metron-interface/metron-rest/src/main/java/org/apache/metron/rest/config/GrokConfig.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.metron.rest.config;

import java.nio.charset.StandardCharsets;
import oi.thekraken.grok.api.Grok;
import oi.thekraken.grok.api.exception.GrokException;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.InputStreamReader;

@Configuration
public class GrokConfig {

    @Bean
    public Grok commonGrok() throws GrokException {
        Grok grok = new Grok();
        grok.addPatternFromReader(new InputStreamReader(getClass().getResourceAsStream(
            "/patterns/common"), StandardCharsets.UTF_8));
        return grok;
    }
}