/**
* Writes the document to the internal output stream.
*
* @throws Exception
*/
protected void serializeDocument(boolean enableExternalDataMart) throws Exception {
ReportDesignHandle beforeSerializedDesignHandle = designHandle;
os = new ByteArrayOutputStream();
ReportDesignSerializer visitor = new ReportDesignSerializer();
designHandle.getModule().apply(visitor);
design = visitor.getTarget();
designHandle = (ReportDesignHandle) design.getHandle(design);
if (enableExternalDataMart) {
design.prepareToSave();
DesignWriter writer = (DesignWriter) design.getWriter();
DesignWriterUtil.enableExternalDataMarts(writer);
writer.write(os);
design.onSave();
} else designHandle.serialize(os);
this.beforeSerializedDesignHandle = beforeSerializedDesignHandle;
}
