baomingyu commented on code in PR #9536: URL: https://github.com/apache/inlong/pull/9536#discussion_r1437411344
########## inlong-sort/sort-formats/format-inlongmsg-kv/src/main/java/org/apache/inlong/sort/formats/inlongmsgkv/InLongMsgKvUtils.java: ########## @@ -0,0 +1,169 @@ +/* + * 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.inlong.sort.formats.inlongmsgkv; + +import org.apache.inlong.sort.formats.common.FormatInfo; +import org.apache.inlong.sort.formats.common.RowFormatInfo; +import org.apache.inlong.sort.formats.inlongmsg.InLongMsgBody; +import org.apache.inlong.sort.formats.inlongmsg.InLongMsgHead; + +import org.apache.flink.types.Row; + +import java.nio.charset.Charset; +import java.sql.Timestamp; +import java.util.Collections; +import java.util.List; +import java.util.Map; +import java.util.stream.Collectors; + +import static org.apache.inlong.sort.formats.base.TableFormatUtils.deserializeBasicField; +import static org.apache.inlong.sort.formats.inlongmsg.InLongMsgUtils.INLONGMSG_ATTR_STREAM_ID; +import static org.apache.inlong.sort.formats.inlongmsg.InLongMsgUtils.INLONGMSG_ATTR_TID; +import static org.apache.inlong.sort.formats.inlongmsg.InLongMsgUtils.INLONGMSG_ATTR_TIME_DT; +import static org.apache.inlong.sort.formats.inlongmsg.InLongMsgUtils.INLONGMSG_ATTR_TIME_T; +import static org.apache.inlong.sort.formats.inlongmsg.InLongMsgUtils.getPredefinedFields; +import static org.apache.inlong.sort.formats.inlongmsg.InLongMsgUtils.parseAttr; +import static org.apache.inlong.sort.formats.inlongmsg.InLongMsgUtils.parseDateTime; +import static org.apache.inlong.sort.formats.inlongmsg.InLongMsgUtils.parseEpochTime; +import static org.apache.inlong.sort.formats.util.StringUtils.splitKv; + +/** + * Utilities for {@link InLongMsgKv}. + */ +public class InLongMsgKvUtils { + + public static final String DEFAULT_INLONGMSGKV_CHARSET = "ISO_8859_1"; + + public static InLongMsgHead parseHead(String attr) { + Map<String, String> attributes = parseAttr(attr); + + String tid; + if (attributes.containsKey(INLONGMSG_ATTR_STREAM_ID)) { + tid = attributes.get(INLONGMSG_ATTR_STREAM_ID); + } else if (attributes.containsKey(INLONGMSG_ATTR_TID)) { + tid = attributes.get(INLONGMSG_ATTR_TID); + } else { + throw new IllegalArgumentException( + "Could not find " + INLONGMSG_ATTR_STREAM_ID + + " or " + INLONGMSG_ATTR_TID + " in attributes!"); + } + + Timestamp time; + if (attributes.containsKey(INLONGMSG_ATTR_TIME_DT)) { + String epoch = attributes.get(INLONGMSG_ATTR_TIME_DT).trim(); + time = parseEpochTime(epoch); + } else if (attributes.containsKey(INLONGMSG_ATTR_TIME_T)) { + String date = attributes.get(INLONGMSG_ATTR_TIME_T).trim(); + time = parseDateTime(date); + } else { + throw new IllegalArgumentException( + "Could not find " + INLONGMSG_ATTR_TIME_T + + " or " + INLONGMSG_ATTR_TIME_T + " in attributes!"); + } + + List<String> predefinedFields = getPredefinedFields(attributes); + + return new InLongMsgHead(attributes, tid, time, predefinedFields); + } + + public static List<InLongMsgBody> parseBodyList( + byte[] bytes, + String charset, + char entryDelimiter, + char kvDelimiter, + Character lineDelimiter, + Character escapeChar, + Character quoteChar) { + String text = new String(bytes, Charset.forName(charset)); + + List<Map<String, String>> list = + splitKv( + text, + entryDelimiter, + kvDelimiter, + escapeChar, + quoteChar, + lineDelimiter); + + return list.stream().map((line) -> { + return new InLongMsgBody( + bytes, + null, + Collections.emptyList(), + line); + }).collect(Collectors.toList()); + } + + /** + * Deserializes the row from the given entries. + * + * @param rowFormatInfo The format of the fields. + * @param nullLiteral The literal for null values. + * @param predefinedFields The predefined fields. + * @param entries The entries. + * @return The row deserialized from the given entries. + */ + public static Row deserializeRow( + RowFormatInfo rowFormatInfo, + String nullLiteral, + List<String> predefinedFields, + Map<String, String> entries) { + String[] fieldNames = rowFormatInfo.getFieldNames(); + FormatInfo[] fieldFormatInfos = rowFormatInfo.getFieldFormatInfos(); + + Row row = new Row(fieldNames.length); + + for (int i = 0; i < predefinedFields.size(); ++i) { Review Comment: here just handle predefinedFileds -- This is an automated message from the Apache Git Service. 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