Merge pull request #27 from xiaomingbai/master

1.convert to maven; 2.add struts
onlyliuxin · Mar 6, 2017 · 62463de · 62463de
2 parents 2b9ecdf + b26eaec
commit 62463de
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Showing 12 changed files with 934 additions and 5 deletions.
diff --git a/group04/498654356/one/.classpath b/group04/498654356/one/.classpath
@@ -1,8 +1,27 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="src" path="test"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
-	<classpathentry kind="output" path="bin"/>
+	<classpathentry including="**/*.java" kind="src" output="target/classes" path="src">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="test">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="test_resource"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
 </classpath>
diff --git a/group04/498654356/one/.project b/group04/498654356/one/.project
@@ -10,8 +10,14 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
 		<nature>org.eclipse.jdt.core.javanature</nature>
 	</natures>
 </projectDescription>
diff --git a/group04/498654356/one/pom.xml b/group04/498654356/one/pom.xml
@@ -0,0 +1,45 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>498654356Learning_one</groupId>
+  <artifactId>498654356Learning_one</artifactId>
+  <version>0.0.1-SNAPSHOT</version>
+  <build>
+    <sourceDirectory>src</sourceDirectory>
+    <testSourceDirectory>test</testSourceDirectory>
+    <resources>
+      <resource>
+        <directory>src</directory>
+        <excludes>
+          <exclude>**/*.java</exclude>
+        </excludes>
+      </resource>
+    </resources>
+    <plugins>
+      <plugin>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.5.1</version>
+        <configuration>
+          <source/>
+          <target/>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
+
+    <dependencies>
+	    <dependency>
+	      <groupId>junit</groupId>
+	      <artifactId>junit</artifactId>
+	      <version>4.12</version>
+	      <scope>test</scope>
+	    </dependency>
+	   <!-- https://mvnrepository.com/artifact/dom4j/dom4j -->
+		<dependency>
+		    <groupId>dom4j</groupId>
+		    <artifactId>dom4j</artifactId>
+		    <version>1.6.1</version>
+		</dependency>
+
+  </dependencies>
+</project>
diff --git a/group04/498654356/one/src/org/coding/two/ActionBeanDefinition.java b/group04/498654356/one/src/org/coding/two/ActionBeanDefinition.java
@@ -0,0 +1,66 @@
+package org.coding.two;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 封装 Struts.xml 中 action 标签
+ */
+public class ActionBeanDefinition {
+	public static final String TAG_ACTION = "action";
+	public static final String TAG_RESULT = "result";
+	public static final String TAG_ACTION_ATTR_NAME = "name";
+	public static final String TAG_ACTION_ATTR_CLASS = "class";
+	public static final String TAG_RESULT_ATTR_NAME = "name";
+	public static final String DEFAULT_RESOURCE = "org/coding/two/struts.xml";
+
+	private String name;
+
+	private String className;
+
+	private Map<String, String> resultMap;
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public String getClassName() {
+		return className;
+	}
+
+	public void setClassName(String className) {
+		this.className = className;
+	}
+
+	public Map<String, String> getResultMap() {
+		return resultMap;
+	}
+
+	public ActionBeanDefinition(String name, String className) {
+		super();
+		this.name = name;
+		this.className = className;
+		this.resultMap = new HashMap<String, String>();
+	}
+
+	/**
+	 * 
+	 * @param name	result 标签的 name 属性值
+	 * @param viewPath	result 标签的视图路径
+	 */
+	public void putResult(String name, String viewPath) {
+		this.resultMap.put(name, viewPath);
+//		this.resultMap.put("name", name);
+//		this.resultMap.put("view", viewPath);
+	}
+
+	@Override
+	public String toString() {
+		return "ActionBeanDefinition [name=" + name + ", className=" + className + ", resultMap=" + resultMap + "]";
+	}
+
+}
diff --git a/group04/498654356/one/src/org/coding/two/LoginAction.java b/group04/498654356/one/src/org/coding/two/LoginAction.java
@@ -0,0 +1,45 @@
+package org.coding.two;
+
+/**
+ * 这是一个用来展示登录的业务类， 其中的用户名和密码都是硬编码的。
+ * @author liuxin
+ *
+ */
+public class LoginAction{
+    private String name ;
+    private String password;
+    private String message;
+
+    public String getName() {
+        return name;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public String execute(){
+            if("test".equals(name) && "1234".equals(password)){
+                this.message = "login successful";
+                return "success";
+            }
+            this.message = "login failed,please check your user/pwd";
+            return "fail";
+    }
+
+    public void setName(String name){
+        this.name = name;
+    }
+    public void setPassword(String password){
+        this.password = password;
+    }
+    public String getMessage(){
+        return this.message;
+    }
+
+	@Override
+	public String toString() {
+		return "LoginAction [name=" + name + ", password=" + password + ", message=" + message + "]";
+	}
+
+}
diff --git a/group04/498654356/one/src/org/coding/two/Struts.java b/group04/498654356/one/src/org/coding/two/Struts.java
