ComprimePdf.java

package br.com.exemplo;

import org.ghost4j.Ghostscript;
import org.ghost4j.GhostscriptException;

public class ComprimePdf {

	public static void main(String[] args) {
		Ghostscript gs = Ghostscript.getInstance();

		String[] gsArgs = new String[9];
//		gsArgs[0] = "-I/usr/local/Cellar/ghostscript/9.20/bin/";
		gsArgs[0] = "-gs";
		gsArgs[1] = "-sDEVICE=pdfwrite";
		gsArgs[2] = "-dCompatibilityLevel=1.4";
		gsArgs[3] = "-dPDFSETTINGS=/screen"; // ebook ou screen
		gsArgs[4] = "-dNOPAUSE";
		gsArgs[5] = "-dQUIET";
		gsArgs[6] = "-dBATCH";
		gsArgs[7] = "-sOutputFile=/Users/sandro/output.pdf";
		gsArgs[8] = "/Users/sandro/digitalizar0025.pdf";

		try {
			gs.initialize(gsArgs);
			gs.exit();
		} catch (GhostscriptException e) {
			// TODO Auto-generated catch block
			System.out.println("Erro: " + e.getMessage());
		}
	}
}