Scanning of hardware using Java

I would like to know, if anyone knows a class/method or whatever that i can use to scan hardware/software and configurations in a PC.

http://forum.java.sun.com/thread.jsp?forum=54&thread=108618

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How to fetch any Hardware using Java

Hi! Friends
I wanna switch off my bedroom light through my laptop
how to code in java for it please give me a little example
if any suggetion please mail me [email protected]
thanx
S M Hasan
Message was edited by:
hasan-mobile

Well, the problem is that a laptop cannot really "connect" to a light or light switch. In any way. No way.
If your lights come with one of those neato remotes, there is a solution. Tape/glue the remote to the lid of your laptop, and once you close the laptop, push the "power" button on your remote. That should do the trick.
Otherwise, you have to rewire your lights to go through some sort of mechanism that can be controlled using a neato remote. Then refer to the method listed above :D
I'm not kidding one bit.

Using Java to control external hardware

Hi all,
I'm new to the forums, I am an experienced Java developer for the internet and have done various GUI based academic and personal projects.
What I want to work on at the moment is basically a swing based controller program which will controller some hardware which switches LEDs on and off, moving later to maybe fans and motors and stuff.
My initial thoughts were get an LED matrix connected using a USB port, and then get a USB API to send commands to this. It would be far better if I somehow got a control board connected (wired or wireless) and then used Java to send over commands for a start to turn LEDs on and off.
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Edited by: HPowar on Feb 25, 2008 5:07 AM

I believe that parallax makes a microcontroller (Javelin ???) with some sort of java vm in firmware.
Depending on your budget and assuming you want to go the microcontroller route, it might work for you.
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How to ge a hardware id using java?

how to ge a hardware id using java? like cpu id??

Why do you want the CPU code ?
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New "Windows Programming Using Java" Website

Our newly created "Windows Programming Using Java" website (http://fivedots.coe.psu.ac.th/~ad/winJava/) is for programmers who want to extend Java's capabilities on Windows XP and/or Vista, but aren't sure where to start. One of the drawbacks of Java's portability is that many Java programmers have a rather sketchy knowledge of Windows-specific programming.
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[email protected] and [email protected]
Edited by: AndrewDavison on Jun 20, 2008 1:36 AM

Hi, I am looking the similar kind of requirement that you had done.. Do you have any more details on the code that is working for you . All i need is if the user logs in successfully in windows, the the app should be accessible. Please let me know if you have the code with you on this problem.
Thanks in advance
"what i meant is the we b applications running in my system, when i access the application iam able to to login automatically with windows authentication and now in case of other users following process happened:"

Accessing device registers and microcontroller registers using java

We are writing an application that needs to work with any kind of microcontroller(more specifically targetted towards 8051 and 80188/86 microcontrollers) in a constrained memory environment with code/data not
more than 128 KB or at the most 256 KB.
We would look at using the JVM in hardware rather than software as an accelerator chip on our boards..
However I wanted to know whether there is a way wherein I can accomplish the above platform independence for microcontroller and still access low level registers for the memory mapped I/O devices using Java..
If anybody knows about this please let me know at
[email protected]

Not in pure Java, although you can do that in JNI. But if this is the main purpose of your program, you might as well use C++ or some more low-level language.

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Printing is fine.
When using the HP Scan application, get the error "Scanner communication cannot be established".
When scanning from the printer itself it fails with the same message. In addition the printer panel displays the error:
"The scan could not be completed due to one or more of the following issues:
Connection to the computer is lost
The scanner is in use
OCR application is not installed"
My PC is a HP Compaq Pro 6300 SFF 64bit, with ethernet cable to the router and ethernet cable to the printer
Originally ran Windows 8.0; recently upgraded to Windows 8.1.
Older separate Netgear router and modem was replaced with a newer Netgear Router/Modem, but both experienced the same problem.
There was no problem with the original Windows 8.0 configuration and only after upgrading to 8.1 did the problem emerge.
On my home netowrk I have an HP ProBook 6550b running Windows 7 sp1 that uses wireless to get to the Router, and it has no problem with scanning.
I have followed the recommendations of a number of articles relating to this issue (including: http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&docname=c02915410&product=4323659#N94), but there has been no change in behaviour.
The printer has a static IP address;
Power settings have been adjusted to Never for Turn off Hard Disk; Sleep and Hybrid Sleep.
Scanning has been tested with all firewalls and antivirus turned off and in Selective Startup.
The printer has been plugged directly into the power socket.
With all these settings the Windows 8.1 cannot scan while the Windows 7 laptop with wireless to the router has no problems.
Appreciate any insights into this problem.
I can only surmise that the problem is a compatibility problem between the 8600 Printer and Windows 8.1.
Any ideas?
regards,
Motorbike

