java-programmer >>Eclipse and assert

Eclipse and assert

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- 4
  - Web Services Client generation using WSDL2Java on the commandlineI use the following command on the commandline in windows. The wsdl
    file is a valid one. When i run the command i get errors below. How do
    i cater for the InvocationTargetException being thrown.
    
    C:\TEMP\Client>call "%WAS_HOME%\bin\WSDL2Java" -role client -verbose
    -output . H
    elloWorld.wsdl
    java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
    java:85)
    at
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
    java:58)
    at
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
    sorImpl.java:60)
    at java.lang.reflect.Method.invoke(Method.java:391)
    at com.ibm.ws.bootstrap.WSLauncher.main(WSLauncher.java:190)
    Caused by: java.lang.NoClassDefFoundError:
    com/ibm/wtp/emf/xml/RendererFactory
    at
    com.ibm.ws.webservices.wsdl.mapping.MappingMetaData.<init>(MappingMet
    aData.java:129)
    at com.ibm.ws.webservices.wsdl.toJava.Emitter.<init>(Emitter.java:247)
    at
    com.ibm.ws.webservices.tools.WSDL2Java.createParser(WSDL2Java.java:29
    5)
    at com.ibm.ws.webservices.wsdl.WSDL2.<init>(WSDL2.java:130)
    at com.ibm.ws.webservices.tools.WSDL2Java.<init>(WSDL2Java.java:284)
    at com.ibm.ws.webservices.tools.WSDL2Java.main(WSDL2Java.java:470)
    ... 6 more
    
    I've tried to figure out where the class
    com/ibm/wtp/emf/xml/RendererFactory can be found so as to include it in
    the classpath, but could not find it. Your assistance will bne greatly
    appreciated...
- 7
  - Handling multiple attributes with w3c ElementQuestion from a new java programmer (I inherited this project when our
    dedicated java guy left)...
    
    It seems in his XML documents, there is usually only on attribute for
    each element..
    i.e. <ClubMember officer="T">
    
    and to generate this I use:
    
    Element retVal = DomUtiliy.addElement(parent,
    "ClubMember").setAttribute("officer", "T");
    
    In new new case, I'd like to create something like:
    
    <ClubMember officer="T" elite="T" current="F">
    
    and I can't find a method in the org.w3c.dom.* namespace to do such a
    thing as .addAttribute to an Element. It seems you can
    only .setAttribute. Is there an wasy way to add mutiple elements? An
    example out there somewhere?
    
    Joe
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    I am looking at writing Soap Client for an application. I had a look
    at axis from Apcahe. But it supports only jdk 1.4. I would like to have
    an implementation that has the support for jdk1.5.
    
    Your response will be greatly appreciated.
    
    Thanks,
    Ranjith
- 10
  - Java algorithm (diff) question.I have two CSV files (file1 and file2).
    Each file contains 50,000 + lines. Each line is very long.
    The first entry in each line is a key as shown in the example below.
    
    Example:
    key1,val1,val2,val3....
    key2,val1,val2,val3.....
    etc
    
    I would like to do a "diff"(unix like) between file1 and file2 and
    find out
    the lines that are different. The entries in each file are not
    necessarily sorted by key.
    
    Approaches I considered.
    1. To load all the entries into a hashmap using the key's as a key and
    the rest of the line as a value. This is a problem because of memory.
    
    2. To generate the hashcode for each line and use the key and the
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    store in a hash map and do the comparison. The problem here is that
    two different strings could have the same hashcode (false positive).
    
    Any suggestions would be appreciated.
- 10
  - Java IDEs to deal with security issuesI am Aravind.Can someone suggest some Java and .NET IDEs that have
    features which would help in dealing with different security issues
    such as buffer overflow,SQL injection,cross site scripting etc...?.
    
    Aravind
- 11
  - print pdfs from java java programI seen a handful of libraries that can produce pdfs. I'm looking for a way
    to print them and possibly print preview them from a java application. Does
    anybody know of a tool that can do that? I'm using iText (if it makes any
    difference).
    
    Hmm... just as I was writing this, I saw a mention of another library,
    jpedal (jpedal.org) and it says it can "view" them. I'm going to try it out
    tonight but I doubt it will do printing.
- 12
  - CLASSPATH help using classes and jar files.I am new to java, what is the correct way to define CLASSPATH for the
    files like test.class or test.jar. In unix if I want to provide a
    PATH to an executable like /userfiles/test.exe I would do the
    following:
    
    PATH=/userfiles
    
    This provides a directory to search for.
    
    In JAVA, I thought it was the same, but in some instances on our system
    I see it point to the exact class file. For example:
    
    CLASSPATH=/userfiles/test.class
    
    Shouldn't it be CLASSPATH=/userfiles ?
    
    The same for JAR files. Should it be CLASSPATH=/userfiles, or
    CLASSPATH=/userfiles/test.jar
    
    Thanks.
- 12
  - Java and X509 Certificates .. help!!Hello,
    
    I need some help! I would like to know if it is possible to get, from
    the browser (web client), the server X509 certificate used by it in an
    already SSL established session with the client (browser). As in the
    server side, with your application you can get the client X509
    certificate used by the client in order to authenticate himself, it
    should be an analogous process or API in the web client to get the
    server certificate.
    
    The aim is to develop some client script (preferable JavaScript, but
    could be with Java Applet) in order to deal with the server X509
    certificate fields.
    
    Can you help me? Thanks in advance!!
    
    Best regards,
- 12
  - Setting column titles in JTable, TableDialogEditDemo exampleHello,
    
    This is no doubt a really dumb question, but I don't see where in the
    example TableDialogEditDemo.java (from Sun's Java examples) that we "tell"
    the table to have one fixed row, to make it grey, and to use getColumnName()
    for the column headers? (Stated another way, what would I do differently if
    I didn't want the column titles to be grey, for instance?) The full java
    listing is below.
    
