import com.sun.star.io.XInputStream; //导入依赖的package包/类
/**
 * Loads document on the basis of the submitted XInputStream implementation.
 * 
 * @param serviceProvider the service provider to be used
 * @param xInputStream OpenOffice.org XInputStream inplementation
 * @param properties properties for OpenOffice.org
 * 
 * @return loaded Document
 * 
 * @throws Exception if an OpenOffice.org communication error occurs
 * @throws IOException if document can not be found
 */
public static IDocument loadDocument(IServiceProvider serviceProvider, XInputStream xInputStream,
    PropertyValue[] properties) throws Exception, IOException {
  if (properties == null) {
    properties = new PropertyValue[0];
  }
  PropertyValue[] newProperties = new PropertyValue[properties.length + 1];
  for (int i = 0; i < properties.length; i++) {
    newProperties[i] = properties[i];
  }
  newProperties[properties.length] = new PropertyValue();
  newProperties[properties.length].Name = "InputStream";
  newProperties[properties.length].Value = xInputStream;

  Object oDesktop = serviceProvider.createServiceWithContext("com.sun.star.frame.Desktop");
  XComponentLoader xComponentLoader = (XComponentLoader) UnoRuntime.queryInterface(XComponentLoader.class,
      oDesktop);
  return loadDocument(serviceProvider,
      xComponentLoader,
      "private:stream",
      "_blank",
      0,
      newProperties);
}
 

import com.sun.star.io.XInputStream; //导入依赖的package包/类
public XComponent loadXComponent(XInputStream inputStream) throws com.sun.star.lang.IllegalArgumentException, IOException {
    XComponentLoader xComponentLoader = getXComponentLoader();

    PropertyValue[] props = new PropertyValue[2];
    props[0] = new PropertyValue();
    props[1] = new PropertyValue();
    props[0].Name = "InputStream";
    props[0].Value = inputStream;
    props[1].Name = "Hidden";
    props[1].Value = true;
    return xComponentLoader.loadComponentFromURL("private:stream", "_blank", 0, props);
}
 

import com.sun.star.io.XInputStream; //导入依赖的package包/类
public XInputStream getXInputStream(ReportTemplate reportTemplate) {
    try {
        return new OfficeInputStream(IOUtils.toByteArray(reportTemplate.getDocumentContent()));
    } catch (java.io.IOException e) {
        throw new OpenOfficeException("An error occurred while converting template to XInputStream", e);
    }
}