SML0127 commented on code in PR #3658: URL: https://github.com/apache/flink-cdc/pull/3658#discussion_r1845347058
########## flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/main/java/com/github/shyiko/mysql/binlog/event/deserialization/json/JsonStringFormatter.java: ########## @@ -0,0 +1,337 @@ +/* + * 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 com.github.shyiko.mysql.binlog.event.deserialization.json; + +import com.github.shyiko.mysql.binlog.event.deserialization.ColumnType; + +import java.math.BigDecimal; +import java.math.BigInteger; +import java.util.Base64; + +import static org.apache.flink.cdc.connectors.mysql.source.config.MySqlSourceConfig.useLegacyJsonFormat; + +/** + * Copied from mysql-binlog-connector-java 0.27.2 to add whitespace before value and after comma. + * + * <p>Line 105: Added whitespace before value, Line 207: Added whitespace after comma + */ +public class JsonStringFormatter implements JsonFormatter { + + /** + * Value used for lookup tables to indicate that matching characters do not need to be escaped. + */ + private static final int ESCAPE_NONE = 0; + + /** + * Value used for lookup tables to indicate that matching characters are to be escaped using + * standard escaping; for JSON this means (for example) using "backslash - u" escape method. + */ + private static final int ESCAPE_GENERIC = -1; + + /** + * A lookup table that determines which of the first 128 Unicode code points (single-byte UTF-8 + * characters) must be escaped. A value of '0' means no escaping is required; positive values + * must be escaped with a preceding backslash; and negative values that generic escaping (e.g., + */ + private static final int[] ESCAPES; + + static { + int[] escape = new int[128]; + // Generic escape for control characters ... + for (int i = 0; i < 32; ++i) { + escape[i] = ESCAPE_GENERIC; + } + // Backslash escape for other specific characters ... + escape['"'] = '"'; + escape['\\'] = '\\'; + // Escaping of slash is optional, so let's not add it + escape[0x08] = 'b'; + escape[0x09] = 't'; + escape[0x0C] = 'f'; + escape[0x0A] = 'n'; + escape[0x0D] = 'r'; + ESCAPES = escape; + } + + private static final char[] HEX_CODES = "0123456789ABCDEF".toCharArray(); + + private final StringBuilder sb = new StringBuilder(); + + @Override + public String toString() { + return getString(); + } + + public String getString() { + return sb.toString(); + } + + @Override + public void beginObject(int numElements) { + sb.append('{'); + } + + @Override + public void beginArray(int numElements) { + sb.append('['); + } + + @Override + public void endObject() { + sb.append('}'); + } + + @Override + public void endArray() { + sb.append(']'); + } + + @Override + public void name(String name) { + sb.append('"'); + appendString(name); + if (useLegacyJsonFormat) { + sb.append("\":"); + } else { + sb.append("\": "); + } Review Comment: Now we can choose JSON type data format -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