You can determine if there is compatiblity between the printer and PC by checking the Windows 8.1 hardware compatibility list. I have done that and it is shown to be fully compatible. If the driver you installed before was only the basic driver,it would explain the lack of scan and copy functionality.
Download and install the Windows 8.1 full feature driver and software on the HP Compaq Pro 6300 SFF 64bit PC .
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=bi-108858-4&cc=us&dlc=en&lc=en...
****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
2015 Microsoft MVP - Windows Experience Consumer

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Can i use java to manipulate a hardware like CD-Rom, VideoCard and a like? if yes... what specific classes that i can use?

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Hey Guys,
I have built an analog clock in java using swing and gregorian calender. Now my professor wants me to add an alarm functionality to it. Any ideas of how to implement this into the already existing code. The folllowing is the code i have written so far..everything works except i dont know how to implement the alarm functionality. Assistance needed ASAP, as its due by this wednesday!!
/** Analog Clock using Java Graphics 2D Component */
import java.awt.*;
import java.awt.Graphics2D;
import javax.swing.*;
import java.util.*;
import java.awt.event.*;
/** Built on JPanel..Used class Timer for repeatedly executing
the clocktimer thread/
public class AnalogClock extends JPanel
ImageIcon img;
private GregorianCalendar m_calendar;
private int[] x=new int[2];
private int[] y=new int[2];
private java.util.Timer clocktimer=new java.util.Timer();
/**You could set the TimeZone for the clock here. I used the Dfault time
zone from the user so that every time the program runs on different
computers the correct time is displayed*/
private TimeZone clockTimeZone=TimeZone.getDefault();
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public AnalogClock()
this.setPreferredSize(new Dimension(210,210));
this.setMinimumSize(new Dimension(210,210));
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clocktimer.schedule(new TickTimerTask(),0,1000);
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drawCardinals((Graphics2D)g);
drawHands((Graphics2D)g);
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void clockMinutes(int startRadius,int endRadius,double theta)
theta-=Math.PI/2;
x[0]=(int)(getWidth()/2+startRadius*Math.cos(theta));
y[0]=(int)(getHeight()/2+startRadius*Math.sin(theta));
x[1]=(int)(getWidth()/2+endRadius*Math.cos(theta));
y[1]=(int)(getHeight()/2+endRadius*Math.sin(theta));
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void drawCardinals(Graphics2D g)
g.setStroke(new BasicStroke(9));
g.setColor(Color.black);
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clockMinutes(100,100,theta);
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differs from the last point./
g.drawPolyline(x,y,2);
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double h=2*Math.PI*(m_calendar.get(Calendar.HOUR));
double m=2*Math.PI*(m_calendar.get(Calendar.MINUTE));
double s=2*Math.PI*(m_calendar.get(Calendar.SECOND));
g.setStroke(new BasicStroke(9));
clockMinutes(0,55,h/12+m/(60*12));
g.setColor(Color.red);
g.drawPolyline(x,y,2);
clockMinutes(0,70,m/60+s/(60*60));
g.setColor(Color.blue);
g.drawPolyline(x,y,2);
clockMinutes(0,70,s/60);
g.setColor(Color.black);
g.drawPolyline(x,y,2);
g.fillOval(getWidth()/2-8,getHeight()/2-8,16,16);
//method to update/refresh the clock every second
class TickTimerTask extends TimerTask
public void run()
m_calendar=(GregorianCalendar)GregorianCalendar.getInstance(clockTimeZone);
repaint();
The Main File is below:
import javax.swing.JFrame;
import java.awt.Toolkit;
public class AnalogClockView extends JFrame
public static void main(String[] args)
JFrame frame = new JFrame();
frame.setSize(300, 400);
frame.setTitle("My Java Project Clock");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setIconImage(Toolkit.getDefaultToolkit().getImage("Clock.gif"));
AnalogClock m_AnalogClock=new AnalogClock();
frame.add(m_AnalogClock);
frame.setVisible(true);
Edited by: sIrIUs_bLAcK on Aug 31, 2008 11:17 PM

