Hello I am trying to process a directory with 10 image files in it and I read individual files and input filenames to create a PlanarImagePlanarImage img = JAI.create("fileload", filename);which is wrong as it throws Exception in thread "main" java.lang.IllegalArgumentException: File not foundI ...

In my application, I am loading in a user specified image to be used as an icon.My code works fine, except in the case where an image file is invalid.i.e. You change the file extension on some random file to ".jpg", and try to load it.The program doesn't crash or throw any exceptions, it simply ...

Hi,When I visit webpages with Java content, I am gettling errors.The version of Java installed on my machine is:java -versionjava version "1.6.0_01"Java(TM) SE Runtime Environment (build 1.6.0_01-b06)Java HotSpot(TM) Client VM (build 1.6.0_01-b06, mixed mode, sharing)Here is the list of errors that ...

hi all....i want to develop a drawing application which allow user to draw on the screen and the drawings will be sent over to the other client. it's something like isketch ( http://isketch.net/). It's a real time drawing application.any suggestions on how should do it to be able to send drawings ...

Friends, I have created a custom MySSLProtocolSocketFactory class which implements ProtocolSocketFactory class .I have implemented the overloaded createSocket() method of this class. However on using this class in org.apache.commons.httpclient.protocol.Protocol class , the jvm seems to pick up ...

<p>Hello,</p><p>I'm looking for a way to output several audio streams from the Asterisk server (as RTP for example) on different audio enddevices like boxes and USB-headset.</p><p>Does someone have an idea?</p>

Hi guys- firstly im not the worlds greatest programmerBasically i need to write a program which can take in a variable number of image files (of the same size) and overlay them.The images will be european maps, with coloured overlays corresponding to temperature. Eg i shall have 12 maps of europe ...

Please see my executable code. I am going to plot a 2D object, but can't add on the panel. What's wrong?import java.io.*;import java.awt.Font;import java.awt.Color;import java.awt.Graphics;import java.awt.BasicStroke;import java.awt.GradientPaint;import java.awt.geom.GeneralPath;import ...

<p>Hi, how can one traverse through each pixel in a picture, therefore editing one by one?</p>

Hi,I met a problem using DES encryption in my applet. The encryption process works fine only when the data to encrypt is surrounded by dots ('.'). I can't understand why... Without dots, I can only encrypt data which length doesn't exceed 7 characters. Here's my code :public static byte[] ...

<p>hi..i have a canvas which is a JPanel of white background. this canvas can be drawn. I want to get every pixel of the canvas. how do i get it? This is a JPanel and not an image. can i get the pixel?</p>

<p>I am having a hard time figuring out how to modify the elliptical gradient into a tricolor rectangular gradient. Does anyone know how to modify the code to draw an rectangular gradient?</p><p>Thanks</p>

Aloha @all,I am trying to setup SSL with tomcat. SSL itself is already running and can be accessed through Apache, however, whenever I try to access ssl on tomcat, I get a 404 message screen. Now I got a feeling that this could all result of a missing connector script in the server.xml file... I ...

Hi,Has anyone had any luck integrating crypto++ with java? I need to decrypt a string encrypted by the crypto++ code. It is using the DefaultEncryptorWithMAC which says it is a Password-Based Encryptor using DES-EDE2 (a triple des pass twice) and HMAC/SHA-1. Being a relative newbie to encryption, I ...

Hi,I am trying to perform an HTTPS call from a servlet running under Tomcat 5.5, JDK 1.5.0 . When I do, I get this error:java.lang.ClassCastException: com.sun.net.ssl.internal.www.protocol.https.HttpsURLConnectionOldImplat rcopia.util.WebUtils.setAutoVerify(WebUtils.java:1398)at ...

OS: Ubuntu 7.04Java version 1.5.0_12I'm trying to run the simplest of examples here, just playing a wav file:import java.io.*;import java.util.*;import javax.sound.sampled.*;public class Main {public static void main(String[] argv) {try {// From fileAudioInputStream stream = ...

I have tried and tried, but I cannot seem to figure out how to decrypt things in Java. I encrypted a string using PHP's mcrypt_encrypt function:mcrypt_encrypt (MCRYPT_BLOWFISH, 'password', 'hi', MCRYPT_MODE_ECB); // Returns 
9Y gbut I can't get Java to decrypt it. This is my current ...

<p>All</p><p> i am new in 3d games. plz let me send some link to unerstand basic concept and how to start with 3d games development.</p><p>SAmeer</p>

<p>Where can I find a simple examplecode in Java 3D?</p><p>Like drawing a simple object like a cube.</p><p>One with explanation would be great.</p>

<p>hi frnds</p><p>how to specific the Video format in JMF in Application and Size of Video Size........example i want YUV format and size is 640 X 480 my webcam is supported this but how could i change the format and size its very urgent........</p><p> Thanks</p>

I have a byte array which contains the public modulus and public exponent (first 2 bytes specifies the length of the public exponent, followed by public exponent, the next two bytes after public exponent specifies the length of public modulus and followed by the public modulus). I have to construct ...

Theoritically, signing operation includes the following steps1. Create Hash of message called Message Digest.2. Encryption of Hash.My query is: Does Signature class expect plain text (in byte[] ) only? or I need to explicitly create a Message digest first and then pass it to Signature ...

<p>hi...does anyone know how to convert int value (grabbed from getRGB()) into the actual color format?</p>

Hi there,I have got a question regarding GSSContext's wrap()/unwrap() methods. These methods take a parameter, class MessageProp,an instance of this class is used to indicate the desired Quality-of-Protection (QOP)The qop is can be set by an integer, but which kind of protection is it indicated by ...

