[Feature][Connector-V2] Support use EasyExcel as read excel engine (#8064)

Author: dwave

docs/en/connector-v2/sink/LocalFile.md

@@ -33,7 +33,7 @@ By default, we use 2PC commit to ensure `exactly-once`
 
 ## Options
 
-|                 Name                  |  Type   | Required |                  Default                   |                                            Description                                            |
+| Name                                  |  Type   | Required | Default                                    |                                            Description                                            |
 |---------------------------------------|---------|----------|--------------------------------------------|---------------------------------------------------------------------------------------------------|
 | path                                  | string  | yes      | -                                          |                                                                                                   |
 | tmp_path                              | string  | no       | /tmp/seatunnel                             | The result file will write to a tmp path first and then use `mv` to submit tmp dir to target dir. |

docs/en/connector-v2/source/LocalFile.md

@@ -56,6 +56,7 @@ If you use SeaTunnel Engine, It automatically integrated the hadoop jar when you
 | skip_header_row_number    | long    | no       | 0                                    |
 | schema                    | config  | no       | -                                    |
 | sheet_name                | string  | no       | -                                    |
+| excel_engine              | string  | no       | POI                                  |                                             |
 | xml_row_tag               | string  | no       | -                                    |
 | xml_use_attr_format       | boolean | no       | -                                    |
 | file_filter_pattern       | string  | no       |                                      |
@@ -239,6 +240,16 @@ Only need to be configured when file_format is excel.
 
 Reader the sheet of the workbook.
 
+### excel_engine [string]
+
+Only need to be configured when file_format is excel.
+
+supported as the following file types:
+`POI` `EasyExcel`
+
+The default excel reading engine is POI, but POI can easily cause memory overflow when reading Excel with more than 65,000 rows, so you can switch to EasyExcel as the reading engine.
+
+
 ### xml_row_tag [string]
 
 Only need to be configured when file_format is xml.

seatunnel-common/src/main/java/org/apache/seatunnel/common/utils/DateTimeUtils.java

@@ -56,6 +56,18 @@ public class DateTimeUtils {
         FORMATTER_MAP.put(
                 Formatter.YYYY_MM_DD_HH_MM_SS_SLASH,
                 DateTimeFormatter.ofPattern(Formatter.YYYY_MM_DD_HH_MM_SS_SLASH.value));
+        FORMATTER_MAP.put(
+                Formatter.YYYY_M_D_HH_MM_SS_SLASH,
+                DateTimeFormatter.ofPattern(Formatter.YYYY_M_D_HH_MM_SS_SLASH.value));
+        FORMATTER_MAP.put(
+                Formatter.YYYY_M_D_HH_MM_SS_ISO8601,
+                DateTimeFormatter.ofPattern(Formatter.YYYY_M_D_HH_MM_SS_ISO8601.value));
+        FORMATTER_MAP.put(
+                Formatter.YYYY_M_D_HH_MM_SLASH,
+                DateTimeFormatter.ofPattern(Formatter.YYYY_M_D_HH_MM_SLASH.value));
+        FORMATTER_MAP.put(
+                Formatter.YYYY_M_D_HH_MM_ISO8601,
+                DateTimeFormatter.ofPattern(Formatter.YYYY_M_D_HH_MM_ISO8601.value));
         FORMATTER_MAP.put(
                 Formatter.YYYY_MM_DD_HH_MM_SS_NO_SPLIT,
                 DateTimeFormatter.ofPattern(Formatter.YYYY_MM_DD_HH_MM_SS_NO_SPLIT.value));
@@ -73,9 +85,26 @@ public class DateTimeUtils {
                 DateTimeFormatter.ofPattern(Formatter.YYYY_MM_DD_HH_MM_SS_SSSSSSSSS_ISO8601.value));
     }
 
