经常使用Log日志打印输出

/**
 * log刊物
 * @author Jenly
 *
 */
public class LogUtils {

	public static final String TAG = "Jenly";

	private static final String COLON = ":";

	private static final String ARROW = "->";

	/** 是否显示Log日志 */
	private static boolean isShowLog = true;

	/** Log日志优先权 */
	private static int priority = 1;

    /**
     * Priority constant for the println method;use System.out.println
     */
    public static final int PRINTLN	 = 1;

    /**
     * Priority constant for the println method; use Log.v.
     */
    public static final int VERBOSE = 2;

    /**
     * Priority constant for the println method; use Log.d.
     */
    public static final int DEBUG = 3;

    /**
     * Priority constant for the println method; use Log.i.
     */
    public static final int INFO = 4;

    /**
     * Priority constant for the println method; use Log.w.
     */
    public static final int WARN = 5;

    /**
     * Priority constant for the println method; use Log.e.
     */
    public static final int ERROR = 6;

    /**
     * Priority constant for the println method.use Log.wtf.
     */
    public static final int ASSERT = 7;

	public static void setShowLog(boolean isShowLog){

		LogUtils.isShowLog = isShowLog;
	}

	public static boolean isShowLog(){

		return isShowLog;
	}

	public static int getPriority() {

		return priority;
	}

	public static void setPriority(int priority) {

		LogUtils.priority = priority;
	}

	//-----------------------------------Log.v

	/**
	 * Log.v
	 * @param e
	 */
	public static void v(Throwable e) {
		if (isShowLog && priority <= VERBOSE)
			v(TAG,e);
	}

	public static void v(String tag,Throwable e) {
		if (isShowLog && priority <= VERBOSE)
			for(int i=0;i<e.getStackTrace().length;i++)
				Log.v(tag,
					new StringBuilder()
						.append(e.getStackTrace()[i].getLineNumber())
						.append(COLON)
						.append(e.getStackTrace()[i].getClassName())
						.append(ARROW)
						.append(e.getStackTrace()[i].getMethodName())
						.append(COLON)
						.append(e.getMessage())
						.toString());
	}

	public static void v(Throwable e,String msg) {
		if (isShowLog && priority <= VERBOSE)
			v(TAG,e,msg);
	}

	public static void v(String tag,Throwable e,String msg) {
		if (isShowLog && priority <= VERBOSE)
			for(int i=0;i<e.getStackTrace().length;i++)
				Log.v(tag,
					new StringBuilder()
						.append(e.getStackTrace()[i].getLineNumber())
						.append(COLON)
						.append(e.getStackTrace()[i].getClassName())
						.append(ARROW)
						.append(e.getStackTrace()[i].getMethodName())
						.append(COLON)
						.append(msg)
						.toString(),e);
	}

	public static void v(String msg) {
		if (isShowLog && priority <= VERBOSE)
			v(TAG, msg);

	}

	public static void v(String tag, String msg) {
		if (isShowLog && priority <= VERBOSE)
			Log.v(tag, msg);

	}

	public static void v(Class<?

> cls, String msg) {
		if (isShowLog && priority <= VERBOSE)
			v(TAG,cls,msg);
	}

	public static void v(String tag,Class<?> cls,String msg) {
		if (isShowLog && priority <= VERBOSE)
			Log.v(tag,
					new StringBuilder()
						.append(cls.getSimpleName())
						.append(COLON)
						.append(msg)
						.toString());
	}

	public static void v(Class<?> cls, String line, String msg) {
		if (isShowLog && priority <= VERBOSE)
			v(TAG,cls,line,msg);
	}

	public static void v(String tag,Class<?> cls, String line, String msg) {
		if (isShowLog && priority <= VERBOSE)
			Log.e(tag,
					new StringBuilder()
						.append(line).append(COLON)
						.append(cls.getSimpleName())
						.append(COLON)
						.append(msg)
						.toString());
	}

