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From craig...@apache.org
Subject cvs commit: jakarta-commons/logging/src/test/org/apache/commons/logging/log4j CustomConfig.properties CustomConfigTestCase.java DefaultConfigTestCase.java TestAppender.java
Date Sun, 30 Mar 2003 05:22:50 GMT
craigmcc    2003/03/29 21:22:50

  Modified:    logging  build.xml
               logging/src/test/org/apache/commons/logging/jdk14
                        CustomConfigTestCase.java
  Added:       logging/src/test/org/apache/commons/logging/log4j
                        CustomConfig.properties CustomConfigTestCase.java
                        DefaultConfigTestCase.java TestAppender.java
  Log:
  Add basic tests for Log4J.  Still need to add the multi-classloader
  scenarios.
  
  Revision  Changes    Path
  1.28      +63 -2     jakarta-commons/logging/build.xml
  
  Index: build.xml
  ===================================================================
  RCS file: /home/cvs/jakarta-commons/logging/build.xml,v
  retrieving revision 1.27
  retrieving revision 1.28
  diff -u -r1.27 -r1.28
  --- build.xml	30 Mar 2003 02:30:36 -0000	1.27
  +++ build.xml	30 Mar 2003 05:22:50 -0000	1.28
  @@ -103,6 +103,14 @@
       <pathelement location="${junit.jar}"/>
     </path>
   
  +  <!-- Construct unit test classpath (Log4J tests) -->
  +  <path id="test.classpath.log4j">
  +    <pathelement location="${build.home}/classes"/>
  +    <pathelement location="${build.home}/tests"/>
  +    <pathelement location="${junit.jar}"/>
  +    <pathelement location="${log4j.jar}"/>
  +  </path>
  +
     <!-- Construct unit test classpath (Minimal Wrapper) -->
     <path id="test.classpath.wrap">
       <pathelement location="${build.home}/commons-logging-wrapper.jar"/>
  @@ -226,6 +234,8 @@
            basedir="${build.home}/tests"
            manifest="${conf.home}/MANIFEST.MF">
         <exclude name="org/apache/commons/logging/Wrapper.class"/>
  +      <exclude name="org/apache/commons/logging/jdk14/TestHandler.class"
  +                 if="jdk.1.4.present"/>
       </jar>
       <jar jarfile="${build.home}/commons-${component.name}-wrapper.jar"
            basedir="${build.home}/tests"
  @@ -291,7 +301,8 @@
   <!-- ========== Unit Test Targets ========================================= -->
   
