content: /*
   * 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 com.alibaba.metrics.reporter.file;
  
  import com.alibaba.metrics.common.MetricObject;
  
  import java.nio.charset.Charset;
  import java.util.Map.Entry;
  
  /**
   * <p>
   * metric timestamp value tagk=tagv tagk=tagv
   * </p>
   *
   *
   */
  public class SimpleTextMetricFormat extends MetricFormat {
      public static final Charset UTF_8 = Charset.forName("UTF-8");
  
      @Override
      public String format(MetricObject metric) {
          StringBuilder sb = new StringBuilder(1024);
          sb.append(metric.getMetric()).append(' ').append(metric.getTimestamp()).append(' ').append(metric.getValue());
  
          for (Entry<String, String> entry : metric.getTags().entrySet()) {
              sb.append(' ').append(entry.getKey()).append('=').append(entry.getValue());
          }
          return sb.toString();
      }
  
      @Override
      public byte[] formatToBytes(MetricObject metric) {
          StringBuilder sb = new StringBuilder(1024);
          sb.append(metric.getMetric()).append(' ').append(metric.getTimestamp()).append(' ').append(metric.getValue());
  
          for (Entry<String, String> entry : metric.getTags().entrySet()) {
              sb.append(' ').append(entry.getKey()).append('=').append(entry.getValue());
          }
          return sb.toString().getBytes(UTF_8);
      }
  }
  