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基础模块,提供配置,日志,SPI,图排序,路径匹配,资源扫描,包扫描,常用工具类
package com.zusmart.basic.logging.toolkit;
import java.util.HashSet;
import java.util.Set;
public class Formatter {
private static final String DELIM_STR = "{}";
private static final char ESCAPE_CHAR = '\\';
public static FormatterTuple format(String messagePattern, Object arg) {
return arrayFormat(messagePattern, new Object[] { arg });
}
public static FormatterTuple format(final String messagePattern, Object argA, Object argB) {
return arrayFormat(messagePattern, new Object[] { argA, argB });
}
public static FormatterTuple arrayFormat(final String messagePattern, final Object[] argArray) {
if (argArray == null || argArray.length == 0) {
return new FormatterTuple(messagePattern, null);
}
int lastArrIdx = argArray.length - 1;
Object lastEntry = argArray[lastArrIdx];
Throwable throwable = lastEntry instanceof Throwable ? (Throwable) lastEntry : null;
if (messagePattern == null) {
return new FormatterTuple(null, throwable);
}
int j = messagePattern.indexOf(DELIM_STR);
if (j == -1) {
return new FormatterTuple(messagePattern, throwable);
}
StringBuilder sbuf = new StringBuilder(messagePattern.length() + 50);
int i = 0;
int L = 0;
do {
boolean notEscaped = j == 0 || messagePattern.charAt(j - 1) != ESCAPE_CHAR;
if (notEscaped) {
sbuf.append(messagePattern, i, j);
} else {
sbuf.append(messagePattern, i, j - 1);
notEscaped = j >= 2 && messagePattern.charAt(j - 2) == ESCAPE_CHAR;
}
i = j + 2;
if (notEscaped) {
deeplyAppendParameter(sbuf, argArray[L], null);
L++;
if (L > lastArrIdx) {
break;
}
} else {
sbuf.append(DELIM_STR);
}
j = messagePattern.indexOf(DELIM_STR, i);
} while (j != -1);
sbuf.append(messagePattern, i, messagePattern.length());
return new FormatterTuple(sbuf.toString(), L <= lastArrIdx ? throwable : null);
}
private static void deeplyAppendParameter(StringBuilder sbuf, Object o, Set seenSet) {
if (o == null) {
sbuf.append("null");
return;
}
Class objClass = o.getClass();
if (!objClass.isArray()) {
if (Number.class.isAssignableFrom(objClass)) {
if (objClass == Long.class) {
sbuf.append(((Long) o).longValue());
} else if (objClass == Integer.class || objClass == Short.class || objClass == Byte.class) {
sbuf.append(((Number) o).intValue());
} else if (objClass == Double.class) {
sbuf.append(((Double) o).doubleValue());
} else if (objClass == Float.class) {
sbuf.append(((Float) o).floatValue());
} else {
safeObjectAppend(sbuf, o);
}
} else {
safeObjectAppend(sbuf, o);
}
} else {
sbuf.append('[');
if (objClass == boolean[].class) {
booleanArrayAppend(sbuf, (boolean[]) o);
} else if (objClass == byte[].class) {
byteArrayAppend(sbuf, (byte[]) o);
} else if (objClass == char[].class) {
charArrayAppend(sbuf, (char[]) o);
} else if (objClass == short[].class) {
shortArrayAppend(sbuf, (short[]) o);
} else if (objClass == int[].class) {
intArrayAppend(sbuf, (int[]) o);
} else if (objClass == long[].class) {
longArrayAppend(sbuf, (long[]) o);
} else if (objClass == float[].class) {
floatArrayAppend(sbuf, (float[]) o);
} else if (objClass == double[].class) {
doubleArrayAppend(sbuf, (double[]) o);
} else {
objectArrayAppend(sbuf, (Object[]) o, seenSet);
}
sbuf.append(']');
}
}
private static void safeObjectAppend(StringBuilder sbuf, Object o) {
try {
String oAsString = o.toString();
sbuf.append(oAsString);
} catch (Throwable t) {
System.err.println("SLF4J: Failed toString() invocation on an object of type [" + o.getClass().getName() + ']');
t.printStackTrace();
sbuf.append("[FAILED toString()]");
}
}
private static void objectArrayAppend(StringBuilder sbuf, Object[] a, Set seenSet) {
if (a.length == 0) {
return;
}
if (seenSet == null) {
seenSet = new HashSet(a.length);
}
if (seenSet.add(a)) {
deeplyAppendParameter(sbuf, a[0], seenSet);
for (int i = 1; i < a.length; i++) {
sbuf.append(", ");
deeplyAppendParameter(sbuf, a[i], seenSet);
}
seenSet.remove(a);
} else {
sbuf.append("...");
}
}
private static void booleanArrayAppend(StringBuilder sbuf, boolean[] a) {
if (a.length == 0) {
return;
}
sbuf.append(a[0]);
for (int i = 1; i < a.length; i++) {
sbuf.append(", ");
sbuf.append(a[i]);
}
}
private static void byteArrayAppend(StringBuilder sbuf, byte[] a) {
if (a.length == 0) {
return;
}
sbuf.append(a[0]);
for (int i = 1; i < a.length; i++) {
sbuf.append(", ");
sbuf.append(a[i]);
}
}
private static void charArrayAppend(StringBuilder sbuf, char[] a) {
if (a.length == 0) {
return;
}
sbuf.append(a[0]);
for (int i = 1; i < a.length; i++) {
sbuf.append(", ");
sbuf.append(a[i]);
}
}
private static void shortArrayAppend(StringBuilder sbuf, short[] a) {
if (a.length == 0) {
return;
}
sbuf.append(a[0]);
for (int i = 1; i < a.length; i++) {
sbuf.append(", ");
sbuf.append(a[i]);
}
}
private static void intArrayAppend(StringBuilder sbuf, int[] a) {
if (a.length == 0) {
return;
}
sbuf.append(a[0]);
for (int i = 1; i < a.length; i++) {
sbuf.append(", ");
sbuf.append(a[i]);
}
}
private static void longArrayAppend(StringBuilder sbuf, long[] a) {
if (a.length == 0) {
return;
}
sbuf.append(a[0]);
for (int i = 1; i < a.length; i++) {
sbuf.append(", ");
sbuf.append(a[i]);
}
}
private static void floatArrayAppend(StringBuilder sbuf, float[] a) {
if (a.length == 0) {
return;
}
sbuf.append(a[0]);
for (int i = 1; i < a.length; i++) {
sbuf.append(", ");
sbuf.append(a[i]);
}
}
private static void doubleArrayAppend(StringBuilder sbuf, double[] a) {
if (a.length == 0) {
return;
}
sbuf.append(a[0]);
for (int i = 1; i < a.length; i++) {
sbuf.append(", ");
sbuf.append(a[i]);
}
}
}