Package sos.scheduler.file

Source Code of sos.scheduler.file.JobSchedulerCopyFile

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package sos.scheduler.file;


import sos.spooler.Job_impl;
import sos.spooler.Variable_set;
import sos.util.SOSLogger;
import sos.util.SOSSchedulerLogger;
import sos.util.SOSFileOperations;

/**
* This job copies one file or several files of a directory.
* It can be used standalone or as an order driven job.
*
* @author Florian Schreiber <fs@sos-berlin.com>
* @since  2006-11-01
*/
public class JobSchedulerCopyFile extends Job_impl {

  private SOSLogger logger = null;
 
 
  /**
   * Implementierung f�r Spooler API.
   * Initialisierungmethode f�r den Scheduler.
   * @return boolean
   */
  public boolean spooler_init() {
   
    try {
      try {
        this.logger = new SOSSchedulerLogger(this.spooler_log);
      } catch (Exception e) {
        throw new Exception("error occurred instantiating logger: " + e.getMessage());
      }
     
      return true;
     
    } catch (Exception e) {
      try {
        if ( logger!=null ) logger.error("error occurred in spooler_init(): " + e.getMessage());
      } catch (Exception x) {}
     
      return false;
    }
  }
 
   
  /**
   * Implementierung f�r Spooler API L�uft bis return = false
   * @return boolean
   */
  public boolean spooler_process() {
   
    boolean rc = false;
    String name = null;
   
    String source = null;
    String target = null;
    String fileSpec = ".*";
    int flags = 0;
    String replacing = null;
    String replacement = null;
   
    String minFileAge = "0";
    String maxFileAge = "0";
   
    String minFileSize = "-1";
    String maxFileSize = "-1";
   
    int skipFirstFiles = 0;
    int skipLastFiles = 0;
   
    boolean count_files = false;
   
   
    try {
     
      // Job oder Order
      Variable_set params = spooler.create_variable_set();
      if (spooler_task.params() != null) params.merge(spooler_task.params());
      if (spooler_job.order_queue() != null && spooler_task.order().params() != null)
        params.merge(spooler_task.order().params());
     
      // mandatory parameters
      name = "source_file";
      if ( params.value(name)!=null && params.value(name).length()>0 ) {
        source = params.value(name);
       
        // To make orderparams available for substitution in orderparam value
        while (source.matches("^.*%[^%]+%.*$")) {
          String p = source.replaceFirst("^.*%([^%]+)%.*$", "$1");
          String s = params.var(p);
          s = s.replace('\\','/');
          source = source.replaceAll("%"+p+"%", s);
          logger.debug("processing job parameter ["+name+"]: substitute %"+p+"% with "+s);
        }
      }
      else
        throw new Exception("job parameter is missing: ["+name+"]");
     
      logger.info(".. job parameter ["+name+"]: " + source);
     
     
      // optional parameters
      name = "target_file";
      if ( params.value(name)!=null && params.value(name).length()>0 ) {       
        target = params.value(name);
        logger.info(".. job parameter ["+name+"]: " + target);
      }
     
      name = "file_spec";
      if ( params.value(name)!=null && params.value(name).length()>0 ) {       
        fileSpec = params.value(name);
        logger.info(".. job parameter ["+name+"]: " + fileSpec);
      }
     
      try {
       
        name = "create_dir";
        if ( params.value(name) != null && params.value(name).length() > 0 ) {
          flags |= ( SOSFileOperations.toBoolean(params.value(name)) ) ? SOSFileOperations.CREATE_DIR : 0;
          logger.info(".. job parameter ["+name+"]: " + params.value(name));
        }
       
        name = "gracious";
        if ( params.value(name) != null && params.value(name).length() > 0 ) {
          flags |= ( SOSFileOperations.toBoolean(params.value(name)) ) ? SOSFileOperations.GRACIOUS : 0;
          logger.info(".. job parameter ["+name+"]: " + params.value(name));
        }
       
        name = "overwrite";
        if ( params.value(name)!=null && params.value(name).length()>0 ) {
          flags |= ( SOSFileOperations.toBoolean(params.value(name)) ) ? 0 : SOSFileOperations.NOT_OVERWRITE;
          logger.info(".. job parameter ["+name+"]: " + params.value(name));
        }
       
        name = "recursive";
        if ( params.value(name)!=null && params.value(name).length()>0 ) {
          flags |= ( SOSFileOperations.toBoolean(params.value(name)) ) ? SOSFileOperations.RECURSIVE : 0;
          logger.info(".. job parameter ["+name+"]: " + params.value(name));
        }
       
        name = "count_files";
        if ( params.value(name)!=null && params.value(name).length()>0 ) {
          count_files = SOSFileOperations.toBoolean(params.value(name));
          logger.info(".. job parameter ["+name+"]: " + params.value(name));
          if (spooler_job.order_queue() == null)
            logger.warn("This is no order job. Job parameter ["+name+"] is only available for order jobs");
        }
       
