update at Nov 30th

.classpath

@@ -1,18 +1,18 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/jdk1.8.0_51">
+	<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.web.container"/>
+	<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.module.container"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
+	<classpathentry kind="con" path="org.eclipse.jst.server.core.container/org.eclipse.jst.server.tomcat.runtimeTarget/Apache Tomcat v8.5">
 		<attributes>
-			<attribute name="owner.project.facets" value="java"/>
+			<attribute name="owner.project.facets" value="jst.web"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jst.server.core.container/org.eclipse.jst.server.tomcat.runtimeTarget/Apache Tomcat v6.0">
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/jdk-11.0.1">
 		<attributes>
-			<attribute name="owner.project.facets" value="jst.web"/>
+			<attribute name="owner.project.facets" value="java"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.web.container"/>
-	<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.module.container"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
 	<classpathentry kind="output" path="build/classes"/>
 </classpath>

.settings/org.eclipse.wst.common.project.facet.core.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <faceted-project>
-  <runtime name="Apache Tomcat v6.0"/>
+  <runtime name="Apache Tomcat v8.5"/>
   <fixed facet="jst.web"/>
   <fixed facet="wst.jsdt.web"/>
   <fixed facet="java"/>

build/classes/.gitignore

@@ -0,0 +1,13 @@
+/Controller/
+/DAO/
+/Factory/
+/Interfaces/
+/Listener/
+/OuterInterfaces/
+/Service/
+/ServiceImpl/
+/Units/
+/Utils/
+/WebUI/
+/domain/
+/filter/

src/DAO/BlogArticle2DB.java

@@ -13,13 +13,13 @@
 import domain.blog_index;
 import domain.blog_page;
 
-public class BlogArticle2DB implements DataObject2DB {
+public class BlogArticle2DB<T> implements DataObject2DB<T> {
 
 	@Override
 	public int getTotalRecord() {
 		String sql = "select count(*) from blog_article";
 		Object[] params = {};
-		return (int)DBUtils.query(sql, params, new IntegerHandler());
+		return (int)DBUtils.query(sql, params, new IntegerHandler<Integer>());
 	}
 
 	@Override
@@ -76,7 +76,7 @@ public blog_page selectData(int currentPage, int pageContain, int pageInFrame) {
 		}
 		String sql = "select article_id, article_content, article_title, holder_id, create_time from blog_artilce_view limit ?,?";
 		Object[] params = {start, page.getPageContain()};
-		page.setList((List) DBUtils.query(sql, params, new ListHandler(blog_article.class)));
+		page.setList(DBUtils.query(sql, params, new ListHandler<List>(blog_article.class)));
 		return page;
 	}
 
@@ -90,14 +90,14 @@ public blog_page selectIndexData(int currentPage, int pageContain, int pageInFra
 		}
 		String sql = "select article_id, article_title, holder_id, create_time from blog_artilce_view limit ?,?";
 		Object[] params = {start, page.getPageContain()};
-		page.setList((List) DBUtils.query(sql, params, new ListHandler(blog_article.class)));
+		page.setList(DBUtils.query(sql, params, new ListHandler<List>(blog_article.class)));
 		return page;
 	}
 
 	@Override
-	public Object selectByID(String id) {
+	public T selectByID(String id) {
 		String sql = "select * from blog_article where article_id=?";
 		Object[] params = {id};
-		return DBUtils.query(sql, params, new BeanHandler(blog_article.class));
+		return DBUtils.query(sql, params, new BeanHandler<T>(blog_article.class));
 	}
 }

src/DAO/BlogHolder2DB.java

@@ -13,7 +13,7 @@
 import domain.blog_holder;
 import domain.blog_page;
 
-public class BlogHolder2DB implements UserAccess2DB{
+public class BlogHolder2DB<T> implements UserAccess2DB<T>{
 
 	@Override
 	public int insertUser(Object obj) {
@@ -90,10 +90,10 @@ public int updateUser(Object obj) {
 	}
 
