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/*******************************************************************************
* Copyright (c) 2016 Obeo.
* 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.emf.compare.ide.ui.tests.framework;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.IExtensionRegistry;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.emf.compare.ide.ui.internal.EMFCompareIDEUIPlugin;
import org.eclipse.emf.compare.ide.ui.internal.preferences.EMFCompareUIPreferences;
import org.eclipse.emf.compare.rcp.EMFCompareRCPPlugin;
import org.eclipse.emf.compare.rcp.internal.preferences.EMFComparePreferences;
import org.eclipse.jface.preference.IPreferenceStore;
import org.junit.runners.model.FrameworkMethod;
import org.junit.runners.model.Statement;
/**
* EMFCompare specific statements must extends this class.
*
* @author <a href="mailto:mathieu.cartaud@obeo.fr">Mathieu Cartaud</a>
*/
@SuppressWarnings("restriction")
public abstract class AbstractCompareStatement extends Statement {
private final static String EXTENSION_POINT_CLASS_SELECTOR = "impl"; //$NON-NLS-1$
private final static String EXTENSION_POINT_ID_SELECTOR = "id"; //$NON-NLS-1$
private final static String PREFERENCES_SEPARATOR = ";"; //$NON-NLS-1$
private final static String DIFF_EXTENSION_POINT_ID = EMFCompareRCPPlugin.PLUGIN_ID + "." //$NON-NLS-1$
+ EMFCompareRCPPlugin.DIFF_ENGINE_PPID;
private final static String EQ_EXTENSION_POINT_ID = EMFCompareRCPPlugin.PLUGIN_ID + "." //$NON-NLS-1$
+ EMFCompareRCPPlugin.EQUI_ENGINE_PPID;
private final static String REQ_EXTENSION_POINT_ID = EMFCompareRCPPlugin.PLUGIN_ID + "." //$NON-NLS-1$
+ EMFCompareRCPPlugin.REQ_ENGINE_PPID;
private final static String CONFLICT_EXTENSION_POINT_ID = EMFCompareRCPPlugin.PLUGIN_ID + "." //$NON-NLS-1$
+ EMFCompareRCPPlugin.CONFLICT_DETECTOR_PPID;
private final IEclipsePreferences emfComparePreferences = EMFCompareRCPPlugin.getDefault()
.getEMFComparePreferences();
private final IPreferenceStore uiPreferenceStore = EMFCompareIDEUIPlugin.getDefault()
.getPreferenceStore();
protected final Object testObject;
protected final FrameworkMethod test;
private final ResolutionStrategyID resolutionStrategy;
private final Class<?>[] disabledMatchEngines;
private final Class<?> diffEngine;
private final Class<?> eqEngine;
private final Class<?> reqEngine;
private final Class<?> conflictDetector;
private final Class<?>[] disabledPostProcessors;
private String defaultResolutionStrategy;
private List<String> defaultDisabledMatchEngines = new ArrayList<String>();
private String defaultDiffEngine = "org.eclipse.emf.compare.rcp.default.conflictDetector"; //$NON-NLS-1$
private String defaultEqEngine = "org.eclipse.emf.compare.rcp.default.conflictDetector"; //$NON-NLS-1$
private String defaultReqEngine = "org.eclipse.emf.compare.rcp.default.conflictDetector"; //$NON-NLS-1$
private String defaultConflictDetector = "org.eclipse.emf.compare.rcp.default.conflictDetector"; //$NON-NLS-1$
private List<String> defaultDisabledPostProcessors = new ArrayList<String>();
public AbstractCompareStatement(Object testObject, FrameworkMethod test,
ResolutionStrategyID resolutionStrategy, Class<?>[] disabledMatchEngineFactory,
Class<?> diffEngine, Class<?> eqEngine, Class<?> reqEngine, Class<?> conflictDetector,
Class<?>[] disabledPostProcessors) {
