Sophiya Behera

Hi all,
I am trying a simple java program using hibernate. I am trying to add data to a table in db. While executing the program, it does not throw any error. But data is not getting updated. I think i am missing some minor things. Please help me out.


Regards
Sophiya

Hi all,
I am really confused whether swing follows MVC architecture or not. I searched in internet. But i am not satisfied with the explanations given. If somebody is clear about this topis, Please reply.


Regards
Sophiya

Hi Campbell/Ogranos,
I was wrong in parametrising hashmap. I was getting data from a hashmap from a class and putting into another hashmap in a different class. The source hashmap was not parametrised. Now my issue is resolved. Thanks for your help guys.



Regards
Sophiya

Hi Campbell,
I am already using parametrised hashmap. But still i am getting this kind of error. Please suggest.


Regards
Sophiya

Hi Ogranos,
Thanks for your reply. But i have already tested with instanceof operator.

System.out.println(entry.getValue() instanceof java.lang.Integer); output : false
System.out.println(entry.getValue() instanceof java.lang.String) ; compilation error

I have tried to use Integer.parseInt and intValue. It's not working. If i keep curser on entry.getValue(), then it shows Integer type. Please suggest.


Regards
Sophiya

Hi All,
Please refe to the below piece of code. I am trying set a value(fetched from a hash map) in a setter . It's showing "java.lang.String cannot be cast to java.lang.Integer" error. But the value i am setting is integer type and the value to be set is also inteher type. When,i tried setting a hard coded integer value, it's setting properly without any error. But when i am fetching that value from a hashmap, it's showing the above mentioned error. Please help me out in this.
for (Iterator it = ParametersHashMap.entrySet().iterator(); it.hasNext();) { Map.Entry<String,Integer> entry = (Map.Entry<String,Integer>)it.next(); /*System.out.println("entry.getValue()"+entry.getValue()); tempVar = ParametersHashMap.get("LIFETIME MAXIMUM CURRENT"); System.out.println("entry.getValue()"+entry.getValue()); */ if(((entry.getKey()) != null)&& ((entry.getKey().toString()).equalsIgnoreCase("ACTUAL SPEED"))){ //actuatorData.getActuatorParam().setActualSpeed(entry.getValue().toString()); tempVar = entry.getValue(); actuatorData.getActuatorParam().setActualSpeed(entry.getValue()); //error actuatorData.getActuatorParam().setActualSpeed(); //NO ERROR } }

Regards
Sophiya

The iterator code is in a different clas...

Regards
Sophiya

here it is...

import java.awt.Dimension; import javax.swing.JLabel; import javax.swing.JMenuBar; import javax.swing.JPanel; import javax.swing.JTabbedPane; import javax.swing.JTextField; import com.skf.actuator.ui.IUIManager; /** * 'LabelAndTextFieldComponentClass' class adds a label and Textfield as a single Panel * * @author 248481 * */ public class LabelAndTextFieldComponentClass implements IUIManager { /** * This field jLabel of type JLabel will hold the * Label used for the application * **/ public JLabel jLabel; /** * This field junitLabel of type JLabel will hold the * Unit Label used for the application * **/ public JLabel junitLabel; /** * This field jtextField of type JTextField will hold the * textfield used for the application * **/ public JTextField jtextField; /** * This field panel of type JPanel will hold the * label and textfield used for the application * **/ private JPanel panel; /** * LabelAndTextFieldComponentClass Class Constructor **/ public LabelAndTextFieldComponentClass(String Label, String unit) { //Declaring Label jLabel = new JLabel(); junitLabel=new JLabel(); //Declaring Textfield jtextField = new JTextField(); //Declaring Panel panel = new JPanel(); //Setting properties for the Panel panel.setMinimumSize(new Dimension(300, 50)); panel.setPreferredSize(new Dimension(300, 50)); panel.setMaximumSize(new Dimension(300, 50)); //Passing label and unit as parameters to JLabelandTextfieldcomponent JLabelandTextfieldcomponent(Label,unit); } private void JLabelandTextfieldcomponent(String Label, String Unit) { jLabel.setText(Label); junitLabel.setText(Unit); // Setting Properties for label jLabel.setPreferredSize(new Dimension(148,40)); jLabel.setMinimumSize(new Dimension(148,40)); jLabel.setMaximumSize(new Dimension(148,40)); // Setting Properties for textField jtextField.setPreferredSize(new Dimension(70,25)); jtextField.setMinimumSize(new Dimension(70,25)); jtextField.setMaximumSize(new Dimension(70,25)); // Setting Properties for unitlabel junitLabel.setPreferredSize(new Dimension(50,30)); junitLabel.setMinimumSize(new Dimension(50,30)); junitLabel.setMaximumSize(new Dimension(50,30)); //Adding components into panel panel.add(jLabel); panel.add(jtextField); panel.add(junitLabel); } // To return the PanelComponent of the Class public JPanel getComponent() { // TODO Auto-generated method stub return panel; } // To return the MenuComponent of the Class public JMenuBar getMenucomponent() { // TODO Auto-generated method stub return null; } public void jinit() { return ; } public JLabel getjLabel() { return jLabel; } public void setjLabel(JLabel jLabel) { this.jLabel = jLabel; } public JLabel getJunitLabel() { return junitLabel; } public void setJunitLabel(JLabel junitLabel) { this.junitLabel = junitLabel; } public JTextField getJtextField() { return jtextField; } public void setJtextField(JTextField jtextField) { this.jtextField = jtextField; } // To return the TabbedComponent of the Class public JTabbedPane getCustomComponent() { // TODO Auto-generated method stub return null; } }