    Thanks,
    Richard Ulrich
    
    /*
    * TableDialogEditDemo.java is a 1.4 application that requires these files:
    * ColorRenderer.java
    * ColorEditor.java
    */
    
    import javax.swing.JComponent;
    import javax.swing.JDialog;
    import javax.swing.JFrame;
    import javax.swing.JPanel;
    import javax.swing.JScrollPane;
    import javax.swing.JTable;
    import javax.swing.table.AbstractTableModel;
    import java.awt.Color;
    import java.awt.Dimension;
    import java.awt.GridLayout;
    import java.awt.event.ActionEvent;
    import java.awt.event.ActionListener;
    
    /**
    * This is like TableDemo, except that it substitutes a
    * Favorite Color column for the Last Name column and specifies
    * a custom cell renderer and editor for the color data.
    */
    public class TableDialogEditDemo extends JPanel {
    private boolean DEBUG = false;
    
    public TableDialogEditDemo() {
    super(new GridLayout(1,0));
    
    JTable table = new JTable(new MyTableModel());
    table.setPreferredScrollableViewportSize(new Dimension(500, 70));
    
    //Create the scroll pane and add the table to it.
    JScrollPane scrollPane = new JScrollPane(table);
    
    //Set up renderer and editor for the Favorite Color column.
    table.setDefaultRenderer(Color.class,
    new ColorRenderer(true));
    table.setDefaultEditor(Color.class,
    new ColorEditor());
    
    //Add the scroll pane to this panel.
    add(scrollPane);
    }
    
    class MyTableModel extends AbstractTableModel {
    private String[] columnNames = {"First Name",
    "Favorite Color",
    "Sport",
    "# of Years",
    "Vegetarian"};
    private Object[][] data = {
    {"Mary", new Color(153, 0, 153),
    "Snowboarding", new Integer(5), new Boolean(false)},
    {"Alison", new Color(51, 51, 153),
    "Rowing", new Integer(3), new Boolean(true)},
    {"Kathy", new Color(51, 102, 51),
    "Knitting", new Integer(2), new Boolean(false)},
    {"Sharon", Color.red,
    "Speed reading", new Integer(20), new Boolean(true)},
    {"Philip", Color.pink,
    "Pool", new Integer(10), new Boolean(false)}
    };
    
    public int getColumnCount() {
    return columnNames.length;
    }
    
    public int getRowCount() {
    return data.length;
    }
    
    public String getColumnName(int col) {
    return columnNames[col];
    }
    
    public Object getValueAt(int row, int col) {
    return data[row][col];
    }
    
    /*
    * JTable uses this method to determine the default renderer/
    * editor for each cell. If we didn't implement this method,
    * then the last column would contain text ("true"/"false"),
    * rather than a check box.
    */
    public Class getColumnClass(int c) {
    return getValueAt(0, c).getClass();
    }
    
    public boolean isCellEditable(int row, int col) {
    //Note that the data/cell address is constant,
    //no matter where the cell appears onscreen.
    if (col < 1) {
    return false;
    } else {
    return true;
    }
    }
    
    public void setValueAt(Object value, int row, int col) {
    if (DEBUG) {
    System.out.println("Setting value at " + row + "," + col
    + " to " + value
    + " (an instance of "
    + value.getClass() + ")");
    }
    
    data[row][col] = value;
    fireTableCellUpdated(row, col);
    
    if (DEBUG) {
    System.out.println("New value of data:");
    printDebugData();
    }
    }
    
    private void printDebugData() {
    int numRows = getRowCount();
    int numCols = getColumnCount();
    
    for (int i=0; i < numRows; i++) {
    System.out.print(" row " + i + ":");
    for (int j=0; j < numCols; j++) {
    System.out.print(" " + data[i][j]);
    }
    System.out.println();
    }
    System.out.println("--------------------------");
    }
    }
    
    /**
    * Create the GUI and show it. For thread safety,
    * this method should be invoked from the
    * event-dispatching thread.
    */
    private static void createAndShowGUI() {
    //Make sure we have nice window decorations.
    JFrame.setDefaultLookAndFeelDecorated(true);
    
    //Create and set up the window.
    JFrame frame = new JFrame("TableDialogEditDemo");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    
    //Create and set up the content pane.
    JComponent newContentPane = new TableDialogEditDemo(); //This is an
    extension of JPanel
    newContentPane.setOpaque(true); //content panes must be opaque
    frame.setContentPane(newContentPane);
    
    //Display the window.
    frame.pack();
    frame.setVisible(true);
    }
    
    public static void main(String[] args) {
    //Schedule a job for the event-dispatching thread:
    //creating and showing this application's GUI.
    javax.swing.SwingUtilities.invokeLater(new Runnable() {
    public void run() {
    createAndShowGUI();
    }
    });
    }
- 16
  - Flush ResultSet to BrowserHi. I am querying an Oracle 9i database that in some cases will return
    very large resultSets (up to 95,000 rows). I am using Java Server
    Faces for my front end but I am having some major performance issues,
    for obvious reasons. My question is this: Can I start flushing the
    database results to the textarea in the browser before the query
    completes to give the illusion of speed? Here's the current slowly
    working code. Thanks in advance for your help.
    
    //JSP File Not Including Design Elements
    <%-- tpl:put name="bodyarea" --%>
    <hx:scriptCollector id="scriptCollector1">
    <h:form styleClass="form" id="form1">
    <IFRAME id="SaveFrame" style="display:none">
    <h:inputTextarea></h:inputTextarea>
    </IFRAME>
    <BR>
    <h:inputTextarea id="txtReportContent"
    value="#{pc_Arreports.reportContents}">
    </h:inputTextarea>
    <BR>
    </h:form>
    </hx:scriptCollector>
    <%-- /tpl:put --%>
    
    //Backing Bean
    public void open() throws SQLException, NamingException
    //Open a connection to TSEC01
    {
    if (con != null)
    return;
    Context ctx = new InitialContext();
    ds = (DataSource) ctx.lookup("jdbc/tsec01");
    con = ds.getConnection();
    }
    
    public void close() throws SQLException, NamingException
    // Close the connection and set it to null
    {
    if (con != null)
    return;
    con.close();
    con = null;
    
    }
    public String getReportContents()
    // This function is the value bound to txtReportContent in the JSP
    {
    String strReport = "\n";
    ResultSet rs = null;
    
    try
    {
    setSessionVariables();
    
    String strSQL = "Select T_REPORT_DATA, C_LINE_NUMBER FROM access_review
    where C_DOMAIN = '" + domain+ "' AND C_HOST_GROUP = '" + hostgroup +
    "' AND D_SENT = '" + datesent + "' AND C_OWNER_GEID = '" + geid + "'
    ORDER BY C_LINE_NUMBER";
    
    open();
    