      } catch (Exception x) {
        throw new Exception("cannot evaluate job parameter ["+name+"]: " + x.getMessage());
      }
     
      name = "replacing";
      if ( params.value(name)!=null && params.value(name).length()>0 ) {       
        replacing = params.value(name);
        logger.info(".. job parameter ["+name+"]: " + replacing);
      }
     
      name = "replacement";
      // Es muss unterschieden werden zwischen NULL und ""
      String[] pArr = params.names().split(";");
      for (int i=0; i<pArr.length; i++) {
        if ( pArr[i].equals( name) )
          replacement = params.value(name);
      }
     
      if ( replacement!=null )
        logger.info(".. job parameter ["+name+"]: " + replacement);
     
     
      if ( replacing != null && replacement == null ) {
        throw new Exception("job parameter is missing for specified parameter [replacing]: [replacement]");
      }
     
      if ( replacing == null && replacement != null ) {
        throw new Exception("job parameter is missing for specified parameter [replacement]: [replacing]");
      }
     
      name = "min_file_age";
      if ( params.var(name)!=null && params.var(name).length()>0 ) {
        minFileAge = params.var(name);
        logger.info(".. job parameter ["+name+"]: " + minFileAge);
      }
     
      name = "max_file_age";
      if ( params.var(name)!=null && params.var(name).length()>0 ) {
        maxFileAge = params.var(name);
        logger.info(".. job parameter ["+name+"]: " + maxFileAge);
      }
     
      name = "min_file_size";
      if ( params.var(name)!=null && params.var(name).length()>0 ) {
        minFileSize = params.var(name);
        logger.info(".. job parameter ["+name+"]: " + minFileSize);
      }
     
      name = "max_file_size";
      if ( params.var(name)!=null && params.var(name).length()>0 ) {
        maxFileSize = params.var(name);
        logger.info(".. job parameter ["+name+"]: " + maxFileSize);
      }
     
      name="skip_first_files";
      if ( params.var(name)!=null && params.var(name).length()>0 ) {
        try {
          skipFirstFiles = Integer.parseInt(params.var(name));
        } catch (Exception ex) {
          throw new Exception("invalid, non-numeric value for parameter [" + name + "]: " + ex.getMessage());
        }
        logger.info(".. job parameter ["+name+"]: " + skipFirstFiles);
      }
     
      name="skip_last_files";
      if ( params.var(name)!=null && params.var(name).length()>0 ) {
        try {
          skipLastFiles = Integer.parseInt(params.var(name));
        } catch (Exception ex) {
          throw new Exception("invalid, non-numeric value for parameter [" + name + "]: " + ex.getMessage());
        }
        logger.info(".. job parameter ["+name+"]: " + skipLastFiles);
      }
     
     
      // Methodenaufruf
      int nrOfTransferedFiles = SOSFileOperations.copyFileCnt(source, target, fileSpec, flags,
                                java.util.regex.Pattern.CASE_INSENSITIVE, replacing, replacement,
                                minFileAge, maxFileAge, minFileSize, maxFileSize, skipFirstFiles, skipLastFiles, logger);
     
      // Anzahl der �bertragenen Dateien wird in einen Order-Parameter geschrieben
      if (count_files && spooler_job.order_queue() != null) {
        spooler_task.order().params().set_var("scheduler_SOSFileOperations_file_count", String.valueOf(nrOfTransferedFiles));
      }
      
      rc = (nrOfTransferedFiles > 0);
     
      if (!rc && params.value("gracious") != null && params.value("gracious").equalsIgnoreCase("all")) {
        return (spooler_job.order_queue() != null);
      } else {
        return (spooler_job.order_queue() != null) ? rc : false;
      }
     
    } catch (Exception e) {
     
      try {
        logger.error("error occurred in JobSchedulerCopyFile: " + e.getMessage());
      } catch(Exception x) {}
     
      return false;
    }
  }
 
}
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