pulsar-log4j2-appender/src/test/java/org/apache/pulsar/log4j2/appender/builder/CustomConfigurationFactory.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.pulsar.log4j2.appender.builder;

import java.net.URI;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.core.Filter;
import org.apache.logging.log4j.core.LoggerContext;
import org.apache.logging.log4j.core.appender.ConsoleAppender;
import org.apache.logging.log4j.core.config.Configuration;
import org.apache.logging.log4j.core.config.ConfigurationFactory;
import org.apache.logging.log4j.core.config.ConfigurationSource;
import org.apache.logging.log4j.core.config.builder.api.AppenderComponentBuilder;
import org.apache.logging.log4j.core.config.builder.api.ConfigurationBuilder;
import org.apache.logging.log4j.core.config.builder.impl.BuiltConfiguration;

/**
 * Normally this would be a plugin. However, we don't want it used for everything so it will be defined
 * via a system property.
 */
public class CustomConfigurationFactory extends ConfigurationFactory {

    static Configuration addTestFixtures(final String name, final ConfigurationBuilder<BuiltConfiguration> builder) {
        builder.setConfigurationName(name);
        builder.setStatusLevel(Level.ERROR);
        builder.add(builder.newScriptFile("target/test-classes/scripts/filter.groovy").addIsWatched(true));
        builder.add(builder.newFilter("ThresholdFilter", Filter.Result.ACCEPT, Filter.Result.NEUTRAL)
                .addAttribute("level", Level.DEBUG));

        final AppenderComponentBuilder appenderBuilder = builder.newAppender("Stdout", "CONSOLE").addAttribute("target", ConsoleAppender.Target.SYSTEM_OUT);
        appenderBuilder.add(builder.newLayout("PatternLayout").
                addAttribute("pattern", "%d [%t] %-5level: %msg%n%throwable"));
        appenderBuilder.add(builder.newFilter("MarkerFilter", Filter.Result.DENY,
                Filter.Result.NEUTRAL).addAttribute("marker", "FLOW"));
        builder.add(appenderBuilder);

        final AppenderComponentBuilder appenderBuilder2 = builder.newAppender("Pulsar", "Pulsar")
            .addAttribute("serviceUrl", "pulsar://localhost:6650")
            .addAttribute("topic", "my-topic");
        appenderBuilder2.add(builder.newLayout("GelfLayout").
            addAttribute("host", "my-host").
            addComponent(builder.newKeyValuePair("extraField", "extraValue")));
        builder.add(appenderBuilder2);

        builder.add(builder.newLogger("org.apache.logging.log4j", Level.DEBUG, true).
                    add(builder.newAppenderRef("Stdout")).
                    addAttribute("additivity", false));
        builder.add(builder.newRootLogger(Level.ERROR).add(builder.newAppenderRef("Stdout")));

        builder.add(builder.newCustomLevel("Panic", 17));

        return builder.build();
    }

    @Override
    public Configuration getConfiguration(final LoggerContext loggerContext, final ConfigurationSource source) {
        return getConfiguration(loggerContext, source.toString(), null);
    }

    @Override
    public Configuration getConfiguration(final LoggerContext loggerContext, final String name, final URI configLocation) {
        final ConfigurationBuilder<BuiltConfiguration> builder = newConfigurationBuilder();
        return addTestFixtures(name, builder);
    }

    @Override
    protected String[] getSupportedTypes() {
        return new String[] {"*"};
    }
}