    PreparedStatement stmt = con.prepareStatement(strSQL);
    stmt.setFetchSize(100);
    
    rs=stmt.executeQuery();
    int i=0;
    while (rs.next())
    {
    strReport += rs.getString(1);
    strReport += "\n";
    i++;
    if (i % 100==0)
    {
    System.out.flush();
    }
    
    }
    }
    catch(SQLException e)
    {
    e.getMessage().toString();
    }
    catch (NamingException e)
    {
    e.getMessage().toString();
    }
    finally
    {
    try
    {
    close();
    }
    catch (SQLException e1)
    {
    e1.printStackTrace();
    }
    catch (NamingException e1)
    {
    e1.printStackTrace();
    }
    }
    
    return strReport;
    
    }
- 16
  - What's the effect in different classpath set?525 wrote:
    > when setting the environment variable, one of the steps is to set the
    > classpath. Some books use this: classpath=c:\jdk\lib\tools.jar; c:
    > \jdk\lib\dt.jar; Anothers use this: c:\jdk\lib . Q: Any
    > different?
    
    Neither one works. The environment variable is 'CLASSPATH', not 'classpath',
    and you don't put spaces in it.
    
    Even after correcting those errors, the second form will not pick up the JAR
    files, nor is the first form isn't necessary because the JARs in the
    $JAVA_HOME/lib/ directory don't need to be part of the classpath explicitly.
    
    In any event, all your questions should be answered by the information in the
    documentation:
    <http://java.sun.com/javase/6/docs/technotes/tools/windows/classpath.html>
    
    I strongly recommend that you do not use the CLASSPATH envar, but use the
    -classpath (or -cp) option to your Java tools. CLASSPATH is far too global.
    
    Also, read
    <http://java.sun.com/javase/6/docs/technotes/tools/findingclasses.html>
    
    --
    Lew
- 16
  - Casting from Object to intHi there!
    
    I'm developing a method which receives two Object parameters, and I need
    to cast one of them to int. How can I do it?
    
    public method(Object a, Object b){
    this.b = (int)b; // doesn't work!
    this.a = a;
    }
    
    Thanks in advance!
- 16
  - Automatic unit and functional testingHi there!
    DO you use in your big software projects unit and functional testing?
    If so please let me know which technologies are using?
    
    Thanks.
    
    Regards,
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- 16
  - Subclassing a text area..I would like to create a component that is based on the TextArea, but I'm
    not really sure where to start. Basically this component would behave the
    same as a text area, but would highlight certain portions of the entered
    text as it is entered e.g. incorrectly spelled words.
    
    I would like to package this as a separate component that I can add to
    other projects I'm working on.
    
    Is there a good text that would provide examples on how to do this sort of
    thing?
    
    Thanks.
    
    --
    Kenneth P. Turvey <email***@***.com>
    
    XMPP: email***@***.com
- 16
  - Consuming Web ServicesCan someone point me to a decent resource about consuming a web service
    in Java? Or maybe reccomend a book?
    
    Thanks,
    Scott

Author

Message

higgledy

Posted: 2006-3-17 4:07:00

Top

java-programmer, Eclipse and assert I am using Eclipse. I want to enable assert in my code. I alrready have
the compiler set to use Jave 5.0. How do I configure the build and run
to use the correct switch to enable assert evaluations?

Xavier Tarrago

Posted: 2006-3-17 16:29:00

Top

java-programmer >> Eclipse and assert Menu Windows.Preferences ->
uncheck "Use default compliance setting"
select 1.4, 1.4, "Error", "Warning"

It should also work with 5.0 settings, but I use the above and it works...

"higgledy" <email***@***.com> a 閏rit dans le message de
news:email***@***.com...
> I am using Eclipse. I want to enable assert in my code. I alrready have
> the compiler set to use Jave 5.0. How do I configure the build and run
> to use the correct switch to enable assert evaluations?
>

Xavier Tarrago

Posted: 2006-3-17 16:32:00

Top

java-programmer >> Eclipse and assert Sorry...
To enable assertions, run with -ea command line option. I think that you can
be more specific with some -ea:my.package

"higgledy" <email***@***.com> a 閏rit dans le message de
news:email***@***.com...
> I am using Eclipse. I want to enable assert in my code. I alrready have
> the compiler set to use Jave 5.0. How do I configure the build and run
> to use the correct switch to enable assert evaluations?
>

Index ‹ java-programmer

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    difficulties with Kerberos on some clients. For some reason, the web
    browser on my machine defaults to NTLM authentication, and that's
    working fine. The problem I'm having is when a client tries to use
    Kerberos to authenticate. I've tried setting jCIFS flags to turn off
    Kerberos, to no avail. I've read the documentation and configured
    Kerberos accordingly. I just can't get past this error. Relevant info
    below:
    
    Environment:
    JBoss 4.0.1sp1/WinXP/JDK 1.4.2_07
    
    Kerberos properties:
    javax.security.auth.useSubjectCredsOnly=false
    jcifs.http.enableNegotiate=false
    java.security.krb5.realm=VTIC.COM
    java.security.krb5.kdc=agil02.vtic.com
    sun.security.krb5.debug=true
    jcifs.spnego.servicePrincipal=HTTP/email***@***.com
    jcifs.spnego.servicePassword=xxxxxxxxx
    javax.security.auth.useSubjectCredsOnly=false
    
