diff --git a/abstractfactoryguru/.gitignore b/abstractfactoryguru/.gitignore
new file mode 100644
index 0000000..5ff6309
--- /dev/null
+++ b/abstractfactoryguru/.gitignore
@@ -0,0 +1,38 @@
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
\ No newline at end of file
diff --git a/abstractfactoryguru/.idea/.gitignore b/abstractfactoryguru/.idea/.gitignore
new file mode 100644
index 0000000..13566b8
--- /dev/null
+++ b/abstractfactoryguru/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/abstractfactoryguru/.idea/misc.xml b/abstractfactoryguru/.idea/misc.xml
new file mode 100644
index 0000000..87a20fc
--- /dev/null
+++ b/abstractfactoryguru/.idea/misc.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/abstractfactoryguru/.idea/vcs.xml b/abstractfactoryguru/.idea/vcs.xml
new file mode 100644
index 0000000..6c0b863
--- /dev/null
+++ b/abstractfactoryguru/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/abstractfactoryguru/.mvn/wrapper/maven-wrapper.jar b/abstractfactoryguru/.mvn/wrapper/maven-wrapper.jar
new file mode 100644
index 0000000..c1dd12f
Binary files /dev/null and b/abstractfactoryguru/.mvn/wrapper/maven-wrapper.jar differ
diff --git a/abstractfactoryguru/.mvn/wrapper/maven-wrapper.properties b/abstractfactoryguru/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 0000000..40ca015
--- /dev/null
+++ b/abstractfactoryguru/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.5/apache-maven-3.8.5-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar
\ No newline at end of file
diff --git a/abstractfactoryguru/mvnw b/abstractfactoryguru/mvnw
new file mode 100644
index 0000000..8a8fb22
--- /dev/null
+++ b/abstractfactoryguru/mvnw
@@ -0,0 +1,316 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+# JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+# M2_HOME - location of maven2's installed home dir
+# MAVEN_OPTS - parameters passed to the Java VM when running Maven
+# e.g. to debug Maven itself, use
+# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+ if [ -f /usr/local/etc/mavenrc ] ; then
+ . /usr/local/etc/mavenrc
+ fi
+
+ if [ -f /etc/mavenrc ] ; then
+ . /etc/mavenrc
+ fi
+
+ if [ -f "$HOME/.mavenrc" ] ; then
+ . "$HOME/.mavenrc"
+ fi
+
+fi
+
+# OS specific support. $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+ CYGWIN*) cygwin=true ;;
+ MINGW*) mingw=true;;
+ Darwin*) darwin=true
+ # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+ # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+ if [ -z "$JAVA_HOME" ]; then
+ if [ -x "/usr/libexec/java_home" ]; then
+ export JAVA_HOME="`/usr/libexec/java_home`"
+ else
+ export JAVA_HOME="/Library/Java/Home"
+ fi
+ fi
+ ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+ if [ -r /etc/gentoo-release ] ; then
+ JAVA_HOME=`java-config --jre-home`
+ fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+ ## resolve links - $0 may be a link to maven's home
+ PRG="$0"
+
+ # need this for relative symlinks
+ while [ -h "$PRG" ] ; do
+ ls=`ls -ld "$PRG"`
+ link=`expr "$ls" : '.*-> \(.*\)$'`
+ if expr "$link" : '/.*' > /dev/null; then
+ PRG="$link"
+ else
+ PRG="`dirname "$PRG"`/$link"
+ fi
+ done
+
+ saveddir=`pwd`
+
+ M2_HOME=`dirname "$PRG"`/..
+
+ # make it fully qualified
+ M2_HOME=`cd "$M2_HOME" && pwd`
+
+ cd "$saveddir"
+ # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+ [ -n "$M2_HOME" ] &&
+ M2_HOME=`cygpath --unix "$M2_HOME"`
+ [ -n "$JAVA_HOME" ] &&
+ JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+ [ -n "$CLASSPATH" ] &&
+ CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+ [ -n "$M2_HOME" ] &&
+ M2_HOME="`(cd "$M2_HOME"; pwd)`"
+ [ -n "$JAVA_HOME" ] &&
+ JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+ javaExecutable="`which javac`"
+ if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+ # readlink(1) is not available as standard on Solaris 10.
