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/*
* Copyright (C) 2013 BMW Group Author: Manfred Bathelt (manfred.bathelt@bmw.de)
* Author: Juergen Gehring (juergen.gehring@bmw.de) This Source Code Form is
* subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the
* MPL was not distributed with this file, You can obtain one at
* http://mozilla.org/MPL/2.0/.
*/
package org.genivi.commonapi.core.ui.handler;
import java.util.Iterator;
import javax.inject.Inject;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.QualifiedName;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.xtext.builder.EclipseResourceFileSystemAccess2;
import org.eclipse.xtext.generator.IGenerator;
import org.eclipse.xtext.resource.XtextResource;
import org.eclipse.xtext.ui.editor.XtextEditor;
import org.eclipse.xtext.ui.resource.IResourceSetProvider;
import org.eclipse.xtext.util.concurrent.IUnitOfWork;
import org.genivi.commonapi.core.preferences.FPreferences;
import org.genivi.commonapi.core.preferences.PreferenceConstants;
import org.genivi.commonapi.core.ui.CommonApiUiPlugin;
import com.google.inject.Provider;
public class GenerationCommand extends AbstractHandler {
@Inject
protected Provider<EclipseResourceFileSystemAccess2> fileAccessProvider;
@Inject
private IResourceSetProvider resourceSetProvider;
@Inject
private IGenerator francaGenerator;
@Override
public Object execute(final ExecutionEvent event) throws ExecutionException {
final ISelection selection = HandlerUtil.getCurrentSelection(event);
if (selection instanceof IStructuredSelection) {
if (!selection.isEmpty())
executeGeneratorForSelection((IStructuredSelection) selection);
} else {
final IEditorPart activeEditor = HandlerUtil.getActiveEditor(event);
if (activeEditor instanceof XtextEditor)
executeGeneratorForXtextEditor((XtextEditor) activeEditor);
else
throw new ExecutionException("Cannot handle ExecutionEvent: "
+ event);
}
return null;
}
private void executeGeneratorForSelection(
final IStructuredSelection structuredSelection) {
IProject project = null;
for (Iterator<?> iterator = structuredSelection.iterator(); iterator
.hasNext();) {
final Object selectiobObject = iterator.next();
if (selectiobObject instanceof IFile) {
final IFile file = (IFile) selectiobObject;
final URI uri = URI.createPlatformResourceURI(file
.getFullPath().toString(), true);
final ResourceSet rs = resourceSetProvider.get(file
.getProject());
final Resource r = rs.getResource(uri, true);
project = file.getProject();
setupPreferences(file);
final EclipseResourceFileSystemAccess2 fileSystemAccess = createFileSystemAccess();
fileSystemAccess.setProject(project);
Job job = new Job("validation and generation") {
@Override
protected IStatus run(IProgressMonitor monitor) {
monitor.beginTask("handle " + file.getName(),
IProgressMonitor.UNKNOWN);
monitor.subTask("validation");
int i = 0;
try {
for (IMarker m : ((IResource) file).findMarkers(
IMarker.PROBLEM, true, 2)) {
if ((Integer) m.getAttribute(IMarker.SEVERITY) == IMarker.SEVERITY_ERROR) {
i++;
break;
}
}
} catch (CoreException ce) {
}
if (r.getErrors().size() == 0 && i == 0) {
monitor.subTask("Generate");
try {
francaGenerator.doGenerate(r, fileSystemAccess);
} catch (Exception e) {
exceptionPopUp(e, file);
return Status.CANCEL_STATUS;
} catch (Error e) {
errorPopUp(e, file);
return Status.CANCEL_STATUS;
}
return Status.OK_STATUS;
} else {
markerPopUp(file);
return Status.CANCEL_STATUS;
}
}
};
job.schedule();
}
}
}
/**
* Init core preferences
* @param file
* @param page
* @param project
*/
protected void setupPreferences(IFile file) {
initPreferences(file, CommonApiUiPlugin.getDefault().getPreferenceStore());