    Error message:
    2006-03-03 10:41:45,043 INFO [STDOUT] Negotiate
    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
    2006-03-03 10:41:58,715 INFO [STDOUT]
    jcifs.spnego.AuthenticationException: Error performing Kerberos
    authentication: java.lang.reflect.InvocationTargetException
    2006-03-03 10:41:58,715 INFO [STDOUT] at
    jcifs.spnego.Authentication.processKerberos(Authentication.java:447)
    2006-03-03 10:41:58,715 INFO [STDOUT] at
    jcifs.spnego.Authentication.processSpnego(Authentication.java:346)
    2006-03-03 10:41:58,715 INFO [STDOUT] at
    jcifs.spnego.Authentication.process(Authentication.java:235)
    2006-03-03 10:41:58,715 INFO [STDOUT] at
    jcifs.http.Negotiate.authenticate(Negotiate.java:47)
    2006-03-03 10:41:58,715 INFO [STDOUT] at
    com.agilquest.onboard.auth.IntegratedSsoHelper.authenticateNtlm(IntegratedSsoHelper.java:154)
    2006-03-03 10:41:58,715 INFO [STDOUT] at
    com.agilquest.onboard.sso.IntegratedSsoFilter.doFilter(IntegratedSsoFilter.java:93)
    2006-03-03 10:41:58,715 INFO [STDOUT] at
    org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
    2006-03-03 10:41:58,715 INFO [STDOUT] at
    org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
    2006-03-03 10:41:58,715 INFO [STDOUT] at
    org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
    2006-03-03 10:41:58,715 INFO [STDOUT] at
    org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    2006-03-03 10:41:58,715 INFO [STDOUT] at
    org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    2006-03-03 10:41:58,715 INFO [STDOUT] at
    org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
    2006-03-03 10:41:58,715 INFO [STDOUT] at
    org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
    2006-03-03 10:41:58,715 INFO [STDOUT] at
    org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    2006-03-03 10:41:58,715 INFO [STDOUT] at
    org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:66)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:153)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:54)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:535)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    java.lang.Thread.run(Thread.java:534)
    2006-03-03 10:41:58,731 INFO [STDOUT] Caused by:
    java.lang.reflect.InvocationTargetException
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    java.lang.reflect.Method.invoke(Method.java:324)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    jcifs.spnego.Authentication$ServerAction.run(Authentication.java:511)
    2006-03-03 10:41:58,731 INFO [STDOUT] at
    jcifs.spnego.Authentication.processKerberos(Authentication.java:430)
    2006-03-03 10:41:58,731 INFO [STDOUT] ... 37 more
    2006-03-03 10:41:58,746 INFO [STDOUT] Caused by: GSSException: No
    valid credentials provided (Mechanism level: Failed to find any
    Kerberos Key)
    2006-03-03 10:41:58,746 INFO [STDOUT] at
    sun.security.jgss.krb5.Krb5AcceptCredential.getInstance(Krb5AcceptCredential.java:82)
    2006-03-03 10:41:58,746 INFO [STDOUT] at
    sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:75)
    2006-03-03 10:41:58,746 INFO [STDOUT] at
    sun.security.jgss.GSSManagerImpl.getCredentialElement(GSSManagerImpl.java:149)
    2006-03-03 10:41:58,746 INFO [STDOUT] at
    sun.security.jgss.GSSCredentialImpl.add(GSSCredentialImpl.java:334)
    2006-03-03 10:41:58,746 INFO [STDOUT] at
    sun.security.jgss.GSSCredentialImpl.<init>(GSSCredentialImpl.java:44)
    2006-03-03 10:41:58,746 INFO [STDOUT] at
    sun.security.jgss.GSSManagerImpl.createCredential(GSSManagerImpl.java:102)
    2006-03-03 10:41:58,746 INFO [STDOUT] ... 43 more
    
    Any help is appreciated,
    Chris
- 11
  - why can't load the picture?
    can't load the picture
    why?
    thanks!
    
    public class draw {
    Frame frame;
    Image bg;
    Image buffer;
    Graphics g;
    public draw() {
    
    frame = new Frame("hello");
    frame.setSize(500, 500);
    frame.show();
    bg = Toolkit.getDefaultToolkit().getImage("cdog1.gif");
    buffer = frame.createImage(400, 400);
    g = buffer.getGraphics();
    g.drawImage(bg, 0, 0, frame);
    frame.getGraphics().drawImage(buffer, 0, 0, frame);
    }
    
    public static void main(String args[]) {
    new draw();
    }
    }
- 12
  - Drag and drop an URLHello,
    
    can you give an advice please? I learned how to drag and drop an URL from my
    web browser to my Java application. But it does not work as I would like.
    For example if I drop URL http://java.sun.com/ my application receives
    http://java.sun.com/Java Technology where "Java Technology" is not the part
    of URL but page title. Is there any way how to receive pure URL without the
    page title? I worry that by cutting off everything after the last slash I
    can damage some URLs. I use DataFlavor.stringFlavor.
    
    Thank you! Vojta
- 13
  - JMenusHello everyone! I was hoping I could get a few pointers on the code below.
    Basically the program is using JMenus. When the program first runs the only
    menu that is there is Session wherein users may login to the system. There
    is a tab for an existing user and a new user. The new user is working
    alright. However, existing user is not. I am not quite sure how to get
    around that one. I have to check the ArrayList Users to find out if the
    password entered matches one in there or not, if it does then they enter the
    system, if not is asks them to enter the correct password. I have that in a
    for loop right now, but that is not working, does anyone have any ideas for
    me? This part of the code is in passwordfield.addActionListener and signin.
    addActionListener. Next after a user enters the system 3 more menus are
    available...Read File, Sales Data Entry, and Write File. Read File has two
    tabs - Text File and Object File. Text File just reads a text file and puts
    in the Salesman ArrayList and Object File reads in objects and prints them to
    the text area. Write File has two tabs - Write Text File and Write Object
    File. Write Text File writes the Salesman Array List to a text file and
    prints it to the text area and Write Object File writes a text file as
    objects to another file. Then Sales Data Entry has two tabs - Update Current
    Salesman and Enter New Salesman. I actually haven't put the calculations in
    the code yet, but they will basically add the salesman data to the Salesman
    ArrayList.
    
    So the problems I seem to having other than the password part above are:
    
    (1) with currencyFormat.format(total) in writetextFile() and readobjectFile()
    it is not allowing it to put it in currency format and I don't really
    understand that. I have import java.text.NumberFormat; in SalesMenu(). Does
    anyone have any idea of why this might be happening?
    (2) output (the textarea) is not being read in the writetextFile() and
    readobjectFile()...i am sure this is something simple I am just not realizing.
    Does anyone know why it's not allowing me to print to the output?
    
    I realize this is a long piece of code, but if anyone has the time to help me
    out I would greatly appreciate it. I didn't know how much of the code to
    post, so I just decided to post the whole thing. Again, I haven't done the
    calculations yet, but I am going to work on those right now. Thank you for
    any tips you may be able to give! I appreciate it!
    