+ readLink=`which readlink`
+ if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+ if $darwin ; then
+ javaHome="`dirname \"$javaExecutable\"`"
+ javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+ else
+ javaExecutable="`readlink -f \"$javaExecutable\"`"
+ fi
+ javaHome="`dirname \"$javaExecutable\"`"
+ javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+ JAVA_HOME="$javaHome"
+ export JAVA_HOME
+ fi
+ fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+ if [ -n "$JAVA_HOME" ] ; then
+ if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+ # IBM's JDK on AIX uses strange locations for the executables
+ JAVACMD="$JAVA_HOME/jre/sh/java"
+ else
+ JAVACMD="$JAVA_HOME/bin/java"
+ fi
+ else
+ JAVACMD="`\\unset -f command; \\command -v java`"
+ fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+ echo "Error: JAVA_HOME is not defined correctly." >&2
+ echo " We cannot execute $JAVACMD" >&2
+ exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+ echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+ if [ -z "$1" ]
+ then
+ echo "Path not specified to find_maven_basedir"
+ return 1
+ fi
+
+ basedir="$1"
+ wdir="$1"
+ while [ "$wdir" != '/' ] ; do
+ if [ -d "$wdir"/.mvn ] ; then
+ basedir=$wdir
+ break
+ fi
+ # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+ if [ -d "${wdir}" ]; then
+ wdir=`cd "$wdir/.."; pwd`
+ fi
+ # end of workaround
+ done
+ echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+ if [ -f "$1" ]; then
+ echo "$(tr -s '\n' ' ' < "$1")"
+ fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+ exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Found .mvn/wrapper/maven-wrapper.jar"
+ fi
+else
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+ fi
+ if [ -n "$MVNW_REPOURL" ]; then
+ jarUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+ else
+ jarUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+ fi
+ while IFS="=" read key value; do
+ case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+ esac
+ done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Downloading from: $jarUrl"
+ fi
+ wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+ if $cygwin; then
+ wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
+ fi
+
+ if command -v wget > /dev/null; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Found wget ... using wget"
+ fi
+ if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+ wget "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+ else
+ wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+ fi
+ elif command -v curl > /dev/null; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Found curl ... using curl"
+ fi
+ if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+ curl -o "$wrapperJarPath" "$jarUrl" -f
+ else
+ curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+ fi
+
+ else
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Falling back to using Java to download"
+ fi
+ javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+ # For Cygwin, switch paths to Windows format before running javac
+ if $cygwin; then
+ javaClass=`cygpath --path --windows "$javaClass"`
+ fi
+ if [ -e "$javaClass" ]; then
+ if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo " - Compiling MavenWrapperDownloader.java ..."
+ fi
+ # Compiling the Java class
+ ("$JAVA_HOME/bin/javac" "$javaClass")
+ fi
+ if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+ # Running the downloader
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo " - Running MavenWrapperDownloader.java ..."
+ fi
+ ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+ fi
+ fi
+ fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+ echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+ [ -n "$M2_HOME" ] &&
+ M2_HOME=`cygpath --path --windows "$M2_HOME"`
+ [ -n "$JAVA_HOME" ] &&
+ JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+ [ -n "$CLASSPATH" ] &&
+ CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+ [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+ MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+ $MAVEN_OPTS \
+ $MAVEN_DEBUG_OPTS \
+ -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+ "-Dmaven.home=${M2_HOME}" \
+ "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+ ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/abstractfactoryguru/mvnw.cmd b/abstractfactoryguru/mvnw.cmd
new file mode 100644
index 0000000..1d8ab01
--- /dev/null
+++ b/abstractfactoryguru/mvnw.cmd
@@ -0,0 +1,188 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements. See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership. The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License. You may obtain a copy of the License at
+@REM
+@REM https://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied. See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
+if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+
+FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+ IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+ if "%MVNW_VERBOSE%" == "true" (
+ echo Found %WRAPPER_JAR%
+ )
+) else (
+ if not "%MVNW_REPOURL%" == "" (
+ SET DOWNLOAD_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+ )
+ if "%MVNW_VERBOSE%" == "true" (
+ echo Couldn't find %WRAPPER_JAR%, downloading it ...
