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    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
    18  package org.apache.logging.log4j.core.config.plugins.visitors;
    19
    20  import java.util.Map;
    21
    22  import org.apache.logging.log4j.core.LogEvent;
    23  import org.apache.logging.log4j.core.config.Configuration;
    24  import org.apache.logging.log4j.core.config.Node;
    25  import org.apache.logging.log4j.core.config.plugins.PluginAttribute;
    26  import org.apache.logging.log4j.core.util.NameUtil;
    27  import org.apache.logging.log4j.util.StringBuilders;
    28
    29  /**
    30   * PluginVisitor implementation for {@link PluginAttribute}.
    31   */
    32  public class PluginAttributeVisitor extends AbstractPluginVisitor<PluginAttribute> {
    33      public PluginAttributeVisitor() {
    34          super(PluginAttribute.class);
    35      }
    36
    37      @Override
    38      public Object visit(final Configuration configuration, final Node node, final LogEvent event,
    39                          final StringBuilder log) {
    40          final String name = this.annotation.value();
    41          final Map<String, String> attributes = node.getAttributes();
    42          final String rawValue = removeAttributeValue(attributes, name, this.aliases);
    43          final String replacedValue = this.substitutor.replace(event, rawValue);
    44          final Object defaultValue = findDefaultValue(event);
    45          final Object value = convert(replacedValue, defaultValue);
    46          final Object debugValue = this.annotation.sensitive() ? NameUtil.md5(value + this.getClass().getName()) : value;
    47          StringBuilders.appendKeyDqValue(log, "name", debugValue);
    48          return value;
    49      }
    50
    51      private Object findDefaultValue(final LogEvent event) {
    52          if (this.conversionType == int.class || this.conversionType == Integer.class) {
    53              return this.annotation.defaultInt();
    54          }
    55          if (this.conversionType == long.class || this.conversionType == Long.class) {
    56              return this.annotation.defaultLong();
    57          }
    58          if (this.conversionType == boolean.class || this.conversionType == Boolean.class) {
    59              return this.annotation.defaultBoolean();
    60          }
    61          if (this.conversionType == float.class || this.conversionType == Float.class) {
    62              return this.annotation.defaultFloat();
    63          }
    64          if (this.conversionType == double.class || this.conversionType == Double.class) {
    65              return this.annotation.defaultDouble();
    66          }
    67          if (this.conversionType == byte.class || this.conversionType == Byte.class) {
    68              return this.annotation.defaultByte();
    69          }
    70          if (this.conversionType == char.class || this.conversionType == Character.class) {
    71              return this.annotation.defaultChar();
    72          }
    73          if (this.conversionType == short.class || this.conversionType == Short.class) {
    74              return this.annotation.defaultShort();
    75          }
    76          if (this.conversionType == Class.class) {
    77              return this.annotation.defaultClass();
    78          }
    79          return this.substitutor.replace(event, this.annotation.defaultString());
    80      }
    81  }