	//-----------------------------------Log.d

	/**
	 * Log.d
	 * @param e
	 */
	public static void d(Throwable e) {
		if (isShowLog && priority <= DEBUG)
			d(TAG,e);
	}

	public static void d(String tag,Throwable e) {
		if (isShowLog && priority <= DEBUG)
			for(int i=0;i<e.getStackTrace().length;i++)
				Log.d(tag,
					new StringBuilder()
						.append(e.getStackTrace()[i].getLineNumber())
						.append(COLON)
						.append(e.getStackTrace()[i].getClassName())
						.append(ARROW)
						.append(e.getStackTrace()[i].getMethodName())
						.append(COLON)
						.append(e.getMessage())
						.toString());
	}

	public static void d(Throwable e,String msg) {
		if (isShowLog && priority <= DEBUG)
			d(TAG,e,msg);
	}

	public static void d(String tag,Throwable e,String msg) {
		if (isShowLog && priority <= DEBUG)
			for(int i=0;i<e.getStackTrace().length;i++)
				Log.d(tag,
					new StringBuilder()
						.append(e.getStackTrace()[i].getLineNumber())
						.append(COLON)
						.append(e.getStackTrace()[i].getClassName())
						.append(ARROW)
						.append(e.getStackTrace()[i].getMethodName())
						.append(COLON)
						.append(msg)
						.toString(),e);
	}

	public static void d(String msg) {
		if (isShowLog && priority <= DEBUG)
			d(TAG, msg);

	}

	public static void d(String tag, String msg) {
		if (isShowLog && priority <= DEBUG)
			Log.d(tag, msg);

	}

	public static void d(Class<?> cls, String msg) {
		if (isShowLog && priority <= DEBUG)
			d(TAG,cls,msg);
	}

	public static void d(String tag,Class<?> cls,String msg) {
		if (isShowLog && priority <= DEBUG)
			Log.d(tag,
					new StringBuilder()
						.append(cls.getSimpleName())
						.append(COLON)
						.append(msg)
						.toString());
	}

	public static void d(Class<?> cls, String line, String msg) {
		if (isShowLog && priority <= DEBUG)
			d(TAG,cls,line,msg);
	}

	public static void d(String tag,Class<?

> cls, String line, String msg) {
		if (isShowLog && priority <= DEBUG)
			Log.d(tag,
					new StringBuilder()
						.append(line).append(COLON)
						.append(cls.getSimpleName())
						.append(COLON)
						.append(msg)
						.toString());
	}

	//-----------------------------------Log.i

	/**
	 * Log.i
	 * @param e
	 */
	public static void i(Throwable e) {
		if (isShowLog && priority <= INFO)
			i(TAG,e);
	}

	public static void i(String tag,Throwable e) {
		if (isShowLog && priority <= INFO)
			for(int i=0;i<e.getStackTrace().length;i++)
				Log.i(tag,
					new StringBuilder()
						.append(e.getStackTrace()[i].getLineNumber())
						.append(COLON)
						.append(e.getStackTrace()[i].getClassName())
						.append(ARROW)
						.append(e.getStackTrace()[i].getMethodName())
						.append(COLON)
						.append(e.getMessage())
						.toString());
	}

	public static void i(Throwable e,String msg) {
		if (isShowLog && priority <= INFO)
			i(TAG,e,msg);
	}

	public static void i(String tag,Throwable e,String msg) {
		if (isShowLog && priority <= INFO)
			for(int i=0;i<e.getStackTrace().length;i++)
				Log.i(tag,
					new StringBuilder()
						.append(e.getStackTrace()[i].getLineNumber())
						.append(COLON)
						.append(e.getStackTrace()[i].getClassName())
						.append(ARROW)
						.append(e.getStackTrace()[i].getMethodName())
						.append(COLON)
						.append(msg)
						.toString(),e);
	}

	public static void i(String msg) {
		if (isShowLog && priority <= INFO)
			i(TAG, msg);

	}

	public static void i(String tag, String msg) {
		if (isShowLog && priority <= INFO)
			Log.i(tag, msg);

	}

	public static void i(Class<?> cls, String msg) {
		if (isShowLog && priority <= INFO)
			i(TAG,cls,msg);
	}

	public static void i(String tag,Class<?

