20170305 作业，ArrayUtil

group09/41689722.eulerlcs/2.code/.gitignore

@@ -0,0 +1,6 @@
+.metadata/
+.recommenders/
+**/.settings/
+**/target/
+**/.classpath
+**/.project

group09/41689722.eulerlcs/20170226-eulerlcs-collection/collection-aggregator/pom.xml → group09/41689722.eulerlcs/2.code/jmr-01-aggregator/pom.xml

@@ -1,13 +1,16 @@
 <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>com.eulerlcs.collection</groupId>
-	<artifactId>collection-aggregator</artifactId>
+	<groupId>com.github.eulerlcs</groupId>
+	<artifactId>jmr-01-aggregator</artifactId>
 	<version>0.0.1-SNAPSHOT</version>
 	<packaging>pom</packaging>
+	<description>eulerlcs master java road aggregator</description>
 
 	<modules>
-		<module>../collection-parent</module>
-		<module>../collection-lib</module>
+		<module>../jmr-02-parent</module>
+		<module>../jmr-11-challenge</module>
+		<module>../jmr-61-170226-collection</module>
+		<module>../jmr-61-170305-litestruts</module>
 	</modules>
 </project>

group09/41689722.eulerlcs/20170226-eulerlcs-collection/collection-parent/pom.xml → group09/41689722.eulerlcs/2.code/jmr-02-parent/pom.xml

@@ -1,23 +1,44 @@
 <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>com.eulerlcs.collection</groupId>
-	<artifactId>collection-parent</artifactId>
+	<groupId>com.github.eulerlcs</groupId>
+	<artifactId>jmr-02-parent</artifactId>
 	<version>0.0.1-SNAPSHOT</version>
 	<packaging>pom</packaging>
+	<description>eulerlcs master java road parent</description>
 
 
 	<properties>
-		<slf4j.version>1.7.23</slf4j.version>
+		<slf4j.version>1.7.24</slf4j.version>
 		<junit.version>4.12</junit.version>
 		<maven.surefire.plugin.version>2.17</maven.surefire.plugin.version>
 		<maven.compiler.target>1.8</maven.compiler.target>
 		<maven.compiler.source>1.8</maven.compiler.source>
 	</properties>
 
-
 	<dependencyManagement>
 		<dependencies>
+			<dependency>
+				<groupId>commons-digester</groupId>
+				<artifactId>commons-digester</artifactId>
+				<version>2.1</version>
+			</dependency>
+			<dependency>
+				<groupId>org.jdom</groupId>
+				<artifactId>jdom2</artifactId>
+				<version>2.0.6</version>
+			</dependency>
+			<dependency>
+				<groupId>dom4j</groupId>
+				<artifactId>dom4j</artifactId>
+				<version>1.6.1</version>
+			</dependency>
+			<dependency>
+				<groupId>org.projectlombok</groupId>
+				<artifactId>lombok</artifactId>
+				<version>1.16.14</version>
+				<scope>provided</scope>
+			</dependency>
 			<dependency>
 				<groupId>org.slf4j</groupId>
 				<artifactId>slf4j-api</artifactId>
@@ -34,10 +55,15 @@
 				<version>${junit.version}</version>
 				<scope>test</scope>
 			</dependency>
+			<dependency>
+				<groupId>com.github.stefanbirkner</groupId>
+				<artifactId>system-rules</artifactId>
+				<version>1.16.1</version>
+				<scope>test</scope>
+			</dependency>
 		</dependencies>
 	</dependencyManagement>
 
-
 	<build>
 		<pluginManagement>
 			<plugins>
@@ -94,11 +120,6 @@
 						<aggregate>true</aggregate>
 					</configuration>
 				</plugin>
-				<plugin>
-					<groupId>org.apache.maven.plugins</groupId>
-					<artifactId>maven-checkstyle-plugin</artifactId>
-					<version>2.17</version>
-				</plugin>
 			</plugins>
 		</pluginManagement>
 

group09/41689722.eulerlcs/2.code/jmr-11-challenge/data/xmlparser/hello.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<files project="demo" value="123">
+	<file dir="d:/dir01">a.txt</file>
+	<file dir="d:/dir02">b.txt</file>
+</files>

group09/41689722.eulerlcs/2.code/jmr-11-challenge/pom.xml

@@ -0,0 +1,48 @@
+<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>
+	<parent>
+		<groupId>com.github.eulerlcs</groupId>
+		<artifactId>jmr-02-parent</artifactId>
+		<version>0.0.1-SNAPSHOT</version>
+		<relativePath>../jmr-02-parent/pom.xml</relativePath>
+	</parent>
+	<artifactId>jmr-11-challenge</artifactId>
+	<description>eulerlcs master java road challenge</description>
+
+
+	<dependencies>
+		<dependency>
+			<groupId>commons-digester</groupId>
+			<artifactId>commons-digester</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.jdom</groupId>
+			<artifactId>jdom2</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>dom4j</groupId>
+			<artifactId>dom4j</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>slf4j-api</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>slf4j-log4j12</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>com.github.stefanbirkner</groupId>
+			<artifactId>system-rules</artifactId>
+		</dependency>
+	</dependencies>
+</project>

group09/41689722.eulerlcs/2.code/jmr-11-challenge/src/main/java/com/coderising/litestruts/LoginAction.java