 	@Override
-	public Object selectUser(String name) {
+	public T selectUser(String name) {
 		String sql = "select holder_city_en,holder_city_zh,holder_email,holder_img,holder_name_en,holder_name_zh,holder_province_en,holder_province_zh,holder_pwd,holder_school_en,holder_school_year,holder_school_zh,holder_id from blog_holder where holder_name_zh=?";
 		Object[] params = {name};
-		return DBUtils.query(sql, params, new BeanHandler(blog_holder.class));
+		return DBUtils.query(sql, params, new BeanHandler<T>(blog_holder.class));
 	}
 
 	@Override
@@ -106,10 +106,10 @@ public boolean isExist(String name) {
 	}
 
 	@Override
-	public Object selectUserByIndex() {
+	public T selectUserByIndex() {
 		String sql = "select holder_city_en,holder_city_zh,holder_email,holder_img,holder_name_en,holder_name_zh,holder_province_en,holder_province_zh,holder_pwd,holder_school_en,holder_school_year,holder_school_zh,holder_id from blog_holder limit 0,1";
 		Object[] params = {};
-		return DBUtils.query(sql, params, new BeanHandler(blog_holder.class));
+		return DBUtils.query(sql, params, new BeanHandler<T>(blog_holder.class));
 	}
 
 	@Override

src/DAO/BlogIndex2DB.java

@@ -10,7 +10,7 @@
 import domain.blog_index;
 import domain.blog_page;
 
-public class BlogIndex2DB implements DataObject2DB {
+public class BlogIndex2DB<T> implements DataObject2DB<T> {
 
 	@Override
 	public int getTotalRecord() {
@@ -47,7 +47,7 @@ public blog_page selectData(int currentPage, int pageContain, int pageInFrame) {
 		}
 		String sql = "select * from blog_index_view limit ?,?";
 		Object[] params = {start, page.getPageContain()};
-		page.setList((List) DBUtils.query(sql, params, new ListHandler(blog_index.class)));
+		page.setList(DBUtils.query(sql, params, new ListHandler<List<T>>(blog_index.class)));
 		return page;
 	}
 
@@ -58,7 +58,7 @@ public blog_page selectIndexData(int currentPage, int pageContain, int pageInFra
 	}
 
 	@Override
-	public Object selectByID(String id) {
+	public T selectByID(String id) {
 		// TODO Auto-generated method stub
 		return null;
 	}

src/DAO/BlogMessage2DB.java

@@ -12,7 +12,7 @@
 import domain.blog_page;
 import domain.blog_status;
 
-public class BlogMessage2DB implements DataObject2DB {
+public class BlogMessage2DB<T> implements DataObject2DB<T> {
 
 	@Override
 	public int getTotalRecord() {
@@ -54,7 +54,7 @@ public blog_page selectData(int currentPage, int pageContain, int pageInFrame) {
 		}
 		String sql = "select * from blog_message_view limit ?,?";
 		Object[] params = {start, page.getPageContain()};
-		page.setList((List) DBUtils.query(sql, params, new ListHandler(blog_message.class)));
+		page.setList(DBUtils.query(sql, params, new ListHandler<List<T>>(blog_message.class)));
 		return page;
 	}
 
@@ -65,7 +65,7 @@ public blog_page selectIndexData(int currentPage, int pageContain, int pageInFra
 	}
 
 	@Override
-	public Object selectByID(String id) {
+	public T selectByID(String id) {
 		// TODO Auto-generated method stub
 		return null;
 	}

src/DAO/BlogNotice2DB.java

@@ -9,7 +9,7 @@
 import domain.blog_notice;
 import domain.blog_page;
 
-public class BlogNotice2DB implements DataObject2DB {
+public class BlogNotice2DB<T> implements DataObject2DB<T> {
 
 	@Override
 	public int getTotalRecord() {
@@ -48,7 +48,7 @@ public blog_page selectData(int currentPage, int pageContain, int pageInFrame) {
 		}
 		String sql = "select * from blog_notice order by publish_date desc limit ?,?";
 		Object[] params = {start, page.getPageContain()};
-		page.setList((List) DBUtils.query(sql, params, new ListHandler(blog_notice.class)));
+		page.setList(DBUtils.query(sql, params, new ListHandler<List<T>>(blog_notice.class)));
 		return page;
 	}
 