+    // if the datatime string length is 17, find the DateTimeFormatter from this map
+    public static final Map<Pattern, DateTimeFormatter> YYYY_M_D_HH_MM_SS_17_FORMATTER_MAP =
+            new LinkedHashMap<>();
+
+    // if the datatime string length is 15, find the DateTimeFormatter from this map
+    public static final Map<Pattern, DateTimeFormatter> YYYY_M_D_HH_MM_15_FORMATTER_MAP =
+            new LinkedHashMap<>();
+
+    // all Pattern in this set
+    public static Set<Map.Entry<Pattern, DateTimeFormatter>>
+            YYYY_M_D_HH_MM_SS_17_FORMATTER_MAP_ENTRY_SET = new LinkedHashSet<>();
+
+    // all Pattern in this set
+    public static Set<Map.Entry<Pattern, DateTimeFormatter>>
+            YYYY_M_D_HH_MM_15_FORMATTER_MAP_ENTRY_SET = new LinkedHashSet<>();
+
     // if the datatime string length is 19, find the DateTimeFormatter from this map
     public static final Map<Pattern, DateTimeFormatter> YYYY_MM_DD_HH_MM_SS_19_FORMATTER_MAP =
             new LinkedHashMap<>();
+
     public static Set<Map.Entry<Pattern, DateTimeFormatter>>
             YYYY_MM_DD_HH_MM_SS_19_FORMATTER_MAP_ENTRY_SET = new LinkedHashSet<>();
 
@@ -115,6 +144,22 @@ public class DateTimeUtils {
                 Pattern.compile("\\d{4}/\\d{2}/\\d{2}\\s\\d{2}:\\d{2}:\\d{2}"),
                 DateTimeFormatter.ofPattern(Formatter.YYYY_MM_DD_HH_MM_SS_SLASH.value));
 
+        YYYY_M_D_HH_MM_15_FORMATTER_MAP.put(
+                Pattern.compile("\\d{4}/\\d{1,2}/\\d{1,2}\\s\\d{2}:\\d{2}"),
+                DateTimeFormatter.ofPattern(Formatter.YYYY_M_D_HH_MM_SLASH.value));
+
+        YYYY_M_D_HH_MM_15_FORMATTER_MAP.put(
+                Pattern.compile("\\d{4}-\\d{1,2}-\\d{1,2}\\s\\d{2}:\\d{2}"),
+                DateTimeFormatter.ofPattern(Formatter.YYYY_M_D_HH_MM_ISO8601.value));
+
+        YYYY_M_D_HH_MM_SS_17_FORMATTER_MAP.put(
+                Pattern.compile("\\d{4}/\\d{1,2}/\\d{1,2}\\s\\d{2}:\\d{2}:\\d{2}"),
+                DateTimeFormatter.ofPattern(Formatter.YYYY_M_D_HH_MM_SS_SLASH.value));
+
+        YYYY_M_D_HH_MM_SS_17_FORMATTER_MAP.put(
+                Pattern.compile("\\d{4}-\\d{1,2}-\\d{1,2}\\s\\d{2}:\\d{2}:\\d{2}"),
+                DateTimeFormatter.ofPattern(Formatter.YYYY_M_D_HH_MM_SS_ISO8601.value));
+
         YYYY_MM_DD_HH_MM_SS_M19_FORMATTER_MAP.put(
                 Pattern.compile("\\d{4}/\\d{2}/\\d{2}\\s\\d{2}:\\d{2}.*"),
                 new DateTimeFormatterBuilder()
@@ -159,6 +204,12 @@ public class DateTimeUtils {
                 YYYY_MM_DD_HH_MM_SS_19_FORMATTER_MAP.entrySet());
         YYYY_MM_DD_HH_MM_SS_M19_FORMATTER_MAP_ENTRY_SET.addAll(
                 YYYY_MM_DD_HH_MM_SS_M19_FORMATTER_MAP.entrySet());
+
+        YYYY_M_D_HH_MM_SS_17_FORMATTER_MAP_ENTRY_SET.addAll(
+                YYYY_M_D_HH_MM_SS_17_FORMATTER_MAP.entrySet());
+
+        YYYY_M_D_HH_MM_15_FORMATTER_MAP_ENTRY_SET.addAll(
+                YYYY_M_D_HH_MM_15_FORMATTER_MAP.entrySet());
     }
 