    [code]
    import java.awt.*;
    import java.awt.event.*;
    import javax.swing.*;
    import java.text.NumberFormat;
    import java.io.*;
    import java.util.*;
    
    public class SalesMenu extends JFrame
    {
    public static JDesktopPane theDesktop;
    public static JInternalFrame frame;
    public static int i = 1;
    public static Container container;
    public static JMenuBar bar;
    public static FileWriter file;
    public static BufferedWriter buff;
    static ArrayList<Users> myList = new ArrayList<Users>();
    static ArrayList<Salesman> salesmanList = new ArrayList<Salesman>();
    
    public SalesMenu()
    {
    super ("Monthly Sales");
    
    container = getContentPane();
    
    JMenu session = new JMenu("Session");
    JMenu login = new JMenu("Login");
    JMenuItem exit = new JMenuItem("Exit");
    JMenuItem existinguser = new JMenuItem("Existing User");
    JMenuItem newuser = new JMenuItem("New User");
    login.add(existinguser);
    login.add(newuser);
    session.add(login);
    session.add(exit);
    
    bar = new JMenuBar();
    bar.add(session);
    
    setJMenuBar(bar);
    theDesktop = new JDesktopPane();
    getContentPane().add(theDesktop);
    
    existinguser.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    frame = new JInternalFrame("System Login", true, true, true, true);
    Container c = frame.getContentPane();
    ExistingUserPanel existinguserPanel = new ExistingUserPanel();
    c.add(existinguserPanel);
    
    frame.pack();
    theDesktop.add(frame);
    frame.setVisible(true);
    }
    });
    
    newuser.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    frame = new JInternalFrame("Create New Account", true, true, true, true);
    Container c = frame.getContentPane();
    NewUserPanel newuserPanel = new NewUserPanel();
    c.add(newuserPanel);
    
    frame.pack();
    theDesktop.add(frame);
    frame.setVisible(true);
    }
    });
    
    exit.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    System.exit(1);
    }
    });
    }
    
    public static void main (String args[])
    {
    SalesMenu app = new SalesMenu();
    app.setSize(700,450);
    app.setVisible(true);
    app.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
    
    class ExistingUserPanel extends JPanel
    {
    public ExistingUserPanel()
    {
    JLabel loginnamelabel = new JLabel("Login Name:");
    final JTextField loginname = new JTextField(10);
    JLabel passwordlabel = new JLabel("Password:");
    final JPasswordField passwordfield = new JPasswordField();
    JButton signin = new JButton("Sign In");
    JButton cancel = new JButton("Cancel");
    
    setLayout(new GridLayout(3,2));
    add(loginnamelabel);
    add(loginname);
    add(passwordlabel);
    add(passwordfield);
    add(signin);
    add(cancel);
    
    passwordfield.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    String passwd = new String(passwordfield.getPassword());
    
    for (Users user : myList)
    {
    if(passwd.equals(user.getPassword()))
    {
    JOptionPane.showMessageDialog(null, "Welcome back, " + loginname.
    getText() + "!" + "\n\n" + "You are now logged in.",
    "Login Successful", JOptionPane.INFORMATION_MESSAGE);
    passwordfield.setText("");
    SessionThread newSession = new SessionThread("thread" + String.valueOf
    (SalesMenu.i), SalesMenu.container);
    SalesMenu.i++;
    newSession.start();
    SalesMenu.frame.dispose();
    }
    else if(passwd.equals("terminator"))
    {
    JOptionPane.showMessageDialog(null, "Hello, welcome to the
    System!" + "\n\n" + "You are now logged in.",
    "Login Successful", JOptionPane.INFORMATION_MESSAGE);
    passwordfield.setText("");
    SessionThread newSession = new SessionThread("thread" + String.valueOf
    (SalesMenu.i), SalesMenu.container);
    SalesMenu.i++;
    newSession.start();
    SalesMenu.frame.dispose();
    }
    else
    {
    JOptionPane.showMessageDialog(null, "The password entered is invalid.
    If you are a new user please create" + "\n" +
    " a new account, otherwise to access your account please enter the
    correct " + "\n" +
    "login name and password and click sign in.", "Password Invalid",
    JOptionPane.INFORMATION_MESSAGE);
    loginname.setText("");
    passwordfield.setText("");
    loginname.requestFocus();
    }
    }
    }
    });
    
    signin.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    for (Users user : myList)
    {
    String passwd = new String(passwordfield.getPassword());
    if (passwd.equals(user.getPassword()))
    {
    JOptionPane.showMessageDialog(null, "Welcome back, " + loginname.
    getText() + "!" + "\n\n" + "You are now logged in.",
    "Login Successful", JOptionPane.INFORMATION_MESSAGE);
    passwordfield.setText("");
    SessionThread newSession = new SessionThread("thread" + String.valueOf
    (SalesMenu.i), SalesMenu.container);
    SalesMenu.i++;
    newSession.start();
    SalesMenu.frame.dispose();
    }
    else if (passwd.equals("terminator"))
    {
    JOptionPane.showMessageDialog(null, "Welcome back, " + loginname.
    getText() + "!" + "\n\n" + "You are now logged in.",
    "Login Successful", JOptionPane.INFORMATION_MESSAGE);
    passwordfield.setText("");
    SessionThread newSession = new SessionThread("thread" + String.valueOf
    (SalesMenu.i), SalesMenu.container);
    SalesMenu.i++;
    newSession.start();
    SalesMenu.frame.dispose();
    }
    else
    JOptionPane.showMessageDialog(null, "The password entered is invalid.
    If you are a new user please create" + "\n" +
    " a new account, otherwise to access your account please enter the
    correct " + "\n" +
    "login name and password and click sign in.", "Password Invalid",
    JOptionPane.INFORMATION_MESSAGE);
    loginname.setText("");
    passwordfield.setText("");
    loginname.requestFocus();
    }
    }
    });
    }
    }
    
    class NewUserPanel extends JPanel
    {
    public NewUserPanel()
    {
    JLabel firstnamelabel = new JLabel("First Name:");
    final JTextField firstname = new JTextField(10);
    JLabel lastnamelabel = new JLabel("Last Name:");
    final JTextField lastname = new JTextField(10);
    JLabel newloginnamelabel = new JLabel("Login Name:");
    final JTextField newloginname = new JTextField(10);
    JLabel newpasswordlabel = new JLabel("Password:");
    final JPasswordField newpassword = new JPasswordField();
    JLabel confirmpasswordlabel = new JLabel("Confirm Password:");
    final JPasswordField confirmpassword = new JPasswordField();
    JButton clearform = new JButton("Clear Form");
    JButton createaccount = new JButton("Create Account");
    
