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 renames 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 JobSchedulerRenameFile extends Job_impl {
private SOSLogger logger = null;
/**
* Implementierung für Spooler API.
* Initialisierungmethode für 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 für Spooler API Läuft 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;
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);
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));
}
} 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.var(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
rc = SOSFileOperations.renameFile(source, target, fileSpec, flags, java.util.regex.Pattern.CASE_INSENSITIVE, replacing, replacement, minFileAge, maxFileAge, minFileSize, maxFileSize, skipFirstFiles, skipLastFiles, logger);
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 JobSchedulerRenameFile: " + e.getMessage());
} catch(Exception x) {}
return false;
}
}
/**
* Implementierung für Spooler API. Wird beim Entladen aufgerufen und
* schließt die Datenbankverbindung.
*/
public void spooler_exit() {
try {
} catch (Exception e) {
// no error processing at job level
} finally {
}
}
}
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