luchunliang commented on code in PR #11031: URL: https://github.com/apache/inlong/pull/11031#discussion_r1753179080
########## inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/UrlDecodeFunction.java: ########## @@ -0,0 +1,62 @@ +/* + * 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.sdk.transform.process.function; + +import org.apache.inlong.sdk.transform.decode.SourceData; +import org.apache.inlong.sdk.transform.process.Context; +import org.apache.inlong.sdk.transform.process.operator.OperatorTools; +import org.apache.inlong.sdk.transform.process.parser.ValueParser; + +import net.sf.jsqlparser.expression.Function; + +import java.net.URLDecoder; +import java.nio.charset.StandardCharsets; + +/** + * UrlDecodeFunction + * description: Decodes a given string in ‘application/x-www-form-urlencoded’ format using the UTF-8 encoding scheme. + * If the input is NULL, or there is an issue with the decoding process(such as encountering an illegal escape pattern), + * or the encoding scheme is not supported, the function returns NULL. + */ +@TransformFunction(names = {"url_decode"}) +public class UrlDecodeFunction implements ValueParser { + + private final ValueParser stringParser; + + public UrlDecodeFunction(Function expr) { + stringParser = OperatorTools.buildParser(expr.getParameters().getExpressions().get(0)); + } + + @Override + public Object parse(SourceData sourceData, int rowIndex, Context context) { + Object stringObj = stringParser.parse(sourceData, rowIndex, context); + if (stringObj == null) { + return null; + } + String string = OperatorTools.parseString(stringObj); + if (string == null) { + return null; + } + + try { + return URLDecoder.decode(string, StandardCharsets.UTF_8.toString()); Review Comment: Miss the parameter of charset. The default charset is UTF8. -- 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: commits-unsubscr...@inlong.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org