();
 } catch (Exception e) {
 logger.error("** Error: " + e.getMessage());
 tx.rollback();
 } finally {
 logger.info("** Closing Entity Manager.");
 em.close();
remoting-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<service id="remoting-service" class="flex.messaging.services.RemotingService">
 <adapters>
 <adapter-definition id="java-object"
 class="flex.messaging.services.remoting.adapters.JavaAdapter"
 default="true" />
 </adapters>
 <default-channels>
 <channel ref="my-amf" />
 </default-channels>
 
 <destination id="visitorService">
 <properties>
 <source>com.visitor.VisitorService</source>
 </properties>
 </destination>
</service>

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for (int i = 0; i < idx; i++)
sb.append(" ");
return sb.toString();
}// END PRGM
Now , am not a very good Java DEv. and i need to find a soln. to this prob within 1 week.
The next step is to write the data to the DB.
Am sending an example of my file:
<Start>
<Machine>
<Hostname> IPCServer </Hostname>
<HostID> 80c04499 </HostID>
<MachineType> sun4u [ID 466748 kern.info] Sun Ultra 5/10 UPA/PCI (UltraSPARC-IIi 360MHz) </MachineType>
<CPU> UltraSPARC-IIi at 360 MHz </CPU>
<Memory> RAM : 512 MB </Memory>
<HostAdapter>
<HA> kern.info] </HA>
</HostAdapter>
<Harddisks>
<HD>
<HD1> c0t0d0 ctrl kern.info] target 0 lun 0 </HD1>
<HD2> ST38420A 8.2 GB </HD2>
</HD>
</Harddisks>
<GraphicCard> m64B : PCI PGX 8-bit +Accel. </GraphicCard>
<NetworkType> hme0 : Fast-Ethernet </NetworkType>
<EthernetAddress> 09:00:30:C1:34:90 </EthernetAddress>
<IPAddress> 149.51.23.140 </IPAddress>
</Machine>
</Start>
Note that i can have more than 1 machines (meaning that i have to loop thru the file to be able to write to the DB)
Cal u tellme what to do!
Even better- do u have a piece of code that will help me understand and implement the database writing portion?
I badly need help here.
THANX

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hi,
all the UI elements in the adobe form are generally connected to your web-dynpro Context.
whatever you type in the online adobe form is reflected in the respective context attributes of the dynpro Context of the view where "ur Interactive form UI element is".
that means you can yourself fill the contents of ur interactive form by working on the get/set methods of the context attributes.
Likewise you can clear the form by setting all context attributes to blank eg ""
interactive form has two imp properties:-
*dataSource
data source points to the node all whose context attributes will be made available in the interactive form
*pdfsource
points to the context attribute which will hold the pdf.
note that the type of this pdfSorce attribute will be binary.
if you still have doubts.
give me your gmail mail id. i 'll send a tutorial.
with regards,
-ag.

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Merci beaucoup / Shokran jazilan / Thank you very much!
- Michael Kim Jamal Riegelman
United Nations Headquarters
Department of Peacekeeping Operations
Europe and Latin America Division
Office: (917) 367.9186
Email: [email protected]

Hi Michael
Unfortunately I believe you have posted your issue in the
wrong forum. I believe you are looking for the forum linked below.
http://www.adobeforums.com/cgi-bin/webx/.ef7cbdf/
You might try re-posting your issue there.
Cheers and good luck! Rick

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