     /**
@@ -176,14 +227,40 @@ public static DateTimeFormatter matchDateTimeFormatter(String dateTime) {
                     return entry.getValue();
                 }
             }
+            for (Map.Entry<Pattern, DateTimeFormatter> entry :
+                    YYYY_M_D_HH_MM_SS_17_FORMATTER_MAP_ENTRY_SET) {
+                if (entry.getKey().matcher(dateTime).matches()) {
+                    return entry.getValue();
+                }
+            }
         } else if (dateTime.length() > 19) {
             for (Map.Entry<Pattern, DateTimeFormatter> entry :
                     YYYY_MM_DD_HH_MM_SS_M19_FORMATTER_MAP_ENTRY_SET) {
                 if (entry.getKey().matcher(dateTime).matches()) {
                     return entry.getValue();
                 }
             }
+        } else if (dateTime.length() == 17 || dateTime.length() == 18) {
+            for (Map.Entry<Pattern, DateTimeFormatter> entry :
+                    YYYY_M_D_HH_MM_SS_17_FORMATTER_MAP_ENTRY_SET) {
+                if (entry.getKey().matcher(dateTime).matches()) {
+                    return entry.getValue();
+                }
+            }
+        } else if (dateTime.length() == 15 || dateTime.length() == 16) {
+            for (Map.Entry<Pattern, DateTimeFormatter> entry :
+                    YYYY_M_D_HH_MM_15_FORMATTER_MAP_ENTRY_SET) {
+                if (entry.getKey().matcher(dateTime).matches()) {
+                    return entry.getValue();
+                }
+            }
         } else if (dateTime.length() == 14) {
+            for (Map.Entry<Pattern, DateTimeFormatter> entry :
+                    YYYY_M_D_HH_MM_15_FORMATTER_MAP_ENTRY_SET) {
+                if (entry.getKey().matcher(dateTime).matches()) {
+                    return entry.getValue();
+                }
+            }
             return YYYY_MM_DD_HH_MM_SS_14_FORMATTER;
         }
         return null;
@@ -247,6 +324,10 @@ public enum Formatter {
         YYYY_MM_DD_HH_MM_SS_SSSSSS("yyyy-MM-dd HH:mm:ss.SSSSSS"),
         YYYY_MM_DD_HH_MM_SS_SPOT("yyyy.MM.dd HH:mm:ss"),
         YYYY_MM_DD_HH_MM_SS_SLASH("yyyy/MM/dd HH:mm:ss"),
+        YYYY_M_D_HH_MM_SLASH("yyyy/M/d HH:mm"),
+        YYYY_M_D_HH_MM_ISO8601("yyyy-M-d HH:mm"),
+        YYYY_M_D_HH_MM_SS_SLASH("yyyy/M/d HH:mm:ss"),
+        YYYY_M_D_HH_MM_SS_ISO8601("yyyy-M-d HH:mm:ss"),
         YYYY_MM_DD_HH_MM_SS_NO_SPLIT("yyyyMMddHHmmss"),
         YYYY_MM_DD_HH_MM_SS_ISO8601("yyyy-MM-dd'T'HH:mm:ss"),
         YYYY_MM_DD_HH_MM_SS_SSS_ISO8601("yyyy-MM-dd'T'HH:mm:ss.SSS"),

