* eu.planets_project.ifr.core.wee.api.workflow.WorkflowTemplate#execute()
*/
public WorkflowResult execute() {
/* We want fresh logs and report for every run: */
log = initLog();
WorkflowResult wfResult = null;
int count = 0;
List<DigitalObject> objects = new ArrayList<DigitalObject>();
log.trace(WorkflowTemplateHelper.overview(this));
String metadata;
try {
for (DigitalObject dgo : this.getData()) {
metadata = null;
log.info("Processing file #" + (count + 1));
try {
// Identify
String[] types = runIdentification(dgo, wfResult);
log.info(new Message("Identification", new Parameter("File", dgo.getTitle()), new Parameter(
"Result", Arrays.asList(types).toString())));
// Extract metadata - will otherwise get lost between steps!
List<Metadata> mList = dgo.getMetadata();
if ((mList != null) && (mList.size() > 0)) {
metadata = mList.get(0).getContent();
}
if (metadata == null) {
log.warn("No metadata contained in DigitalObject!");
} else {
log.info("Extracted metadata: " + metadata);
}
// Modify - rotate
dgo = runRotateService(dgo, types[0], metadata, wfResult);
log.info(new Message("Rotation", new Parameter("Metadata", metadata)));
// Modify - crop
dgo = runCropService(dgo, types[0], metadata, wfResult);
log.info(new Message("Cropping", new Parameter("Metadata", metadata)));
// Migrate to JPEG
try {
FormatRegistry fr = FormatRegistryFactory.getFormatRegistry();
String ext = fr.getFirstExtension(new URI(types[0]));
log.info("Getting extension: " + ext);
if (ext != null) {
dgo = runMigrateService(dgo, fr.createExtensionUri(ext), wfResult);
objects.add(dgo);
log.info(new Message("Migration", new Parameter("Input", ext), new Parameter("Result", dgo
.getTitle())));
}
} catch (URISyntaxException e) {
throw new RuntimeException(e);
}
} catch (Exception e) {
log.error("workflow execution error for digitalObject #" + count);
log.error(e.getClass() + ": " + e.getMessage());
}
count++;
}
} finally {
/* A final message: */
List<URL> results = WorkflowTemplateHelper.reference(objects, log.getOutputFolder());
log.trace(WorkflowTemplateHelper.link(results));
/* Now write the stuff to disk: */
File reportFile = log.reportAsFile();
File logFile = log.logAsFile();
System.out.println("Wrote report to: " + reportFile.getAbsolutePath());
/* And return a result object: */
try {
//URL reportURL = reportFile.toURL();
String outFolder = "http://"+"localhost"+":80/data/wee/id-"+log.getTime();
URL reportURL = new URL(outFolder+"/wf-report.html");
wfResult = new WorkflowResult(reportURL, logFile.toURL(), results);
System.out.println("Workflow result: " + wfResult);
return wfResult;
} catch (MalformedURLException e) {
e.printStackTrace();
}