添加DebugUtil和ByteUtil

Author: xqs

src/main/java/com/devil/fileconvert/FileConvert.java

@@ -71,7 +71,7 @@ public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IO
 				} catch (IOException e) {
 					e.printStackTrace();
 				} finally {
-					DebugUtil.close(fw);
+					CommUtil.close(fw);
 				}
 				return super.visitFile(file, attrs);
 			}

src/main/java/com/devil/utils/ByteUtil.java

@@ -0,0 +1,15 @@
+package com.devil.utils;
+
+public class ByteUtil {
+	private static final String HEX_CHARS = "0123456789abcdef";
+
+	public static String toHexString(byte[] bytes) {
+		StringBuffer sb = new StringBuffer();
+		for (int i = 0; i < bytes.length; i++) {
+			sb.append(HEX_CHARS.charAt(bytes[i] >>> 4 & 0x0F));
+			sb.append(HEX_CHARS.charAt(bytes[i] & 0x0F));
+		}
+		return sb.toString();
+	}
+
+}

src/main/java/com/devil/utils/DebugUtil.java

@@ -1,16 +1,27 @@
 package com.devil.utils;
 
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.Reader;
-import java.io.Writer;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
 
 import javax.swing.JComponent;
 import javax.swing.JFrame;
 import javax.swing.WindowConstants;
 
 public final class DebugUtil {
+	public static <T extends Comparable<? super T>> List<T> sort(Collection<T> collection) {
+		List<T> list = new ArrayList<>(collection);
+		Collections.sort(list);
+		return list;
+	}
+
+	public static <T extends Comparable<? super T>> T[] sort(T... arr) {
+		Arrays.sort(arr);
+		return arr;
+	}
+
 	public static <T> void printArr(T[] arr) {
 		if (arr != null) {
 			for (T t : arr) {
@@ -28,29 +39,4 @@ public static void UITest(JComponent comp) {
 
 		f.setVisible(true);
 	}
-
-	public static void close(Object... objs) {
-		if (CommUtil.isEmpty(objs)) {
-			return;
-		}
-		try {
-			for (Object obj : objs) {
-				if (obj instanceof InputStream) {
-					((InputStream) obj).close();
-				} else if (obj instanceof OutputStream) {
-					((OutputStream) obj).close();
-				} else if (obj instanceof Reader) {
-					((Reader) obj).close();
-				} else if (obj instanceof Writer) {
-					((Writer) obj).close();
-				} else {
-					throw new IllegalArgumentException(
-							"only inputstream/outputstream/reader/writer can be the param");
-				}
-
-			}
-		} catch (IOException e) {
-			e.printStackTrace();
-		}
-	}
 }

src/main/java/com/devil/utils/FileUtil.java

@@ -2,17 +2,12 @@
 
 import java.io.BufferedWriter;
 import java.io.File;
-import java.io.FileFilter;
 import java.io.FileOutputStream;
 import java.io.FilenameFilter;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
 import java.nio.charset.Charset;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
 
-import com.devil.utils.IteratorUtil.ITreeIterator;
 import com.google.common.io.Files;
 
 public final class FileUtil {
@@ -36,7 +31,7 @@ public static void replaceStr(File f, String old, String replace, String charset
 		} catch (Exception e) {
 			e.printStackTrace();
 		} finally {
-			DebugUtil.close(bw);
+			CommUtil.close(bw);
 		}
 		f.delete();
 		tmpFile.renameTo(f);