   
  -  <target name="test"  depends="compile.tests,test.jdk14" if="test.entry"
  +  <target name="test"  depends="compile.tests,test.jdk14,test.log4j
  +          " if="test.entry"
      description="Run all unit test cases">
         <java classname="${test.runner}" fork="yes" failonerror="${test.failonerror}">
           <arg value="${test.entry}"/>
  @@ -412,6 +423,56 @@
         <sysproperty key="org.apache.commons.logging.Log"
                    value="org.apache.commons.logging.impl.Jdk14Logger"/>
         <classpath refid="test.classpath.wrap"/>
  +    </java>
  +
  +  </target>
  +
  +
  +  <target name="test.log4j" depends="compile.tests" if="log4j.present"
  +   description="Run unit tests specific to Log4J logging">
  +
  +    <echo message="Default Configuration (Log4J Auto-Recognized)"/>
  +    <java classname="${test.runner}" fork="yes" failonerror="${test.failonerror}">
  +      <arg value="org.apache.commons.logging.log4j.DefaultConfigTestCase"/>
  +      <classpath refid="test.classpath.log4j"/>
  +    </java>
  +
  +    <echo message="Default Configuration (Log4J LogFactoryImpl Selected)"/>
  +    <java classname="${test.runner}" fork="yes" failonerror="${test.failonerror}">
  +      <sysproperty key="org.apache.commons.logging.LogFactory"
  +                 value="org.apache.commons.logging.impl.LogFactoryImpl"/>
  +      <arg value="org.apache.commons.logging.log4j.DefaultConfigTestCase"/>
  +      <classpath refid="test.classpath.log4j"/>
  +    </java>
  +
  +    <echo message="Default Configuration (Log4J Log4JLogger Selected)"/>
  +    <java classname="${test.runner}" fork="yes" failonerror="${test.failonerror}">
  +      <sysproperty key="org.apache.commons.logging.Log"
  +                 value="org.apache.commons.logging.impl.Log4JLogger"/>
  +      <arg value="org.apache.commons.logging.log4j.DefaultConfigTestCase"/>
  +      <classpath refid="test.classpath.log4j"/>
  +    </java>
  +
  +    <echo message="Custom Configuration (Log4J Auto-Recognized)"/>
  +    <java classname="${test.runner}" fork="yes" failonerror="${test.failonerror}">
  +      <arg value="org.apache.commons.logging.log4j.CustomConfigTestCase"/>
  +      <classpath refid="test.classpath.log4j"/>
  +    </java>
  +
  +    <echo message="Custom Configuration (Log4J LogFactoryImpl Selected)"/>
  +    <java classname="${test.runner}" fork="yes" failonerror="${test.failonerror}">
  +      <sysproperty key="org.apache.commons.logging.LogFactory"
  +                 value="org.apache.commons.logging.impl.LogFactoryImpl"/>
  +      <arg value="org.apache.commons.logging.log4j.CustomConfigTestCase"/>
  +      <classpath refid="test.classpath.log4j"/>
  +    </java>
  +
  +    <echo message="Custom Configuration (Log4J Log4JLogger Selected)"/>
  +    <java classname="${test.runner}" fork="yes" failonerror="${test.failonerror}">
  +      <sysproperty key="org.apache.commons.logging.Log"
  +                 value="org.apache.commons.logging.impl.Log4JLogger"/>
  +      <arg value="org.apache.commons.logging.log4j.CustomConfigTestCase"/>
  +      <classpath refid="test.classpath.log4j"/>
       </java>
   
     </target>
  
  
  
  1.3       +9 -6      jakarta-commons/logging/src/test/org/apache/commons/logging/jdk14/CustomConfigTestCase.java
  
  Index: CustomConfigTestCase.java
  ===================================================================
  RCS file: /home/cvs/jakarta-commons/logging/src/test/org/apache/commons/logging/jdk14/CustomConfigTestCase.java,v
  retrieving revision 1.2
  retrieving revision 1.3
  diff -u -r1.2 -r1.3
  --- CustomConfigTestCase.java	30 Mar 2003 02:30:37 -0000	1.2
  +++ CustomConfigTestCase.java	30 Mar 2003 05:22:50 -0000	1.3
  @@ -142,14 +142,14 @@
        * <p>The message levels that should have been logged.</p>
        */
       protected Level testLevels[] =
  -    { Level.FINE, Level.INFO, Level.WARNING, Level.SEVERE };
  +    { Level.FINE, Level.INFO, Level.WARNING, Level.SEVERE, Level.SEVERE };
   
   
       /**
        * <p>The message strings that should have been logged.</p>
        */
       protected String testMessages[] =
  -    { "debug", "info", "warn", "error" };
  +    { "debug", "info", "warn", "error", "fatal" };
   
   
       // ------------------------------------------- JUnit Infrastructure Methods
  @@ -224,6 +224,7 @@
           super.testPristineLog();
   
           // Assert which logging levels have been enabled
  +        assertTrue(log.isFatalEnabled());
           assertTrue(log.isErrorEnabled());
           assertTrue(log.isWarnEnabled());
           assertTrue(log.isInfoEnabled());
  @@ -298,6 +299,7 @@
           log.info("info", t);
           log.warn("warn", t);
           log.error("error", t);
  +        log.fatal("fatal", t);
       }
   
   
  @@ -308,6 +310,7 @@
           log.info("info");
           log.warn("warn");
           log.error("error");
  +        log.fatal("fatal");
       }
   
   
  
  
  
  1.1                  jakarta-commons/logging/src/test/org/apache/commons/logging/log4j/CustomConfig.properties
  
  Index: CustomConfig.properties
  ===================================================================
  # This is the custom configuration properties for the Log4J logger tests
  # in CustomConfigTestCase.
  
