add: 增加日志工具类

common/pom.xml

@@ -58,6 +58,11 @@
             <artifactId>commons-math3</artifactId>
             <version>3.1.1</version>
         </dependency>
+        <dependency>
+            <groupId>cn.hutool</groupId>
+            <artifactId>hutool-all</artifactId>
+            <version>4.5.1</version>
+        </dependency>
     </dependencies>
 
     <build>

common/src/main/java/com/alibaba/datax/common/log/EtlJobFileAppender.java

@@ -0,0 +1,73 @@
+package com.alibaba.datax.common.log;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+/**
+ * Appender
+ *
+ * @author zhouhongfa@gz-yibo.com
+ * @version 1.0
+ * @since 2019/6/27
+ */
+public class EtlJobFileAppender {
+    private static Logger logger = LoggerFactory.getLogger(EtlJobFileAppender.class);
+
+    // support log for child thread of job handler
+//	public static ThreadLocal<String> contextHolder = new ThreadLocal<String>();
+    public static final InheritableThreadLocal<String> contextHolder = new InheritableThreadLocal<String>();
+
+    /**
+     * append log
+     *
+     * @param logFileName
+     * @param appendLog
+     */
+    public static void appendLog(String logFileName, String appendLog) {
+
+        // log file
+        if (logFileName == null || logFileName.trim().length() == 0) {
+            return;
+        }
+        File logFile = new File(logFileName);
+
+        if (!logFile.exists()) {
+            try {
+                logFile.createNewFile();
+            } catch (IOException e) {
+                logger.error(e.getMessage(), e);
+                return;
+            }
+        }
+
+        // log
+        if (appendLog == null) {
+            appendLog = "";
+        }
+        appendLog += "\r\n";
+
+        // append file content
+        FileOutputStream fos = null;
+        try {
+            fos = new FileOutputStream(logFile, true);
+            fos.write(appendLog.getBytes("utf-8"));
+            fos.flush();
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+        } finally {
+            if (fos != null) {
+                try {
+                    fos.close();
+                } catch (IOException e) {
+                    logger.error(e.getMessage(), e);
+                }
+            }
+        }
+
+    }
+
+}

common/src/main/java/com/alibaba/datax/common/log/EtlJobLogger.java

@@ -0,0 +1,88 @@
+package com.alibaba.datax.common.log;
+
+import cn.hutool.core.date.DateUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.helpers.FormattingTuple;
+import org.slf4j.helpers.MessageFormatter;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.Date;
+
+/**
+ * datax运行日志工具类，由xxl-job里的com.xxl.job.core.log.XxlJobFileAppender修改而来
+ *
+ * @author zhouhongfa@gz-yibo.com
+ * @version 1.0
+ * @since 2019/6/25
+ */
+public class EtlJobLogger {
+    private static Logger logger = LoggerFactory.getLogger("datax-job logger");
+
+    /**
+     * append log
+     *
+     * @param callInfo
+     * @param appendLog
+     */
+    private static void logDetail(StackTraceElement callInfo, String appendLog) {
+
+
+        /*// "yyyy-MM-dd HH:mm:ss [ClassName]-[MethodName]-[LineNumber]-[ThreadName] log";
+        StackTraceElement[] stackTraceElements = new Throwable().getStackTrace();
+        StackTraceElement callInfo = stackTraceElements[1];*/
+
+        StringBuffer stringBuffer = new StringBuffer();
+        stringBuffer.append(DateUtil.formatDateTime(new Date())).append(" ")
+                .append("[" + callInfo.getClassName() + "#" + callInfo.getMethodName() + "]").append("-")
+                .append("[" + callInfo.getLineNumber() + "]").append("-")
+                .append("[" + Thread.currentThread().getName() + "]").append(" ")
+                .append(appendLog != null ? appendLog : "");
+        String formatAppendLog = stringBuffer.toString();
+
+        // appendlog
+        String logFileName = EtlJobFileAppender.contextHolder.get();
+        if (logFileName != null && logFileName.trim().length() > 0) {
+            EtlJobFileAppender.appendLog(logFileName, formatAppendLog);
+        } else {
+            logger.info(">>>>>>>>>>> {}", formatAppendLog);
+        }
+    }
+
+    /**
+     * append log with pattern
+     *
+     * @param appendLogPattern   like "aaa {} bbb {} ccc"
+     * @param appendLogArguments like "111, true"
+     */
+    public static void log(String appendLogPattern, Object... appendLogArguments) {
+
+        FormattingTuple ft = MessageFormatter.arrayFormat(appendLogPattern, appendLogArguments);
+        String appendLog = ft.getMessage();
+
+        /*appendLog = appendLogPattern;
+        if (appendLogArguments!=null && appendLogArguments.length>0) {
+            appendLog = MessageFormat.format(appendLogPattern, appendLogArguments);
+        }*/
+
+        StackTraceElement callInfo = new Throwable().getStackTrace()[1];
+        logDetail(callInfo, appendLog);
+    }
+
+    /**
+     * append exception stack
+     *
+     * @param e
+     */
+    public static void log(Throwable e) {
+
+        StringWriter stringWriter = new StringWriter();
+        e.printStackTrace(new PrintWriter(stringWriter));
+        String appendLog = stringWriter.toString();
+
+        StackTraceElement callInfo = new Throwable().getStackTrace()[1];
+        logDetail(callInfo, appendLog);
+    }
+
+}