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17 package org.apache.logging.log4j.core.appender.db.jdbc;
18
19 import org.apache.logging.log4j.core.Filter;
20 import org.apache.logging.log4j.core.appender.db.AbstractDatabaseAppender;
21 import org.apache.logging.log4j.core.config.plugins.Plugin;
22 import org.apache.logging.log4j.core.config.plugins.PluginAttr;
23 import org.apache.logging.log4j.core.config.plugins.PluginElement;
24 import org.apache.logging.log4j.core.config.plugins.PluginFactory;
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35 @Plugin(name = "Jdbc", category = "Core", elementType = "appender", printObject = true)
36 public final class JDBCAppender extends AbstractDatabaseAppender<JDBCDatabaseManager> {
37 private final String description;
38
39 private JDBCAppender(final String name, final Filter filter, final boolean handleException,
40 final JDBCDatabaseManager manager) {
41 super(name, filter, handleException, manager);
42 this.description = this.getName() + "{ manager=" + this.getManager() + " }";
43 }
44
45 @Override
46 public String toString() {
47 return this.description;
48 }
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65 @PluginFactory
66 public static JDBCAppender createAppender(@PluginAttr("name") final String name,
67 @PluginAttr("suppressExceptions") final String suppressExceptions,
68 @PluginElement("filter") final Filter filter,
69 @PluginElement("connectionSource") final ConnectionSource
70 connectionSource,
71 @PluginAttr("bufferSize") final String bufferSize,
72 @PluginAttr("tableName") final String tableName,
73 @PluginElement("columnConfigs") final ColumnConfig[] columnConfigs) {
74 int bufferSizeInt;
75 try {
76 bufferSizeInt = bufferSize == null || bufferSize.length() == 0 ? 0 : Integer.parseInt(bufferSize);
77 } catch (final NumberFormatException e) {
78 LOGGER.warn("Buffer size [" + bufferSize + "] not an integer, using no buffer.");
79 bufferSizeInt = 0;
80 }
81
82 final boolean handleExceptions = suppressExceptions == null || !Boolean.parseBoolean(suppressExceptions);
83
84 final StringBuilder managerName = new StringBuilder("jdbcManager{ description=").append(name)
85 .append(", bufferSize=").append(bufferSizeInt).append(", connectionSource=")
86 .append(connectionSource.toString()).append(", tableName=").append(tableName).append(", columns=[ ");
87
88 int i = 0;
89 for (final ColumnConfig column : columnConfigs) {
90 if (i++ > 0) {
91 managerName.append(", ");
92 }
93 managerName.append(column.toString());
94 }
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96 managerName.append(" ] }");
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98 final JDBCDatabaseManager manager = JDBCDatabaseManager.getJDBCDatabaseManager(
99 managerName.toString(), bufferSizeInt, connectionSource, tableName, columnConfigs
100 );
101 if (manager == null) {
102 return null;
103 }
104
105 return new JDBCAppender(name, filter, handleExceptions, manager);
106 }
107 }