@@ -59,7 +59,7 @@ public blog_page selectIndexData(int currentPage, int pageContain, int pageInFra
 	}
 
 	@Override
-	public Object selectByID(String id) {
+	public T selectByID(String id) {
 		// TODO Auto-generated method stub
 		return null;
 	}

src/DAO/BlogStatus2DB.java

@@ -12,7 +12,7 @@
 import domain.blog_page;
 import domain.blog_status;
 
-public class BlogStatus2DB implements DataObject2DB {
+public class BlogStatus2DB<T> implements DataObject2DB<T> {
 
 	@Override
 	public int getTotalRecord() {
@@ -66,7 +66,7 @@ public blog_page selectData(int currentPage, int pageContain, int pageInFrame) {
 		}
 		String sql = "select status_id, status_content, publish_date, holder_id from blog_status_view limit ?,?";
 		Object[] params = {start, page.getPageContain()};
-		page.setList((List) DBUtils.query(sql, params, new ListHandler(blog_status.class)));
+		page.setList(DBUtils.query(sql, params, new ListHandler<List<T>>(blog_status.class)));
 		return page;
 	}
 
@@ -77,7 +77,7 @@ public blog_page selectIndexData(int currentPage, int pageContain, int pageInFra
 	}
 
 	@Override
-	public Object selectByID(String id) {
+	public T selectByID(String id) {
 		// TODO Auto-generated method stub
 		return null;
 	}

src/DAO/BlogVisit2DB.java

@@ -10,7 +10,7 @@
 import domain.blog_page;
 import domain.blog_visit;
 
-public class BlogVisit2DB implements DataObject2DB {
+public class BlogVisit2DB<T> implements DataObject2DB<T> {
 
 	@Override
 	public int getTotalRecord() {
@@ -48,7 +48,7 @@ public blog_page selectData(int currentPage, int pageContain, int pageInFrame) {
 		}
 		String sql = "select * from blog_visit_view limit ?,?";
 		Object[] params = {start, page.getPageContain()};
-		page.setList((List) DBUtils.query(sql, params, new ListHandler(blog_visit.class)));
+		page.setList(DBUtils.query(sql, params, new ListHandler<List<T>>(blog_visit.class)));
 		return page;
 	}
 
@@ -59,7 +59,7 @@ public blog_page selectIndexData(int currentPage, int pageContain, int pageInFra
 	}
 
 	@Override
-	public Object selectByID(String id) {
+	public T selectByID(String id) {
 		// TODO Auto-generated method stub
 		return null;
 	}

src/DAO/BlogVisitArticle2DB.java

@@ -10,7 +10,7 @@
 import domain.blog_visit;
 import domain.blog_visit_article;
 
-public class BlogVisitArticle2DB implements DataObject2DB{
+public class BlogVisitArticle2DB<T> implements DataObject2DB<T>{
 
 	@Override
 	public int getTotalRecord() {
@@ -50,7 +50,7 @@ public blog_page selectData(int currentPage, int pageContain, int pageInFrame) {
 		}
 		String sql = "select * from blog_article_visit_view limit ?,?";
 		Object[] params = {start, page.getPageContain()};
-		page.setList((List) DBUtils.query(sql, params, new ListHandler(blog_visit_article.class)));
+		page.setList(DBUtils.query(sql, params, new ListHandler<List<T>>(blog_visit_article.class)));
 		return page;
 	}
 
@@ -61,7 +61,7 @@ public blog_page selectIndexData(int currentPage, int pageContain, int pageInFra
 	}
 
 	@Override
-	public Object selectByID(String id) {
+	public T selectByID(String id) {
 		// TODO Auto-generated method stub
 		return null;
 	}

src/DAO/BlogVisitor2DB.java

@@ -12,7 +12,7 @@
 import domain.blog_page;
 import domain.blog_visitor;
 
