feat(solrteur): introduce configuration POJO IQSS#7662

This simple class will allow to make the parser somewhat configurable,
so future changes and command line options can be integrated more
easily.

modules/solr-configset/src/main/scripts/cli/util/model/Configuration.java

@@ -0,0 +1,59 @@
+package cli.util.model;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public final class Configuration {
+
+ private final String comment;
+ private final String trigger;
+ private final String column;
+ private final Matcher rtrimMatcher;
+
+ public Configuration(
+ String comment,
+ String trigger,
+ String column
+ ) {
+ notNullNotEmpty("Comment indicator", comment);
+ this.comment = comment;
+
+ notNullNotEmpty("Triggering indicator (keyword prefix)", trigger);
+ this.trigger = trigger;
+
+ notNullNotEmpty("Column separator", column);
+ this.column = column;
+
+ this.rtrimMatcher = Pattern.compile("(" + this.column + ")+$").matcher("");
+ }
+
+ public static Configuration defaultConfig() {
+ return new Configuration("%%", "#", "\t");
+ }
+
+ private static void notNullNotEmpty(String optionName, String value) {
+ if (value == null || value.isEmpty()) {
+ throw new IllegalArgumentException(optionName + " may not be null or empty");
+ }
+ }
+
+ public String commentIndicator() {
+ return comment;
+ }
+
+ public String triggerIndicator() {
+ return trigger;
+ }
+
+ public String columnSeparator() {
+ return column;
+ }
+
+ public String rtrimColumns(String line) {
+ return line == null ? null : rtrimMatcher.reset(line).replaceAll("");
+ }
+
+ public String trigger(String keyword) {
+ return this.triggerIndicator() + keyword;
+ }
+}

modules/solr-configset/src/test/java/cli/util/model/ConfigurationTest.java

@@ -0,0 +1,27 @@
+package cli.util.model;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class ConfigurationTest {
+
+ private final Configuration testConfiguration = Configuration.defaultConfig();
+
+ @ParameterizedTest
+ @CsvSource(nullValues = "NULL",
+ value = {
+ "NULL,NULL",
+ "hello,hello",
+ "' hello',' hello'",
+ "' hello ',' hello '",
+ "' hello',' hello\t\t\t'",
+ "'\t\t\thello','\t\t\thello\t\t\t'",
+ "'\t\t\thello\ttest','\t\t\thello\ttest\t\t'",
+ "'\t\t\thello\ttest\t\t ','\t\t\thello\ttest\t\t '",
+ })
+ void trimming(String expected, String sut) {
+ assertEquals(expected, testConfiguration.rtrimColumns(sut));
+ }
+}