> cls,String msg) {
		if (isShowLog && priority <= INFO)
			Log.i(tag,
					new StringBuilder()
						.append(cls.getSimpleName())
						.append(COLON)
						.append(msg)
						.toString());
	}

	public static void i(Class<?> cls, String line, String msg) {
		if (isShowLog && priority <= INFO)
			v(TAG,cls,line,msg);
	}

	public static void i(String tag,Class<?> cls, String line, String msg) {
		if (isShowLog && priority <= INFO)
			Log.i(tag,
					new StringBuilder()
						.append(line).append(COLON)
						.append(cls.getSimpleName())
						.append(COLON)
						.append(msg)
						.toString());
	}

	//-----------------------------------Log.w

	/**
	 * Log.w
	 * @param e
	 */
	public static void w(Throwable e) {
		if (isShowLog && priority <= WARN)
			w(TAG,e);
	}

	public static void w(String tag,Throwable e) {
		if (isShowLog && priority <= WARN)
			for(int i=0;i<e.getStackTrace().length;i++)
				Log.w(tag,
					new StringBuilder()
						.append(e.getStackTrace()[i].getLineNumber())
						.append(COLON)
						.append(e.getStackTrace()[i].getClassName())
						.append(ARROW)
						.append(e.getStackTrace()[i].getMethodName())
						.append(COLON)
						.append(e.getMessage())
						.toString());
	}

	public static void w(Throwable e,String msg) {
		if (isShowLog && priority <= WARN)
			w(TAG,e,msg);
	}

	public static void w(String tag,Throwable e,String msg) {
		if (isShowLog && priority <= WARN)
			for(int i=0;i<e.getStackTrace().length;i++)
				Log.w(tag,
					new StringBuilder()
						.append(e.getStackTrace()[i].getLineNumber())
						.append(COLON)
						.append(e.getStackTrace()[i].getClassName())
						.append(ARROW)
						.append(e.getStackTrace()[i].getMethodName())
						.append(COLON)
						.append(msg)
						.toString(),e);
	}

	public static void w(String msg) {
		if (isShowLog && priority <= WARN)
			w(TAG, msg);

	}

	public static void w(String tag, String msg) {
		if (isShowLog && priority <= WARN)
			Log.w(tag, msg);

	}

	public static void w(Class<?> cls, String msg) {
		if (isShowLog && priority <= WARN)
			w(TAG,cls,msg);
	}

	public static void w(String tag,Class<?> cls,String msg) {
		if (isShowLog && priority <= WARN)
			Log.w(tag,
					new StringBuilder()
						.append(cls.getSimpleName())
						.append(COLON)
						.append(msg)
						.toString());
	}

	public static void w(Class<?> cls, String line, String msg) {
		if (isShowLog && priority <= WARN)
			w(TAG,cls,line,msg);
	}

	public static void w(String tag,Class<?> cls, String line, String msg) {
		if (isShowLog && priority <= WARN)
			Log.w(tag,
					new StringBuilder()
						.append(line).append(COLON)
						.append(cls.getSimpleName())
						.append(COLON)
						.append(msg)
						.toString());
	}

	//-----------------------------------Log.e

	/**
	 * Log.e
	 * @param e
	 */
	public static void e(Throwable e) {
		if (isShowLog && priority <= ERROR)
			e(TAG,e);
	}

	public static void e(String tag,Throwable e) {
		if (isShowLog && priority <= ERROR)
			for(int i=0;i<e.getStackTrace().length;i++)
				Log.e(tag,
					new StringBuilder()
						.append(e.getStackTrace()[i].getLineNumber())
						.append(COLON)
						.append(e.getStackTrace()[i].getClassName())
						.append(ARROW)
						.append(e.getStackTrace()[i].getMethodName())
						.append(COLON)
						.append(e.getMessage())
						.toString());
	}

	public static void e(Throwable e,String msg) {
		if (isShowLog && priority <= ERROR)
			e(TAG,e,msg);
	}

	public static void e(String tag,Throwable e,String msg) {
		if (isShowLog && priority <= ERROR)
			for(int i=0;i<e.getStackTrace().length;i++)
				Log.e(tag,
					new StringBuilder()
						.append(e.getStackTrace()[i].getLineNumber())
						.append(COLON)
						.append(e.getStackTrace()[i].getClassName())
						.append(ARROW)
						.append(e.getStackTrace()[i].getMethodName())
						.append(COLON)
						.append(msg)
						.toString(),e);
	}

	public static void e(String msg) {
		if (isShowLog && priority <= ERROR)
			e(TAG, msg);

	}

	public static void e(String tag, String msg) {
		if (isShowLog && priority <= ERROR)
			Log.e(tag, msg);

