public static string CreateJpeg2000(string file)
{
var source_file = String.Format("{0}{1}", ImageDirectory, file);
var dest_file = String.Format("{0}{1}.jp2", Jpeg2000Directory, StripFileExtension(file));
var files = new KeyValuePair <string, string>(source_file, dest_file);
var db = new DjatokaDataContext();
var resource = db.DjatokaResources.SingleOrDefault(r => r.imageFile == dest_file);
// check file doesn't exist physically, and also not present in database linked to an identifier, trying to avoid duplicate encoding here
if (resource == null)
{
if (File.Exists(dest_file) == false)
{
if (!_bwFiles.Contains(files))
{
_bwFiles.Add(files);
}
if (!IsBwBusy)
{
_bw.RunWorkerAsync();
}
}
else
{
LogHelper.StatsLog(null, "CreateJpeg2000", "WARNING! Skipped file creation, destination file exists already, but no database entry: " + dest_file, null, null);
}
return("");
}
LogHelper.StatsLog(null, "CreateJpeg2000", "skipped file creation, database entry exists for: " + source_file, null, null);
return(resource.identifier);
}
private static void createJpeg2000(string input_file, string output_file)
{
try
{
var p = new Process
{
StartInfo =
{
UseShellExecute = false,
RedirectStandardError = true,
RedirectStandardOutput = true
},
EnableRaisingEvents = true
};
string KAKADU_HOME = String.Format("{0}\\bin\\Win32", DjatokaHome);
string JAVA_OPTS = String.Format("-Djava.awt.headless=true -Xmx512M -Xms64M -Dkakadu.home=\"{0}\" -Djava.library.path=\"{0}\"", KAKADU_HOME);
string CLASSPATH = String.Format(@".;{0}\lib\adore-djatoka-1.1.jar;{0}\lib\commons-cli-1.1.jar;{0}\lib\ij.jar;{0}\lib\jai_codec.jar;{0}\lib\jai_core.jar;{0}\lib\kdu_jni.jar;{0}\lib\log4j-1.2.8.jar;{0}\lib\mlibwrapper_jai.jar;{0}\lib\oom.jar;{0}\lib\oomRef.jar;{0}\lib\uk.co.mmscomputing.imageio.tiff.jar;{0}\lib\ij-ImageIO.jar", DjatokaHome);
string cmd = String.Format(@"""{0}""", JavaHome);
p.StartInfo.FileName = cmd;
p.StartInfo.Arguments = String.Format("{2} -classpath {3} gov.lanl.adore.djatoka.DjatokaCompress -i\"{0}\" -o\"{1}\"", input_file, output_file, JAVA_OPTS, CLASSPATH);
try
{
p.Start();
}
catch (Exception exp)
{
LogHelper.StatsLog(null, "createJpeg2000() process start failed: " + exp.Message, String.Format("{0} {1}", p.StartInfo.FileName, p.StartInfo.Arguments), null, null);
}
LogHelper.StatsLog(null, "createJpeg2000()", String.Format("{0} {1}", p.StartInfo.FileName, p.StartInfo.Arguments), null, null);
using (StreamReader error = p.StandardError)
{
var error_output = error.ReadToEnd();
p.WaitForExit();
if ((error_output.Length > 0) && (error_output.Length != 153))
{
throw new Exception("error detected: " + error_output);
}
LogHelper.StatsLog(null, "createJpeg2000()", "Ok!: " + output_file, null, null);
}
var jpeg2000_identifier = String.Format("{0}{1}", Jpeg2000Namespace,
Path.GetFileNameWithoutExtension(output_file));
var db = new DjatokaDataContext();
var r = new DjatokaResource {
identifier = jpeg2000_identifier, imageFile = output_file
};
db.DjatokaResources.InsertOnSubmit(r);
db.SubmitChanges();
}
catch (Exception ex)
{
LogHelper.StatsLog(null, "createJpeg2000()", "createJpeg2000() failed: " + ex.Message, null, null);
throw new Exception("createJpeg2000() error", ex.InnerException);
}
}