I am writing a web-start application that will be downloading hundreds of JPEG 2000 files over the net. This application will also need to iterate effectively over these images. Clearly it is not possible to cache 300-400 images in memory, rather I store these images on disk (this is a signed app). ...

Please help me....I am working on ubuntu with jdk1.6u2 and java3d1.5.1. I have created an off-screen canvas which is running on windows fine but crashes on ubuntu.Does my system need any upgradation or i will have to do same with different methods. Following is codeBufferedImage buff_image=new ...

<p>i have line segments that are connected and assuming that i can get the points of the segments, how do i know on what segment the point is in?</p>

Hello all, first of all, sorry about my englishWell, im having problems capturing audio and video from a webcam and compressing it to a local file using IV50 and GSM. I already have merged the source and cloned it so I can compress and show for the user what is beign captured at the same time. The ...

Hi, I'm new to kerberos, jaas and gssapi and I need help. I'm on solaris 10. After kinit, klist shows the following:bash-3.00# klistTicket cache: FILE:/tmp/krb5cc_0Default principal: kerberos-test@RICHMOND.COMValid startingExpiresService principal07/20/07 18:09:16 07/21/07 02:09:16 ...

I've tried a few too many ways to repeatedly draw an image, and I know that using Graphics is better than initializing 500+ JLabels just to draw 1x100 images as a toolbar.This code keeps throwing NullPointerExceptions and I simply can't figure out why. Maybe someone a bit more insightful than ...

Hi,Using JAAS login model is fine for my swing app. But now there is a requirement, such that we need to create a web, by which all logined user can be monitored, and even forced to logout.Can any one have idea, so1. how to know who logined?2. how to login user ...

Here's the thing.I realize it's probably a classpath issue, but I don't know where to put the libraries. Compiling non-3d code works fine, which leads me to believe that running the j3d installer in the right place ought to put the libraries in the right place and let me use them. Clearly this ...

Friends, I have managed to establish a one -way https connection between the client and the tomcat-server by keeping the client-Authentication=false ...

<p>Hi,</p><p> I use JSSE to connect to different mail servers throuhg ssl. I need to use a different truststores (say: "store1" and "store2"). Is there some way to statically tell to the java environment to use both files ?</p><p>Pietro</p>

I am trying to do triple DES encryption and Decryption as attached in the codeimport javax.crypto.Cipher;import javax.crypto.SecretKey;import javax.crypto.spec.IvParameterSpec;import javax.crypto.spec.SecretKeySpec;public class Sample3 {/** * @param args */public static void main(String[] args) ...

Document document = .. // Document extends BufferedImage bufferedImage = (BufferedImage) document.createImage(document.getWidth(), document.getHeight());Now if I want to draw on bufferedImage Graphics2D graphics2Ddoc = (Graphics2D) document.getGraphics();Graphics2D graphics2D = (Graphics2D) ...

<p>Hi,</p><p>Do you guys know of good and reliable on-line resources on cryptography in Java 1.6, (apart from java.sun.com) ?</p><p>Thanks a lot</p>

<p>help....i need cant find any code to draw a triangle in java. i need to let user click and drag on the canvas to draw the triangle. Any help will be appreciated.</p>

What is wrong?Do I need create file migsuncert.crt in advance. ThanksC:\Program Files\Java\jdk1.6.0_01\bin>keytool -genkey -keyalg rsa -alias migkeyEnter keystore password:What is your first and last name? [Unknown]: Michel GallantWhat is the name of your organizational unit? [Unknown]: HomeWhat is ...

<p>how can i be done</p>

Hello, What I'm trying to do is create a Rectangle that will expand in the frame when it is maximized. This is the code I've made so far.import javax.swing.*;import java.awt.*;import java.awt.Graphics;import java.awt.Graphics2D;import java.awt.Rectangle;import java.awt.Frame; public class ...

<p>I'm playing myMidiFile.midi and the volume is always really high, does anyone know how to adjust the volume of my file</p><p>thanks in advance</p>

when my signed applet/jar is executed on client machine where JMF is not installed. Then i am not able to Capture the Microphone using CaptureDeviceInfo di = null;AudioFormat a = new AudioFormat (AudioFormat.LINEAR,8000, 16, 1);Vector deviceList = CaptureDeviceManager.getDeviceList(a);for(int ...

<p>draw line,oval and arrow on the image dynamically.</p><p>please help.</p>

<p>hi all.. i'm developing a drawing application. i need to hide the cursor and change with the shape that is going to be drawn. Any idea how to hide the cursor?</p>

On my pc (P4, windows 2K, 384Meg RAM), with JMF 2.1.1e, JDK 1.6, the CPU utilization is pegged at 100% when playing back movies. Interestingly, I can run many simultaneous videos without degradation in any of them (currently running 7 simultaneous). As soon as the video is stopped or paused, the ...

Hi All,I have created some project in RAD 7 for some testing purpose with WAS 6.1.Now problem is I was not aware of the fact that WAS 6.1 does not work with local workspace and it shares all the workspaces. So after sometime I deleted those workspaces from Windows file system and not by opening ...

How to diagnose why XMLSignature.validate is returning "failed core validation"?JWSDP 2.0 demos GenDetached and Validate work fine. Modified both to function properly with "file:" input rather than "http:", thus inserted calls to SetBaseURI for the JDK bug work around. Modified versions work fine ...

<p>How to draw a blinking caret on TextLayout?</p><p>Thanks in advance.</p>

Hello Friends,I Create One java class for Getting an image from hard drive and Update its width and Height of that Image through AffineTransform and then after save it back to hard drive through BufferedImage.But when i save my image into hard drive it is not display proper manner.That means after ...