+/*
+ * 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 Gülcü
+ @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;
+ }
+}