descent.internal.unittest.ui.CopyFailureListAction.java Source code

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Here is the source code for descent.internal.unittest.ui.CopyFailureListAction.java

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/*******************************************************************************
 * Copyright (c) 2000, 2006 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package descent.internal.unittest.ui;

import org.eclipse.swt.SWTError;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.dialogs.MessageDialog;

import org.eclipse.ui.PlatformUI;

import descent.internal.ui.JavaPlugin;

import descent.internal.unittest.model.TestCaseElement;
import descent.internal.unittest.model.TestElement;
import descent.unittest.ITestResult;

/**
 * Copies the names of the methods that failed and their traces to the clipboard.
 */
public class CopyFailureListAction extends Action {

    private final Clipboard fClipboard;
    private final TestRunnerViewPart fRunner;

    public CopyFailureListAction(TestRunnerViewPart runner, Clipboard clipboard) {
        super(JUnitMessages.CopyFailureList_action_label);
        fRunner = runner;
        fClipboard = clipboard;
        PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJUnitHelpContextIds.COPYFAILURELIST_ACTION);
    }

    /*
     * @see IAction#run()
     */
    public void run() {
        TextTransfer plainTextTransfer = TextTransfer.getInstance();

        try {
            fClipboard.setContents(new String[] { getAllFailureTraces() }, new Transfer[] { plainTextTransfer });
        } catch (SWTError e) {
            if (e.code != DND.ERROR_CANNOT_SET_CLIPBOARD)
                throw e;
            if (MessageDialog.openQuestion(JavaPlugin.getActiveWorkbenchShell(),
                    JUnitMessages.CopyFailureList_problem, JUnitMessages.CopyFailureList_clipboard_busy))
                run();
        }
    }

    public String getAllFailureTraces() {
        StringBuffer buf = new StringBuffer();
        TestElement[] failures = fRunner.getAllFailures();

        String lineDelim = System.getProperty("line.separator", "\n"); //$NON-NLS-1$//$NON-NLS-2$
        for (int i = 0; i < failures.length; i++) {
            TestElement failure = failures[i];
            if (null == failure || !(failure instanceof TestCaseElement))
                continue;

            TestCaseElement testCaseElement = (TestCaseElement) failure;
            ITestResult result = testCaseElement.getResult();
            String failureTrace = TraceUtil.getTraceAsString(result);

            buf.append(failure.getName()).append(lineDelim);
            if (failureTrace != null) {
                int start = 0;
                while (start < failureTrace.length()) {
                    int idx = failureTrace.indexOf('\n', start);
                    if (idx != -1) {
                        String line = failureTrace.substring(start, idx);
                        buf.append(line).append(lineDelim);
                        start = idx + 1;
                    } else {
                        start = Integer.MAX_VALUE;
                    }
                }
            }
        }
        return buf.toString();
    }

}