From 1b26cc8d09cd5da97f80100ca2435ce296838685 Mon Sep 17 00:00:00 2001
From: Ravi Srinivasan <rsriniva@redhat.com>
Date: Thu, 06 Sep 2018 13:56:51 +0200
Subject: [PATCH] Code for GE in Chap 1
---
labs/todojse/src/main/java/com/redhat/training/TodoMap.java | 88 +++++++++++++++++
labs/todojse/.gitignore | 4
labs/todojse/pom.xml | 63 ++++++++++++
labs/todojse/src/main/java/com/redhat/training/TestTodoMap.java | 73 ++++++++++++++
labs/todojse/src/main/java/com/redhat/training/TodoItem.java | 35 +++++++
labs/todojse/src/main/java/com/redhat/training/Status.java | 5 +
solutions/.gitkeep | 0
7 files changed, 268 insertions(+), 0 deletions(-)
diff --git a/labs/todojse/.gitignore b/labs/todojse/.gitignore
new file mode 100644
index 0000000..4d7b35b
--- /dev/null
+++ b/labs/todojse/.gitignore
@@ -0,0 +1,4 @@
+.project
+.classpath
+.settings
+target
diff --git a/labs/todojse/pom.xml b/labs/todojse/pom.xml
new file mode 100644
index 0000000..0268117
--- /dev/null
+++ b/labs/todojse/pom.xml
@@ -0,0 +1,63 @@
+
+<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.redhat.training</groupId>
+ <artifactId>todojse</artifactId>
+ <version>1.0</version>
+ <packaging>jar</packaging>
+ <properties>
+ <!-- Explicitly declaring the source encoding eliminates the following
+ message: -->
+ <!-- [WARNING] Using platform encoding (UTF-8 actually) to copy filtered
+ resources, i.e. build is platform dependent! -->
+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+ <!-- maven-compiler-plugin -->
+ <maven.compiler.target>1.8</maven.compiler.target>
+ <maven.compiler.source>1.8</maven.compiler.source>
+ </properties>
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>exec-maven-plugin</artifactId>
+ <version>1.5.0</version>
+ <executions>
+ <execution>
+ <goals>
+ <goal>java</goal>
+ </goals>
+ </execution>
+ </executions>
+ <configuration>
+ <mainClass>com.redhat.training.TestTodoMap</mainClass>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-assembly-plugin</artifactId>
+ <version>2.6</version>
+ <executions>
+ <execution>
+ <id>package-jar-with-dependencies</id>
+ <phase>package</phase>
+ <goals>
+ <goal>single</goal>
+ </goals>
+ <configuration>
+ <appendAssemblyId>false</appendAssemblyId>
+ <descriptorRefs>
+ <descriptorRef>jar-with-dependencies</descriptorRef>
+ </descriptorRefs>
+ <archive>
+ <manifest>
+ <mainClass>com.redhat.training.TestTodoMap</mainClass>
+ </manifest>
+ </archive>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+</project>
diff --git a/labs/todojse/src/main/java/com/redhat/training/Status.java b/labs/todojse/src/main/java/com/redhat/training/Status.java
new file mode 100644
index 0000000..f78de89
--- /dev/null
+++ b/labs/todojse/src/main/java/com/redhat/training/Status.java
@@ -0,0 +1,5 @@
+package com.redhat.training;
+
+public enum Status {
+ PENDING, COMPLETED
+}
diff --git a/labs/todojse/src/main/java/com/redhat/training/TestTodoMap.java b/labs/todojse/src/main/java/com/redhat/training/TestTodoMap.java
new file mode 100644
index 0000000..f96ab4a
--- /dev/null
+++ b/labs/todojse/src/main/java/com/redhat/training/TestTodoMap.java
@@ -0,0 +1,73 @@
+package com.redhat.training;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+public class TestTodoMap {
+ public static void main(String[] args) {
+ TodoMap testMap=new TodoMap();
+
+ boolean timeToQuit = false;
+ BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
+ do {
+ try {
+ timeToQuit = executeMenu(in, testMap);
+ } catch (IOException e) {
+ System.out.println("Could not read the input");
+ }
+ } while (!timeToQuit);
+
+ }
+
+ public static boolean executeMenu(BufferedReader in, TodoMap todo) throws IOException {
+
+ String action;
+ int id;
+
+ System.out.println("\n\n[N]ew | [C]omplete | [R]ead | [D]elete | [L]ist | [Q]uit: ");
+ action = in.readLine();
+ if ((action.length() == 0) || action.toUpperCase().charAt(0) == 'Q') {
+ return true;
+ }
+
+ switch (action.toUpperCase().charAt(0)) {
+ // Create a new todo record
+ case 'N':
