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/*******************************************************************************
* Copyright (c) 2000, 2005 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 org.eclipse.jdt.internal.junit.launcher;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.window.Window;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.dialogs.ElementListSelectionDialog;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationType;
import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
import org.eclipse.debug.core.ILaunchManager;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.debug.ui.IDebugModelPresentation;
import org.eclipse.debug.ui.ILaunchShortcut;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
import org.eclipse.jdt.ui.JavaElementLabelProvider;
import org.eclipse.jdt.ui.JavaElementLabels;
import org.eclipse.jdt.internal.junit.ui.JUnitMessages;
import org.eclipse.jdt.internal.junit.ui.JUnitPlugin;
import org.eclipse.jdt.internal.junit.util.TestSearchEngine;
public class JUnitLaunchShortcut implements ILaunchShortcut {
public class LaunchCancelledByUserException extends Exception {
private static final long serialVersionUID = 1L;
}
/**
* @see ILaunchShortcut#launch(IEditorPart, String)
*/
public void launch(IEditorPart editor, String mode) {
IJavaElement element= null;
IEditorInput input = editor.getEditorInput();
element = (IJavaElement) input.getAdapter(IJavaElement.class);
if (element != null) {
searchAndLaunch(new Object[] {element}, mode);
}
}
/**
* @see ILaunchShortcut#launch(ISelection, String)
*/
public void launch(ISelection selection, String mode) {
if (selection instanceof IStructuredSelection) {
searchAndLaunch(((IStructuredSelection)selection).toArray(), mode);
}
}
protected void searchAndLaunch(Object[] search, String mode) {
try {
if (search != null) {
if (search.length == 0) {
MessageDialog.openInformation(JUnitPlugin.getActiveWorkbenchShell(),
JUnitMessages.LaunchTestAction_dialog_title,
JUnitMessages.LaunchTestAction_message_notests);
return;
}
if (search[0] instanceof IJavaElement) {
IJavaElement element = (IJavaElement) search[0];
if (element.getElementType() < IJavaElement.COMPILATION_UNIT) {
launchContainer(element, mode);
return;
}
if (element.getElementType() == IJavaElement.METHOD) {
launchMethod((IMethod) element, mode);
return;
}
}
// launch a CU or type
launchType(search, mode);
}
} catch (LaunchCancelledByUserException e) {
// OK, silently move on
}
}
protected void launchType(Object[] search, String mode) {
IType[] types= null;
try {
types= TestSearchEngine.findTests(search);
} catch (InterruptedException e) {
JUnitPlugin.log(e);
return;
} catch (InvocationTargetException e) {
JUnitPlugin.log(e);
return;
}
IType type= null;
if (types.length == 0) {
MessageDialog.openInformation(JUnitPlugin.getActiveWorkbenchShell(), JUnitMessages.LaunchTestAction_dialog_title, JUnitMessages.LaunchTestAction_message_notests);
} else if (types.length > 1) {
type= chooseType(types, mode);
} else {
type= types[0];
}
if (type != null) {
try {
launch(type, mode);
} catch (LaunchCancelledByUserException e) {
// OK, silently move on
}
}
}
private void launchContainer(IJavaElement container, String mode) throws LaunchCancelledByUserException {
String handleIdentifier= container.getHandleIdentifier();
ILaunchConfiguration config = findLaunchConfiguration(
mode,
container,
handleIdentifier,
"", //$NON-NLS-1$
"" //$NON-NLS-1$
);
String name= JavaElementLabels.getTextLabel(container, JavaElementLabels.ALL_FULLY_QUALIFIED);
name = name.substring(name.lastIndexOf(IPath.SEPARATOR) + 1);
if (config == null) {
config = createConfiguration(
container.getJavaProject(),
name,
"", //$NON-NLS-1$
handleIdentifier,
"" //$NON-NLS-1$
);
}
launchConfiguration(mode, config);
}
private void launch(IType type, String mode) throws LaunchCancelledByUserException {
String fullyQualifiedName= type.getFullyQualifiedName('.');
ILaunchConfiguration config = findLaunchConfiguration(
mode,
type,
"", //$NON-NLS-1$
fullyQualifiedName,
"" //$NON-NLS-1$
);
if (config == null) {
config= createConfiguration(
type.getJavaProject(),
type.getElementName(),
fullyQualifiedName,
"", //$NON-NLS-1$
"" //$NON-NLS-1$
);
}
launchConfiguration(mode, config);
}
private void launchMethod(IMethod method, String mode) throws LaunchCancelledByUserException {
IType declaringType= method.getDeclaringType();
String fullyQualifiedName= declaringType.getFullyQualifiedName('.');
ILaunchConfiguration config = findLaunchConfiguration(
mode,
method,
"", //$NON-NLS-1$
fullyQualifiedName,
method.getElementName()
);
if (config == null) {
config= createConfiguration(
method.getJavaProject(),
declaringType.getElementName()+"."+method.getElementName(), //$NON-NLS-1$
fullyQualifiedName,
"", //$NON-NLS-1$
method.getElementName()
);
}
launchConfiguration(mode, config);
}
protected void launchConfiguration(String mode, ILaunchConfiguration config) {
if (config != null) {
DebugUITools.launch(config, mode);
}
}
/**
* Prompts the user to select a type
* @param types
* @param mode
* @return the selected type or <code>null</code> if none.
