001/*
002 * (C) Copyright 2017 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bdelbosc
018 */
019package org.nuxeo.lib.stream.tools.renderer;
020
021import java.nio.file.Paths;
022
023import org.apache.commons.logging.Log;
024import org.apache.commons.logging.LogFactory;
025import org.nuxeo.lib.stream.codec.FileAvroSchemaStore;
026import org.nuxeo.lib.stream.computation.Record;
027import org.nuxeo.lib.stream.log.LogRecord;
028
029/**
030 * @since 9.3
031 */
032public class MarkdownRenderer extends Renderer {
033    private static final Log log = LogFactory.getLog(Renderer.class);
034
035    protected static final String MD_DATA = "```";
036
037    protected final FileAvroSchemaStore schemaStore;
038
039    public MarkdownRenderer(String avroSchemaStorePath, int dataSize) {
040        if (avroSchemaStorePath != null) {
041            schemaStore = new FileAvroSchemaStore(Paths.get(avroSchemaStorePath));
042        } else {
043            schemaStore = null;
044        }
045        this.dataSize = dataSize;
046    }
047
048    @Override
049    public void accept(LogRecord<Record> record) {
050        Record rec = record.message();
051        log.info(String.format("### %s: key: %s, wm: %s, len: %d, flag: %s", record.offset(), rec.getKey(),
052                watermarkString(rec.getWatermark()), rec.getData().length, rec.getFlags()));
053        log.info(MD_DATA + tryToRenderAvroData(schemaStore, rec) + MD_DATA);
054    }
055
056    @Override
057    public void header() {
058        log.info("## Records");
059    }
060
061    @Override
062    public void footer() {
063        log.info("");
064    }
065}