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 --- .../vfilter/helper/VerificationFilterHelper.java | 162 --------------------- 1 file changed, 162 deletions(-) delete mode 100644 src/main/java/at/gv/egiz/pdfas/impl/vfilter/helper/VerificationFilterHelper.java (limited to 'src/main/java/at/gv/egiz/pdfas/impl/vfilter/helper/VerificationFilterHelper.java') diff --git a/src/main/java/at/gv/egiz/pdfas/impl/vfilter/helper/VerificationFilterHelper.java b/src/main/java/at/gv/egiz/pdfas/impl/vfilter/helper/VerificationFilterHelper.java deleted file mode 100644 index 69803e7..0000000 --- a/src/main/java/at/gv/egiz/pdfas/impl/vfilter/helper/VerificationFilterHelper.java +++ /dev/null @@ -1,162 +0,0 @@ -/** - * 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.impl.vfilter.helper; - -import java.util.ArrayList; -import java.util.Iterator; -import java.util.List; - -import at.gv.egiz.pdfas.exceptions.framework.VerificationFilterException; -import at.gv.egiz.pdfas.impl.input.helper.DataSourceHelper; -import at.gv.egiz.pdfas.impl.vfilter.Partition; -import at.gv.egiz.pdfas.impl.vfilter.partition.BinaryPartition; -import at.gv.egiz.pdfas.impl.vfilter.partition.TextPartition; -import at.gv.egiz.pdfas.framework.input.PdfDataSource; -import at.knowcenter.wag.exactparser.parsing.results.FooterParseResult; - -/** - * Contains helpful methods used by the VerificationFilter. - * - * @author wprinz - */ -public final class VerificationFilterHelper -{ - /** - * Partitions the list of Incremental Update blocks into text and binary - * partitions. - * - *

- * A partition is a sequence of Incremental Update blocks of the same type. - *

- *

- * An Incremental Update block is considered to have the type "binary" if it - * contains an egiz dictionary. A block not containing an egiz dictionary is - * considert to have the type "text". - *

- * - * @param pdf - * The PDF. - * @param blocks - * The Incremental Update blocks. - * @return Returns the partitioning of the blocks. - * @throws VerificationFilterException - * Thrown if something goes wrong. - */ - public static List partition(PdfDataSource pdf, List blocks) throws VerificationFilterException - { - List partitions = new ArrayList(blocks.size()); - - Iterator it = blocks.iterator(); - while (it.hasNext()) - { - FooterParseResult fpr = (FooterParseResult) it.next(); - - byte[] data = DataSourceHelper.convertDataSourceToByteArray(pdf); - if (VerificationFilterBinaryHelper.containsEGIZDict(data, fpr)) - { - BinaryPartition bp = null; - if (partitions.isEmpty() || ((Partition) partitions.get(partitions.size() - 1)).isTextPartition()) - { - bp = new BinaryPartition(); - bp.blocks = new ArrayList(blocks.size()); - partitions.add(bp); - } - else - { - bp = (BinaryPartition) partitions.get(partitions.size() - 1); - } - assert bp != null; - - bp.blocks.add(fpr); - } - else - { - TextPartition tp = null; - if (partitions.isEmpty() || !((Partition) partitions.get(partitions.size() - 1)).isTextPartition()) - { - tp = new TextPartition(); - tp.blocks = new ArrayList(blocks.size()); - partitions.add(tp); - } - else - { - tp = (TextPartition) partitions.get(partitions.size() - 1); - } - assert tp != null; - - tp.blocks.add(fpr); - } - } - - assert partitions.size() >= 1 : "There must be at least one partition"; - - return partitions; - } - - /** - * Determines the end of the given partiton. - * - * @param partition - * The partition. - * @return Returns the end index of the given partition. - */ - public static int getEndOfPartition(Partition partition) - { - List blocks = null; - if (partition instanceof TextPartition) - { - blocks = ((TextPartition) partition).blocks; - } - else - { - blocks = ((BinaryPartition) partition).blocks; - } - - return ((FooterParseResult) blocks.get(blocks.size() - 1)).next_index; - } - - /** - * Finds the last text partition in the given list of partitions. - * - * @param partitions - * The partitions. - * @return Returns the last TextPartition. - */ - public static TextPartition findLastTextPartition(List partitions) - { - Partition lastTextPartition = (Partition) partitions.get(partitions.size() - 1); - - if (!lastTextPartition.isTextPartition()) - { - assert partitions.size() > 1 : "The only one partition cannot be a binary partition - where is the original document?"; - Partition previousToLastPartition = (Partition) partitions.get(partitions.size() - 2); - assert previousToLastPartition.isTextPartition() : "The previous to last partition must be a text partition or something is wrong with the partitioning algorithm."; - - lastTextPartition = previousToLastPartition; - } - - return (TextPartition) lastTextPartition; - } - -} -- cgit v1.2.3