jdt之java源文件解析

1. <dependency> 
2.             <groupId>org.eclipse.tycho</groupId> 
3.             <artifactId>org.eclipse.jdt.core</artifactId> 
4.             <version>3.6.2.v_A76_R36x</version> 
5.         </dependency> 
6.         <dependency> 
7.             <groupId>org.eclipse.core</groupId> 
8.             <artifactId>org.eclipse.core.jobs</artifactId> 
9.             <version>3.5.0.v20100515</version> 
10.         </dependency> 
11.         <dependency> 
12.             <groupId>org.eclipse.core</groupId> 
13.             <artifactId>org.eclipse.core.contenttype</artifactId> 
14.             <version>3.4.100.v20100505-1235</version> 
15.         </dependency> 
16.         <dependency> 
17.             <groupId>org.eclipse.core</groupId> 
18.             <artifactId>org.eclipse.core.resources</artifactId> 
19.             <version>3.6.0.v20100526-0737</version> 
20.         </dependency> 
21.         <dependency> 
22.             <groupId>org.eclipse.core</groupId> 
23.             <artifactId>org.eclipse.core.runtime</artifactId> 
24.             <version>3.6.0.v20100505</version> 
25.         </dependency> 
26.         <dependency> 
27.             <groupId>org.eclipse.osgi</groupId> 
28.             <artifactId>org.eclipse.osgi</artifactId> 
29.             <version>3.6.0.v20100517</version> 
30.         </dependency> 

 MethodDeclaration:
    [ Javadoc ] { Modifier } ( Type | void ) Identifier (
        [ FormalParameter 
 		     { , FormalParameter } ] ) {[ ] }
        [ throws TypeName { , TypeName } ] ( Block | ; )
 ConstructorDeclaration:
    [ Javadoc ] { Modifier } Identifier (
 		  [ FormalParameter
 			 { , FormalParameter } ] )
        [throws TypeName { , TypeName } ] Block
 

 MethodDeclaration:
    [ Javadoc ] { ExtendedModifier }
		  [ < TypeParameter { , TypeParameter } > ]
        ( Type | void ) Identifier (
        [ FormalParameter 
 		     { , FormalParameter } ] ) {[ ] }
        [ throws TypeName { , TypeName } ] ( Block | ; )
 ConstructorDeclaration:
    [ Javadoc ] { ExtendedModifier } Identifier (
 		  [ FormalParameter
 			 { , FormalParameter } ] )

1. import java.io.File; 
2. import java.io.FileInputStream; 
3. import java.io.IOException; 
4. import java.util.List; 
5.  
6. import org.eclipse.jdt.core.dom.AST; 
7. import org.eclipse.jdt.core.dom.ASTParser; 
8. import org.eclipse.jdt.core.dom.CompilationUnit; 
9. import org.eclipse.jdt.core.dom.FieldDeclaration; 
10. import org.eclipse.jdt.core.dom.ImportDeclaration; 
11. import org.eclipse.jdt.core.dom.MethodDeclaration; 
12. import org.eclipse.jdt.core.dom.Modifier; 
13. import org.eclipse.jdt.core.dom.PackageDeclaration; 
14. import org.eclipse.jdt.core.dom.TypeDeclaration; 
15. import org.eclipse.jdt.core.dom.VariableDeclarationFragment; 

1. public static void main(String[] args) throws Exception { 
2.       String content = read("D:\\HelloWorld.java"); //java源文件
3.       //创建解析器  
4.       ASTParser parsert = ASTParser.newParser(AST.JLS3); 
5.       //设定解析器的源代码字符  
6.       parsert.setSource(content.toCharArray()); 
7.       //使用解析器进行解析并返回AST上下文结果(CompilationUnit为根节点)  
8.       CompilationUnit result = (CompilationUnit) parsert.createAST(null); 
9.  
10.       //获取类型  
11.       List types = result.types(); 
12.       //取得类型声明  
13.       TypeDeclaration typeDec = (TypeDeclaration) types.get(0); 
14.  
15.       //##############获取源代码结构信息#################  
16.       //引用import  
17.       List importList = result.imports(); 
18.       //取得包名  
19.       PackageDeclaration packetDec = result.getPackage(); 
20.       //取得类名  
21.       String className = typeDec.getName().toString(); 
22.       //取得函数(Method)声明列表  
23.       MethodDeclaration methodDec[] = typeDec.getMethods(); 
24.       //取得函数(Field)声明列表  
25.       FieldDeclaration fieldDec[] = typeDec.getFields(); 
26.  
27.       //输出包名  
28.       System.out.println("包:"); 
29.       System.out.println(packetDec.getName()); 
30.       //输出引用import  
31.       System.out.println("引用import:"); 
32.       for (Object obj : importList) { 
33.           ImportDeclaration importDec = (ImportDeclaration) obj; 
34.           System.out.println(importDec.getName()); 
35.       } 
36.       //输出类名  
37.       System.out.println("类:"); 
38.       System.out.println(className); 
39.       //循环输出函数名称  
40.       System.out.println("========================"); 
41.       System.out.println("函数:"); 
42.       for (MethodDeclaration method : methodDec) { 
43.          /* System.out.println(method.getName()); 
44.           System.out.println("body:"); 
45.           System.out.println(method.getBody()); 
46.           System.out.println("Javadoc:" + method.getJavadoc()); 
47.  
48.           System.out.println("Body:" + method.getBody()); 
49.  
50.           System.out.println("ReturnType:" + method.getReturnType());*/ 
51.           System.out.println("============="); 
52.           System.out.println(method); 
53.       } 
54.  
55.       //循环输出变量  
56.       System.out.println("变量:"); 
57.       for (FieldDeclaration fieldDecEle : fieldDec) { 
58.           //public static  
59.           for (Object modifiObj : fieldDecEle.modifiers()) { 
60.               Modifier modify = (Modifier) modifiObj; 
61.               System.out.print(modify + "-"); 
62.           } 
63.           System.out.println(fieldDecEle.getType()); 
64.           for (Object obj : fieldDecEle.fragments()) { 
65.               VariableDeclarationFragment frag = (VariableDeclarationFragment) obj; 
66.               System.out.println("[FIELD_NAME:]" + frag.getName()); 
67.           } 
68.       } 
69.   } 
70.  
71.   private static String read(String filename) throws IOException { 
72.       File file = new File(filename); 
73.       byte[] b = new byte[(int) file.length()]; 
74.       FileInputStream fis = new FileInputStream(file); 
75.       fis.read(b); 
76.       return new String(b); 
77.  
78.   } 

1. 函数: 
2. ============= 
3. /**  
4.  * 测试相关类 jdt api测试 
5.  * @param null 
6.  * @expected 1 
7.  */ 
8. @Test public void test1(){ 
9.   assertEquals(1,1); 
10. } 
11.  
12. ============= 
13. /**  
14.  * 测试ignore情况 
15.  */ 
16. @Test @Ignore public void test2(){ 
17.   assertEquals(1,1); 
18. }