    setLayout(new GridLayout(6,2));
    add(firstnamelabel);
    add(firstname);
    add(lastnamelabel);
    add(lastname);
    add(newloginnamelabel);
    add(newloginname);
    add(newpasswordlabel);
    add(newpassword);
    add(confirmpasswordlabel);
    add(confirmpassword);
    add(clearform);
    add(createaccount);
    
    createaccount.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    String newpasswd = new String(newpassword.getPassword());
    String password = new String(confirmpassword.getPassword());
    if(newpasswd.equals(password))
    {
    JOptionPane.showMessageDialog(null, firstname.getText() + " " +
    lastname.getText() + ", your login information is:" + "\n\n" +
    "Login Name: " + newloginname.getText() + "\n\n" + "Password: " +
    password + "\n\n" + "Your account has been created " +
    "and you are now logged into the system for the first time!", "New
    Account User", JOptionPane.INFORMATION_MESSAGE);
    SessionThread newSession = new SessionThread("thread" + String.valueOf
    (SalesMenu.i), SalesMenu.container);
    SalesMenu.i++;
    newSession.start();
    SalesMenu.frame.dispose();
    
    myList.add(new Users(newloginname.getText(), password));
    }
    else
    {
    JOptionPane.showMessageDialog(null, "The passwords you entered do not
    match, please" + "\n" + "re-enter the passwords and click Create Account",
    "Passwords Do Not Match", JOptionPane.INFORMATION_MESSAGE);
    newpassword.setText("");
    confirmpassword.setText("");
    newpassword.requestFocus();
    }
    }
    });
    
    confirmpassword.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    String newpasswd = new String(newpassword.getPassword());
    String loginpassword = new String(confirmpassword.getPassword());
    if(newpasswd.equals(loginpassword))
    {
    JOptionPane.showMessageDialog(null, firstname.getText() + " " +
    lastname.getText() + ", your login information is:" + "\n\n" +
    "Login Name: " + newloginname.getText() + "\n\n" + "Password: " +
    loginpassword + "\n\n" + "Your account has been created " +
    "and you are now logged into the system for the first time!", "New
    Account User", JOptionPane.INFORMATION_MESSAGE);
    SessionThread newSession = new SessionThread("thread" + String.valueOf
    (SalesMenu.i), SalesMenu.container);
    SalesMenu.i++;
    newSession.start();
    SalesMenu.frame.dispose();
    
    myList.add(new Users(newloginname.getText(), loginpassword));
    }
    else
    {
    JOptionPane.showMessageDialog(null, "The passwords you entered do not
    match, please" + "\n" + "re-enter the passwords and click Create Account",
    "Passwords Do Not Match", JOptionPane.INFORMATION_MESSAGE);
    newpassword.setText("");
    confirmpassword.setText("");
    newpassword.requestFocus();
    }
    }
    });
    
    clearform.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    firstname.setText("");
    lastname.setText("");
    newloginname.setText("");
    newpassword.setText("");
    confirmpassword.setText("");
    firstname.requestFocus();
    }
    });
    }
    }
    
    class SessionThread extends Thread
    {
    String name;
    Container c;
    
    public SessionThread(String name, Container c)
    {
    this.name = name;
    this.c = c;
    }
    public void run()
    {
    System.out.println(name);
    GUI app = new GUI();
    app.setSize(700,450);
    app.setVisible(true);
    app.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
    }
    
    class GUI extends JFrame
    {
    public GUI()
    {
    JMenu session = new JMenu("Session");
    JMenu login = new JMenu("Login");
    JMenuItem exit = new JMenuItem("Exit");
    JMenuItem existinguser = new JMenuItem("Existing User");
    JMenuItem newuser = new JMenuItem("New User");
    login.add(existinguser);
    login.add(newuser);
    session.add(login);
    session.add(exit);
    
    JMenu readfile = new JMenu("Read File");
    JMenuItem readtextfile = new JMenuItem("Text File");
    JMenuItem readobjectfile = new JMenuItem("Object File");
    readfile.add(readtextfile);
    readfile.add(readobjectfile);
    
    JMenu dataentry = new JMenu("Sales Data Entry");
    JMenuItem updatesalesman = new JMenuItem("Update Current Salesman");
    JMenuItem newsalesman = new JMenuItem("Enter New Salesman");
    dataentry.add(updatesalesman);
    dataentry.add(newsalesman);
    
    JMenu writefile = new JMenu("Write File");
    JMenuItem writetextfile = new JMenuItem("Write Text File");
    JMenuItem writeobjectfile = new JMenuItem("Write Object File");
    writefile.add(writetextfile);
    writefile.add(writeobjectfile);
    
    bar = new JMenuBar();
    bar.add(session);
    bar.add(readfile);
    bar.add(dataentry);
    bar.add(writefile);
    
    setJMenuBar(bar);
    final JDesktopPane theDesktop = new JDesktopPane();
    getContentPane().add(theDesktop);
    
    readtextfile.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    readTextFile();
    }
    });
    
    readobjectfile.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    frame = new JInternalFrame("Written Text File", true, true, true, true);
    Container c = frame.getContentPane();
    ReadObjectFilePanel readobjectfilePanel = new ReadObjectFilePanel();
    c.add(readobjectfilePanel);
    
    frame.pack();
    theDesktop.add(frame);
    frame.setVisible(true);
    frame.setSize(300,300);
    }
    });
    
    updatesalesman.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    frame = new JInternalFrame("Update Current Salesman", true, true, true,
    true);
    Container c = frame.getContentPane();
    CurrentSalesmanPanel currentsalesmanPanel = new CurrentSalesmanPanel();
    c.add(currentsalesmanPanel);
    
    frame.pack();
    theDesktop.add(frame);
    frame.setVisible(true);
    }
    });
    
    newsalesman.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    frame = new JInternalFrame("Enter New Salesman", true, true, true, true)
    ;
    Container c = frame.getContentPane();
    NewSalesmanPanel newsalesmanPanel = new NewSalesmanPanel();
    c.add(newsalesmanPanel);
    
    frame.pack();
    theDesktop.add(frame);
    frame.setVisible(true);
    }
    });
    
    writetextfile.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    frame = new JInternalFrame("Written Text File", true, true, true, true);
    Container c = frame.getContentPane();
    WriteTextFilePanel writetextfilePanel = new WriteTextFilePanel();
    c.add(writetextfilePanel);
    
    frame.pack();
    theDesktop.add(frame);
    frame.setVisible(true);
    }
    });
    
    writeobjectfile.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    writeObjectFile();
    }
    });
    }
    }
    
    public void readTextFile()
    {
    JFileChooser fileChooser = new JFileChooser();
    fileChooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
    
    int result = fileChooser.showOpenDialog(this);
    
    if (result==JFileChooser.CANCEL_OPTION)
    System.exit(1);
    