+ echo Downloading from: %DOWNLOAD_URL%
+ )
+
+ powershell -Command "&{"^
+ "$webclient = new-object System.Net.WebClient;"^
+ "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+ "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+ "}"^
+ "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+ "}"
+ if "%MVNW_VERBOSE%" == "true" (
+ echo Finished downloading %WRAPPER_JAR%
+ )
+)
+@REM End of extension
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% ^
+ %JVM_CONFIG_MAVEN_PROPS% ^
+ %MAVEN_OPTS% ^
+ %MAVEN_DEBUG_OPTS% ^
+ -classpath %WRAPPER_JAR% ^
+ "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
+ %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
+if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%"=="on" pause
+
+if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
+
+cmd /C exit /B %ERROR_CODE%
diff --git a/abstractfactoryguru/pom.xml b/abstractfactoryguru/pom.xml
new file mode 100644
index 0000000..9acdbd4
--- /dev/null
+++ b/abstractfactoryguru/pom.xml
@@ -0,0 +1,58 @@
+
+
+ 4.0.0
+
+ com.example
+ abstractfactoryguru
+ 1.0-SNAPSHOT
+ abstractfactoryguru
+ war
+
+
+ UTF-8
+ 11
+ 11
+ 5.9.2
+
+
+
+
+ jakarta.enterprise
+ jakarta.enterprise.cdi-api
+ 3.0.0
+ provided
+
+ jakarta.ws.rs
+ jakarta.ws.rs-api
+ 3.0.0
+ provided
+
+ jakarta.servlet
+ jakarta.servlet-api
+ 5.0.0
+ provided
+
+
+ org.junit.jupiter
+ junit-jupiter-api
+ ${junit.version}
+ test
+
+
+ org.junit.jupiter
+ junit-jupiter-engine
+ ${junit.version}
+ test
+
+
+
+
+
+ org.apache.maven.plugins
+ maven-war-plugin
+ 3.3.2
+
+
+
\ No newline at end of file
diff --git a/abstractfactoryguru/src/main/java/com/example/abstractfactoryguru/HelloApplication.java b/abstractfactoryguru/src/main/java/com/example/abstractfactoryguru/HelloApplication.java
new file mode 100644
index 0000000..36c5898
--- /dev/null
+++ b/abstractfactoryguru/src/main/java/com/example/abstractfactoryguru/HelloApplication.java
@@ -0,0 +1,9 @@
+package com.example.abstractfactoryguru;
+
+import jakarta.ws.rs.ApplicationPath;
+import jakarta.ws.rs.core.Application;
+
+@ApplicationPath("/api")
+public class HelloApplication extends Application {
+
+}
\ No newline at end of file
diff --git a/abstractfactoryguru/src/main/java/com/example/abstractfactoryguru/HelloResource.java b/abstractfactoryguru/src/main/java/com/example/abstractfactoryguru/HelloResource.java
new file mode 100644
index 0000000..bf2ab0b
--- /dev/null
+++ b/abstractfactoryguru/src/main/java/com/example/abstractfactoryguru/HelloResource.java
@@ -0,0 +1,14 @@
+package com.example.abstractfactoryguru;
+
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.Produces;
+
+@Path("/hello-world")
+public class HelloResource {
+ @GET
+ @Produces("text/plain")
+ public String hello() {
+ return "Hello, World!";
+ }
+}
\ No newline at end of file
diff --git a/abstractfactoryguru/src/main/resources/META-INF/beans.xml b/abstractfactoryguru/src/main/resources/META-INF/beans.xml
new file mode 100644
index 0000000..4011358
--- /dev/null
+++ b/abstractfactoryguru/src/main/resources/META-INF/beans.xml
@@ -0,0 +1,7 @@
+
+
+
+
\ No newline at end of file
diff --git a/chapter4/AbstractFactoryTester.java b/chapter4/AbstractFactoryTester.java
