kafka TransformationDoc 源码

kafka TransformationDoc 代码

文件路径：/connect/runtime/src/main/java/org/apache/kafka/connect/tools/TransformationDoc.java

/*
 * 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.kafka.connect.tools;

import org.apache.kafka.common.config.ConfigDef;
import org.apache.kafka.connect.transforms.Cast;
import org.apache.kafka.connect.transforms.DropHeaders;
import org.apache.kafka.connect.transforms.ExtractField;
import org.apache.kafka.connect.transforms.Filter;
import org.apache.kafka.connect.transforms.Flatten;
import org.apache.kafka.connect.transforms.HeaderFrom;
import org.apache.kafka.connect.transforms.HoistField;
import org.apache.kafka.connect.transforms.InsertField;
import org.apache.kafka.connect.transforms.InsertHeader;
import org.apache.kafka.connect.transforms.MaskField;
import org.apache.kafka.connect.transforms.RegexRouter;
import org.apache.kafka.connect.transforms.ReplaceField;
import org.apache.kafka.connect.transforms.SetSchemaMetadata;
import org.apache.kafka.connect.transforms.TimestampConverter;
import org.apache.kafka.connect.transforms.TimestampRouter;
import org.apache.kafka.connect.transforms.ValueToKey;

import java.io.PrintStream;
import java.util.Arrays;
import java.util.List;

public class TransformationDoc {

    private static final class DocInfo {
        final String transformationName;
        final String overview;
        final ConfigDef configDef;

        private DocInfo(String transformationName, String overview, ConfigDef configDef) {
            this.transformationName = transformationName;
            this.overview = overview;
            this.configDef = configDef;
        }
    }

    private static final List<DocInfo> TRANSFORMATIONS = Arrays.asList(
            new DocInfo(InsertField.class.getName(), InsertField.OVERVIEW_DOC, InsertField.CONFIG_DEF),
            new DocInfo(ReplaceField.class.getName(), ReplaceField.OVERVIEW_DOC, ReplaceField.CONFIG_DEF),
            new DocInfo(MaskField.class.getName(), MaskField.OVERVIEW_DOC, MaskField.CONFIG_DEF),
            new DocInfo(ValueToKey.class.getName(), ValueToKey.OVERVIEW_DOC, ValueToKey.CONFIG_DEF),
            new DocInfo(HoistField.class.getName(), HoistField.OVERVIEW_DOC, HoistField.CONFIG_DEF),
            new DocInfo(ExtractField.class.getName(), ExtractField.OVERVIEW_DOC, ExtractField.CONFIG_DEF),
            new DocInfo(SetSchemaMetadata.class.getName(), SetSchemaMetadata.OVERVIEW_DOC, SetSchemaMetadata.CONFIG_DEF),
            new DocInfo(TimestampRouter.class.getName(), TimestampRouter.OVERVIEW_DOC, TimestampRouter.CONFIG_DEF),
            new DocInfo(RegexRouter.class.getName(), RegexRouter.OVERVIEW_DOC, RegexRouter.CONFIG_DEF),
            new DocInfo(Flatten.class.getName(), Flatten.OVERVIEW_DOC, Flatten.CONFIG_DEF),
            new DocInfo(Cast.class.getName(), Cast.OVERVIEW_DOC, Cast.CONFIG_DEF),
            new DocInfo(TimestampConverter.class.getName(), TimestampConverter.OVERVIEW_DOC, TimestampConverter.CONFIG_DEF),
            new DocInfo(Filter.class.getName(), Filter.OVERVIEW_DOC, Filter.CONFIG_DEF),
            new DocInfo(InsertHeader.class.getName(), InsertHeader.OVERVIEW_DOC, InsertHeader.CONFIG_DEF),
            new DocInfo(DropHeaders.class.getName(), DropHeaders.OVERVIEW_DOC, DropHeaders.CONFIG_DEF),
            new DocInfo(HeaderFrom.class.getName(), HeaderFrom.OVERVIEW_DOC, HeaderFrom.CONFIG_DEF)
    );

    private static void printTransformationHtml(PrintStream out, DocInfo docInfo) {
        out.println("<div id=\"" + docInfo.transformationName + "\">");

        out.print("<h5>");
        out.print("<a href=\"#" + docInfo.transformationName + "\">" + docInfo.transformationName + "</a>");
        out.println("</h5>");

        out.println(docInfo.overview);

        out.println("<p/>");

        out.println(docInfo.configDef.toHtml(6, key -> docInfo.transformationName + "_"  + key));

        out.println("</div>");
    }

    private static void printHtml(PrintStream out) {
        for (final DocInfo docInfo : TRANSFORMATIONS) {
            printTransformationHtml(out, docInfo);
        }
    }

    public static void main(String... args) {
        printHtml(System.out);
    }

}

相关信息

kafka 源码目录

相关文章

kafka MockConnector 源码

kafka MockSinkConnector 源码

kafka MockSinkTask 源码

kafka MockSourceConnector 源码

kafka MockSourceTask 源码

kafka PredicateDoc 源码

kafka SchemaSourceConnector 源码

kafka SchemaSourceTask 源码

kafka VerifiableSinkConnector 源码

kafka VerifiableSinkTask 源码