From 17374f0b017f37ffd36cb12788948b5c0d76126d Mon Sep 17 00:00:00 2001
From: Adam Gordon <adam.n.gordon@gmail.com>
Date: Wed, 9 Nov 2011 21:39:45 -0700
Subject: [PATCH] checking in first crack at files

---
 FooLayoutWrappingEncoder.java | 154 ++++++++++++++++++++++++++++++++++
 logback.xml                   |  31 +++++++
 2 files changed, 185 insertions(+)
 create mode 100644 FooLayoutWrappingEncoder.java
 create mode 100644 logback.xml

diff --git a/FooLayoutWrappingEncoder.java b/FooLayoutWrappingEncoder.java
new file mode 100644
index 0000000..2773c02
--- /dev/null
+++ b/FooLayoutWrappingEncoder.java
@@ -0,0 +1,154 @@
+package com.foo.logging;
+
+import ch.qos.logback.classic.Level;
+import ch.qos.logback.classic.spi.ILoggingEvent;
+import ch.qos.logback.core.encoder.LayoutWrappingEncoder;
+import org.apache.commons.lang3.CharUtils;
+
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.nio.charset.Charset;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+
+public class FooLayoutWrappingEncoder extends LayoutWrappingEncoder<ILoggingEvent> {
+
+  public static final long PRINT_TIME_INTERVAL = 1000L;
+
+  // Attribute codes:
+  // 00=none 01=bold 04=underscore 05=blink 07=reverse 08=concealed
+  //
+  // Text color codes:
+  // 30=black 31=red 32=green 33=yellow 34=blue 35=magenta 36=cyan 37=white
+
+  public static final String COLOR_YELLOW   = "\033[1;33m";
+  public static final String COLOR_NEUTRAL  = "\033[0m";
+  public static final String COLOR_ALL      = "\033[0m";
+  public static final String COLOR_ERROR    = "\033[01;31m";
+  public static final String COLOR_WARN     = "\033[01;35m";
+  public static final String COLOR_INFO     = "\033[01;34m";
+  public static final String COLOR_DEBUG    = "\033[01;36m";
+  public static final String COLOR_TRACE    = "\033[0;37m";
+  public static final String COLOR_DEFAULT  = "\033[0m";
+
+  public FooLayoutWrappingEncoder() {
+    super();
+    this.setCharset(Charset.forName("UTF-8"));
+    this.clientImpl = new ClientImpl();
+  }
+
+  @Override
+  public void doEncode(ILoggingEvent event) throws IOException {
+
+    try {
+      this.maybeLogTime(this.clientImpl);
+    }
+    catch (IOException ex) {
+      // throw new RuntimeException(ex);
+    }
+
+    byte[] bytes = null;
+    String message = this.format(event);
+    try {
+      bytes = message.toString().getBytes(this.getCharset().name());
+    }
+    catch (UnsupportedEncodingException ex) {
+      throw new IOException(ex);
+    }
+
+    this.outputStream.write(bytes);
+    this.outputStream.flush();
+  }
+
+  private static String getTime() {
+    return FORMAT.format(Calendar.getInstance().getTime());
+  }
+
+  private static String format(ILoggingEvent event) {
+
+    StringBuilder sb = new StringBuilder(128);
+    sb.append(CharUtils.LF);
+
+    Level level = event.getLevel();
+    switch (level.toInt()) {
+      case Level.ALL_INT:
+        sb.append(COLOR_ALL);
+        break;
+      case Level.ERROR_INT:
+        sb.append(COLOR_ERROR);
+        break;
+      case Level.WARN_INT:
+        sb.append(COLOR_WARN);
+        break;
+      case Level.INFO_INT:
+        sb.append(COLOR_INFO);
+        break;
+      case Level.DEBUG_INT:
+        sb.append(COLOR_DEBUG);
+        break;
+      case Level.TRACE_INT:
+        sb.append(COLOR_TRACE);
+        break;
+    }
+
+    sb.append("[");
+    sb.append(level.toString());
+    sb.append("] - ");
+    sb.append(event.getFormattedMessage());
+    sb.append(COLOR_DEFAULT);
+
+    return sb.toString();
+  }
+
+  private static final DateFormat FORMAT =
+    new SimpleDateFormat("yyyy.MM.dd, hh:mm:ss a");
+
+  private static long lastLogTime = 0L;
+
+  private void maybeLogTime(ClientImpl client) throws IOException {
+
+    long now = System.currentTimeMillis();
+    if ((now - client.getLastLogTime()) >= PRINT_TIME_INTERVAL) {
+      logTime();
+      client.setLastLogTime(now);
+    }
+  }
+
+  private void logTime() throws IOException {
+
+    StringBuilder sb = new StringBuilder();
+    sb.append(COLOR_YELLOW);
+    sb.append(getTime()).append(":");
+    sb.append(COLOR_NEUTRAL);
+
+    byte[] bytes = null;
+    try {
+      bytes = sb.toString().getBytes(this.getCharset().name());
+    }
+    catch (UnsupportedEncodingException ex) {
+      throw new IOException(ex);
+    }
+
+    this.outputStream.write(bytes);
+    this.outputStream.flush();
+  }
+
+  private ClientImpl clientImpl;
+
+  public interface Client {
+    public long getLastLogTime();
+    public void setLastLogTime(long time);
+  }
+
+  private static class ClientImpl implements Client {
+
+    public long getLastLogTime() {
+      return lastLogTime;
+    }
+
+    public void setLastLogTime(long time) {
+      lastLogTime = time;
+    }
+  }
+}
diff --git a/logback.xml b/logback.xml
new file mode 100644
index 0000000..9fbd8e4
--- /dev/null
+++ b/logback.xml
@@ -0,0 +1,31 @@
+<configuration>
+
+  <appender name="foouilog" class="ch.qos.logback.core.rolling.RollingFileAppender">
+    <file>/usr/local/tomcat/logs/fooui.log</file>
+    <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+      <!-- rollover daily -->
+      <fileNamePattern>/usr/local/tomcat/logs/fooui-%d{yyyy-MM-dd}.%i.gz</fileNamePattern>
+        <maxHistory>10</maxHistory>
+        <timeBasedFileNamingAndTriggeringPolicy
+          class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
+        <maxFileSize>25MB</maxFileSize>
+      </timeBasedFileNamingAndTriggeringPolicy>
+    </rollingPolicy>
+    <encoder class="com.twc.logging.FooLayoutWrappingEncoder"/>
+  </appender>
+
+  <logger name="org.springframework">
+    <level value="info"/>
+    <appender-ref ref="foouilog"/>
+  </logger>
+
+  <logger name="java.sql">
+    <level value="warn"/>
+    <appender-ref ref="foouilog"/>
+  </logger>
+
+  <root level="INFO">
+    <appender-ref ref="foouilog"/>
+  </root>
+
+</configuration>