new file mode 100644
index 0000000..be8c9fa
--- /dev/null
+++ b/chapter4/AbstractFactoryTester.java
@@ -0,0 +1,14 @@
+package org.programers;
+
+import org.programers.factory.GUIFactory;
+import org.programers.factory.mac.MacFactory;
+
+public class AbstractFactoryTester {
+ public static void main(String[] args) {
+ GUIFactory guiFactory = MacFactory.getInstance();
+ Application application = new Application(guiFactory);
+
+ application.createUI();
+ application.paint();
+ }
+}
diff --git a/chapter4/Application.java b/chapter4/Application.java
new file mode 100644
index 0000000..4793917
--- /dev/null
+++ b/chapter4/Application.java
@@ -0,0 +1,25 @@
+package org.programers;
+
+import org.programers.factory.Button;
+import org.programers.factory.Checkbox;
+import org.programers.factory.GUIFactory;
+
+public class Application {
+ private GUIFactory factory;
+ private Button button;
+ private Checkbox checkbox;
+
+ public Application(GUIFactory factory) {
+ this.factory = factory;
+ }
+
+ public void createUI() {
+ this.button = factory.createButton();
+ this.checkbox = factory.createCheckbox();
+ }
+
+ public void paint() {
+ this.button.paint();
+ this.checkbox.paint();
+ }
+}
diff --git a/chapter4/factory/Button.java b/chapter4/factory/Button.java
new file mode 100644
index 0000000..1e8faf7
--- /dev/null
+++ b/chapter4/factory/Button.java
@@ -0,0 +1,5 @@
+package org.programers.factory;
+
+public interface Button {
+ public void paint();
+}
diff --git a/chapter4/factory/Checkbox.java b/chapter4/factory/Checkbox.java
new file mode 100644
index 0000000..e920020
--- /dev/null
+++ b/chapter4/factory/Checkbox.java
@@ -0,0 +1,5 @@
+package org.programers.factory;
+
+public interface Checkbox {
+ public void paint();
+}
diff --git a/chapter4/factory/GUIFactory.java b/chapter4/factory/GUIFactory.java
new file mode 100644
index 0000000..d73bf11
--- /dev/null
+++ b/chapter4/factory/GUIFactory.java
@@ -0,0 +1,7 @@
+package org.programers.factory;
+
+public interface GUIFactory {
+ public Button createButton();
+
+ public Checkbox createCheckbox();
+}
diff --git a/chapter4/factory/mac/MacButton.java b/chapter4/factory/mac/MacButton.java
new file mode 100644
index 0000000..8570d26
--- /dev/null
+++ b/chapter4/factory/mac/MacButton.java
@@ -0,0 +1,10 @@
+package org.programers.factory.mac;
+
+import org.programers.factory.Button;
+
+public class MacButton implements Button {
+ @Override
+ public void paint() {
+ System.out.println("mac button");
+ }
+}
diff --git a/chapter4/factory/mac/MacCheckbox.java b/chapter4/factory/mac/MacCheckbox.java
new file mode 100644
index 0000000..898fad5
--- /dev/null
+++ b/chapter4/factory/mac/MacCheckbox.java
@@ -0,0 +1,10 @@
+package org.programers.factory.mac;
+
+import org.programers.factory.Checkbox;
+
+public class MacCheckbox implements Checkbox {
+ @Override
+ public void paint() {
+ System.out.println("mac checkbox");
+ }
+}
diff --git a/chapter4/factory/mac/MacFactory.java b/chapter4/factory/mac/MacFactory.java
new file mode 100644
index 0000000..3e092c1
--- /dev/null
+++ b/chapter4/factory/mac/MacFactory.java
@@ -0,0 +1,24 @@
+package org.programers.factory.mac;
+
+import org.programers.factory.Button;
