java/src/org/apache/log4j/SimpleLayout.java

@@ -0,0 +1,78 @@
+/*
+ * 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 org.apache.log4j;
+
+import org.apache.log4j.spi.LoggingEvent;
+
+/**
+   SimpleLayout consists of the level of the log statement,
+   followed by " - " and then the log message itself. For example,
+
+   <pre>
+           DEBUG - Hello world
+   </pre>
+
+   <p>
+   @author Ceki G&uuml;lc&uuml;
+   @since version 0.7.0
+
+   <p>{@link PatternLayout} offers a much more powerful alternative.
+*/
+public class SimpleLayout extends Layout {
+
+  StringBuffer sbuf = new StringBuffer(128);
+
+  public SimpleLayout() {
+  }
+
+  public
+  void activateOptions() {
+  }
+  
+  /**
+     Returns the log statement in a format consisting of the
+     <code>level</code>, followed by " - " and then the
+     <code>message</code>. For example, <pre> INFO - "A message"
+     </pre>
+
+     <p>The <code>category</code> parameter is ignored.
+     <p>
+     @return A byte array in SimpleLayout format.
+    */
+  public
+  String format(LoggingEvent event) {
+
+    sbuf.setLength(0);
+    sbuf.append(event.getLevel().toString());
+    sbuf.append(" - ");
+    sbuf.append(event.getRenderedMessage());
+    sbuf.append(LINE_SEP);
+    return sbuf.toString();
+  }
+
+/**
+     The SimpleLayout does not handle the throwable contained within
+     {@link LoggingEvent LoggingEvents}. Thus, it returns
+     <code>true</code>.
+
+     @since version 0.8.4 */
+  public
+  boolean ignoresThrowable() {
+    return true;
+  }
+}