diff options
Diffstat (limited to 'pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4Helper.java')
-rw-r--r-- | pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4Helper.java | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4Helper.java b/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4Helper.java new file mode 100644 index 00000000..e0b8ff46 --- /dev/null +++ b/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4Helper.java @@ -0,0 +1,76 @@ +/* + * Copyright 2012 by A-SIT, Secure Information Technology Center Austria + * + * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by + * the European Commission - subsequent versions of the EUPL (the "Licence"); + * You may not use this work except in compliance with the Licence. + * You may obtain a copy of the Licence at: + * http://joinup.ec.europa.eu/software/page/eupl + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the Licence is distributed on an "AS IS" basis, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the Licence for the specific language governing permissions and + * limitations under the Licence. + */ +package at.asit.pdfover.signer.pdfas; + +// Imports +import java.io.File; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import at.asit.pdfover.signator.SignatureException; +import at.gv.egiz.pdfas.lib.api.PdfAs; +import at.gv.egiz.pdfas.lib.api.PdfAsFactory; + +/** + * PDF-AS 4 Helper + */ +public class PdfAs4Helper { + /** + * SLF4J Logger instance + **/ + @SuppressWarnings("unused") + private static final Logger log = LoggerFactory + .getLogger(PdfAs4Helper.class); + + /** + * PDF-AS Object + */ + private static PdfAs pdfAs = null; + + /** + * Gets PDF-AS Object + * @return the PDF-AS Object + * @throws SignatureException + */ + public static synchronized PdfAs getPdfAs() throws SignatureException { + if (pdfAs == null) { + try { + pdfAs = createPdfAs(); + } catch(Exception e) { + throw new SignatureException(e); + } + } + return pdfAs; + } + + /** + * Creates PDF-AS Object + * @return the PDF-AS Object + * @throws PdfAsException + */ + private static PdfAs createPdfAs() { + return PdfAsFactory.createPdfAs(new File(getWorkDir())); + } + + /** + * Provides the working directory + * @return the working directory + */ + public static String getWorkDir() { + return System.getProperty("user.home") + "/.pdf-over"; + } +} |