*/
protected IType chooseType(IType[] types, String mode) {
ElementListSelectionDialog dialog= new ElementListSelectionDialog(JUnitPlugin.getActiveWorkbenchShell(), new JavaElementLabelProvider(JavaElementLabelProvider.SHOW_POST_QUALIFIED));
dialog.setElements(types);
dialog.setTitle(JUnitMessages.LaunchTestAction_dialog_title2);
if (mode.equals(ILaunchManager.DEBUG_MODE)) {
dialog.setMessage(JUnitMessages.LaunchTestAction_message_selectTestToRun);
} else {
dialog.setMessage(JUnitMessages.LaunchTestAction_message_selectTestToDebug);
}
dialog.setMultipleSelection(false);
if (dialog.open() == Window.OK) {
return (IType)dialog.getFirstResult();
}
return null;
}
private ILaunchConfiguration findLaunchConfiguration(String mode, IJavaElement element, String container, String testClass, String testName) throws LaunchCancelledByUserException {
ILaunchConfigurationType configType= getJUnitLaunchConfigType();
List candidateConfigs= Collections.EMPTY_LIST;
try {
ILaunchConfiguration[] configs= DebugPlugin.getDefault().getLaunchManager().getLaunchConfigurations(configType);
candidateConfigs= new ArrayList(configs.length);
for (int i= 0; i < configs.length; i++) {
ILaunchConfiguration config= configs[i];
if ((config.getAttribute(JUnitBaseLaunchConfiguration.LAUNCH_CONTAINER_ATTR, "").equals(container)) && //$NON-NLS-1$
(config.getAttribute(IJavaLaunchConfigurationConstants.ATTR_MAIN_TYPE_NAME, "").equals(testClass)) && //$NON-NLS-1$
(config.getAttribute(JUnitBaseLaunchConfiguration.TESTNAME_ATTR,"").equals(testName)) && //$NON-NLS-1$
(config.getAttribute(IJavaLaunchConfigurationConstants.ATTR_PROJECT_NAME, "").equals(element.getJavaProject().getElementName()))) { //$NON-NLS-1$
candidateConfigs.add(config);
}
}
} catch (CoreException e) {
JUnitPlugin.log(e);
}
// If there are no existing configs associated with the IType, create one.
// If there is exactly one config associated with the IType, return it.
// Otherwise, if there is more than one config associated with the IType, prompt the
// user to choose one.
int candidateCount= candidateConfigs.size();
if (candidateCount < 1) {
return null;
} else if (candidateCount == 1) {
return (ILaunchConfiguration) candidateConfigs.get(0);
} else {
// Prompt the user to choose a config. A null result means the user
// cancelled the dialog, in which case this method returns null,
// since cancelling the dialog should also cancel launching anything.
ILaunchConfiguration config= chooseConfiguration(candidateConfigs, mode);
if (config != null) {
return config;
}
}
return null;
}
/**
* Show a selection dialog that allows the user to choose one of the specified
* launch configurations. Return the chosen config, or <code>null</code> if the
* user cancelled the dialog.
* @param configList
* @param mode
* @return ILaunchConfiguration
* @throws LaunchCancelledByUserException
*/
protected ILaunchConfiguration chooseConfiguration(List configList, String mode) throws LaunchCancelledByUserException {
IDebugModelPresentation labelProvider = DebugUITools.newDebugModelPresentation();
ElementListSelectionDialog dialog= new ElementListSelectionDialog(JUnitPlugin.getActiveWorkbenchShell(), labelProvider);
dialog.setElements(configList.toArray());
dialog.setTitle(JUnitMessages.LaunchTestAction_message_selectConfiguration);
if (mode.equals(ILaunchManager.DEBUG_MODE)) {
dialog.setMessage(JUnitMessages.LaunchTestAction_message_selectDebugConfiguration);
} else {
dialog.setMessage(JUnitMessages.LaunchTestAction_message_selectRunConfiguration);
}
dialog.setMultipleSelection(false);
int result= dialog.open();
labelProvider.dispose();
if (result == Window.OK) {
return (ILaunchConfiguration)dialog.getFirstResult();
}
throw new LaunchCancelledByUserException();
}
protected ILaunchConfiguration createConfiguration(
IJavaProject project, String name, String mainType,
String container, String testName) {
ILaunchConfiguration config= null;
try {
ILaunchConfigurationType configType= getJUnitLaunchConfigType();
ILaunchConfigurationWorkingCopy wc = configType.newInstance(null, DebugPlugin.getDefault().getLaunchManager().generateUniqueLaunchConfigurationNameFrom(name));
wc.setAttribute(IJavaLaunchConfigurationConstants.ATTR_MAIN_TYPE_NAME, mainType);
wc.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROJECT_NAME, project.getElementName());
wc.setAttribute(JUnitBaseLaunchConfiguration.ATTR_KEEPRUNNING, false);
wc.setAttribute(JUnitBaseLaunchConfiguration.LAUNCH_CONTAINER_ATTR, container);
if (testName.length() > 0)
wc.setAttribute(JUnitBaseLaunchConfiguration.TESTNAME_ATTR, testName);
config= wc.doSave();
} catch (CoreException ce) {
JUnitPlugin.log(ce);
}
return config;
}
/**
* Returns the local java launch config type
* @return ILaunchConfigurationType
*/
protected ILaunchConfigurationType getJUnitLaunchConfigType() {
ILaunchManager lm= DebugPlugin.getDefault().getLaunchManager();
return lm.getLaunchConfigurationType(JUnitLaunchConfiguration.ID_JUNIT_APPLICATION);
}
}