java调用WPS或pdfcreator的com接口实现doc转pdf

使用了jacob.jar来调用activex控件，本机需安装WPS或pdfcreator。
还需要jacob.jar以及jacob.dll 请看附件
jacob.dll 需要放置在系统system32下，如果系统是c盘：C://windows/system32/下面

import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.Dispatch;
import com.jacob.com.DispatchEvents;
import com.jacob.com.Variant;
import java.io.File;
import java.util.logging.Level;
import java.util.logging.Logger;

public class DocChangePdfForJco {

    public static Converter newConverter(String name) {
        if (name.equals("wps")) {
            return new Wps();
        } else if (name.equals("pdfcreator")) {
            return new PdfCreator();
        }
        return null;
    }

    public synchronized static boolean convert(String word, String pdf) {
        return newConverter("pdfcreator").convert(word, pdf);
    }

    public abstract static interface Converter {

        public boolean convert(String word, String pdf);
    }

    public static class Wps implements Converter {

        public synchronized boolean convert(String word, String pdf) {
            File pdfFile = new File(pdf);
            File wordFile = new File(word);
            ActiveXComponent wps = null;
            try {
                wps = new ActiveXComponent("wps.application");
                ActiveXComponent doc = wps.invokeGetComponent("Documents").invokeGetComponent("Open", new Variant(wordFile.getAbsolutePath()));
                doc.invoke("ExportPdf", new Variant(pdfFile.getAbsolutePath()));
                doc.invoke("Close");
                doc.safeRelease();
            } catch (Exception ex) {
                Logger.getLogger(DocChangePdfForJco.class.getName()).log(Level.SEVERE, null, ex);
                return false;
            } catch (Error ex) {
                Logger.getLogger(DocChangePdfForJco.class.getName()).log(Level.SEVERE, null, ex);
                return false;
            } finally {
                if (wps != null) {
                    wps.invoke("Terminate");
                    wps.safeRelease();
                }
            }
            return true;
        }
    }

    public static class PdfCreator implements Converter {

        public static final int STATUS_IN_PROGRESS = 2;
        public static final int STATUS_WITH_ERRORS = 1;
        public static final int STATUS_READY = 0;
        private ActiveXComponent pdfCreator;
        private DispatchEvents dispatcher;
        private volatile int status;
        private Variant defaultPrinter;

        private void init() {
            pdfCreator = new ActiveXComponent("PDFCreator.clsPDFCreator");
            dispatcher = new DispatchEvents(pdfCreator, this);
            pdfCreator.setProperty("cVisible", new Variant(false));
            pdfCreator.invoke("cStart", new Variant[]{new Variant("/NoProcessingAtStartup"), new Variant(true)});
            setCOption("UseAutosave", 1);
            setCOption("UseAutosaveDirectory", 1);
            setCOption("AutosaveFormat", 0);
            defaultPrinter = pdfCreator.getProperty("cDefaultPrinter");
            status = STATUS_IN_PROGRESS;
            pdfCreator.setProperty("cDefaultprinter", "PDFCreator");
            pdfCreator.invoke("cClearCache");
            pdfCreator.setProperty("cPrinterStop", false);
        }

        private void setCOption(String property, Object value) {
            Dispatch.invoke(pdfCreator, "cOption", Dispatch.Put, new Object[]{property, value}, new int[2]);
        }

        private void close() {
            if (pdfCreator != null) {
                pdfCreator.setProperty("cDefaultprinter", defaultPrinter);
                pdfCreator.invoke("cClearCache");
                pdfCreator.setProperty("cPrinterStop", true);
                pdfCreator.invoke("cClose");
                pdfCreator.safeRelease();
                pdfCreator = null;
            }
            if (dispatcher != null) {
                dispatcher.safeRelease();
                dispatcher = null;
            }
        }

        public synchronized boolean convert(String word, String pdf) {
            File pdfFile = new File(pdf);
            File wordFile = new File(word);
            try {
                init();
                setCOption("AutosaveDirectory", pdfFile.getParentFile().getAbsolutePath());
                setCOption("AutosaveFilename", pdfFile.getName());
                pdfCreator.invoke("cPrintfile", wordFile.getAbsolutePath());
                int seconds = 0;
                while (isInProcess()) {
                    Thread.sleep(1000);
                    seconds++;
                    if (seconds > 20) { // timeout
                        break;
                    }
                }
                if (seconds > 20 || isWithError()) return false;
            } catch (InterruptedException ex) {
                Logger.getLogger(DocChangePdfForJco.class.getName()).log(Level.SEVERE, null, ex);
                return false;
            } catch (Exception ex) {
                Logger.getLogger(DocChangePdfForJco.class.getName()).log(Level.SEVERE, null, ex);
                return false;
            } catch (Error ex) {
                Logger.getLogger(DocChangePdfForJco.class.getName()).log(Level.SEVERE, null, ex);
                return false;
            } finally {
                close();
            }
            return true;
        }

        private boolean isInProcess() {
            return status == STATUS_IN_PROGRESS;
        }

        private boolean isWithError() {
            return status == STATUS_WITH_ERRORS;
        }

        // eReady event
        public void eReady(Variant[] args) {
            status = STATUS_READY;
        }

        // eError event
        public void eError(Variant[] args) {
            status = STATUS_WITH_ERRORS;
        }
    }

    public static void main(String[] args) {
        convert("d:\\Itext\\tt.xls","d:\\Itext\\xssss.pdf");
    }
}