seatunnel-common/src/main/java/org/apache/seatunnel/common/utils/DateUtils.java

@@ -60,6 +60,7 @@ public class DateUtils {
                 Pattern.compile("\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}(\\.\\d{1,9})?Z"),
                 Pattern.compile("\\d{2}:\\d{2}:\\d{2}\\+\\d{2}:\\d{2}"),
                 Pattern.compile("\\d{2}:\\d{2}:\\d{2}(\\.\\d{1,9})?"),
+                Pattern.compile("\\d{4}/\\d{1,2}/\\d{1,2}")
             };
 
     public static final Map<Pattern, DateTimeFormatter> DATE_FORMATTER_MAP = new HashMap();
@@ -147,6 +148,12 @@ public class DateUtils {
                         .toFormatter());
         DATE_FORMATTER_MAP.put(PATTERN_ARRAY[6], ISO_OFFSET_TIME);
         DATE_FORMATTER_MAP.put(PATTERN_ARRAY[7], ISO_LOCAL_TIME);
+        DATE_FORMATTER_MAP.put(
+                PATTERN_ARRAY[8],
+                new DateTimeFormatterBuilder()
+                        .parseCaseInsensitive()
+                        .append(DateTimeFormatter.ofPattern("yyyy/M/d"))
+                        .toFormatter());
     }
 
     /**
@@ -184,6 +191,7 @@ public static String toString(LocalDate date, Formatter formatter) {
 
     public enum Formatter {
         YYYY_MM_DD("yyyy-MM-dd"),
+        YYYY_M_D("yyyy/M/d"),
         YYYY_MM_DD_SPOT("yyyy.MM.dd"),
         YYYY_MM_DD_SLASH("yyyy/MM/dd");
         private final String value;

seatunnel-common/src/main/java/org/apache/seatunnel/common/utils/TimeUtils.java

@@ -21,6 +21,7 @@
 import java.time.format.DateTimeFormatter;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.regex.Pattern;
 
 public class TimeUtils {
     private static final Map<Formatter, DateTimeFormatter> FORMATTER_MAP =
@@ -37,6 +38,29 @@ public static LocalTime parse(String time, Formatter formatter) {
         return LocalTime.parse(time, FORMATTER_MAP.get(formatter));
     }
 
+    public static final Pattern[] PATTERN_ARRAY =
+            new Pattern[] {
+                Pattern.compile("\\d{2}:\\d{2}:\\d{2}"),
+                Pattern.compile("\\d{2}:\\d{2}:\\d{2}.\\d{3}"),
+            };
+
+    public static Formatter matchTimeFormatter(String dateTime) {
+        for (int j = 0; j < PATTERN_ARRAY.length; j++) {
+            if (PATTERN_ARRAY[j].matcher(dateTime).matches()) {
+                Formatter dateTimeFormatter = Time_FORMATTER_MAP.get(PATTERN_ARRAY[j]);
+                return dateTimeFormatter;
+            }
+        }
+        return null;
+    }
+
+    public static final Map<Pattern, Formatter> Time_FORMATTER_MAP = new HashMap();
+
+    static {
+        Time_FORMATTER_MAP.put(PATTERN_ARRAY[0], Formatter.parse(Formatter.HH_MM_SS.value));
+        Time_FORMATTER_MAP.put(PATTERN_ARRAY[1], Formatter.parse(Formatter.HH_MM_SS_SSS.value));
+    }
+
     public static String toString(LocalTime time, Formatter formatter) {
         return time.format(FORMATTER_MAP.get(formatter));
     }

seatunnel-common/src/test/java/org/apache/seatunnel/common/utils/DateTimeUtilsTest.java

@@ -67,6 +67,15 @@ public void testAutoDateTimeFormatter() {
         datetimeStr = "2020/10/10 10:10:10";
         Assertions.assertEquals("2020-10-10T10:10:10", DateTimeUtils.parse(datetimeStr).toString());
 
