Review

If the zargo file to be loaded contains no .argo file, this method will throw an exception at line 218.

Check that the iterator contains a file to fix this.

• missing/condition/value_or_state

org/argouml/persistence/ZargoFilePersister.java

doLoad(File)

class ZargoFilePersister {
    /*
     * @see org.argouml.persistence.ProjectFilePersister#doLoad(java.io.File)
     */
    @Override
    public Project doLoad(File file)
        throws OpenException, InterruptedException {
        
        ProgressMgr progressMgr = new ProgressMgr();
        progressMgr.setNumberOfPhases(3 + UML_PHASES_LOAD);
        ThreadUtils.checkIfInterrupted();

        int fileVersion;
        String releaseVersion;
        try {
            String argoEntry = getEntryNames(file, ".argo").iterator().next();
            URL argoUrl = makeZipEntryUrl(toURL(file), argoEntry);
            fileVersion = getPersistenceVersion(argoUrl.openStream());
            releaseVersion = getReleaseVersion(argoUrl.openStream());
        } catch (MalformedURLException e) {
            throw new OpenException(e);
        } catch (IOException e) {
            throw new OpenException(e);
        }

        // TODO: The commented code below was commented out by Bob Tarling
        // in order to resolve bugs 4845 and 4857. Hopefully we can
        // determine the cause and reintroduce.
        
        //boolean upgradeRequired = !checkVersion(fileVersion, releaseVersion)
        boolean upgradeRequired = true;
        
        LOG.info("Loading zargo file of version " + fileVersion);
        
        final Project p;
        if (upgradeRequired) {
            File combinedFile = zargoToUml(file, progressMgr);
            p = super.doLoad(file, combinedFile, progressMgr);
        } else {
            p = loadFromZargo(file, progressMgr);
        }

        progressMgr.nextPhase();

        p.setURI(file.toURI());
        return p;

    }

}

public class HasNext {
	void pattern(Collection<Object> os) {
		Iterator<Object> itr = os.iterator();
		if (itr.hasNext()) {
      itr.next();
    }
	}
}