}
private void executeGeneratorForXtextEditor(final XtextEditor xtextEditor) {
final Object fileObject = xtextEditor.getEditorInput().getAdapter(
IFile.class);
if (fileObject instanceof IFile) {
IProject project = ((IResource) fileObject).getProject();
final EclipseResourceFileSystemAccess2 fileSystemAccess = createFileSystemAccess();
fileSystemAccess.setProject(project);
xtextEditor.getDocument().readOnly(
new IUnitOfWork<Boolean, XtextResource>() {
@Override
public Boolean exec(XtextResource xtextResource)
throws Exception {
final XtextResource xtextRes = xtextResource;
Job job = new Job("validation and generation") {
@Override
protected IStatus run(IProgressMonitor monitor) {
monitor.beginTask(
"handle "
+ ((IResource) fileObject)
.getName(),
IProgressMonitor.UNKNOWN);
monitor.subTask("validation");
int i = 0;
try {
for (IMarker m : ((IResource) fileObject)
.findMarkers(IMarker.PROBLEM,
true, 2)) {
if ((Integer) m
.getAttribute(IMarker.SEVERITY) == IMarker.SEVERITY_ERROR) {
i++;
break;
}
}
} catch (CoreException ce) {
}
if (xtextRes.getErrors().size() == 0
&& i == 0) {
monitor.subTask("Generate");
try {
francaGenerator.doGenerate(
xtextRes, fileSystemAccess);
} catch (Exception e) {
exceptionPopUp(e,
(IFile) fileObject);
return Status.CANCEL_STATUS;
} catch (Error e) {
errorPopUp(e, (IFile) fileObject);
return Status.CANCEL_STATUS;
}
return Status.OK_STATUS;
} else {
markerPopUp((IFile) fileObject);
return Status.CANCEL_STATUS;
}
}
};
job.schedule();
return Boolean.TRUE;
}
});
}
}
private void exceptionPopUp(Exception e, IFile f) {
final Exception ex = e;
final IFile file = f;
Display.getDefault().asyncExec(new Runnable() {
public void run() {
ex.printStackTrace();
MessageDialog.openError(
null,
"Error by generating file " + file.getName(),
"Couldn't generate file. Exception occured:\n"
+ ex.toString()
+ "\n\nSee console for stack trace.");
}
});
}
private void markerPopUp(IFile f) {
final IFile file = f;
Display.getDefault().asyncExec(new Runnable() {
public void run() {
MessageDialog.openError(
null,
"Error in file " + file.getName(),
"Couldn't generate file. File still holds errors!\n\nSee Problems view for details.");
}
});
}
private void errorPopUp(Error e, IFile f) {
final Error er = e;
final IFile file = f;
Display.getDefault().asyncExec(new Runnable() {
public void run() {
er.printStackTrace();
MessageDialog.openError(
null,
"Error by generating file " + file.getName(),
"Couldn't generate file. Error occured:\n"
+ er.toString()
+ "\n\nSee console for stack trace.");
}
});
}
protected EclipseResourceFileSystemAccess2 createFileSystemAccess() {
final EclipseResourceFileSystemAccess2 fsa = fileAccessProvider.get();
fsa.setOutputConfigurations(FPreferences.getInstance().getOutputpathConfiguration());
fsa.setMonitor(new NullProgressMonitor());
return fsa;
}
/**
* Set the properties for the code generation from the resource properties (set with the property page, via the context menu).
* Take default values from the eclipse preference page.
* @param file
* @param store - the eclipse preference store
*/
private void initPreferences(IFile file, IPreferenceStore store) {
FPreferences instance = FPreferences.getInstance();
String outputFolderCommon = null;
String outputFolderProxies = null;
String outputFolderStubs = null;
String outputFolderSkeleton = null;
String licenseHeader = null;
String generateProxy = null;
String generatStub = null;
String generatSkeleton = null;
String skeletonPostfix = null;
String enumPrefix = null;
IProject project = file.getProject();
IResource resource = file;
try {
// Should project or file specific properties be used ?
