private static void writeParam(XMLPrettyPrinter pp, String name, String value) {
if (value == null) return;
AttributeListImpl atts = new AttributeListImpl();
atts.addAttribute("name", "CDATA", name);
atts.addAttribute("value", "CDATA", value);
pp.startElement("param", atts);
pp.endElement("param");
}
private static void writeProperty(XMLPrettyPrinter pp, Property prop) {
AttributeListImpl atts = new AttributeListImpl();
if (prop.isIdProperty()) atts.addAttribute("type", "CDATA", "id");
else if (prop.isIgnoreProperty()) atts.addAttribute("type", "CDATA", "ignore");
if (!prop.isIdProperty() && prop.getLookupBehaviour() != Property.Lookup.DEFAULT) {
String value = prop.getLookupBehaviour().toString().toLowerCase();
atts.addAttribute("lookup", "CDATA", value);
}
pp.startElement("property", atts);
writeElement(pp, "name", prop.getName());
if (prop.getComparator() != null)
writeElement(pp, "comparator", prop.getComparator().getClass().getName());
if (prop.getLowProbability() != 0.0) writeElement(pp, "low", "" + prop.getLowProbability());
if (prop.getHighProbability() != 0.0) writeElement(pp, "high", "" + prop.getHighProbability());
pp.endElement("property");
}
private static void writeDataSource(XMLPrettyPrinter pp, DataSource src) {
String name = null;
if (src instanceof JNDIDataSource) {
name = "jndi";
JNDIDataSource jndi = (JNDIDataSource) src;
pp.startElement(name, null);
writeParam(pp, "jndi-path", jndi.getJndiPath());
writeParam(pp, "query", jndi.getQuery());
} else if (src instanceof JDBCDataSource) {
name = "jdbc";
JDBCDataSource jdbc = (JDBCDataSource) src;
pp.startElement(name, null);
writeParam(pp, "driver-class", jdbc.getDriverClass());
writeParam(pp, "connection-string", jdbc.getConnectionString());
writeParam(pp, "user-name", jdbc.getUserName());
writeParam(pp, "password", jdbc.getPassword());
writeParam(pp, "query", jdbc.getQuery());
} else if (src instanceof CSVDataSource) {
name = "csv";
CSVDataSource csv = (CSVDataSource) src;
pp.startElement(name, null);
writeParam(pp, "input-file", csv.getInputFile());
writeParam(pp, "encoding", csv.getEncoding());
writeParam(pp, "skip-lines", csv.getSkipLines());
writeParam(pp, "header-line", csv.getHeaderLine());
if (csv.getSeparator() != 0) writeParam(pp, "separator", csv.getSeparator());
}
if (src instanceof ColumnarDataSource) {
// FIXME: this breaks the order...
for (Column col : ((ColumnarDataSource) src).getColumns()) {
AttributeListImpl atts = new AttributeListImpl();
atts.addAttribute("name", "CDATA", col.getName());
atts.addAttribute("property", "CDATA", col.getProperty());
if (col.getPrefix() != null) atts.addAttribute("prefix", "CDATA", col.getPrefix());
// FIXME: cleaner really requires object support ... :-(
if (col.getCleaner() != null)
atts.addAttribute("cleaner", "CDATA", col.getCleaner().getClass().getName());
pp.startElement("column", atts);
pp.endElement("column");
}
}
pp.endElement(name);
}
private static void writeElement(XMLPrettyPrinter pp, String name, String value) {
if (value == null) return; // saves us having to repeat these tests everywhere
pp.startElement(name, null);
pp.text(value);
pp.endElement(name);
}
/** Writes the given configuration to the given file. */
public static void write(Configuration config, String file) throws IOException {
FileOutputStream fos = new FileOutputStream(file);
XMLPrettyPrinter pp = new XMLPrettyPrinter(fos);
pp.startDocument();
pp.startElement("duke", null);
// FIXME: here we should write the objects, but that's not
// possible with the current API. we don't need that for the
// genetic algorithm at the moment, but it would be useful.
pp.startElement("schema", null);
writeElement(pp, "threshold", "" + config.getThreshold());
if (config.getMaybeThreshold() != 0.0)
writeElement(pp, "maybe-threshold", "" + config.getMaybeThreshold());
for (Property p : config.getProperties()) writeProperty(pp, p);
pp.endElement("schema");
String dbclass = config.getDatabase(false).getClass().getName();
AttributeListImpl atts = new AttributeListImpl();
atts.addAttribute("class", "CDATA", dbclass);
pp.startElement("database", atts);
pp.endElement("database");
if (config.isDeduplicationMode())
for (DataSource src : config.getDataSources()) writeDataSource(pp, src);
else {
pp.startElement("group", null);
for (DataSource src : config.getDataSources(1)) writeDataSource(pp, src);
pp.endElement("group");
pp.startElement("group", null);
for (DataSource src : config.getDataSources(2)) writeDataSource(pp, src);
pp.endElement("group");
}
pp.endElement("duke");
pp.endDocument();
fos.close();
}