	}

	public static void e(Class<?> cls, String msg) {
		if (isShowLog && priority <= ERROR)
			e(TAG,cls,msg);
	}

	public static void e(String tag,Class<?> cls,String msg) {
		if (isShowLog && priority <= ERROR)
			Log.e(tag,
					new StringBuilder()
						.append(cls.getSimpleName())
						.append(COLON)
						.append(msg)
						.toString());
	}

	public static void e(Class<?> cls, String line, String msg) {
		if (isShowLog && priority <= ERROR)
			e(TAG,cls,line,msg);
	}

	public static void e(String tag,Class<?> cls, String line, String msg) {
		if (isShowLog && priority <= ERROR)
			Log.w(tag,
					new StringBuilder()
						.append(line).append(COLON)
						.append(cls.getSimpleName())
						.append(COLON)
						.append(msg)
						.toString());
	}

	//-----------------------------------Log.wtf

	/**
	 * Log.wtf
	 * @param e
	 */
	public static void wtf(Throwable e) {
		if (isShowLog && priority <= ASSERT)
			wtf(TAG,e);
	}

	public static void wtf(String tag,Throwable e) {
		if (isShowLog && priority <= ASSERT)
			for(int i=0;i<e.getStackTrace().length;i++)
				Log.wtf(tag,
					new StringBuilder()
						.append(e.getStackTrace()[i].getLineNumber())
						.append(COLON)
						.append(e.getStackTrace()[i].getClassName())
						.append(ARROW)
						.append(e.getStackTrace()[i].getMethodName())
						.append(COLON)
						.append(e.getMessage())
						.toString());
	}

	public static void wtf(Throwable e,String msg) {
		if (isShowLog && priority <= ASSERT)
			wtf(TAG,e,msg);
	}

	public static void wtf(String tag,Throwable e,String msg) {
		if (isShowLog && priority <= ASSERT)
			for(int i=0;i<e.getStackTrace().length;i++)
				Log.wtf(tag,
					new StringBuilder()
						.append(e.getStackTrace()[i].getLineNumber())
						.append(COLON)
						.append(e.getStackTrace()[i].getClassName())
						.append(ARROW)
						.append(e.getStackTrace()[i].getMethodName())
						.append(COLON)
						.append(msg)
						.toString(),e);
	}

	public static void wtf(String msg) {
		if (isShowLog && priority <= ASSERT)
			wtf(TAG, msg);

	}

	public static void wtf(String tag, String msg) {
		if (isShowLog && priority <= ASSERT)
			Log.wtf(tag, msg);

	}

	public static void wtf(Class<?> cls, String msg) {
		if (isShowLog && priority <= ASSERT)
			wtf(TAG,cls,msg);
	}

	public static void wtf(String tag,Class<?> cls,String msg) {
		if (isShowLog && priority <= ASSERT)
			Log.wtf(tag,
					new StringBuilder()
						.append(cls.getSimpleName())
						.append(COLON)
						.append(msg)
						.toString());
	}

	public static void wtf(Class<?> cls, String line, String msg) {
		if (isShowLog && priority <= ASSERT)
			e(TAG,cls,line,msg);
	}

	public static void wtf(String tag,Class<?

> cls, String line, String msg) {
		if (isShowLog && priority <= ASSERT)
			Log.wtf(tag,
					new StringBuilder()
						.append(line).append(COLON)
						.append(cls.getSimpleName())
						.append(COLON)
						.append(msg)
						.toString());
	}

	//-----------------------------------System.out.print

	/**
	 * System.out.print
	 * @param msg
	 */
	public static void print(String msg){
		if(isShowLog && priority <= PRINTLN)
			System.out.print(msg);
	}

	public static void print(Object obj){
		if(isShowLog && priority <= PRINTLN)
			System.out.print(obj);
	}

	//-----------------------------------System.out.printf

	/**
	 * System.out.printf
	 * @param msg
	 */
	public static void printf(String msg){
		if(isShowLog && priority <= PRINTLN)
			System.out.printf(msg);
	}

	//-----------------------------------System.out.println

	/**
	 * System.out.println
	 * @param msg
	 */
	public static void println(String msg){
		if(isShowLog && priority <= PRINTLN)
			System.out.println(msg);
	}

	public static void println(Object obj){
		if(isShowLog && priority <= PRINTLN)
			System.out.println(obj);
	}

}

只需进行一个简单的包、方便记录和管理、

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