Optimized code

did-common/pom.xml

@@ -22,6 +22,15 @@
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-annotations</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+        </dependency>
     </dependencies>
 
     <build>

did-common/src/main/java/io/github/ehlxr/did/common/Code.java

@@ -0,0 +1,54 @@
+package io.github.ehlxr.did.common;
+
+/**
+ * 自定义状态码
+ *
+ * @author ehlxr
+ * @since 2020/3/18.
+ */
+public enum Code {
+    /**
+     * 成功
+     */
+    SUCCESSFUL(200, "success"),
+    /**
+     * 未知异常
+     */
+    UNKNOWN_EXCEPTION(600, "系统异常，请联系管理员");
+
+    private static final Code[] CODES = Code.values();
+    private final int code;
+    private final String message;
+
+    Code(int code, String message) {
+        this.code = code;
+        this.message = message;
+    }
+
+    public static Code code(int code) {
+        for (Code c : CODES) {
+            if (code == c.getCode()) {
+                return c;
+            }
+        }
+        return null;
+    }
+
+    public int getCode() {
+        return code;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    @Override
+    public String toString() {
+        return "Code{" +
+                "code=" + code +
+                ", message='" + message + '\'' +
+                '}';
+    }
+
+}
+

did-common/src/main/java/io/github/ehlxr/did/common/Result.java

@@ -0,0 +1,150 @@
+package io.github.ehlxr.did.common;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import io.netty.util.internal.StringUtil;
+
+import java.io.Serializable;
+import java.text.SimpleDateFormat;
+import java.util.Objects;
+
+/**
+ * 统一输出结果集
+ *
+ * @author ehlxr
+ * @since 2020/3/18.
+ */
+@JsonInclude(JsonInclude.Include.NON_NULL)
+public class Result<T> implements Serializable {
+    private static final long serialVersionUID = -2758720512348727698L;
+    /**
+     * 响应编码
+     */
+    private int code;
+    /**
+     * 消息，如错误消息
+     */
+    private String message;
+    /**
+     * 数据内容
+     */
+    private T data;
+
+    private Result() {
+    }
+
+    private Result(int code, T data, String message) {
+        this.code = code;
+        this.data = data;
+        this.message = message;
+    }
+
+    public static <T> Result<T> success(T data, String message) {
+        return new Result<>(Code.SUCCESSFUL.getCode(), data, message);
+    }
+
+    public static <T> Result<T> success(T data) {
+        return success(data, null);
+    }
+
+    public static <T> Result<T> success() {
+        return success(null);
+    }
+
+    public static <T> Result<T> of(int c, T d, String m) {
+        return new Result<>(c, d, m);
+    }
+
+    public static <T> Result<T> of(Code c, T d, String m) {
+        return new Result<>(c.getCode(), d, m);
+    }
+
+    public static <T> Result<T> fail(Code code, String message) {
+        return of(code.getCode(), null, message);
+    }
+
+    public static <T> Result<T> fail(String message) {
+        return fail(Code.UNKNOWN_EXCEPTION.getCode(), message);
+    }
+
+    public static <T> Result<T> fail(int code, String message) {
+        return of(code, null, message);
+    }
+
+    public static <T> Result<T> fail(Code code) {
+        return fail(code, code.getMessage());
+    }
+
+    public static <T> Result<T> fail(Throwable e) {
+        return of(Code.UNKNOWN_EXCEPTION.getCode(), null, String.format("%s: %s", e.getClass().getSimpleName(), e.getMessage()));
+    }
+
+    public String getMessage() {
+        // return StringUtil.isNullOrEmpty(m) ? c.getMessage() : m;
+        if (StringUtil.isNullOrEmpty(message)) {
+            Code code;
+            try {
+                code = Code.code(this.code);
+            } catch (Exception e) {
+                return message;
+            }
+
+            return Objects.isNull(code) ? "" : code.getMessage();
+        }
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public int getCode() {
+        // return Objects.nonNull(c) ? c.getCode() : Code.UNKNOWN_EXCEPTION.getCode();
+        return code;
+    }
+
+    public void setCode(int code) {
+        this.code = code;
+    }
+
+    public T getData() {
+        return data;
+    }
+
+    public void setData(T data) {
+        this.data = data;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        Result<?> result = (Result<?>) o;
+        return code == result.code &&
+                Objects.equals(message, result.message) &&
+                Objects.equals(data, result.data);
+    }
+
+    @Override
+    public String toString() {
+        try {
+            ObjectMapper om = new ObjectMapper();
+            // 取消时间的转化格式, 默认是时间戳
+            om.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
+            // 设置时间格式
+            om.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
+            om.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
+            om.configure(SerializationFeature.WRITE_SINGLE_ELEM_ARRAYS_UNWRAPPED, false);
+            return om.writeValueAsString(this);
+        } catch (JsonProcessingException e) {
+            return "";
+        }
+    }
+}
+

did-common/src/main/java/io/github/ehlxr/did/common/SdkProto.java

@@ -31,8 +31,8 @@ public class SdkProto {
         return rqid;
     }
 
-    public void setRqid(int rqid) {
-        this.rqid = rqid;
+    public static SdkProtoBuilder newBuilder() {
+        return new SdkProtoBuilder();
     }
 
     public long getDid() {
@@ -50,4 +50,35 @@ public class SdkProto {
                 ", did=" + did +
                 '}';
     }
+
+    public void setRqid(int rqid) {
+        if (rqid > 0) {
+            this.rqid = rqid;
+        }
+    }
+
+    public static final class SdkProtoBuilder {
+        private int rqid;
+        private long did;
+
+        private SdkProtoBuilder() {
+        }
+
+        public SdkProtoBuilder rqid(int rqid) {
+            this.rqid = rqid;
+            return this;
+        }
+
+        public SdkProtoBuilder did(long did) {
+            this.did = did;
+            return this;
+        }
+
+        public SdkProto build() {
+            SdkProto sdkProto = new SdkProto();
+            sdkProto.setRqid(rqid);
+            sdkProto.setDid(did);
+            return sdkProto;
+        }
+    }
 }