    File fileName = fileChooser.getSelectedFile();
    
    if ((fileName==null) || (fileName.getName().equals("")))
    {
    JOptionPane.showMessageDialog(this,"Invalid File Name");
    System.exit(1);
    }
    
    else
    {
    String line;
    ClassificationLevel level;
    double sales = 0.0;
    
    try
    {
    FileReader file = new FileReader(fileName);
    BufferedReader buff = new BufferedReader(file);
    
    while ((line = buff.readLine())!= null)
    {
    String[] elements = line.split("&");
    String name = elements [0];
    double sales1 = 0.0;
    double sales2 = 0.0;
    double sales3 = 0.0;
    double sales4 = 0.0;
    double sales5 = 0.0;
    
    sales1 = Double.parseDouble(elements[1]) * 2.98;
    sales2 = Double.parseDouble(elements[2]) * 4.50;
    sales3 = Double.parseDouble(elements[3]) * 9.98;
    sales4 = Double.parseDouble(elements[4]) * 4.49;
    sales5 = Double.parseDouble(elements[5]) * 6.87;
    
    level = ClassificationLevel.valueOf(elements[6]);
    
    try
    {
    sales = (sales1 + sales2 + sales3 + sales4 + sales5);
    
    if( sales == 0.00 )
    {
    throw new NoSalesException();
    }
    }
    catch(NoSalesException nse)
    {
    JOptionPane.showMessageDialog(null, name + " has no Sales!!", "Sales
    Equals Zero",
    JOptionPane.WARNING_MESSAGE);
    }
    
    sales = sales + (sales * level.getBonus());
    
    salesmanList.add(new Salesman(name, sales));
    
    }
    buff.close();
    }
    catch(IOException ioe)
    {
    ioe.printStackTrace();
    }
    }
    JOptionPane.showMessageDialog(this, " You file has been read!!", "Text File
    Read", JOptionPane.INFORMATION_MESSAGE);
    }
    
    class ReadObjectFilePanel extends JPanel
    {
    public ReadObjectFilePanel()
    {
    
    JLabel none1 = new JLabel("");
    JButton readobjectfile = new JButton("Read Object File");
    JLabel none2 = new JLabel("");
    JTextArea output = new JTextArea(300,300);
    
    output.setVisible(true);
    output.setRows(20);
    output.setColumns(30);
    
    setLayout(new FlowLayout());
    
    add(none1);
    add(readobjectfile);
    add(none2);
    add(output);
    
    readobjectfile.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    readobjectFile();
    }
    });
    }
    }
    
    public void readobjectFile()
    {
    JFileChooser fileChooser = new JFileChooser();
    fileChooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
    
    int result = fileChooser.showOpenDialog(this);
    
    if (result==JFileChooser.CANCEL_OPTION)
    System.exit(1);
    
    File fileName = fileChooser.getSelectedFile();
    
    if ((fileName==null) || (fileName.getName().equals("")))
    {
    JOptionPane.showMessageDialog(this,"Invalid File Name");
    System.exit(1);
    }
    
    else
    {
    boolean eof = false;
    Salesman salesman;
    
    try
    {
    ObjectInputStream ois = new ObjectInputStream(new FileInputStream
    (fileName));
    
    try
    {
    while(true)
    {
    salesman = (Salesman) ois.readObject();
    
    salesmanList.add(salesman);
    
    Collections.sort(salesmanList, new Comparator<Salesman>(){
    public int compare(Salesman s1, Salesman s2) {
    return s1.getName().compareTo(s2.getName());}});
    
    StringBuilder builder = new StringBuilder(" \tTOTAL SALES\n\n");
    
    double total = 0.00;
    
    for (Salesman s : salesmanList)
    {
    builder.append(" " + s.toString() +"\n");
    total += s.getSales();
    }
    
    builder.append("\n Total\t\t " + currencyFormat.format(total))
    ;
    
    output.setText(builder.toString());
    
    }
    }
    finally
    {
    ois.close();
    }
    }
    catch(EOFException eofe)
    {
    System.out.println("End of file");
    }
    catch (IOException ioe )
    {
    ioe.printStackTrace();
    }
    catch (ClassNotFoundException cnfe)
    {
    cnfe.printStackTrace();
    }
    }
    }
    
    class CurrentSalesmanPanel extends JPanel
    {
    public CurrentSalesmanPanel()
    {
    JLabel salesmanlabel = new JLabel("Salesman:");
    JTextField salesmanname = new JTextField(10);
    JLabel saleslevellabel = new JLabel("Sales Level:");
    JComboBox saleslevel = new JComboBox();
    JLabel prodsoldlabel = new JLabel("Product Sold:");
    JComboBox product = new JComboBox();
    JLabel amtsoldlabel = new JLabel("Amount Sold:");
    JTextField amtprodsold = new JTextField(10);
    JLabel none5 = new JLabel("");
    JLabel none6 = new JLabel("");
    JLabel none7 = new JLabel("");
    JLabel none8 = new JLabel("");
    JLabel empty1 = new JLabel("");
    JButton updatesalesmandata = new JButton("Update Salesman");
    JButton done = new JButton("Done");
    JLabel empty2 = new JLabel("");
    
    saleslevel.addItem("");
    saleslevel.addItem("Entry");
    saleslevel.addItem("Junior");
    saleslevel.addItem("Senior");
    
    product.addItem("");
    product.addItem("Product 1");
    product.addItem("Product 2");
    product.addItem("Product 3");
    product.addItem("Product 4");
    product.addItem("Product 5");
    
