From 535a04fa05f739ec16dd81666e3b0f82dfbd442d Mon Sep 17 00:00:00 2001 From: tknall Date: Wed, 9 Jan 2013 15:41:29 +0000 Subject: pdf-as-lib maven project files moved to pdf-as-lib git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/pdf-as/trunk@926 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c --- .../framework/input/correction/Corrector.java | 61 +++++++++++++++++++++ .../input/correction/CorrectorFactory.java | 63 ++++++++++++++++++++++ 2 files changed, 124 insertions(+) create mode 100644 pdf-as-lib/src/main/java/at/gv/egiz/pdfas/framework/input/correction/Corrector.java create mode 100644 pdf-as-lib/src/main/java/at/gv/egiz/pdfas/framework/input/correction/CorrectorFactory.java (limited to 'pdf-as-lib/src/main/java/at/gv/egiz/pdfas/framework/input/correction') diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/framework/input/correction/Corrector.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/framework/input/correction/Corrector.java new file mode 100644 index 0000000..71f3ded --- /dev/null +++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/framework/input/correction/Corrector.java @@ -0,0 +1,61 @@ +/** + * Copyright 2006 by Know-Center, Graz, Austria + * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a + * joint initiative of the Federal Chancellery Austria and Graz University of + * Technology. + * + * 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://www.osor.eu/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. + * + * This product combines work with different licenses. See the "NOTICE" text + * file for details on the various modules and licenses. + * The "NOTICE" text file is part of the distribution. Any derivative works + * that you distribute must include a readable copy of the "NOTICE" text file. + */ +package at.gv.egiz.pdfas.framework.input.correction; + +import at.gv.egiz.pdfas.exceptions.framework.CorrectorException; +import at.gv.egiz.pdfas.framework.input.PdfDataSource; + +/** + * Interface for PDF corretors. + * + *

+ * Often PDF documents generated by various document to PDF converters have an + * invalid structure that upsets PDF-AS. The correction mechanism allows these + * documents to be corrected before being signed. + *

+ *

+ * A PDF corrector takes an incorrect PDF document and transforms it into a + * correct one. + *

+ *

+ * Note that correcting a document destroys all signatures in that document, so + * never correct an already signed document. + *

+ * + * @author wprinz + */ +public interface Corrector +{ + /** + * Corrects the given PDF document to a form that PDF-AS can use. + * + * @param document + * The (incorrect) PDF document. + * @return Returns the corrected PDF document. + * @throws CorrectorException + * Exception thrown if the document couldn't be corrected. + */ + public PdfDataSource correctDocument(PdfDataSource document) throws CorrectorException; + +} diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/framework/input/correction/CorrectorFactory.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/framework/input/correction/CorrectorFactory.java new file mode 100644 index 0000000..8c954f7 --- /dev/null +++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/framework/input/correction/CorrectorFactory.java @@ -0,0 +1,63 @@ +/** + * Copyright 2006 by Know-Center, Graz, Austria + * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a + * joint initiative of the Federal Chancellery Austria and Graz University of + * Technology. + * + * 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://www.osor.eu/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. + * + * This product combines work with different licenses. See the "NOTICE" text + * file for details on the various modules and licenses. + * The "NOTICE" text file is part of the distribution. Any derivative works + * that you distribute must include a readable copy of the "NOTICE" text file. + */ +package at.gv.egiz.pdfas.framework.input.correction; + +import at.gv.egiz.pdfas.impl.input.correction.ExternalCorrector; +import at.gv.egiz.pdfas.impl.input.correction.InternalCorrector; +import at.knowcenter.wag.egov.egiz.cfg.SettingsReader; +import at.knowcenter.wag.egov.egiz.exceptions.SettingsException; + +/** + * Factory for creating Correctors. + * + * @author wprinz + */ +public class CorrectorFactory +{ + public static final String INTERNAL_CORRECTOR = "internal"; + + public static final String EXTERNAL_CORRECTOR = "external"; + + public static final String CORRECTOR_KEY = "corrector"; + + public static Corrector createCorrector(String id) throws SettingsException + { + if (id.equals(INTERNAL_CORRECTOR)) + { + return new InternalCorrector(); + } + if (id.equals(EXTERNAL_CORRECTOR)) + { + return new ExternalCorrector(); + } + throw new SettingsException("The connector id '" + id + "' is not a valid corrector id."); + } + + public static Corrector createCorrector() throws SettingsException + { + String id = SettingsReader.getInstance().getSetting(CORRECTOR_KEY, INTERNAL_CORRECTOR); + return createCorrector(id); + } + +} -- cgit v1.2.3