some items unrelated to your main question:
*) When drawing in JPanels and other JComponents, you should override paintComponent, not paint. Also, the first method in this override should be super.paintComponent(g). This will refresh your screen and will eliminate the need for your having to fill the rectangle with a color on each iteration of paintComponent. You'll have to call setBackground(Color c) on your drawing JPanel somewhere in the initialization code though.
*) If you're using a Timer with Swing apps, consider using a Swing Timer. It works well and has the added convenience of having all code in it's actionlistener called on the event dispatch thread, the main Swing thread.
*) Finally, when posting your code, please use code tags so that your code will retain its formatting and be readable. To do this, you will need to paste already formatted code into the forum, highlight this code, and then press the "code" button at the top of the forum Message editor prior to posting the message. You may want to click on the Preview tab to make sure that your code is formatted correctly. Another way is to place the tag [code] at the top of your block of code and the tag [/code] at the bottom, like so:
[code]
// your code block goes here.
// note the differences between the tag at the top vs the bottom.
[/code]or
{code}
// your code block goes here.
// note here that the tags are the same.
{code}Edited by: Encephalopathic on Aug 31, 2008 5:29 PM

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http://online.securityfocus.com/products/category/134
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http://www.linuxworld.com/linuxworld/lw-2000-10/lw-10-fwproducts2-p5.html
see here as well:
http://techupdate.zdnet.com/techupdate/stories/main/0,14179,2806287,00.html
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I am trying to use java file as Model layer and jsf as presentation layer

I am trying to use java file as Model layer and jsf as presentation layer and need some help
I successfully get the value of h:outputText from java file by doing simple binding operation but I am facing problems when I am trying to fill h:dataTable
I create java file
package oracle.model;
import java.sql.;*
import java.util.;*
*public class TableBean {*
Connection con ;
Statement ps;
ResultSet rs;
private List perInfoAll = new ArrayList();
*public List getperInfoAll() {*
perInfoAll.add(0,new perInfo("name","username","blablabla"));
return perInfoAll;
*public class perInfo {*
String uname;
String firstName;
String lastName;
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this.uname = uname;
this.firstName = firstName;
this.lastName = lastName;
*public String getUname() {*
return uname;
*public String getFirstName() {*
return firstName;
*public String getLastName() {*
return lastName;
right click on the file and choose 'create data control'
then i wrote the jsf file:
*<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>*
*<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>*
*<f:view>*
*<h:dataTable id="dt1" value="#{bindings.perInfoAll}"*
var="item" bgcolor="#F1F1F1" border="10"
cellpadding="5" cellspacing="3" rows="4" width="50%"
dir="LTR" frame="hsides" rules="all"
*>*
*<f:facet name="header">*
*<h:outputText value="This is 'dataTable' demo" id="ot6"/>*
*</f:facet>*
*<h:column id="c2">*
*<f:facet name="header">*
*<h:outputText value="First Name" id="ot1"/>*
*</f:facet>*
*<h:outputText style="" value="#{item.firstName}"*
id="ot2"/>
*</h:column>*
*<h:column id="c4">*
*<f:facet name="header">*
*<h:outputText value="Last Name" id="ot9"/>*
*</f:facet>*
*<h:outputText value="#{item.lastName}" id="ot8"/>*
*</h:column>*
*<h:column id="c3">*
*<f:facet name="header">*
*<h:outputText value="Username" id="ot7"/>*
*</f:facet>*
*<h:outputText value="#{item.uname}" id="ot4"/>*
*</h:column>*
*<f:facet name="footer">*
*<h:outputText value="The End" id="ot3"/>*
*</f:facet>*
*</h:dataTable>*
*</center>*
*</af:document>*
*</f:view>*
but nothing is appear in my table
I know that there is something wrong in calling the binding object
I need help pls and where can i find some help to deal with another tag types
thanks

