groovyでpdfbox

client.sh

curl -s -v -XPOST localhost:6001 --data-binary @all.pdf

pdfbox-cli.groovy

@Grab('org.apache.pdfbox:pdfbox:2.0.8')

import org.apache.pdfbox.pdmodel.PDDocument
import org.apache.pdfbox.text.PDFTextStripper

def pdf2text(path) {
    File file = new File(path)
    PDDocument doc = PDDocument.load(file)

    def stripper = new PDFTextStripper()
    def text = stripper.getText(doc)

    doc.close()
    return text
}

args.each {
    println pdf2text(it)
}

pdfbox-server.groovy

@Grab('org.apache.pdfbox:pdfbox:2.0.8')

import com.sun.net.httpserver.HttpExchange
import com.sun.net.httpserver.HttpHandler
import com.sun.net.httpserver.HttpServer

import org.apache.pdfbox.pdmodel.PDDocument
import org.apache.pdfbox.text.PDFTextStripper

def pdf2text(buf) {
    PDDocument doc = PDDocument.load(buf)

    def stripper = new PDFTextStripper()
    def text = stripper.getText(doc)

    doc.close()
    return text
}

def PORT = 6001
HttpServer server = HttpServer.create(new InetSocketAddress(PORT), 0);
server.createContext("/", new HttpHandler() {
    @Override
    public void handle(HttpExchange he) throws IOException {
        try {
            def ifs = he.getRequestBody()
            def outText = pdf2text(ifs)
            def bs = outText.getBytes("UTF-8");
            println bs.length
            he.getResponseHeaders().add("Content-Type", "text/plain")
            he.sendResponseHeaders(200, bs.length)
            he.getResponseBody().write(bs)
        } catch(Exception e) {
            println e
        } finally {
            he.close()
        }
    }
})
server.start()