@@ -0,0 +1,150 @@
+package org.coding.two;	
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.dom4j.Document;
+import org.dom4j.DocumentException;
+import org.dom4j.Element;
+import org.dom4j.io.SAXReader;
+
+
+
+public class Struts {
+
+    private static final String METHOD_SET = "set";
+	private static final String METHOD_GET = "get";
+	private static Map<String, ActionBeanDefinition> actionDefinitionMap =  new HashMap<String, ActionBeanDefinition>();
+
+    static {
+    	//0
+    	parseXml();
+    }
+
+    @SuppressWarnings("unchecked")
+	public static void parseXml(){
+    	SAXReader reader = new SAXReader();
+    	Document document = null;
+		String path = Struts.class.getClassLoader().getResource("").getPath();
+		try {
+			document = reader.read(path + ActionBeanDefinition.DEFAULT_RESOURCE);
+		} catch (DocumentException e) {
+			throw new RuntimeException(e);
+		}
+    	Element struts = document.getRootElement();
+    	List<Element> actions = struts.elements(ActionBeanDefinition.TAG_ACTION);
+    	for (Element element : actions) {
+    		String name = element.attributeValue(ActionBeanDefinition.TAG_ACTION_ATTR_NAME);
+    		String className = element.attributeValue(ActionBeanDefinition.TAG_ACTION_ATTR_CLASS);
+    		List<Element> results = element.elements(ActionBeanDefinition.TAG_RESULT);
+    		ActionBeanDefinition beanDefinition = new ActionBeanDefinition(name, className);
+    		for (Element result : results) {
+    			beanDefinition.putResult(result.attributeValue(ActionBeanDefinition.TAG_RESULT_ATTR_NAME), result.getTextTrim());
+			}
+    		actionDefinitionMap.put(name, beanDefinition);
+		}
+//    	System.out.println(actionDefinitionMap);
+    }
+
+    public static View runAction(String actionName, Map<String,String> parameters) {
+
+        /*
+         
+		0. 读取配置文件struts.xml
+ 		
+ 		1. 根据actionName找到相对应的class ， 例如LoginAction,   通过反射实例化（创建对象）
+		据parameters中的数据，调用对象的setter方法， 例如parameters中的数据是 
+		("name"="test" ,  "password"="1234") ,     	
+		那就应该调用 setName和setPassword方法
+		
+		2. 通过反射调用对象的exectue 方法， 并获得返回值，例如"success"
+		
+		3. 通过反射找到对象的所有getter方法（例如 getMessage）,  
+		通过反射来调用， 把值和属性形成一个HashMap , 例如 {"message":  "登录成功"} ,  
+		放到View对象的parameters
+		
+		4. 根据struts.xml中的 <result> 配置,以及execute的返回值，  确定哪一个jsp，  
+		放到View对象的jsp字段中。
+        
+        */
+
+    	if(!actionDefinitionMap.containsKey(actionName)) {
+    		throw new RuntimeException("does not exist action : " + actionName);
+    	}
+    	ActionBeanDefinition beanDefinition = actionDefinitionMap.get(actionName);
+    	try {
+    		//1
+			Class<?> bean = Class.forName(beanDefinition.getClassName());
+			Object instance = bean.newInstance();
+			Set<String> keySet = parameters.keySet();
+			for (String key : keySet) {
+				Method method = bean.getMethod(getSetMethodName(key), new Class[]{String.class});
+				method.invoke(instance, parameters.get(key));
+			}
+//			System.out.println(instance);
+			//2
+			Method method = bean.getMethod("execute");
+			Object result = method.invoke(instance);
+
+			//3
+			Method[] methods = bean.getMethods();
+			Map<String, Object> parameterss = new HashMap<String, Object>(); 
+			for (Method m : methods) {
+				String methodName = m.getName();
+				if(methodName.contains(METHOD_GET)) {
+					String para = getPropNameByMethoedName(methodName);
+					parameterss.put(para, m.invoke(instance));
+				}
+			}
+			View view = new View();
+			view.setParameters(parameterss);
+//			System.out.println(parameterss);
+			//4
+			String jsp = actionDefinitionMap.get(actionName).getResultMap().get(result);
+			view.setJsp(jsp);
+			return view;
+
+		} catch (ClassNotFoundException e) {
+			e.printStackTrace();
+		} catch (InstantiationException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} catch (IllegalAccessException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} catch (NoSuchMethodException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} catch (SecurityException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} catch (IllegalArgumentException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} catch (InvocationTargetException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+
+
+    	return null;
+    }    
+
+
+    private static String getPropNameByMethoedName(String methodName) {
+    	String prop = null;
+    	if(methodName.contains(METHOD_GET)){
+    		String s = methodName.substring(3);
+    		prop = s.substring(0, 1).toLowerCase() + s.substring(1);
+    	}
+		return prop;
+	}
+
+	private static String getSetMethodName(String para) {
+		return METHOD_SET + para.substring(0, 1).toUpperCase() + para.substring(1);
+	}
+}
diff --git a/group04/498654356/one/src/org/coding/two/View.java b/group04/498654356/one/src/org/coding/two/View.java
@@ -0,0 +1,23 @@
+package org.coding.two;
+
+import java.util.Map;
+
+public class View {
+	private String jsp;
+	private Map parameters;
+
+	public String getJsp() {
+		return jsp;
+	}
+	public View setJsp(String jsp) {
+		this.jsp = jsp;
+		return this;
+	}
+	public Map getParameters() {
+		return parameters;
+	}
+	public View setParameters(Map parameters) {
+		this.parameters = parameters;
+		return this;
+	}
+}