  # Configure the root logger's level and appender
  log4j.rootLogger = INFO, A1
  
  # Configure the default appender
  log4j.appender.A1 = org.apache.commons.logging.log4j.TestAppender
  
  
  
  1.1                  jakarta-commons/logging/src/test/org/apache/commons/logging/log4j/CustomConfigTestCase.java
  
  Index: CustomConfigTestCase.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-commons/logging/src/test/org/apache/commons/logging/log4j/CustomConfigTestCase.java,v
1.1 2003/03/30 05:22:50 craigmcc Exp $
   * $Revision: 1.1 $
   * $Date: 2003/03/30 05:22:50 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999-2003 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Commons", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  
  package org.apache.commons.logging.log4j;
  
  
  import java.io.InputStream;
  import java.util.Enumeration;
  import java.util.Iterator;
  import java.util.Properties;
  
  import junit.framework.Test;
  import junit.framework.TestCase;
  import junit.framework.TestSuite;
  
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.apache.log4j.Level;
  import org.apache.log4j.Logger;
  import org.apache.log4j.PropertyConfigurator;
  import org.apache.log4j.spi.LoggingEvent;
  
  
  /**
   * <p>TestCase for Log4J logging when running on a system with Log4J present,
   * so that Log4J should be selected and an appropriate
   * logger configured per the configuration properties.</p>
   *
   * @author Craig R. McClanahan
   * @version $Revision: 1.1 $ $Date: 2003/03/30 05:22:50 $
   */
  
  public class CustomConfigTestCase extends DefaultConfigTestCase {
  
  
      // ----------------------------------------------------------- Constructors
  
  
      /**
       * <p>Construct a new instance of this test case.</p>
       */
      public CustomConfigTestCase() {
          super();
      }
  
  
      /**
       * <p>Construct a new instance of this test case.</p>
       *
       * @param name Name of the test case
       */
      public CustomConfigTestCase(String name) {
          super(name);
      }
  
  
      // ----------------------------------------------------- Instance Variables
  
  
      /**
       * <p>The <code>Appender</code> we are utilizing.</p>
       */
      protected TestAppender appender = null;
  
  
      /**
       * <p>The <code>Logger</code> we are utilizing.</p>
       */
      protected Logger logger = null;
  
  
      /**
       * <p>The message levels that should have been logged.</p>
       */
      protected Level testLevels[] =
      { Level.INFO, Level.WARN, Level.ERROR, Level.FATAL };
  
  
      /**
       * <p>The message strings that should have been logged.</p>
       */
      protected String testMessages[] =
      { "info", "warn", "error", "fatal" };
  
  
      // ------------------------------------------- JUnit Infrastructure Methods
  
  
      /**
       * Set up instance variables required by this test case.
       */
      public void setUp() throws Exception {
          setUpAppender
              ("org/apache/commons/logging/log4j/CustomConfig.properties");
          setUpLogger("TestLogger");
          setUpFactory();
          setUpLog("TestLogger");
      }
  
  
      /**
       * Return the tests included in this test suite.
       */
      public static Test suite() {
          return (new TestSuite(CustomConfigTestCase.class));
      }
  
      /**
       * Tear down instance variables required by this test case.
       */
      public void tearDown() {
          super.tearDown();
          Logger.getRootLogger().removeAppender(appender);
          appender = null;
          logger = null;
      }
  
  
      // ----------------------------------------------------------- Test Methods
  
  
      // Test logging message strings with exceptions
      public void testExceptionMessages() throws Exception {
  
          logExceptionMessages();
          checkLoggingEvents(true);
  
      }
  
  
      // Test logging plain message strings
      public void testPlainMessages() throws Exception {
  
          logPlainMessages();
          checkLoggingEvents(false);
  
      }
  
  
      // Test pristine Appender instance
      public void testPristineAppender() {
  
          assertNotNull("Appender exists", appender);
  
      }
  
  
      // Test pristine Log instance
      public void testPristineLog() {
  
          super.testPristineLog();
  
          // Assert which logging levels have been enabled
          assertTrue(log.isErrorEnabled());
          assertTrue(log.isWarnEnabled());
          assertTrue(log.isInfoEnabled());
          assertTrue(!log.isDebugEnabled());
          assertTrue(!log.isTraceEnabled());
  
