edu.harvard.hul.ois.jhove.DefaultConfigurationBuilder Maven / Gradle / Ivy
package edu.harvard.hul.ois.jhove;
import java.io.File;
import java.lang.reflect.Field;
/** This class creates a default configuration if no valid configuration file
* is found. */
public class DefaultConfigurationBuilder {
private final static String FILE_SEP = System.getProperty ("file.separator");
private final static String HOME_DIR = System.getProperty ("user.home");
private final static String JHOVE_DIR = HOME_DIR + FILE_SEP + "jhove";
private File configFile;
/** Constructor. A location for the file may be specified or
* left null, */
public DefaultConfigurationBuilder (File location) {
if (location != null) {
configFile = location;
}
else {
configFile = new File (JHOVE_DIR +
FILE_SEP + "conf" +
FILE_SEP + "jhove.conf");
}
}
public File getConfigFile () {
return configFile;
}
/** We can't have a static method in an Interface and override it, so we
* have to get a bit ugly to fake static inheritance. The advantage of
* this is that only the Modules with non-null default config file
* parameters have to implement the defaultConfigParams static field. */
protected String[] getDefaultConfigParameters (Class c) {
try {
Field dcpField = c.getField("defaultConfigParams");
return (String[]) dcpField.get(null);
}
catch (Exception e) {
return new String [] {};
}
}
}