+import org.programers.factory.Checkbox;
+import org.programers.factory.GUIFactory;
+
+public enum MacFactory implements GUIFactory {
+
+ INSTANCE;
+
+ public static MacFactory getInstance() {
+ return INSTANCE;
+ }
+
+ @Override
+ public Button createButton() {
+ return new MacButton();
+ }
+
+ @Override
+ public Checkbox createCheckbox() {
+ return new MacCheckbox();
+ }
+}
diff --git a/chapter4/factory/win/WinButton.java b/chapter4/factory/win/WinButton.java
new file mode 100644
index 0000000..0186dce
--- /dev/null
+++ b/chapter4/factory/win/WinButton.java
@@ -0,0 +1,10 @@
+package org.programers.factory.win;
+
+import org.programers.factory.Button;
+
+public class WinButton implements Button {
+ @Override
+ public void paint() {
+ System.out.println("win button");
+ }
+}
diff --git a/chapter4/factory/win/WinCheckbox.java b/chapter4/factory/win/WinCheckbox.java
new file mode 100644
index 0000000..8b35e5c
--- /dev/null
+++ b/chapter4/factory/win/WinCheckbox.java
@@ -0,0 +1,10 @@
+package org.programers.factory.win;
+
+import org.programers.factory.Checkbox;
+
+public class WinCheckbox implements Checkbox {
+ @Override
+ public void paint() {
+ System.out.println("win checkbox");
+ }
+}
diff --git a/chapter4/factory/win/WinFactory.java b/chapter4/factory/win/WinFactory.java
new file mode 100644
index 0000000..ea390ff
--- /dev/null
+++ b/chapter4/factory/win/WinFactory.java
@@ -0,0 +1,24 @@
+package org.programers.factory.win;
+
+import org.programers.factory.Button;
+import org.programers.factory.Checkbox;
+import org.programers.factory.GUIFactory;
+
+public enum WinFactory implements GUIFactory {
+
+ INSTANCE;
+
+ public static WinFactory getInstance() {
+ return INSTANCE;
+ }
+
+ @Override
+ public Button createButton() {
+ return new WinButton();
+ }
+
+ @Override
+ public Checkbox createCheckbox() {
+ return new WinCheckbox();
+ }
+}
diff --git a/chapter6/Application.java b/chapter6/Application.java
new file mode 100644
index 0000000..c645f37
--- /dev/null
+++ b/chapter6/Application.java
@@ -0,0 +1,72 @@
+package chapter6;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import chapter6.command.CopyCommand;
+import chapter6.command.CutCommand;
+import chapter6.command.PasteCommand;
+import chapter6.command.UndoCommand;
+import chapter6.invoker.Button;
+import chapter6.invoker.ShortcutContainer;
+import chapter6.model.Text;
+
+public class Application {
+
+ private Text clipboard;
+
+ private List editors;
+
+ private Editor activeEditor;
+
+ private CommandHistory history;
+ public ShortcutContainer shortcutContainer;
+ public Button copyButton;
+
+ public Button cutButton;
+
+ public Button pasteButton;
+
+ public Button undoButton;
+
+ public Application() {
+ this.clipboard = new Text();
+ this.shortcutContainer = new ShortcutContainer();
+ this.editors = new ArrayList<>();
+ this.history = new CommandHistory();
+ }
+
+ public void createUI() {
+ Command copy = new CopyCommand(this, activeEditor);
+ Command cut = new CutCommand(this, activeEditor);
+ Command paste = new PasteCommand(this, activeEditor);
+ Command undo = new UndoCommand(this, activeEditor);
+
+ copyButton = new Button(copy);
+ cutButton = new Button(cut);
+ pasteButton = new Button(paste);
