- package junit.swingui;
-
- import java.awt.*;
- import java.util.*;
-
- import javax.swing.*;
- import junit.framework.TestFailure;
- import junit.runner.*;
-
- /**
- * A view that shows a stack trace of a failure
- */
- public class DefaultFailureDetailView implements FailureDetailView {
- JList fList;
-
- /**
- * A ListModel representing the scanned failure stack trace.
- */
- static class StackTraceListModel extends AbstractListModel {
- private Vector fLines= new Vector(20);
-
- public Object getElementAt(int index) {
- return fLines.elementAt(index);
- }
-
- public int getSize() {
- return fLines.size();
- }
-
- public void setTrace(String trace) {
- scan(trace);
- fireContentsChanged(this, 0, fLines.size());
- }
-
- public void clear() {
- fLines.removeAllElements();
- fireContentsChanged(this, 0, fLines.size());
- }
-
- private void scan(String trace) {
- fLines.removeAllElements();
- StringTokenizer st= new StringTokenizer(trace, "\n\r", false);
- while (st.hasMoreTokens())
- fLines.add(st.nextToken());
- }
- }
-
- /**
- * Renderer for stack entries
- */
- static class StackEntryRenderer extends DefaultListCellRenderer {
-
- public Component getListCellRendererComponent(
- JList list, Object value, int modelIndex,
- boolean isSelected, boolean cellHasFocus) {
- String text= ((String)value).replace('\t', ' ');
- Component c= super.getListCellRendererComponent(list, text, modelIndex, isSelected, cellHasFocus);
- setText(text);
- setToolTipText(text);
- return c;
- }
- }
-
- /**
- * Returns the component used to present the trace
- */
- public Component getComponent() {
- if (fList == null) {
- fList= new JList(new StackTraceListModel());
- fList.setFont(new Font("Dialog", Font.PLAIN, 12));
- fList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
- fList.setVisibleRowCount(5);
- fList.setCellRenderer(new StackEntryRenderer());
- }
- return fList;
- }
-
- /**
- * Shows a TestFailure
- */
- public void showFailure(TestFailure failure) {
- getModel().setTrace(BaseTestRunner.getFilteredTrace(failure.trace()));
- }
- /**
- * Clears the output.
- */
- public void clear() {
- getModel().clear();
- }
-
- private StackTraceListModel getModel() {
- return (StackTraceListModel)fList.getModel();
- }
- }