Hi Swastik,
Regarding the loop termination, what you said is right. But regarding my issue, i have tried to use threading concept. The panel containing the jtextfields is declared as a customized jpanel. Please refer to the below code and suggest.

//INTERFACE public interface IRefreshableAppendable { public void append(String s); public void refresh(); } //CLASS implementing the above INTERFACE import javax.swing.JPanel; import javax.swing.JTabbedPane; import javax.swing.SwingUtilities; import com.skf.actuator.ui.IRefreshableAppendable; import javax.swing.JTextField; public class RefreshAppendableJPanel extends JPanel implements IRefreshableAppendable { @Override public void append(String txt) { invalidate(); refresh(); } @Override public void refresh() { try { final RefreshAppendableJPanel r = this; SwingUtilities.invokeLater(new Runnable() { public void run() { r.getParent().validate(); } }); } catch (Exception e) {} } } //Panel containing jtextfields is declared as follows : private RefreshAppendableJPanel actuatorParameterComponentPanel = new RefreshAppendableJPanel(); //Adding the combination of jlabel and jtextfield to the above declared panel : actuatorParameterComponentPanel.add(labelandTextFieldComponent.getComponent(), new GridBagConstraints(1, 1, 1, 1, 1.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(0,0 , 0, 0), 0, 0)); //Refreshing the panel actuatorParameterComponentPanel.refresh();

Regards
Sophiya

I will explain the whole scenario. I have a panel containing text fields. I am trying to update the same by fetching new values(text) from a xml file using hashmap. and i am browsing for the xml file(Jfilechooser) in the local system.

yes... you are absolutely right...

yes, entry.getValue().toString()) is to show the value in hashmap and it's displaying the value.

Hi all,
I am trying to update jtextfield at runtime with new values, which are fetched from a hashmap. But the jtextfield text is not updating. Please refer to the below code. Please suggest, where i am going wrong. Thanks in advance.

for (Iterator it = actuatParam.entrySet().iterator(); it.hasNext();) { Map.Entry entry = (Map.Entry)it.next(); if(((entry.getKey()) != null)&& ((entry.getKey()).equals("Actual Position"))){ System.out.println("before"+labelandTextFieldComponent.jtextField.getText()); labelandTextFieldComponent.jtextField.setText(entry.getValue().toString()); System.out.println("after"+labelandTextFieldComponent.jtextField.getText()); System.out.println(entry.getValue().toString()); } }

Regards
Sophiya

Hi Michael,
My issue is resolved and the reson what you have specified is quite similar to my issue. Thanks for your reply.


Regards
Sophiya

Hi Swastik,
My issue is resolved. I have taken the same approach, but i was going wrong while accessing array of buttons. Everytime the values in the array was getting initialised. Thnks for your code.


Regards
Sophiya