+ undoButton = new Button(undo);
+
+ shortcutContainer.onKeyPress("ctrl+c", copy);
+ shortcutContainer.onKeyPress("ctrl+x", cut);
+ shortcutContainer.onKeyPress("ctrl+v", paste);
+ shortcutContainer.onKeyPress("ctrl+z", undo);
+ }
+
+ public void undo() {
+ Command command = history.pop();
+ if (command != null) {
+ command.undo();
+ }
+ }
+
+ public Text getClipboard() {
+ return clipboard;
+ }
+
+ public void setClipboard(Text clipboard) {
+ this.clipboard = clipboard;
+ }
+
+
+}
diff --git a/chapter6/ApplicationTest.java b/chapter6/ApplicationTest.java
new file mode 100644
index 0000000..dcb48c5
--- /dev/null
+++ b/chapter6/ApplicationTest.java
@@ -0,0 +1,27 @@
+package chapter6;
+
+import chapter6.command.CopyCommand;
+import chapter6.command.CutCommand;
+import chapter6.command.PasteCommand;
+import chapter6.command.UndoCommand;
+
+public class ApplicationTest {
+
+ public static void main(String[] args) {
+ Application application = new Application();
+
+ application.createUI();
+
+ application.copyButton.excuteCommand();
+ application.cutButton.excuteCommand();
+ application.pasteButton.excuteCommand();
+ application.undoButton.excuteCommand();
+
+ application.shortcutContainer.getShortCut("ctrl+c");
+ application.shortcutContainer.getShortCut("ctrl+x");
+ application.shortcutContainer.getShortCut("ctrl+v");
+ application.shortcutContainer.getShortCut("ctrl+z");
+ }
+
+
+}
diff --git a/chapter6/Command.java b/chapter6/Command.java
new file mode 100644
index 0000000..9755b95
--- /dev/null
+++ b/chapter6/Command.java
@@ -0,0 +1,27 @@
+package chapter6;
+
+import chapter6.model.Text;
+
+public abstract class Command {
+ protected final Application app;
+
+ protected final Editor editor;
+
+ protected Text backup;
+
+ public Command(Application app, Editor editor) {
+ this.app = app;
+ this.editor = editor;
+ this.backup = new Text();
+ }
+
+ public void saveBackup() {
+ this.backup = editor.getSelection();
+ }
+
+ public void undo() {
+ this.editor.setEditorText(this.backup);
+ }
+
+ public abstract void execute();
+}
diff --git a/chapter6/CommandHistory.java b/chapter6/CommandHistory.java
new file mode 100644
index 0000000..11cb875
--- /dev/null
+++ b/chapter6/CommandHistory.java
@@ -0,0 +1,20 @@
+package chapter6;
+
+import java.util.Stack;
+
+public class CommandHistory {
+
+ Stack stackHistories;
+
+ public CommandHistory() {
+ stackHistories = new Stack<>();
+ }
+
+ public void push(Command command) {
+ stackHistories.push(command);
+ }
+
+ public Command pop() {
+ return stackHistories.pop();
+ }
+}
diff --git a/chapter6/Editor.java b/chapter6/Editor.java
new file mode 100644
index 0000000..fb28589
--- /dev/null
+++ b/chapter6/Editor.java
@@ -0,0 +1,23 @@
+package chapter6;
+
+import chapter6.model.Text;
+
+public class Editor {
+ private Text editorText;
+
+ public Text getSelection() {
+ return this.editorText;
+ }
+
+ public void setEditorText(Text editorText) {
+ this.editorText = editorText;
+ }
+
+ public void deleteSelection() {
+ this.editorText.setText("");
+ }
+
+ public void replaceSelection(Text text) {
+ this.editorText.setText(text.getText());
+ }
+}
diff --git a/chapter6/command/CopyCommand.java b/chapter6/command/CopyCommand.java
