3 files changed, 125 insertions, 0 deletions
diff --git a/src/main/java/com/keuin/kbackupfabric/util/backup/formatter/BackupFileNameFormatter.java b/src/main/java/com/keuin/kbackupfabric/util/backup/formatter/BackupFileNameFormatter.java
new file mode 100644
index 0000000..eae3639
--- /dev/null
+++ b/src/main/java/com/keuin/kbackupfabric/util/backup/formatter/BackupFileNameFormatter.java
@@ -0,0 +1,32 @@
+package com.keuin.kbackupfabric.util.backup.formatter;
+
+import com.keuin.kbackupfabric.util.backup.BackupNameTimeFormatter;
+import com.sun.istack.internal.NotNull;
+
+import java.time.LocalDateTime;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public interface BackupFileNameFormatter {
+
+    BackupFileName format(@NotNull String fileName);
+
+    class BackupFileName {
+        public final LocalDateTime time;
+        public final String name;
+
+        public BackupFileName(LocalDateTime time, String name) {
+            this.time = time;
+            this.name = name;
+        }
+    }
+
+    static BackupFileNameFormatter objectTreeBackup() {
+        return ObjectTreeBackupFileNameFormatter.getInstance();
+    }
+
+    static BackupFileNameFormatter primitiveZipBackup() {
+        return PrimitiveZipBackupFileNameFormatter.getInstance();
+    }
+
+}
diff --git a/src/main/java/com/keuin/kbackupfabric/util/backup/formatter/ObjectTreeBackupFileNameFormatter.java b/src/main/java/com/keuin/kbackupfabric/util/backup/formatter/ObjectTreeBackupFileNameFormatter.java
new file mode 100644
index 0000000..e5503a9
--- /dev/null
+++ b/src/main/java/com/keuin/kbackupfabric/util/backup/formatter/ObjectTreeBackupFileNameFormatter.java
@@ -0,0 +1,47 @@
+package com.keuin.kbackupfabric.util.backup.formatter;
+
+import com.keuin.kbackupfabric.util.backup.BackupFilesystemUtil;
+import com.keuin.kbackupfabric.util.backup.BackupNameTimeFormatter;
+import com.sun.istack.internal.NotNull;
+import com.sun.istack.internal.Nullable;
+import org.spongepowered.asm.mixin.Overwrite;
+
+import java.time.LocalDateTime;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class ObjectTreeBackupFileNameFormatter implements BackupFileNameFormatter {
+
+    private static final ObjectTreeBackupFileNameFormatter instance = new ObjectTreeBackupFileNameFormatter();
+
+    public static ObjectTreeBackupFileNameFormatter getInstance() {
+        return instance;
+    }
+
+    @Override
+    public BackupFileNameFormatter.BackupFileName format(@NotNull String fileName) {
+        LocalDateTime time = getTime(fileName);
+        String name = getBackupName(fileName);
+        return new BackupFileNameFormatter.BackupFileName(time,name);
+    }
+
+    @Nullable
+    private LocalDateTime getTime(String fileName) {
+        Matcher matcher = Pattern.compile("[0-9]{4}-[0-9]{2}-[0-9]{2}_[0-9]{2}-[0-9]{2}-[0-9]{2}").matcher(fileName);
+        if (matcher.find()) {
+            String timeString = matcher.group(0);
+            return BackupNameTimeFormatter.timeStringToLocalDateTime(timeString);
+        }
+        return null;
+    }
+
+    private String getBackupName(String backupFileName) {
+        try {
+            if (backupFileName.matches(BackupFilesystemUtil.getBackupFileNamePrefix() + ".+\\.json"))
+                return backupFileName.substring(BackupFilesystemUtil.getBackupFileNamePrefix().length(), backupFileName.length() - 4);
+        } catch (IndexOutOfBoundsException ignored) {
+        }
+        return backupFileName;
+    }
+
+}
diff --git a/src/main/java/com/keuin/kbackupfabric/util/backup/formatter/PrimitiveZipBackupFileNameFormatter.java b/src/main/java/com/keuin/kbackupfabric/util/backup/formatter/PrimitiveZipBackupFileNameFormatter.java
new file mode 100644
index 0000000..40450eb
--- /dev/null
+++ b/src/main/java/com/keuin/kbackupfabric/util/backup/formatter/PrimitiveZipBackupFileNameFormatter.java
@@ -0,0 +1,46 @@
+package com.keuin.kbackupfabric.util.backup.formatter;
+
+import com.keuin.kbackupfabric.util.backup.BackupFilesystemUtil;
+import com.keuin.kbackupfabric.util.backup.BackupNameTimeFormatter;
+import com.sun.istack.internal.NotNull;
+import com.sun.istack.internal.Nullable;
+
+import java.time.LocalDateTime;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class PrimitiveZipBackupFileNameFormatter implements BackupFileNameFormatter {
+
+    private static final PrimitiveZipBackupFileNameFormatter instance = new PrimitiveZipBackupFileNameFormatter();
+
+    public static PrimitiveZipBackupFileNameFormatter getInstance() {
+        return instance;
+    }
+
+    @Override
+    public BackupFileNameFormatter.BackupFileName format(@NotNull String fileName) {
+        LocalDateTime time = getTime(fileName);
+        String name = getBackupName(fileName);
+        return new BackupFileNameFormatter.BackupFileName(time,name);
+    }
+
+    @Nullable
+    private LocalDateTime getTime(String fileName) {
+        Matcher matcher = Pattern.compile("[0-9]{4}-[0-9]{2}-[0-9]{2}_[0-9]{2}-[0-9]{2}-[0-9]{2}").matcher(fileName);
+        if (matcher.find()) {
+            String timeString = matcher.group(0);
+            return BackupNameTimeFormatter.timeStringToLocalDateTime(timeString);
+        }
+        return null;
+    }
+
+    private String getBackupName(String backupFileName) {
+        try {
+            if (backupFileName.matches(BackupFilesystemUtil.getBackupFileNamePrefix() + ".+\\.zip"))
+                return backupFileName.substring(BackupFilesystemUtil.getBackupFileNamePrefix().length(), backupFileName.length() - 4);
+        } catch (IndexOutOfBoundsException ignored) {
+        }
+        return backupFileName;
+    }
+
+}