View Javadoc

    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements. See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache license, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License. You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the license for the specific language governing permissions and
    15   * limitations under the license.
    16   */
    17  package org.apache.logging.log4j.nosql.appender;
    18
    19  import java.util.ArrayList;
    20  import java.util.Arrays;
    21  import java.util.HashMap;
    22  import java.util.List;
    23  import java.util.Map;
    24
    25  /**
    26   * Default implementation of {@link org.apache.logging.log4j.nosql.appender.NoSqlObject}. Most NoSQL Java APIs tend
    27   * to re-use the Map interface for storage and retrieval of the underlying JSON documents. Therefore, this
    28   * implementation is provided for convenience.
    29   */
    30  public class DefaultNoSqlObject implements NoSqlObject<Map<String, Object>> {
    31
    32      private final Map<String, Object> map;
    33
    34      public DefaultNoSqlObject() {
    35          this.map = new HashMap<String, Object>();
    36      }
    37
    38      @Override
    39      public void set(final String field, final Object value) {
    40          this.map.put(field, value);
    41      }
    42
    43      @Override
    44      public void set(final String field, final NoSqlObject<Map<String, Object>> value) {
    45          this.map.put(field, value.unwrap());
    46      }
    47
    48      @Override
    49      public void set(final String field, final Object[] values) {
    50          this.map.put(field, Arrays.asList(values));
    51      }
    52
    53      @Override
    54      public void set(final String field, final NoSqlObject<Map<String, Object>>[] values) {
    55          final List<Map<String, Object>> list = new ArrayList<Map<String, Object>>(values.length);
    56          for (final NoSqlObject<Map<String, Object>> value : values) {
    57              list.add(value.unwrap());
    58          }
    59          this.map.put(field, list);
    60      }
    61
    62      @Override
    63      public Map<String, Object> unwrap() {
    64          return this.map;
    65      }
    66  }