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 TextRenderer extends Renderer {
033    private static final Log log = LogFactory.getLog(TextRenderer.class);
034
035    protected final FileAvroSchemaStore schemaStore;
036
037    public TextRenderer(String avroSchemaStorePath, int dataSize) {
038        if (avroSchemaStorePath != null) {
039            schemaStore = new FileAvroSchemaStore(Paths.get(avroSchemaStorePath));
040        } else {
041            schemaStore = null;
042        }
043        this.dataSize = dataSize;
044    }
045
046    @Override
047    public void accept(LogRecord<Record> record) {
048        try {
049            Record rec = record.message();
050            log.info(String.format("|%s|%s|%s|%s|%d|%s|", record.offset(), watermarkString(rec.getWatermark()),
051                    rec.getFlags(), rec.getKey(), rec.getData().length, tryToRenderAvroData(schemaStore, rec)));
052        } catch (ClassCastException e) {
053            // Try to render something else than a stream Record
054            log.info(String.format("%s", record.message()));
055        }
056    }
057
058    @Override
059    public void header() {
060        log.info("| offset | watermark | flag | key | length | data |\n" + "| --- | --- | --- | --- | ---: | --- |");
061    }
062
063    @Override
064    public void footer() {
065        log.info("");
066    }
067}