+ todo.addTodo();
+ System.out.println("Successfully added new todo item: ");
+ break;
+
+ // Display an todo record
+ case 'R':
+ System.out.println("Enter int value for item id: ");
+ id = new Integer(in.readLine().trim());
+ todo.findItemTodo(id);
+ break;
+
+ // Mark an existing task as completed
+ case 'C':
+ System.out.println("Enter int value for item id: ");
+ id = new Integer(in.readLine().trim());
+ todo.completeTodo(id);
+ break;
+
+
+ // Delete an todo record
+ case 'D':
+ System.out.println("Enter int value for item id: ");
+ id = new Integer(in.readLine().trim());
+ todo.deleteTodo(id);
+ System.out.println("Deleted item " + id);
+ break;
+
+ // Display a list (Read the records) of todo
+ case 'L':
+ todo.printTodo();
+ break;
+ }
+
+ return false;
+ }
+
+ }
diff --git a/labs/todojse/src/main/java/com/redhat/training/TodoItem.java b/labs/todojse/src/main/java/com/redhat/training/TodoItem.java
new file mode 100644
index 0000000..24b6cf5
--- /dev/null
+++ b/labs/todojse/src/main/java/com/redhat/training/TodoItem.java
@@ -0,0 +1,35 @@
+package com.redhat.training;
+
+public class TodoItem {
+
+ private String item;
+ private String status;
+
+ public TodoItem(String item,String status)
+ {
+ this.item=item;
+ this.status=status;
+ }
+ public TodoItem()
+ {
+
+ }
+
+ public String getItem() {
+ return item;
+ }
+
+ public void setItem(String item) {
+ this.item = item;
+ }
+
+ public String getStatus() {
+ return status;
+ }
+
+ public void setStatus(String status) {
+ this.status = status;
+ }
+
+
+}
diff --git a/labs/todojse/src/main/java/com/redhat/training/TodoMap.java b/labs/todojse/src/main/java/com/redhat/training/TodoMap.java
new file mode 100644
index 0000000..9aa2eda
--- /dev/null
+++ b/labs/todojse/src/main/java/com/redhat/training/TodoMap.java
@@ -0,0 +1,88 @@
+package com.redhat.training;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Scanner;
+
+public class TodoMap {
+
+ Map<Integer, TodoItem> todoMap;
+ static Integer count = 0;
+ TodoItem item;
+ Scanner scn;
+
+ public TodoMap() {
+ this.todoMap = new HashMap<Integer,TodoItem>();
+ }
+
+ public void addTodo() {
+ String ans = "Y";
+ do {
+
+ item = new TodoItem();
+ count++;
+ scn = new Scanner(System.in);
+ System.out.println("Enter item description:");
+ item.setItem(scn.nextLine());
+ System.out.println("Is todo item completed? [Y/N]:");
+ String state = scn.nextLine();
+ String status = "";
+
+ if (state.toUpperCase().charAt(0) == 'Y')
+ status = Status.COMPLETED.toString();
+ else
+ status = Status.PENDING.toString();
+
+ item.setStatus(status);
+ todoMap.put(new Integer(count), item);
+ System.out.println("Do you want to add more items[Y/N]");
+ ans = scn.next().toUpperCase();
+
+ } while(ans.equalsIgnoreCase("Y"));
+
+ }
+
+ public void printTodo() {
+ System.out.println("---- There are " + todoMap.size() + " items in the list ----");
+ for (Integer key : todoMap.keySet()) {
+ System.out
+ .println(key + " - " + todoMap.get(key).getItem() + " - " + todoMap.get(key).getStatus());
+ }
+
+ }
+
+ public void completeTodo(int key) {
+
+ if (todoMap.get(key).getStatus().equals(Status.COMPLETED.toString()))
+ {
+ System.out.println("This item is already COMPLETED.\n");
+ }
+ else
+ {
+ item = new TodoItem();
+ String i = todoMap.get(key).getItem();
+ item.setItem(i);
+ item.setStatus(Status.COMPLETED.toString());
+ todoMap.replace(key, item);
+ System.out.println("Marked item #" +key+ " as COMPLETE.\n");
+ printTodo();
+ }
+ }
+
+
+ public void deleteTodo(int id) {
+
+ System.out.println("Enter id of item to be deleted");
+ scn = new Scanner(System.in);
+ todoMap.remove(id);
+ System.out.println("Item removed\n");
+
+ }
+
+ public void findItemTodo(int id) {
+ System.out.println("\n");
+ System.out.println(id + " - " + todoMap.get(id).getItem() + " - " + todoMap.get(id).getStatus());
+
+ }
+
+}
diff --git a/solutions/.gitkeep b/solutions/.gitkeep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/solutions/.gitkeep
--
Gitblit v1.9.3