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// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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package com.symbian.smt.gui.builder;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import java.util.ResourceBundle;
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import org.eclipse.core.resources.IContainer;
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import org.eclipse.core.resources.IFile;
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import org.eclipse.core.resources.IFolder;
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import org.eclipse.core.resources.IMarker;
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import org.eclipse.core.resources.IProject;
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import org.eclipse.core.resources.IResource;
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import org.eclipse.core.resources.IResourceDelta;
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import org.eclipse.core.resources.IncrementalProjectBuilder;
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import org.eclipse.core.resources.ProjectScope;
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import org.eclipse.core.runtime.CoreException;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.core.runtime.preferences.IEclipsePreferences;
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import org.eclipse.core.runtime.preferences.IScopeContext;
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import org.eclipse.swt.widgets.Display;
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import org.eclipse.ui.IEditorPart;
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import org.eclipse.ui.IWorkbenchPage;
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import org.eclipse.ui.PartInitException;
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import org.eclipse.ui.PlatformUI;
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import org.eclipse.ui.part.FileEditorInput;
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import com.symbian.smt.gui.Activator;
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import com.symbian.smt.gui.ChangeManager;
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import com.symbian.smt.gui.Logger;
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import com.symbian.smt.gui.ManageResources;
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import com.symbian.smt.gui.PersistentDataStore;
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import com.symbian.smt.gui.editors.svgeditor.SVGEditor;
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import com.symbian.smt.gui.views.ConsoleOutput;
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public class Builder extends IncrementalProjectBuilder {
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final static String TEMP_FOLDER = ".svg_temp"; // Folder names stating with
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// a . will not be displayed
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// in the project navigator
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private IFolder svgTempFolder;
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private IFile projectFile;
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private List<IResource> markedResources;
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private void addFileToProject() {
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// Adds the file to the root of the project folder
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try {
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// Refresh the project so that it picks up the generated SVG file
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getProject().refreshLocal(IResource.DEPTH_INFINITE, null);
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// Set the file as a derived resource (indicates was built from
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// source and not an original file)
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projectFile.setDerived(true);
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} catch (CoreException e) {
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Logger.log(e.getMessage(), e);
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}
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}
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@SuppressWarnings("unchecked")
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@Override
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protected IProject[] build(int kind, Map args, IProgressMonitor monitor)
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throws CoreException {
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IProject project = getProject();
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if (!checkSMGinstalled()) {
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writeToConsoleOutput("ERROR: Unable to locate the System Model Generator");
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return null;
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}
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project.touch(null);
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// First we check that project is in sync with the file system
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findResourcesMarkedAsUrl(project);
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if (markedResources.size() == 0) {
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if (!project.isSynchronized(IResource.DEPTH_INFINITE)) {
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writeToConsoleOutput("ERROR: The project is out of sync with the file system");
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return null;
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}
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} else {
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boolean isSynchronised = checkSyncrhonised(project);
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if (!isSynchronised) {
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writeToConsoleOutput("ERROR: The project is out of sync with the file system");
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return null;
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}
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}
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IResourceDelta delta = getDelta(project);
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ChangeManager manager = new ChangeManager();
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manager.handleDelta(delta, project);
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if (!manager.needsBuilding(project)) {
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return null;
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}
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manager.reset(project);
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// We are not interested in different build types are we are only able
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// to perform one type of build using the Perl SMG
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svgTempFolder = project.getFolder(TEMP_FOLDER);
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// Delete generated temp files
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if (svgTempFolder.exists()) {
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svgTempFolder.delete(true, null);
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}
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// Build
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performBuild();
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return null;
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}
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private boolean checkSyncrhonised(IResource resource) {
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boolean result = true;
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if (resource instanceof IFile) {
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if (markedResources.contains(resource)) {
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result = true;
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} else {
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result = resource.isSynchronized(IResource.DEPTH_ZERO);
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}
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} else if (resource instanceof IContainer) { // It is either IProject or
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// IFolder
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IContainer container = (IContainer) resource;
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try {
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IResource[] children = container.members();
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for (IResource child : children) {
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result = checkSyncrhonised(child);
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if (!result) {
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break;
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}
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}
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} catch (CoreException e) {
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Logger.log(e.getMessage(), e);
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result = false;
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}
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}
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return result;
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}
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private void findResourcesMarkedAsUrl(IProject project)
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throws CoreException {
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IMarker[] messageMarkers = project.findMarkers(IMarker.TASK, false,
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IResource.DEPTH_INFINITE);
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markedResources = new ArrayList<IResource>();
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for (int i = 0; i < messageMarkers.length; i++) {
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IMarker marker = messageMarkers[i];
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if (marker.getAttribute(ManageResources.IS_URL, false)) {
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markedResources.add(marker.getResource());
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}
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}
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}
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private void performBuild() {
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// Reset the command output window
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Display.getDefault().asyncExec(new Runnable() {
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public void run() {
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ConsoleOutput.reset();
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}
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});
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// Create a processBuilder. This will run the SMT in another thread.
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SMTCommand command = new SMTCommand(getProject());
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List<String> generatedCommand = command.generateCommand();
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if (generatedCommand == null) {
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return;
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}
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SMTProcess process = new SMTProcess();
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// Run the process
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int exitCode = process.run(generatedCommand);
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if (exitCode == 0) {
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IScopeContext projectScope = new ProjectScope(getProject());
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IEclipsePreferences projectNode = projectScope
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.getNode(Activator.PLUGIN_ID);
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PersistentDataStore projectStore = new PersistentDataStore(
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projectNode);
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projectFile = getProject()
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.getFile(projectStore.getOutputFilename());
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// Add the SVG file to the project
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addFileToProject();
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// Inform the user that the model has been created
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writeToConsoleOutput("Finished");
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// Open the file in the editor
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Display.getDefault().asyncExec(new Runnable() {
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public void run() {
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try {
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IWorkbenchPage page = PlatformUI.getWorkbench()
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.getActiveWorkbenchWindow().getActivePage();
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IEditorPart part = page.findEditor(new FileEditorInput(
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projectFile));
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if (part != null && part instanceof SVGEditor) {
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page.openEditor(new FileEditorInput(projectFile),
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SVGEditor.ID);
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((SVGEditor) part).refresh();
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} else {
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page.openEditor(new FileEditorInput(projectFile),
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SVGEditor.ID);
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}
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} catch (PartInitException e) {
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Logger.log(e.getMessage(), e);
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}
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}
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});
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} else {
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writeToConsoleOutput("Exit Code: " + exitCode);
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// Add the output to the Eclipse log
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Display.getDefault().asyncExec(new Runnable() {
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public void run() {
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Exception e = new Exception(ConsoleOutput.getText());
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Logger
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.log(
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"Failed to successfully generate System Model diagram",
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e);
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}
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});
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writeToConsoleOutput("ERROR: Failed to successfully generate System Model diagram");
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}
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}
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private boolean checkSMGinstalled() {
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final ResourceBundle resourceBundle = ResourceBundle.getBundle(
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"location", Locale.getDefault(), this.getClass()
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.getClassLoader());
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String smgFolder = resourceBundle.getString("location");
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File smgCommand = new File(smgFolder + File.separator + "SysModGen.pl");
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return smgCommand.exists();
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}
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private void writeToConsoleOutput(final String string) {
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// Writes a string to the console output view
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Display.getDefault().asyncExec(new Runnable() {
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public void run() {
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ConsoleOutput.addText(string);
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}
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});
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}
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}
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