this.testObject = testObject;
this.test = test;
this.resolutionStrategy = resolutionStrategy;
this.disabledMatchEngines = disabledMatchEngineFactory;
this.diffEngine = diffEngine;
this.eqEngine = eqEngine;
this.reqEngine = reqEngine;
this.conflictDetector = conflictDetector;
this.disabledPostProcessors = disabledPostProcessors;
}
protected String normalizePath(String value) {
if (value.startsWith("/")) { //$NON-NLS-1$
return value.substring(1, value.length());
} else if (value.startsWith("./")) { //$NON-NLS-1$
return value.substring(2, value.length());
} else {
return value;
}
}
protected void restoreEMFComparePreferences() {
uiPreferenceStore.setValue(EMFCompareUIPreferences.RESOLUTION_SCOPE_PREFERENCE,
defaultResolutionStrategy);
emfComparePreferences.put(EMFComparePreferences.MATCH_ENGINE_DISABLE_ENGINES,
join(defaultDisabledMatchEngines, PREFERENCES_SEPARATOR));
emfComparePreferences.put(EMFComparePreferences.DIFF_ENGINES, defaultDiffEngine);
emfComparePreferences.put(EMFComparePreferences.EQUI_ENGINES, defaultEqEngine);
emfComparePreferences.put(EMFComparePreferences.REQ_ENGINES, defaultReqEngine);
emfComparePreferences.put(EMFComparePreferences.CONFLICTS_DETECTOR, defaultConflictDetector);
emfComparePreferences.put(EMFComparePreferences.DISABLED_POST_PROCESSOR,
join(defaultDisabledPostProcessors, PREFERENCES_SEPARATOR));
}
protected void setEMFComparePreferences() {
setResolutionStrategyPreference();
setMatchPreference();
setDiffPreference();
setEqPreference();
setReqPreference();
setConflictPreference();
setPostProcessorPreference();
}
private void setResolutionStrategyPreference() {
defaultResolutionStrategy = uiPreferenceStore
.getString(EMFCompareUIPreferences.RESOLUTION_SCOPE_PREFERENCE);
uiPreferenceStore.setValue(EMFCompareUIPreferences.RESOLUTION_SCOPE_PREFERENCE,
resolutionStrategy.name());
}
private void setMatchPreference() {
String disabMatchEngine = emfComparePreferences.get(
EMFComparePreferences.MATCH_ENGINE_DISABLE_ENGINES,
join(defaultDisabledMatchEngines, PREFERENCES_SEPARATOR));
defaultDisabledMatchEngines.clear();
for (String matchEngine : disabMatchEngine.split(PREFERENCES_SEPARATOR)) {
defaultDisabledMatchEngines.add(matchEngine);
}
List<String> matchEngineNames = Collections.emptyList();
for (Class<?> matchEngine : disabledMatchEngines) {
matchEngineNames.add(matchEngine.getCanonicalName());
}
emfComparePreferences.put(EMFComparePreferences.MATCH_ENGINE_DISABLE_ENGINES,
join(matchEngineNames, PREFERENCES_SEPARATOR));
}
private void setDiffPreference() {
IExtensionRegistry extensionRegistry = Platform.getExtensionRegistry();
IExtensionPoint extensionPoint = extensionRegistry.getExtensionPoint(DIFF_EXTENSION_POINT_ID);
IExtension[] extensions = extensionPoint.getExtensions();
String diffEngineId = defaultDiffEngine;
for (IExtension iExtension : extensions) {
for (IConfigurationElement iConfig : iExtension.getConfigurationElements()) {
if (iConfig.getAttribute(EXTENSION_POINT_CLASS_SELECTOR)
.equals(diffEngine.getCanonicalName())) {
diffEngineId = iConfig.getAttribute(EXTENSION_POINT_ID_SELECTOR);
break;
}
}
}
defaultDiffEngine = emfComparePreferences.get(EMFComparePreferences.DIFF_ENGINES, defaultDiffEngine);
emfComparePreferences.put(EMFComparePreferences.DIFF_ENGINES, diffEngineId);
}
private void setEqPreference() {
IExtensionRegistry extensionRegistry = Platform.getExtensionRegistry();