new file mode 100644
index 0000000..2590f29
--- /dev/null
+++ b/chapter6/command/CopyCommand.java
@@ -0,0 +1,18 @@
+package chapter6.command;
+
+import chapter6.Application;
+import chapter6.Command;
+import chapter6.Editor;
+import chapter6.model.Text;
+
+public class CopyCommand extends Command {
+ public CopyCommand(Application app, Editor editor) {
+ super(app, editor);
+ }
+
+ @Override
+ public void execute() {
+ Text selectedText = editor.getSelection();
+ app.setClipboard(selectedText);
+ }
+}
diff --git a/chapter6/command/CutCommand.java b/chapter6/command/CutCommand.java
new file mode 100644
index 0000000..4526555
--- /dev/null
+++ b/chapter6/command/CutCommand.java
@@ -0,0 +1,22 @@
+package chapter6.command;
+
+import chapter6.Application;
+import chapter6.Command;
+import chapter6.Editor;
+
+import chapter6.model.Text;
+public class CutCommand extends Command {
+
+ public CutCommand(Application app, Editor editor) {
+ super(app, editor);
+ }
+
+ @Override
+ public void execute() {
+ saveBackup();
+
+ Text selectedText = this.editor.getSelection();
+ this.app.setClipboard(selectedText);
+ this.editor.deleteSelection();
+ }
+}
diff --git a/chapter6/command/PasteCommand.java b/chapter6/command/PasteCommand.java
new file mode 100644
index 0000000..215b3ee
--- /dev/null
+++ b/chapter6/command/PasteCommand.java
@@ -0,0 +1,20 @@
+package chapter6.command;
+
+import chapter6.Application;
+import chapter6.Command;
+import chapter6.Editor;
+import chapter6.model.Text;
+
+public class PasteCommand extends Command {
+
+ public PasteCommand(Application app, Editor editor) {
+ super(app, editor);
+ }
+
+ @Override
+ public void execute() {
+ saveBackup();
+ Text curClipBoardText = app.getClipboard();
+ this.editor.replaceSelection(curClipBoardText);
+ }
+}
diff --git a/chapter6/command/UndoCommand.java b/chapter6/command/UndoCommand.java
new file mode 100644
index 0000000..a90e56c
--- /dev/null
+++ b/chapter6/command/UndoCommand.java
@@ -0,0 +1,17 @@
+package chapter6.command;
+
+import chapter6.Application;
+import chapter6.Command;
+import chapter6.Editor;
+
+public class UndoCommand extends Command {
+
+ public UndoCommand(Application app, Editor editor) {
+ super(app, editor);
+ }
+
+ @Override
+ public void execute() {
+ app.undo();
+ }
+}
diff --git a/chapter6/invoker/Button.java b/chapter6/invoker/Button.java
new file mode 100644
index 0000000..0ce878b
--- /dev/null
+++ b/chapter6/invoker/Button.java
@@ -0,0 +1,15 @@
+package chapter6.invoker;
+
+import chapter6.Command;
+
+public class Button {
+ private Command command;
+
+ public Button(Command command) {
+ this.command = command;
+ }
+
+ public void excuteCommand(){
+ command.execute();
+ }
+}
diff --git a/chapter6/invoker/ShortcutContainer.java b/chapter6/invoker/ShortcutContainer.java
new file mode 100644
index 0000000..2170bd9
--- /dev/null
+++ b/chapter6/invoker/ShortcutContainer.java
@@ -0,0 +1,30 @@
+package chapter6.invoker;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.NoSuchElementException;
+import java.util.Optional;
+
+import chapter6.Command;
+import chapter6.model.ShortCut;
+
+public class ShortcutContainer {
+ private List shortCuts;