i dragged the "perInfoAll" from my "Data Controls" and choosed adf table (even I know that new table with adf tags well be generated and i want table with jsf tags)
and this code is generated
*<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"*
*"http://www.w3.org/TR/html4/loose.dtd">*
*<%@ page contentType="text/html;charset=UTF-8"%>*
*<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>*
*<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>*
*<%@ taglib uri="http://xmlns.oracle.com/adf/faces/rich" prefix="af"%>*
*<f:view>*
*<af:document id="d1">*
*<af:messages id="m1"/>*
*<af:form id="f1">*
*<af:table value="#{bindings.perInfoAll1.collectionModel}" var="row"*
*rows="#{bindings.perInfoAll1.rangeSize}"*
*emptyText="#{bindings.perInfoAll1.viewable ? 'No data to display.' : 'Access Denied.'}"*
*fetchSize="#{bindings.perInfoAll1.rangeSize}"*
*rowBandingInterval="0"*
*selectionListener="#{bindings.perInfoAll1.collectionModel.makeCurrent}"*
*rowSelection="multiple" id="t1">*
*<af:column sortProperty="uname" sortable="false"*
*headerText="#{bindings.perInfoAll1.hints.uname.label}"*
*id="c1">*
*<af:inputText value="#{row.bindings.uname.inputValue}"*
*label="#{bindings.perInfoAll1.hints.uname.label}"*
*required="#{bindings.perInfoAll1.hints.uname.mandatory}"*
*columns="#{bindings.perInfoAll1.hints.uname.displayWidth}"*
*maximumLength="#{bindings.perInfoAll1.hints.uname.precision}"*
*shortDesc="#{bindings.perInfoAll1.hints.uname.tooltip}"*
*id="it3">*
*<f:validator binding="#{row.bindings.uname.validator}"/>*
*</af:inputText>*
*</af:column>*
*<af:column sortProperty="firstName" sortable="false"*
*headerText="#{bindings.perInfoAll1.hints.firstName.label}"*
*id="c2">*
*<af:inputText value="#{row.bindings.firstName.inputValue}"*
*label="#{bindings.perInfoAll1.hints.firstName.label}"*
*required="#{bindings.perInfoAll1.hints.firstName.mandatory}"*
*columns="#{bindings.perInfoAll1.hints.firstName.displayWidth}"*
*maximumLength="#{bindings.perInfoAll1.hints.firstName.precision}"*
*shortDesc="#{bindings.perInfoAll1.hints.firstName.tooltip}"*
*id="it2">*
*<f:validator binding="#{row.bindings.firstName.validator}"/>*
*</af:inputText>*
*</af:column>*
*<af:column sortProperty="lastName" sortable="false"*
*headerText="#{bindings.perInfoAll1.hints.lastName.label}"*
*id="c3">*
*<af:inputText value="#{row.bindings.lastName.inputValue}"*
*label="#{bindings.perInfoAll1.hints.lastName.label}"*
*required="#{bindings.perInfoAll1.hints.lastName.mandatory}"*
*columns="#{bindings.perInfoAll1.hints.lastName.displayWidth}"*
*maximumLength="#{bindings.perInfoAll1.hints.lastName.precision}"*
*shortDesc="#{bindings.perInfoAll1.hints.lastName.tooltip}"*
*id="it1">*
*<f:validator binding="#{row.bindings.lastName.validator}"/>*
*</af:inputText>*
*</af:column>*
*</af:table>*
*</af:form>*
*</af:document>*
*</f:view>*
but when run it i see the following errors
*Class oracle.adf.model.adapter.bean.BeanDataControl can not access a member of class nl.amis.hrm.EmpManager with modifiers "private"*
*Object EmpManager of type DataControl is not found.*
*java.lang.NullPointerException*
*Class oracle.adf.model.adapter.bean.BeanDataControl can not access a member of class nl.amis.hrm.EmpManager with modifiers "private"*
*Object EmpManager of type DataControl is not found.*
*java.lang.NullPointerException*
:(

Scanning of hardware using Java

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