X-Git-Url: https://git.mdrn.pl/wl-app.git/blobdiff_plain/48b2fe9f7c2dc3d9aeaaa6dbfb27c7da4f3235ff..269195b3729c1bdc22e9053ee4ebca667ea8549d:/Android/app/src/main/java/com/moiseum/wolnelektury/storage/StringListConverter.java

diff --git a/Android/app/src/main/java/com/moiseum/wolnelektury/storage/StringListConverter.java b/Android/app/src/main/java/com/moiseum/wolnelektury/storage/StringListConverter.java
new file mode 100644
index 0000000..24b45b7
--- /dev/null
+++ b/Android/app/src/main/java/com/moiseum/wolnelektury/storage/StringListConverter.java
@@ -0,0 +1,37 @@
+package com.moiseum.wolnelektury.storage;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import io.objectbox.converter.PropertyConverter;
+
+/**
+ * Created by Piotr Ostrowski on 01.07.2018.
+ */
+public class StringListConverter implements PropertyConverter<List<String>, String> {
+
+	@Override
+	public List<String> convertToEntityProperty(String databaseValue) {
+		if (databaseValue == null) {
+			return new ArrayList<>();
+		}
+		return Arrays.asList(databaseValue.split(","));
+	}
+
+	@Override
+	public String convertToDatabaseValue(List<String> entityProperty) {
+		if (entityProperty == null) {
+			return "";
+		}
+		if (entityProperty.isEmpty()) {
+			return "";
+		}
+		StringBuilder builder = new StringBuilder();
+		for (String property : entityProperty) {
+			builder.append(property).append(",");
+		}
+		builder.deleteCharAt(builder.length() - 1);
+		return builder.toString();
+	}
+}
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