      }
  
  
      // Test pristine Logger instance
      public void testPristineLogger() {
  
          assertNotNull("Logger exists", logger);
          assertEquals("Logger level", Level.INFO, logger.getEffectiveLevel());
          assertEquals("Logger name", "TestLogger", logger.getName());
  
      }
  
  
      // -------------------------------------------------------- Support Methods
  
  
      // Check the recorded messages
      protected void checkLoggingEvents(boolean thrown) {
          Iterator events = appender.events();
          for (int i = 0; i < testMessages.length; i++) {
              assertTrue(events.hasNext());
              LoggingEvent event = (LoggingEvent) events.next();
              assertEquals("LoggingEvent level",
                           testLevels[i], event.getLevel());
              assertEquals("LoggingEvent message",
                           testMessages[i], event.getMessage());
              /* Does not appear to be logged correctly?
              assertEquals("LoggingEvent class",
                           this.getClass().getName(),
                           event.getLocationInformation().getClassName());
              */
              /* Does not appear to be logged correctly?
              if (thrown) {
                  assertEquals("LoggingEvent method",
                               "logExceptionMessages",
                               event.getLocationInformation().getMethodName());
              } else {
                  assertEquals("LoggingEvent method",
                               "logPlainMessages",
                               event.getLocationInformation().getMethodName());
              }
              */
              if (thrown) {
                  assertNotNull("LoggingEvent thrown",
                                event.getThrowableInformation().getThrowable());
                  assertTrue("LoggingEvent thrown type",
                             event.getThrowableInformation().getThrowable()
                               instanceof IndexOutOfBoundsException);
              } else {
                  assertNull("LoggingEvent thrown",
                             event.getThrowableInformation());
              }
          }
          assertTrue(!events.hasNext());
          appender.flush();
      }
  
  
      // Log the messages with exceptions
      protected void logExceptionMessages() {
          Throwable t = new IndexOutOfBoundsException();
          log.trace("trace", t); // Should not actually get logged
          log.debug("debug", t); // Should not actually get logged
          log.info("info", t);
          log.warn("warn", t);
          log.error("error", t);
          log.fatal("fatal", t);
      }
  
  
      // Log the plain messages
      protected void logPlainMessages() {
          log.trace("trace"); // Should not actually get logged
          log.debug("debug"); // Should not actually get logged
          log.info("info");
          log.warn("warn");
          log.error("error");
          log.fatal("fatal");
      }
  
  
      // Set up our custom Appender
      protected void setUpAppender(String config) throws Exception {
          Properties props = new Properties();
          InputStream is =
              this.getClass().getClassLoader().getResourceAsStream(config);
          props.load(is);
          is.close();
          PropertyConfigurator.configure(props);
          Enumeration appenders = Logger.getRootLogger().getAllAppenders();
          appender = (TestAppender) appenders.nextElement();
      }
  
  
      // Set up our custom Logger
      protected void setUpLogger(String name) throws Exception {
          logger = Logger.getLogger(name);
      }
  
  
  }
  
  
  
  1.1                  jakarta-commons/logging/src/test/org/apache/commons/logging/log4j/DefaultConfigTestCase.java
  
  Index: DefaultConfigTestCase.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-commons/logging/src/test/org/apache/commons/logging/log4j/DefaultConfigTestCase.java,v
1.1 2003/03/30 05:22:50 craigmcc Exp $
   * $Revision: 1.1 $
   * $Date: 2003/03/30 05:22:50 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999-2003 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Commons", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  
  package org.apache.commons.logging.log4j;
  
  
  import junit.framework.Test;
  import junit.framework.TestCase;
  import junit.framework.TestSuite;
  
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  
  
  /**
   * <p>TestCase for Log4J logging when running on a system with
   * zero configuration, and with Log4J present (so Log4J logging
   * should be automatically configured).</p>
   *
   * @author Craig R. McClanahan
   * @version $Revision: 1.1 $ $Date: 2003/03/30 05:22:50 $
   */
  
  public class DefaultConfigTestCase extends TestCase {
  
  
      // ----------------------------------------------------------- Constructors
  
  
      /**
       * <p>Construct a new instance of this test case.</p>
       */
      public DefaultConfigTestCase() {
          super();
      }
  
