feat(*): add relate

Author: shawnxie94

README.md

@@ -2,6 +2,9 @@
 [![Java support](https://img.shields.io/badge/Java-8-green?logo=java&logoColor=white)](https://openjdk.java.net/)
 [![License](https://img.shields.io/badge/license-MIT-blue?logo=opensourceinitiative&logoColor=white)](https://opensource.org/licenses/MIT)
 
+本项目为GitBook: 《 [Code-Visualization](https://xiexiao064.gitbook.io/code-visualization) 》的实践案例，想了解更多代码可视化的相关知识推荐阅读此书籍。
+
+## 项目概述
 > Java implementation of CallGraph.
 
 CG的Java实现方式。采用源码静态分析方式，提供静态调用关系图生产和代码变更影响面分析能力。

src/main/java/com/analysis/cg/core/source/StaticAnalysisService.java

@@ -117,30 +117,35 @@ public Set<String> codeChangeMethods(String gitPath, String diffBranchName) {
             }
 
             // diff
-            PrinterConfiguration printerConfiguration = new DefaultPrinterConfiguration()
-                    .removeOption(new DefaultConfigurationOption(DefaultPrinterConfiguration.ConfigOption.PRINT_COMMENTS))
-                    .removeOption(new DefaultConfigurationOption(DefaultPrinterConfiguration.ConfigOption.PRINT_JAVADOC));
-            DefaultPrettyPrinter printer = new DefaultPrettyPrinter(printerConfiguration);
-            Set<String> changeMethods = Sets.newHashSet();
-            oldMethodDeclarations.forEach((s, methodDeclaration) -> {
-                MethodDeclaration newMethodDeclaration = newMethodDeclarations.get(s);
-                if (null == newMethodDeclaration) {
-                    changeMethods.add(s);
-                    return;
-                }
-                String oldMethodBodyStr = printer.print(methodDeclaration.getBody().get());
-                String newMethodBodyStr = printer.print(newMethodDeclaration.getBody().get());
-                if (!StringUtils.equals(oldMethodBodyStr, newMethodBodyStr)) {
-                    changeMethods.add(s);
-                }
-            });
-            return changeMethods;
+            return findChangeMethods(oldMethodDeclarations, newMethodDeclarations);
         } catch (Exception e) {
             log.error("CodeDomainService getBranchFileDiffInfo error, gitPath:{}", gitPath, e);
             return Collections.emptySet();
         }
     }
 
+    private static Set<String> findChangeMethods(Map<String, MethodDeclaration> oldMethodDeclarations,
+                                                 Map<String, MethodDeclaration> newMethodDeclarations) {
+        PrinterConfiguration printerConfiguration = new DefaultPrinterConfiguration()
+                .removeOption(new DefaultConfigurationOption(DefaultPrinterConfiguration.ConfigOption.PRINT_COMMENTS))
+                .removeOption(new DefaultConfigurationOption(DefaultPrinterConfiguration.ConfigOption.PRINT_JAVADOC));
+        DefaultPrettyPrinter printer = new DefaultPrettyPrinter(printerConfiguration);
+        Set<String> changeMethods = Sets.newHashSet();
+        oldMethodDeclarations.forEach((s, methodDeclaration) -> {
+            MethodDeclaration newMethodDeclaration = newMethodDeclarations.get(s);
+            if (null == newMethodDeclaration) {
+                changeMethods.add(s);
+                return;
+            }
+            String oldMethodBodyStr = printer.print(methodDeclaration.getBody().get());
+            String newMethodBodyStr = printer.print(newMethodDeclaration.getBody().get());
+            if (!StringUtils.equals(oldMethodBodyStr, newMethodBodyStr)) {
+                changeMethods.add(s);
+            }
+        });
+        return changeMethods;
+    }
+
     private Map<String, MethodDeclaration> getAllMethodDeclaration(String projectRootPath, String path) throws FileNotFoundException {
         CompilationUnit cu = StaticJavaParser.parse(new File(projectRootPath + "/" + path));
         List<ClassOrInterfaceDeclaration> classDeclarations = cu.findAll(ClassOrInterfaceDeclaration.class);