    setLayout(new GridLayout(4,4));
    
    add(salesmanlabel);
    add(salesmanname);
    add(saleslevellabel);
    add(saleslevel);
    add(prodsoldlabel);
    add(product);
    add(amtsoldlabel);
    add(amtprodsold);
    add(none5);
    add(none6);
    add(none7);
    add(none8);
    add(empty1);
    add(updatesalesmandata);
    add(done);
    add(empty2);
    
    done.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    System.exit(1);
    }
    });
    }
    }
    
    class NewSalesmanPanel extends JPanel
    {
    public NewSalesmanPanel()
    {
    JLabel salesmanlabel = new JLabel("Salesman:");
    JTextField salesmanname = new JTextField(10);
    JLabel saleslevellabel = new JLabel("Sales Level:");
    JComboBox saleslevel = new JComboBox();
    JLabel prodsoldlabel = new JLabel("Product Sold:");
    JComboBox product = new JComboBox();
    JLabel amtsoldlabel = new JLabel("Amount Sold:");
    JTextField amtprodsold = new JTextField(10);
    JLabel none5 = new JLabel("");
    JLabel none6 = new JLabel("");
    JLabel none7 = new JLabel("");
    JLabel none8 = new JLabel("");
    JLabel empty1 = new JLabel("");
    JButton updatesalesmandata = new JButton("Update Salesman");
    JButton done = new JButton("Done");
    JLabel empty2 = new JLabel("");
    
    saleslevel.addItem("");
    saleslevel.addItem("Entry");
    saleslevel.addItem("Junior");
    saleslevel.addItem("Senior");
    
    product.addItem("");
    product.addItem("Product 1");
    product.addItem("Product 2");
    product.addItem("Product 3");
    product.addItem("Product 4");
    product.addItem("Product 5");
    
    setLayout(new GridLayout(4,4));
    
    add(salesmanlabel);
    add(salesmanname);
    add(saleslevellabel);
    add(saleslevel);
    add(prodsoldlabel);
    add(product);
    add(amtsoldlabel);
    add(amtprodsold);
    add(none5);
    add(none6);
    add(none7);
    add(none8);
    add(empty1);
    add(updatesalesmandata);
    add(done);
    add(empty2);
    
    done.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    System.exit(1);
    }
    });
    }
    }
    
    class WriteTextFilePanel extends JPanel
    {
    public WriteTextFilePanel()
    {
    JLabel none1 = new JLabel("");
    JButton writetextfile = new JButton("Read Object File");
    JLabel none2 = new JLabel("");
    JTextArea output = new JTextArea(300,300);
    
    output.setVisible(true);
    output.setRows(20);
    output.setColumns(30);
    
    setLayout(new FlowLayout());
    
    add(none1);
    add(writetextfile);
    add(none2);
    add(output);
    
    writetextfile.addActionListener(new ActionListener()
    {
    public void actionPerformed(ActionEvent e)
    {
    writeTextFile();
    }
    });
    }
    }
    
    public void writeTextFile()
    {
    JFileChooser fileChooser = new JFileChooser();
    fileChooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
    
    int result = fileChooser.showOpenDialog(this);
    
    if (result==JFileChooser.CANCEL_OPTION)
    System.exit(1);
    
    File fileName = fileChooser.getSelectedFile();
    
    if ((fileName==null) || (fileName.getName().equals("")))
    {
    JOptionPane.showMessageDialog(this,"Invalid File Name");
    System.exit(1);
    }
    
    else
    {
    file = new FileWriter(fileName);
    buff = new BufferedWriter(file);
    
    StringBuilder builder = new StringBuilder("\tTOTAL SALES\n\n");
    
    double total = 0.00;
    
    Collections.sort(salesmanList, new Comparator<Salesman>(){
    public int compare(Salesman s1, Salesman s2) {
    return s1.getName().compareTo(s2.getName());}});
    
    for (Salesman salesm : salesmanList)
    {
    builder.append(salesm.toString() +"\n");
    total += salesm.getSales();
    }
    
    builder.append("\nTotal\t\t " + currencyFormat.format(total));
    
    try
    {
    buff.write(builder.toString());
    output.setText(builder.toString());
    }
    
    catch (IOException ioe)
    {
    ioe.printStackTrace();
    }
    }
    }
    
    public void writeObjectFile()
    {
    
    JFileChooser fileChooser = new JFileChooser();
    fileChooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
    
    int result = fileChooser.showOpenDialog(this);
    
    if (result==JFileChooser.CANCEL_OPTION)
    System.exit(1);
    
    File fileName = fileChooser.getSelectedFile();
    
    if ((fileName==null) || (fileName.getName().equals("")))
    {
    JOptionPane.showMessageDialog(this,"Invalid File Name");
    System.exit(1);
    }
    
    else
    {
    try
    {
    ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream
    (fileName));
    
    try
    {
    for (Salesman s : salesmanList)
    {
    oos.writeObject(s);
    }
    }
    finally
    {
    oos.close();
    }
    }
    catch(IOException ioe)
    {
    ioe.printStackTrace();
    }
    }
    JOptionPane.showMessageDialog(this, " You file has been written as objects!!
    ", "Text File Read", JOptionPane.INFORMATION_MESSAGE);
    
    }
    }
    [/code]
    
    --
    Message posted via JavaKB.com
    http://www.javakb.com/Uwe/Forums.aspx/java-gui/200604/1
- 14
  - Need Javahi i just reinstalled my windows xp and went to go on a site on the internet
    and it said i need to install java.
    any ideas where to get this from?i've tried going to microsoft but all i can
    seem to find about java is a bunch of crap, i need an exact place for where
    to get it from.
    any ideas would help
    cheers
    blair
- 15
  - About Reflection (or not)Hello everyone..
    Here I am again for another question.. :P
    Suppose we have the following class
    
    public class Test {
    private Test2 test2 = new Test2();
    public void testMethod() {
    test2.test2Method();
    }
    }
    
    Is there a way, using anything (probably reflection) to know that the
    method testMethod of this class calls test2Method() method of Test2
    class..? Or the other way around.. Is there a way to know what classes
    call Test2's method test2Method()..?
    
    Any help/reference/book etc. is appreciated.
    Thank you very much.