core/sql/arkcmp/SQLJFile.h

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#ifndef SQLJFILE__H
#define SQLJFILE__H

/* -*-C++-*-
 *****************************************************************************
 * File:         SQLJFile.h
 * Description:  This class finds & extracts embedded module definitions from
 *               NS SQLJ JAR and/or profile (*.ser) files.
 * Created:      08/06/2003
 * Language:     C++
 *****************************************************************************
 */
#include "ApplicationFile.h"

const Int32 MAXMDF=1024;

class SQLJFile : public ApplicationFile {
 public:
  // constructor
  SQLJFile(std::string& filename);

  // destructor
  virtual ~SQLJFile();

  // open SQLJ file for extraction of embedded module definitions.
  virtual bool openFile(Cmdline_Args &args); // (IN): for module name list
  // return true if all OK

  // do nothing because MDFWriter error file has already been reported
  // earlier by printMDFWriterErrors() at end of SQLJFile::openFile()
  virtual void logErrors() { return; }

  // find next embedded module definition from this aplication file.
  // return false if no module definition found.
  virtual bool findNextModule
    (std::string &modName);// (OUT): name of module found

  // extract embedded module definition & SQL compile it.
  // return true if all OK.
  virtual bool processModule();

  virtual Int32 modulesFound();
  virtual Int32 modulesExtracted();

  // return true iff this is a SQLJ JAR or profile file
  static bool isSQLJ(std::string& filename);

 private:
  // return "" or "-CMFN=modNamList_" where modNamList_ is a temp file that 
  // has the list of module names to be extracted by MDFWriter.
  // requires: cmfn is long enough to hold "-CMFN=modNamList_".
  char* getModuleNamesOption(Cmdline_Args &args, //(IN): for module name list
                             char *cmfn); // (OUT): holds -CMFN=modNamList_

  // print MDFWriter errors to cout
  void printMDFWriterErrors(char *errFileName);

  Int32         nExtracted_; // number of modules extracted
  std::string modNamList_; // file with list of module names to extract
  char        mdf_[MAXMDF];// extracted module definition filename
};

inline Int32 SQLJFile::modulesExtracted() { return nExtracted_; } 
inline Int32 SQLJFile::modulesFound()     { return modulesExtracted(); }

#endif // SQLJFILE__H