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 removes one file or several files from the file system.
* It can be used standalone or as an order driven job.
*
* @author Florian Schreiber <fs@sos-berlin.com>
* @since 2006-11-01
*/
public class JobSchedulerRemoveFile 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 file = null;
String fileSpec = ".*";
int flags = 0;
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 = "file";
if ( params.value("file") != null && params.value("file").length()>0 ) {
file = params.value("file");
logger.info(".. job parameter [file]: " + file);
} else if ( params.value("source_file") != null && params.value("source_file").length() > 0 ) {
file = params.value("source_file");
logger.info(".. job parameter [source_file]: " + file);
} else {
throw new Exception("job parameter is missing: ["+name+"]");
}
// optional parameters
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 = "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 = "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 = "remove_dir";
if ( params.value(name) != null && params.value(name).length() > 0 ) {
flags |= ( SOSFileOperations.toBoolean(params.value(name)) ) ? SOSFileOperations.REMOVE_DIR : 0;
logger.info(".. job parameter ["+name+"]: " + params.value(name));
}
name = "wipe";
if ( params.var(name)!=null && params.var(name).length()>0 ) {
flags |= ( SOSFileOperations.toBoolean(params.var(name)) ) ? SOSFileOperations.WIPE : 0;
logger.info(".. job parameter ["+name+"]: " + params.var(name));
}
} catch (Exception x) {
throw new Exception("cannot evaluate job parameter ["+name+"]: "+ x.getMessage());
}
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.removeFile(file, fileSpec, flags, java.util.regex.Pattern.CASE_INSENSITIVE, 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 JobSchedulerRemoveFile: " + 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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