Add exception class handling

lunasaw · lunasaw · commit 4952ff3a08d9 · 2020-05-31T14:35:52.000+08:00
diff --git a/src/main/java/com/luna/commons/exception/FileException.java b/src/main/java/com/luna/commons/exception/FileException.java
@@ -0,0 +1,20 @@
+package com.luna.commons.exception;
+
+import com.luna.commons.exception.base.BaseException;
+
+/**
+ * 文件信息异常类
+ *
+ * @author ruoyi
+ */
+public class FileException extends BaseException {
+    private static final long serialVersionUID = 1L;
+
+    public FileException(int code, String message, Object[] args) {
+        super(code, message, args);
+    }
+
+    public FileException(int code, String message) {
+        super(code, message);
+    }
+}
diff --git a/src/main/java/com/luna/commons/exception/base/BaseException.java b/src/main/java/com/luna/commons/exception/base/BaseException.java
@@ -0,0 +1,43 @@
+package com.luna.commons.exception.base;
+
+/**
+ * 异常类
+ * 
+ * @author 15272
+ *
+ */
+public class BaseException extends RuntimeException {
+
+    private int      code;
+    private String   message;
+
+    /**
+     * 错误码对应的参数
+     */
+    private Object[] args;
+
+    public BaseException() {
+        super();
+    }
+
+    public BaseException(int code, String message) {
+        this.code = code;
+        this.message = message;
+    }
+
+    public BaseException(int code, String message, Object[] args) {
+        this.code = code;
+        this.message = message;
+        this.args = args;
+    }
+
+    public int getCode() {
+        return code;
+    }
+
+    @Override
+    public String getMessage() {
+        return message;
+    }
+
+}
diff --git a/src/main/java/com/luna/commons/file/ImageUtils.java b/src/main/java/com/luna/commons/file/ImageUtils.java
@@ -0,0 +1,62 @@
+package com.luna.commons.file;
+
+import com.luna.commons.baidu.Config.GetBaiduKey;
+import com.luna.commons.dto.constant.ResultCode;
+import com.luna.commons.exception.FileException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.*;
+
+import javax.imageio.stream.FileImageOutputStream;
+
+/**
+ * 图片文件，与 byte[] 互转
+ */
+public class ImageUtils {
+
+    private static final Logger log = LoggerFactory.getLogger(GetBaiduKey.class);
+
+    /**
+     * 图片转字节
+     * 
+     * @param imgFile
+     * @return
+     */
+    public static byte[] getBytes(String imgFile) {
+        // 将图片文件转化为字节数组
+
+        InputStream in = null;
+        byte[] data = null;
+        // 读取图片字节数组
+        try {
+            in = new FileInputStream(imgFile);
+            data = new byte[in.available()];
+            in.read(data);
+            in.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return data;
+    }
+
+    /**
+     * 字节转图片
+     * 
+     * @param data
+     * @param path
+     */
+    public static void byte2image(byte[] data, String path) {
+        if (data.length < 3 || path.equals("")) {
+            return;
+        }
+        try {
+            FileImageOutputStream imageOutput = new FileImageOutputStream(new File(path));
+            imageOutput.write(data, 0, data.length);
+            imageOutput.close();
+            log.info("Make Picture success,Please find image in " + path);
+        } catch (Exception ex) {
+            throw new FileException(ResultCode.PARAMETER_INVALID, "Exception: " + ex);
+        }
+    }
+}