  
      /**
       * <p>Construct a new instance of this test case.</p>
       *
       * @param name Name of the test case
       */
      public DefaultConfigTestCase(String name) {
          super(name);
      }
  
  
      // ----------------------------------------------------- Instance Variables
  
  
      /**
       * <p>The {@link LogFactory} implementation we have selected.</p>
       */
      protected LogFactory factory = null;
  
  
      /**
       * <p>The {@link Log} implementation we have selected.</p>
       */
      protected Log log = null;
  
  
      // ------------------------------------------- JUnit Infrastructure Methods
  
  
      /**
       * Set up instance variables required by this test case.
       */
      public void setUp() throws Exception {
          setUpFactory();
          setUpLog("TestLogger");
      }
  
  
      /**
       * Return the tests included in this test suite.
       */
      public static Test suite() {
          return (new TestSuite(DefaultConfigTestCase.class));
      }
  
      /**
       * Tear down instance variables required by this test case.
       */
      public void tearDown() {
          log = null;
          if (factory != null) {
              factory.releaseAll();
              factory = null;
          }
      }
  
  
      // ----------------------------------------------------------- Test Methods
  
  
      // Test pristine Log instance
      public void testPristineLog() {
  
          assertNotNull("Log exists", log);
          assertEquals("Log class",
                       "org.apache.commons.logging.impl.Log4JLogger",
                       log.getClass().getName());
  
          // Can we call level checkers with no exceptions?
          log.isDebugEnabled();
          log.isErrorEnabled();
          log.isFatalEnabled();
          log.isInfoEnabled();
          log.isTraceEnabled();
          log.isWarnEnabled();
  
      }
  
  
      // Test pristine LogFactory instance
      public void testPristineFactory() {
  
          assertNotNull("LogFactory exists", factory);
          assertEquals("LogFactory class",
                       "org.apache.commons.logging.impl.LogFactoryImpl",
                       factory.getClass().getName());
  
          String names[] = factory.getAttributeNames();
          assertNotNull("Names exists", names);
          assertEquals("Names empty", 0, names.length);
  
      }
  
  
      // -------------------------------------------------------- Support Methods
  
  
  
      // Set up factory instance
      protected void setUpFactory() throws Exception {
          factory = LogFactory.getFactory();
      }
  
  
      // Set up log instance
      protected void setUpLog(String name) throws Exception {
          log = factory.getLog(name);
      }
  
  
  }
  
  
  
  1.1                  jakarta-commons/logging/src/test/org/apache/commons/logging/log4j/TestAppender.java
  
  Index: TestAppender.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-commons/logging/src/test/org/apache/commons/logging/log4j/TestAppender.java,v
1.1 2003/03/30 05:22:50 craigmcc Exp $
   * $Revision: 1.1 $
   * $Date: 2003/03/30 05:22:50 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999-2003 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Commons", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  
  package org.apache.commons.logging.log4j;
  
  
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  import org.apache.log4j.AppenderSkeleton;
  import org.apache.log4j.spi.LoggingEvent;
  
  
  /**
   * <p>Test implementation of <code>org.apache.log4j.Appender</code>.</p>
   *
   * @author Craig R. McClanahan
   * @version $Revision: 1.1 $ $Date: 2003/03/30 05:22:50 $
   */
  
  public class TestAppender extends AppenderSkeleton {
  
  
  
      // ----------------------------------------------------- Instance Variables
  
  
      // The set of logged events for this appender
      private List events = new ArrayList();
  
  
      // --------------------------------------------------------- Public Methods
  
  
      public Iterator events() {
          return (events.iterator());
      }
  
  
      public void flush() {
          events.clear();
      }
  
  
      // ------------------------------------------------------- Appender Methods
  
  
      protected void append(LoggingEvent event) {
          events.add(event);
      }
  
  
      public void close() {
      }
  
  
      public boolean requiresLayout() {
          return (false);
      }
  
  
  }
  
  
  

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