+        datetimeStr = "2020/1/1 10:10";
+        Assertions.assertEquals("2020-01-01T10:10", DateTimeUtils.parse(datetimeStr).toString());
+
+        datetimeStr = "2024/12/2 10:10";
+        Assertions.assertEquals("2024-12-02T10:10", DateTimeUtils.parse(datetimeStr).toString());
+
+        datetimeStr = "2024/12/1 10:10";
+        Assertions.assertEquals("2024-12-01T10:10", DateTimeUtils.parse(datetimeStr).toString());
+
         datetimeStr = "2020年10月10日 10时10分10秒";
         Assertions.assertEquals("2020-10-10T10:10:10", DateTimeUtils.parse(datetimeStr).toString());
 

seatunnel-common/src/test/java/org/apache/seatunnel/common/utils/DateUtilsTest.java

@@ -66,5 +66,17 @@ public void testMatchDateTimeFormatter() {
         Assertions.assertEquals(
                 "2020-10-10",
                 DateUtils.parse(datetimeStr, DateUtils.matchDateFormatter(datetimeStr)).toString());
+        datetimeStr = "2024/1/1";
+        Assertions.assertEquals(
+                "2024-01-01",
+                DateUtils.parse(datetimeStr, DateUtils.matchDateFormatter(datetimeStr)).toString());
+        datetimeStr = "2024/10/1";
+        Assertions.assertEquals(
+                "2024-10-01",
+                DateUtils.parse(datetimeStr, DateUtils.matchDateFormatter(datetimeStr)).toString());
+        datetimeStr = "2024/1/10";
+        Assertions.assertEquals(
+                "2024-01-10",
+                DateUtils.parse(datetimeStr, DateUtils.matchDateFormatter(datetimeStr)).toString());
     }
 }

seatunnel-common/src/test/java/org/apache/seatunnel/common/utils/TimeUtilsTest.java

@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.seatunnel.common.utils;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class TimeUtilsTest {
+    @Test
+    public void testMatchTimeFormatter() {
+        String timeStr = "12:12:12";
+        Assertions.assertEquals(
+                "12:12:12",
+                TimeUtils.parse(timeStr, TimeUtils.matchTimeFormatter(timeStr)).toString());
+
+        timeStr = "12:12:12.123";
+        Assertions.assertEquals(
+                "12:12:12.123",
+                TimeUtils.parse(timeStr, TimeUtils.matchTimeFormatter(timeStr)).toString());
+    }
+}

seatunnel-connectors-v2/connector-file/connector-file-base/pom.xml

@@ -39,6 +39,8 @@
         <hadoop-minikdc.version>3.1.4</hadoop-minikdc.version>
         <dom4j.version>2.1.4</dom4j.version>
         <jaxen.version>2.0.0</jaxen.version>
+        <easyexcel.version>4.0.3</easyexcel.version>
+        <fastexcel-reader.version>0.18.4</fastexcel-reader.version>
     </properties>
 
     <dependencyManagement>
@@ -158,6 +160,13 @@
             <artifactId>jaxen</artifactId>
             <version>${jaxen.version}</version>
         </dependency>
+
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>easyexcel</artifactId>
+            <version>${easyexcel.version}</version>
+        </dependency>
+
     </dependencies>
 
     <build>

seatunnel-connectors-v2/connector-file/connector-file-base/src/main/java/org/apache/seatunnel/connectors/seatunnel/file/config/BaseSourceConfigOptions.java

@@ -140,6 +140,12 @@ public class BaseSourceConfigOptions {
                     .noDefaultValue()
                     .withDescription("To be read sheet name,only valid for excel files");
 
+    public static final Option<ExcelEngine> EXCEL_ENGINE =
+            Options.key("excel_engine")
+                    .enumType(ExcelEngine.class)
+                    .defaultValue(ExcelEngine.POI)
+                    .withDescription("To switch excel read engine,  e.g. POI , EasyExcel");
+
     public static final Option<String> XML_ROW_TAG =
             Options.key("xml_row_tag")
                     .stringType()