davidzollo commented on code in PR #10105: URL: https://github.com/apache/seatunnel/pull/10105#discussion_r2562793947
########## seatunnel-connectors-v2/connector-file/connector-file-base/src/main/java/org/apache/seatunnel/connectors/seatunnel/file/source/reader/PdfReadStrategy.java: ########## @@ -0,0 +1,1010 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.seatunnel.connectors.seatunnel.file.source.reader; + +import org.apache.seatunnel.shade.org.apache.commons.lang3.StringUtils; + +import org.apache.seatunnel.api.source.Collector; +import org.apache.seatunnel.api.table.type.BasicType; +import org.apache.seatunnel.api.table.type.SeaTunnelRow; +import org.apache.seatunnel.api.table.type.SeaTunnelRowType; +import org.apache.seatunnel.connectors.seatunnel.file.config.DocumentElement; +import org.apache.seatunnel.connectors.seatunnel.file.exception.FileConnectorException; + +import org.apache.pdfbox.contentstream.PDFStreamEngine; +import org.apache.pdfbox.contentstream.operator.Operator; +import org.apache.pdfbox.cos.COSBase; +import org.apache.pdfbox.cos.COSName; +import org.apache.pdfbox.io.RandomAccessReadBuffer; +import org.apache.pdfbox.pdfparser.PDFParser; +import org.apache.pdfbox.pdmodel.PDDocument; +import org.apache.pdfbox.pdmodel.PDDocumentCatalog; +import org.apache.pdfbox.pdmodel.PDPage; +import org.apache.pdfbox.pdmodel.common.PDRectangle; +import org.apache.pdfbox.pdmodel.graphics.PDXObject; +import org.apache.pdfbox.pdmodel.graphics.form.PDFormXObject; +import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject; +import org.apache.pdfbox.pdmodel.interactive.action.PDAction; +import org.apache.pdfbox.pdmodel.interactive.action.PDActionGoTo; +import org.apache.pdfbox.pdmodel.interactive.action.PDActionURI; +import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotation; +import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationLink; +import org.apache.pdfbox.pdmodel.interactive.documentnavigation.destination.PDDestination; +import org.apache.pdfbox.pdmodel.interactive.documentnavigation.destination.PDNamedDestination; +import org.apache.pdfbox.pdmodel.interactive.documentnavigation.destination.PDPageDestination; +import org.apache.pdfbox.pdmodel.interactive.documentnavigation.destination.PDPageXYZDestination; +import org.apache.pdfbox.pdmodel.interactive.documentnavigation.outline.PDDocumentOutline; +import org.apache.pdfbox.pdmodel.interactive.documentnavigation.outline.PDOutlineItem; +import org.apache.pdfbox.text.PDFTextStripper; +import org.apache.pdfbox.text.PDFTextStripperByArea; +import org.apache.pdfbox.text.TextPosition; +import org.apache.pdfbox.util.Matrix; + +import lombok.Getter; +import lombok.extern.slf4j.Slf4j; + +import java.awt.geom.Rectangle2D; +import java.io.ByteArrayInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.nio.file.Files; +import java.nio.file.Paths; +import java.util.ArrayList; +import java.util.Comparator; +import java.util.List; +import java.util.Map; +import java.util.function.Function; +import java.util.stream.Collectors; +import java.util.stream.IntStream; + +/** + * PDF reading strategy V2 for RAG scenarios Extracts structured content including chapter titles, + * paragraph text, and images + */ +@Slf4j +public class PdfReadStrategy extends AbstractReadStrategy { + + // Store heading coordinates for coordinate-based text extraction + private List<CoordinateInfo> headingCoordinates = new ArrayList<>(); + + @Override + public void read(String path, String tableId, Collector<SeaTunnelRow> output) + throws IOException, FileConnectorException { + + byte[] documentData = Files.readAllBytes(Paths.get(path)); Review Comment: Please use stream load for large pdf file. Considering PDDocument.load(File file) or PDDocument.load(InputStream is) ? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
