1、打包时自动生成版本信息及git提交信息；2、优化swagger对版本信息的获取

kafka-manager-common/src/main/java/com/xiaojukeji/kafka/manager/common/utils/GitPropUtil.java

@@ -0,0 +1,67 @@
+package com.xiaojukeji.kafka.manager.common.utils;
+
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.BufferedReader;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.Properties;
+
+public class GitPropUtil {
+    private static final Logger log = LoggerFactory.getLogger(GitPropUtil.class);
+
+    private static Properties props = null;
+
+    public static final String VERSION_FIELD_NAME = "git.build.version";
+
+    public static final String COMMIT_ID_FIELD_NAME = "git.commit.id.abbrev";
+
+    public static String getProps(String fieldName) {
+        if (props == null) {
+            props = JsonUtils.stringToObj(readGitPropertiesInJarFile(), Properties.class);
+        }
+
+        return props.getProperty(fieldName);
+    }
+
+    public static Properties getProps() {
+        if (props == null) {
+            props = JsonUtils.stringToObj(readGitPropertiesInJarFile(), Properties.class);
+        }
+
+        return props;
+    }
+
+    private static String readGitPropertiesInJarFile() {
+        InputStream inputStream = null;
+        try {
+            inputStream = GitPropUtil.class.getClassLoader().getResourceAsStream("git.properties");
+
+            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
+            String line = null;
+
+            StringBuilder sb = new StringBuilder();
+            while ((line = bufferedReader.readLine()) != null) {
+                sb.append(line).append("\n");
+            }
+            return sb.toString();
+        } catch (Exception e) {
+            log.error("method=readGitPropertiesInJarFile||errMsg=exception.", e);
+        } finally {
+            try {
+                if (inputStream != null) {
+                    inputStream.close();
+                }
+            } catch (Exception e) {
+                log.error("method=readGitPropertiesInJarFile||msg=close failed||errMsg=exception.", e);
+            }
+        }
+
+        return "{}";
+    }
+
+    private GitPropUtil() {
+    }
+}