@@ -0,0 +1,39 @@
+package com.coderising.litestruts;
+
+/**
+ * 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;
+    }
+}

group09/41689722.eulerlcs/2.code/jmr-11-challenge/src/main/java/com/coderising/litestruts/Struts.java

@@ -0,0 +1,34 @@
+package com.coderising.litestruts;
+
+import java.util.Map;
+
+
+
+public class Struts {
+
+    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。
+
+        */
+
+    	return null;
+    }    
+
+}

group09/41689722.eulerlcs/2.code/jmr-11-challenge/src/main/java/com/coderising/litestruts/StrutsTest.java

@@ -0,0 +1,43 @@
+package com.coderising.litestruts;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+
+
+
+
+public class StrutsTest {
+
+	@Test
+	public void testLoginActionSuccess() {
+
+		String actionName = "login";
+
+		Map<String,String> params = new HashMap<String,String>();
+        params.put("name","test");
+        params.put("password","1234");
+
+
+        View view  = Struts.runAction(actionName,params);        
+
+        Assert.assertEquals("/jsp/homepage.jsp", view.getJsp());
+        Assert.assertEquals("login successful", view.getParameters().get("message"));
+	}
+
+	@Test
+	public void testLoginActionFailed() {
+		String actionName = "login";
+		Map<String,String> params = new HashMap<String,String>();
+        params.put("name","test");
+        params.put("password","123456"); //密码和预设的不一致
+
+        View view  = Struts.runAction(actionName,params);        
+
+        Assert.assertEquals("/jsp/showLogin.jsp", view.getJsp());
+        Assert.assertEquals("login failed,please check your user/pwd", view.getParameters().get("message"));
+	}
+}

group09/41689722.eulerlcs/2.code/jmr-11-challenge/src/main/java/com/coderising/litestruts/View.java

@@ -0,0 +1,23 @@
+package com.coderising.litestruts;
+
+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;
+	}
+}

group09/41689722.eulerlcs/2.code/jmr-11-challenge/src/main/java/com/coderising/litestruts/struts.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<struts>
+    <action name="login" class="com.coderising.action.LoginAction">
+        <result name="success">/jsp/homepage.jsp</result>
+        <result name="fail">/jsp/showLogin.jsp</result>
+    </action>
+    <action name="logout" class="com.coderising.action.LogoutAction">
+    	<result name="success">/jsp/welcome.jsp</result>
+    	<result name="error">/jsp/error.jsp</result>
+    </action>
+</struts>

group09/41689722.eulerlcs/2.code/jmr-11-challenge/src/main/java/com/github/eulerlcs/jmr/challenge/classloader/core/FileSystemClassLoader.java

@@ -0,0 +1,58 @@
+package com.github.eulerlcs.jmr.challenge.classloader.core;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+public class FileSystemClassLoader extends ClassLoader {
+
+	private String rootDir;
+
+	public FileSystemClassLoader(String rootDir) {
+		this.rootDir = rootDir;
+	}
+
+	@Override
+	protected Class<?> findClass(String name) throws ClassNotFoundException {
+		byte[] classData = getClassData(name);
+		if (classData == null) {
+			throw new ClassNotFoundException();
+		} else {
+			return defineClass(name, classData, 0, classData.length);
+		}
+	}
+
+	private byte[] getClassData(String className) {
+		String path = classNameToPath(className);
+		InputStream ins = null;
+		try {
+			ins = new FileInputStream(path);
+			ByteArrayOutputStream baos = new ByteArrayOutputStream();
+			int bufferSize = 4096;
+			byte[] buffer = new byte[bufferSize];
+			int bytesNumRead = 0;
+			while ((bytesNumRead = ins.read(buffer)) != -1) {
+				baos.write(buffer, 0, bytesNumRead);
+			}
+			return baos.toByteArray();
+		} catch (IOException e) {
+			e.printStackTrace();
+		} finally {
+			if (ins != null) {
+				try {
+					ins.close();
+				} catch (IOException e) {
+					e.printStackTrace();
+				}
+			}
+		}
+
+		return null;
+	}
+
+	private String classNameToPath(String className) {
+		return rootDir + File.separatorChar + className.replace('.', File.separatorChar) + ".class";
+	}
+}

group09/41689722.eulerlcs/2.code/jmr-11-challenge/src/main/java/com/github/eulerlcs/jmr/challenge/classloader/core/ICalculator.java

@@ -0,0 +1,5 @@
+package com.github.eulerlcs.jmr.challenge.classloader.core;
+
+public interface ICalculator extends Versioned {
+	String calculate(String expression);
+}