String useProject1 = project.getPersistentProperty(new QualifiedName(PreferenceConstants.PROJECT_PAGEID, PreferenceConstants.P_USEPROJECTSETTINGS));
String useProject2 = file.getPersistentProperty(new QualifiedName(PreferenceConstants.PROJECT_PAGEID, PreferenceConstants.P_USEPROJECTSETTINGS));
if("true".equals(useProject1) || "true".equals(useProject2)) {
resource = project;
}
outputFolderCommon = resource.getPersistentProperty(new QualifiedName(PreferenceConstants.PROJECT_PAGEID, PreferenceConstants.P_OUTPUT_COMMON));
outputFolderSkeleton = resource.getPersistentProperty(new QualifiedName(PreferenceConstants.PROJECT_PAGEID, PreferenceConstants.P_OUTPUT_SKELETON));
outputFolderProxies = resource.getPersistentProperty(new QualifiedName(PreferenceConstants.PROJECT_PAGEID, PreferenceConstants.P_OUTPUT_PROXIES));
outputFolderStubs = resource.getPersistentProperty(new QualifiedName(PreferenceConstants.PROJECT_PAGEID, PreferenceConstants.P_OUTPUT_STUBS));
licenseHeader = resource.getPersistentProperty(new QualifiedName(PreferenceConstants.PROJECT_PAGEID, PreferenceConstants.P_LICENSE));
generateProxy = resource.getPersistentProperty(new QualifiedName(PreferenceConstants.PROJECT_PAGEID, PreferenceConstants.P_GENERATEPROXY));
generatStub = resource.getPersistentProperty(new QualifiedName(PreferenceConstants.PROJECT_PAGEID, PreferenceConstants.P_GENERATESTUB));
generatSkeleton = resource.getPersistentProperty(new QualifiedName(PreferenceConstants.PROJECT_PAGEID, PreferenceConstants.P_GENERATESKELETON));
skeletonPostfix = resource.getPersistentProperty(new QualifiedName(PreferenceConstants.PROJECT_PAGEID, PreferenceConstants.P_SKELETONPOSTFIX));
enumPrefix = resource.getPersistentProperty(new QualifiedName(PreferenceConstants.PROJECT_PAGEID, PreferenceConstants.P_ENUMPREFIX));
} catch (CoreException ce) {
System.err.println("Failed to get property for " + resource.getName());
}
// Set defaults in the case, where nothing was specified from the user.
if(outputFolderCommon == null) {
outputFolderCommon = store.getString(PreferenceConstants.P_OUTPUT_COMMON);
}
if(outputFolderProxies == null) {
outputFolderProxies = store.getString(PreferenceConstants.P_OUTPUT_PROXIES);
}
if(outputFolderStubs == null) {
outputFolderStubs = store.getString(PreferenceConstants.P_OUTPUT_STUBS);
}
if(outputFolderSkeleton == null) {
outputFolderSkeleton = store.getString(PreferenceConstants.P_OUTPUT_SKELETON);
}
if(skeletonPostfix == null) {
skeletonPostfix = store.getString(PreferenceConstants.P_SKELETONPOSTFIX);
}
if(enumPrefix == null) {
enumPrefix = store.getString(PreferenceConstants.P_ENUMPREFIX);
}
if(licenseHeader == null) {
licenseHeader = store.getString(PreferenceConstants.P_LICENSE);
}
if(generateProxy == null) {
generateProxy = "true";
}
if(generatStub == null) {
generatStub = "true";
}
if(generatSkeleton == null) {
generatSkeleton = "false";
}
// finally, store the properties for the code generator
instance.setPreference(PreferenceConstants.P_OUTPUT_COMMON, outputFolderCommon);
instance.setPreference(PreferenceConstants.P_OUTPUT_PROXIES, outputFolderProxies);
instance.setPreference(PreferenceConstants.P_OUTPUT_STUBS, outputFolderStubs);
instance.setPreference(PreferenceConstants.P_OUTPUT_SKELETON, outputFolderSkeleton);
instance.setPreference(PreferenceConstants.P_LICENSE, licenseHeader);
instance.setPreference(PreferenceConstants.P_GENERATEPROXY, generateProxy);
instance.setPreference(PreferenceConstants.P_GENERATESTUB, generatStub);
instance.setPreference(PreferenceConstants.P_GENERATESKELETON, generatSkeleton);
instance.setPreference(PreferenceConstants.P_SKELETONPOSTFIX, skeletonPostfix);
instance.setPreference(PreferenceConstants.P_ENUMPREFIX, enumPrefix);
}
}
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