add ImpEx localization helper for enhanced processing of sample data

Author: bechte

core-customize/hybris/bin/custom/cxdevtools/cxdevtoolkit/src/me/cxdev/commerce/toolkit/impex/ImpexLocalizationHelper.java

@@ -0,0 +1,60 @@
+package me.cxdev.commerce.toolkit.impex;
+
+import java.util.Arrays;
+import java.util.HashMap;
+
+import de.hybris.platform.servicelayer.i18n.util.LanguageUtils;
+
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ImpexLocalizationHelper {
+	private static final Logger LOG = LoggerFactory.getLogger(ImpexLocalizationHelper.class);
+
+	public static boolean languageSupported(final String isocode) {
+		return LanguageUtils.isLanguagePresent(isocode);
+	}
+
+	public static boolean languageSupported(final String isocode, String languages) {
+		if (StringUtils.isBlank(languages)) {
+			return false;
+		}
+
+		boolean isContainedInList = Arrays.stream(StringUtils.split(languages, ","))
+				.map(StringUtils::trimToEmpty)
+				.anyMatch(isocode::equalsIgnoreCase);
+		return isContainedInList && languageSupported(isocode);
+	}
+
+	public static void filterUnlocalizedLine(HashMap<Integer, String> valueLine, Integer column) {
+		if (isLocalizedLine(valueLine, column)) {
+			valueLine.clear();
+		}
+	}
+
+	public static void filterUnlocalizedOrPrimaryLine(HashMap<Integer, String> valueLine, Integer column, String isocode) {
+		if (isLocalizedLine(valueLine, column) && !hasCorrectLocale(valueLine, column, isocode)) {
+			valueLine.clear();
+		}
+	}
+
+	public static void filterLocalizedLine(HashMap<Integer, String> valueLine, Integer column, String isocode) {
+		if (isUnlocalizedLine(valueLine, column) || !hasCorrectLocale(valueLine, column, isocode)) {
+			valueLine.clear();
+		}
+	}
+
+	public static boolean isLocalizedLine(HashMap<Integer, String> valueLine, Integer column) {
+		return StringUtils.isNotBlank(valueLine.get(column));
+	}
+
+	public static boolean isUnlocalizedLine(HashMap<Integer, String> valueLine, Integer column) {
+		return !isLocalizedLine(valueLine, column);
+	}
+
+	public static boolean hasCorrectLocale(HashMap<Integer, String> valueLine, Integer column, String isocode) {
+		return (StringUtils.isBlank(isocode) && StringUtils.isBlank(valueLine.get(column)))
+				|| StringUtils.equalsIgnoreCase(valueLine.get(column), isocode);
+	}
+}