IExtensionPoint extensionPoint = extensionRegistry.getExtensionPoint(EQ_EXTENSION_POINT_ID);
IExtension[] extensions = extensionPoint.getExtensions();
String eqEngineId = defaultEqEngine;
for (IExtension iExtension : extensions) {
for (IConfigurationElement iConfig : iExtension.getConfigurationElements()) {
if (iConfig.getAttribute(EXTENSION_POINT_CLASS_SELECTOR)
.equals(eqEngine.getCanonicalName())) {
eqEngineId = iConfig.getAttribute(EXTENSION_POINT_ID_SELECTOR);
break;
}
}
}
defaultEqEngine = emfComparePreferences.get(EMFComparePreferences.EQUI_ENGINES, defaultEqEngine);
emfComparePreferences.put(EMFComparePreferences.EQUI_ENGINES, eqEngineId);
}
private void setReqPreference() {
IExtensionRegistry extensionRegistry = Platform.getExtensionRegistry();
IExtensionPoint extensionPoint = extensionRegistry.getExtensionPoint(REQ_EXTENSION_POINT_ID);
IExtension[] extensions = extensionPoint.getExtensions();
String reqEngineId = defaultReqEngine;
for (IExtension iExtension : extensions) {
for (IConfigurationElement iConfig : iExtension.getConfigurationElements()) {
if (iConfig.getAttribute(EXTENSION_POINT_CLASS_SELECTOR)
.equals(reqEngine.getCanonicalName())) {
reqEngineId = iConfig.getAttribute(EXTENSION_POINT_ID_SELECTOR);
break;
}
}
}
defaultReqEngine = emfComparePreferences.get(EMFComparePreferences.REQ_ENGINES, defaultReqEngine);
emfComparePreferences.put(EMFComparePreferences.REQ_ENGINES, reqEngineId);
}
private void setConflictPreference() {
IExtensionRegistry extensionRegistry = Platform.getExtensionRegistry();
IExtensionPoint extensionPoint = extensionRegistry.getExtensionPoint(CONFLICT_EXTENSION_POINT_ID);
IExtension[] extensions = extensionPoint.getExtensions();
String conflictDetectorId = defaultConflictDetector;
for (IExtension iExtension : extensions) {
for (IConfigurationElement iConfig : iExtension.getConfigurationElements()) {
if (iConfig.getAttribute(EXTENSION_POINT_CLASS_SELECTOR)
.equals(conflictDetector.getCanonicalName())) {
conflictDetectorId = iConfig.getAttribute(EXTENSION_POINT_ID_SELECTOR);
break;
}
}
}
defaultConflictDetector = emfComparePreferences.get(EMFComparePreferences.CONFLICTS_DETECTOR,
defaultConflictDetector);
emfComparePreferences.put(EMFComparePreferences.CONFLICTS_DETECTOR, conflictDetectorId);
}
private void setPostProcessorPreference() {
String disabPostProcessors = emfComparePreferences.get(EMFComparePreferences.DISABLED_POST_PROCESSOR,
join(defaultDisabledPostProcessors, PREFERENCES_SEPARATOR));
defaultDisabledPostProcessors.clear();
for (String postProcessor : disabPostProcessors.split(PREFERENCES_SEPARATOR)) {
defaultDisabledPostProcessors.add(postProcessor);
}
List<String> postProcessorNames = Collections.emptyList();
for (Class<?> postProcessor : disabledPostProcessors) {
postProcessorNames.add(postProcessor.getCanonicalName());
}
emfComparePreferences.put(EMFComparePreferences.DISABLED_POST_PROCESSOR,
join(postProcessorNames, PREFERENCES_SEPARATOR));
}
private String join(Collection<String> parts, String separator) {
StringBuilder sb = new StringBuilder();
int i = 0;
int lastIndex = parts.size() - 1;
for (String part : parts) {
sb.append(part);
if (i == lastIndex - 1) {
sb.append(separator);
} else if (i != lastIndex) {
sb.append(separator);
}
i++;
}
return sb.toString();
}
}
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