node-pdfbox/lib/java.js

Bridge module to library Apache PDFBox

'use strict';

const java = require('java');
const path = require('path');
let init = false;

exports.getJavaInstance = function(options, classpaths) {
  if(!init) {
    init = true;
    java.options.push('-Dsun.java2d.cmm=sun.java2d.cmm.kcms.KcmsServiceProvider');
    java.options.push('-Djava.awt.headless=true');
    java.options.push('-Xmx1024m');

    options = typeof options === 'string' ? [options] : options;
    classpaths = typeof classpaths === 'string' ? [classpaths] : classpaths;

    if(Array.isArray(options)) {
      options.forEach(option => {
        java.options.push(option);
      });
    }

    java.classpath.push(path.resolve(__dirname, "..", "src-library/jai-imageio-core-1.3.1.jar"));
    java.classpath.push(path.resolve(__dirname, "..", "src-library/jai-imageio-jpeg2000-1.3.0.jar"));
    java.classpath.push(path.resolve(__dirname, "..", "src-library/levigo-jbig2-imageio-1.6.5.jar"));
    java.classpath.push(path.resolve(__dirname, "..", "src-library/pdfbox.jar")); //2.0.5
    java.classpath.push(path.resolve(__dirname, "..", "out/production/node-pdfbox"));

    if(Array.isArray(classpaths)) {
      options.forEach(classpath => {
        java.classpath.push(classpath);
      });
    }

    java.asyncOptions = {
      asyncSuffix: 'Async',
      syncSuffix: "Sync",
      promiseSuffix: 'Promise',
      promisify: require("when/node").lift
    };
  }
  return java;
}