-public class BlogVisitor2DB implements UserAccess2DB{
+public class BlogVisitor2DB<T> implements UserAccess2DB<T>{
 
 	@Override
 	public int insertUser(Object obj) {
@@ -41,10 +41,10 @@ public int updateUser(Object obj) {
 	}
 
 	@Override
-	public Object selectUser(String name) {
+	public T selectUser(String name) {
 		String sql = "select visitor_id,visitor_pwd,visitor_nickname,visitor_gender from blog_visitor where visitor_nickname=?";
 		Object[] params = {name};
-		return DBUtils.query(sql, params, new BeanHandler(blog_visitor.class));
+		return DBUtils.query(sql, params, new BeanHandler<T>(blog_visitor.class));
 	}
 
 	@Override
@@ -55,7 +55,7 @@ public boolean isExist(String name) {
 	}
 
 	@Override
-	public Object selectUserByIndex() {
+	public T selectUserByIndex() {
 		// TODO Auto-generated method stub
 		return null;
 	}
@@ -70,14 +70,14 @@ public blog_page selectUserByList(int currentPage, int pageContain, int pageInFr
 		}
 		String sql = "select * from blog_visitor limit ?,?";
 		Object[] params = {start, page.getPageContain()};
-		page.setList((List) DBUtils.query(sql, params, new ListHandler(blog_visitor.class)));
+		page.setList(DBUtils.query(sql, params, new ListHandler<List<T>>(blog_visitor.class)));
 		return page;
 	}
 
 	@Override
 	public int getTotalRecord() {
 		String sql = "select count(*) from blog_visitor";
 		Object[] params = {};
-		return (int)DBUtils.query(sql, params, new IntegerHandler());
+		return (int)DBUtils.query(sql, params, new IntegerHandler<Integer>());
 	}
 }

src/Interfaces/ResultSetHandler.java

@@ -2,6 +2,6 @@
 
 import java.sql.ResultSet;
 
-public interface ResultSetHandler {
-	public Object operate(ResultSet result);
+public interface ResultSetHandler<T> {
+	public <T> T operate(ResultSet result);
 }

src/Service/BlogArticle2DBService.java

@@ -6,7 +6,7 @@
 import domain.blog_page;
 
 public class BlogArticle2DBService {
-	private DataObject2DB impl = null;
+	private DataObject2DB<blog_article> impl = null;
 	public BlogArticle2DBService(){
 		impl = DataAccessFactory.getFactory("DAO.BlogArticle2DB").getImpleInstance();
 	}
@@ -40,6 +40,6 @@ public blog_page selectArticleIndex(int currentPage, int pageContain, int pageIn
 	}
 
 	public blog_article selectArticleByID(String article_id){
-		return (blog_article) impl.selectByID(article_id);
+		return impl.selectByID(article_id);
 	}
 }

src/Service/BlogHolder2DBService.java

@@ -6,7 +6,7 @@
 
 public class BlogHolder2DBService {
 
-	private UserAccess2DB impl = null;
+	private UserAccess2DB<blog_holder> impl = null;
 	public BlogHolder2DBService(){
 		impl = UserAccessFactory.getFactory("DAO.BlogHolder2DB").getImplInstance();
 	}
@@ -32,7 +32,7 @@ public boolean isExist(String name){
 	}
 
 	public blog_holder selectHolder(){
-		return (blog_holder) impl.selectUserByIndex();
+		return impl.selectUserByIndex();
 	}
 
 }

src/Service/BlogIndex2DBService.java

@@ -4,10 +4,11 @@
 
 import Factory.DataAccessFactory;
 import ServiceImpl.DataObject2DB;
+import domain.blog_index;
 import domain.blog_page;
 
 public class BlogIndex2DBService {
-	public DataObject2DB impl = null;
+	public DataObject2DB<blog_index> impl = null;
 	public BlogIndex2DBService(){
 		impl = DataAccessFactory.getFactory("DAO.BlogIndex2DB").getImpleInstance();
 	}