}

    public String getUpdatePolicy() {
        return updatePolicy;
    }

    public String getChecksumPolicy() {
        return checksumPolicy;
    }

    public boolean checkOutOfDate(Date lastModified) {
        boolean checkForUpdates = false;

        if (UPDATE_POLICY_ALWAYS.equals(updatePolicy)) {
            checkForUpdates = true;
        } else if (UPDATE_POLICY_DAILY.equals(updatePolicy)) {

            for (Artifact artifact : extensionArtifacts) {
                File file = artifact.getFile();
                files.add(file);
                timestamps.add((file != null) ? Long.valueOf(file.lastModified()) : Long.valueOf(0));
                sizes.add((file != null) ? Long.valueOf(file.length()) : Long.valueOf(0));
                ids.add(artifact.getVersion());
            }

            this.hashCode =