org.dtangler.swingui.windowmanager.impl.ErrorDisplayComponent.java Source code

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Here is the source code for org.dtangler.swingui.windowmanager.impl.ErrorDisplayComponent.java
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//This product is provided under the terms of EPL (Eclipse Public License) 
//version 1.0.
//
//The full license text can be read from: http://www.eclipse.org/org/documents/epl-v10.php

package org.dtangler.swingui.windowmanager.impl;

import javax.swing.JComponent;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;

import com.jgoodies.forms.builder.DefaultFormBuilder;
import com.jgoodies.forms.layout.FormLayout;

public class ErrorDisplayComponent {

    private final JTextArea detailsField;
    private final JComponent viewComponent;

    ErrorDisplayComponent(Throwable t) {
        detailsField = createDetailsField();
        viewComponent = createViewComponent(detailsField);
        setDetails(t);
    }

    private JTextArea createDetailsField() {
        JTextArea area = new JTextArea();
        area.setName("detailsField");
        area.setEditable(false);
        return area;
    }

    private JComponent createViewComponent(JTextArea detailsField) {
        DefaultFormBuilder builder = new DefaultFormBuilder(
                new FormLayout("fill:250dlu:grow", "p,8dlu,p,p,p,8dlu,p,fill:50dlu:grow"));

        builder.append("An internal error has occured.");
        builder.nextRow();
        builder.append("<html>If you like, you can report the error to <b>contact@dtangler.org</b>");
        builder.append("Reporting the error to us will help us improve this tool\n");
        builder.append("Thank you and sorry for the inconvenience.");
        builder.nextRow();
        builder.appendSeparator("Error details");
        builder.append(new JScrollPane(detailsField));
        return builder.getPanel();
    }

    private void setDetails(Throwable t) {
        StringBuilder sb = new StringBuilder();
        sb.append(getMessage(t));
        sb.append("\nat:\n");
        for (StackTraceElement item : t.getStackTrace()) {
            sb.append(item);
            sb.append("\n");
        }
        detailsField.setText(sb.toString());
        detailsField.setCaretPosition(0);
    }

    private String getMessage(Throwable t) {
        StringBuilder sb = new StringBuilder();
        sb.append(t.getClass().getSimpleName());
        if (t.getMessage() != null && !"".equals(t.getMessage()) && !t.getMessage().equals("null"))
            sb.append("\nmessage: " + t.getMessage());
        return sb.toString();
    }

    public JComponent getViewComponent() {
        return viewComponent;
    }
}