com.simiacryptus.skyenet.apps.parsers.PDFReader.kt Maven / Gradle / Ivy
package com.simiacryptus.skyenet.apps.parsers
import org.apache.pdfbox.pdmodel.PDDocument
import org.apache.pdfbox.rendering.PDFRenderer
import org.apache.pdfbox.text.PDFTextStripper
import java.awt.image.BufferedImage
import java.io.File
class PDFReader(pdfFile: File) : DocumentParserApp.DocumentReader {
private val document: PDDocument = PDDocument.load(pdfFile)
private val renderer: PDFRenderer = PDFRenderer(document)
private val stripper: PDFTextStripper = PDFTextStripper().apply { sortByPosition = true }
override fun getPageCount(): Int = document.numberOfPages
override fun getText(startPage: Int, endPage: Int): String {
stripper.startPage = startPage
stripper.endPage = endPage
return stripper.getText(document)
}
override fun renderImage(pageIndex: Int, dpi: Float): BufferedImage {
return renderer.renderImageWithDPI(pageIndex, dpi)
}
override fun close() {
document.close()
}
}