@Override
public Validator restore(Value value) throws Exception {
ValueList list = value.as(ValueList.class);
List<String> values = new ArrayList<>();
for (Value val : list) {
String str = val.as(String.class);
if (str != null) {
values.add(str);
} else {
throw new IllegalStateException("Enumeration value for validator could not be read");
}
}
return new EnumerationValidator(values);
}
@Override
public Value store(EnumerationValidator validator) throws Exception {
ValueList list = new ValueList();
for (String value : validator.getValues()) {
list.add(Value.of(value));
}
return list.toValue();
}
/**
* @see Wizard#performFinish()
* @return <code>true</code> if executing the I/O provider was successful
*/
@Override
public boolean performFinish() {
if (getProvider() == null) {
return false;
}
if (!applyConfiguration()) {
return false;
}
// create default report
IOReporter defReport = provider.createReporter();
// validate and execute provider
try {
// validate configuration
provider.validate();
ProjectService ps = PlatformUI.getWorkbench().getService(ProjectService.class);
URI projectLoc = ps.getLoadLocation() == null ? null : ps.getLoadLocation();
boolean isProjectResource = false;
if (actionId != null) {
// XXX instead move project resource to action?
ActionUI factory = ActionUIExtension.getInstance().findActionUI(actionId);
isProjectResource = factory.isProjectResource();
}
// prevent loading of duplicate resources
if (isProjectResource && provider instanceof ImportProvider) {
String currentResource = ((ImportProvider) provider).getSource().getLocation().toString();
URI currentAbsolute = URI.create(currentResource);
if (projectLoc != null && !currentAbsolute.isAbsolute())
currentAbsolute = projectLoc.resolve(currentAbsolute);
for (IOConfiguration conf : ((Project) ps.getProjectInfo()).getResources()) {
Value otherResourceValue =
conf.getProviderConfiguration().get(ImportProvider.PARAM_SOURCE);
if (otherResourceValue == null) continue;
String otherResource = otherResourceValue.as(String.class);
URI otherAbsolute = URI.create(otherResource);
if (projectLoc != null && !otherAbsolute.isAbsolute())
otherAbsolute = projectLoc.resolve(otherAbsolute);
String action = conf.getActionId();
// resource is already loaded into the project
if (currentAbsolute.equals(otherAbsolute) && Objects.equal(actionId, action)) {
log.userError("Resource is already loaded. Loading duplicate resources is aborted!");
return false;
}
}
}
// enable provider internal caching
if (isProjectResource && provider instanceof CachingImportProvider) {
((CachingImportProvider) provider).setProvideCache();
}
IOReport report = execute(provider, defReport);
if (report != null) {
// add report to report server
ReportService repService = PlatformUI.getWorkbench().getService(ReportService.class);
repService.addReport(report);
// show message to user
if (report.isSuccess()) {
// no message, we rely on the report being shown/processed
// let advisor handle results
try {
getContainer()
.run(
true,
false,
new IRunnableWithProgress() {
@Override
public void run(IProgressMonitor monitor)
throws InvocationTargetException, InterruptedException {
monitor.beginTask("Completing operation...", IProgressMonitor.UNKNOWN);
try {
advisor.handleResults(getProvider());
} finally {
monitor.done();
}
}
});
} catch (InvocationTargetException e) {
log.userError(
"Error processing results:\n" + e.getCause().getLocalizedMessage(), e.getCause());
return false;
} catch (Exception e) {
log.userError("Error processing results:\n" + e.getLocalizedMessage(), e);
return false;
}
// add to project service if necessary
if (isProjectResource)
ps.rememberIO(actionId, getProviderFactory().getIdentifier(), provider);
return true;
} else {
// error message
log.userError(report.getSummary() + "\nPlease see the report for details.");
return false;
}
} else return true;
} catch (IOProviderConfigurationException e) {
// user feedback
log.userError(
"Validation of the provider configuration failed:\n" + e.getLocalizedMessage(), e);
return false;
}
}