+
+ public ShortcutContainer() {
+ this.shortCuts = new ArrayList<>();
+ }
+
+ public void onKeyPress(String strCmd, Command command) {
+ ShortCut shortCut = new ShortCut(strCmd, command);
+ shortCuts.add(shortCut);
+ }
+
+ public ShortCut getShortCut(String strCmd) {
+ Optional optionalShortCut = shortCuts.stream()
+ .filter(shortCut -> shortCut.isSame(strCmd))
+ .findFirst();
+
+ return optionalShortCut.orElseThrow(() -> new NoSuchElementException("일치하는 명령어가 없습니다."));
+ }
+}
diff --git a/chapter6/model/ShortCut.java b/chapter6/model/ShortCut.java
new file mode 100644
index 0000000..839ec34
--- /dev/null
+++ b/chapter6/model/ShortCut.java
@@ -0,0 +1,22 @@
+package chapter6.model;
+
+import chapter6.Command;
+
+public class ShortCut {
+ private String strCmd;
+
+ private Command command;
+
+ public ShortCut(String strCmd, Command command) {
+ this.strCmd = strCmd;
+ this.command = command;
+ }
+
+ public boolean isSame(String strCmd) {
+ return strCmd.equals(strCmd);
+ }
+
+ public void executeCommand() {
+ this.command.execute();
+ }
+}
diff --git a/chapter6/model/Text.java b/chapter6/model/Text.java
new file mode 100644
index 0000000..0cad90e
--- /dev/null
+++ b/chapter6/model/Text.java
@@ -0,0 +1,22 @@
+package chapter6.model;
+
+public class Text {
+
+ private String text;
+
+ public Text(String text) {
+ this.text = text;
+ }
+
+ public Text() {
+ this.text = "";
+ }
+
+ public String getText() {
+ return text;
+ }
+
+ public void setText(String text) {
+ this.text = text;
+ }
+}
diff --git a/chapter7/adapter/AdapterTest.java b/chapter7/adapter/AdapterTest.java
new file mode 100644
index 0000000..a674100
--- /dev/null
+++ b/chapter7/adapter/AdapterTest.java
@@ -0,0 +1,15 @@
+package chapter7.adapter;
+
+public class AdapterTest {
+ public static void main(String[] args) {
+ RoundHole hole = new RoundHole(5);
+
+ SquarePeg squarePeg = new SquarePeg(3);
+
+ RoundPeg squarePegAdapter = new SquarePegAdapter(squarePeg);
+
+ boolean result = hole.fits(squarePegAdapter);
+
+ System.out.println(result);
+ }
+}
diff --git a/chapter7/adapter/RoundHole.java b/chapter7/adapter/RoundHole.java
new file mode 100644
index 0000000..72aa3f0
--- /dev/null
+++ b/chapter7/adapter/RoundHole.java
@@ -0,0 +1,21 @@
+package chapter7.adapter;
+
+public class RoundHole {
+ private int radius;
+
+ public RoundHole(int radius) {
+ this.radius = radius;
+ }
+
+ public int getRadius() {
+ return radius;
+ }
+
+ public boolean fits(RoundPeg peg) {
+ if( radius > peg.getRadius() ) {
+ return true;
+ }
+
+ return false;
+ }
+}
diff --git a/chapter7/adapter/RoundPeg.java b/chapter7/adapter/RoundPeg.java
new file mode 100644
index 0000000..48c72f3
--- /dev/null
+++ b/chapter7/adapter/RoundPeg.java
@@ -0,0 +1,14 @@
+package chapter7.adapter;
+
+public class RoundPeg {
+
+ private int radius;
+
+ public RoundPeg(int radius) {
+ this.radius = radius;
+ }
+
+ public int getRadius() {
+ return radius;
+ }
+}
diff --git a/chapter7/adapter/SquarePeg.java b/chapter7/adapter/SquarePeg.java
new file mode 100644
index 0000000..30de7c6
--- /dev/null
+++ b/chapter7/adapter/SquarePeg.java
@@ -0,0 +1,14 @@
+package chapter7.adapter;
+
+public class SquarePeg {
+
+ private int width;
+
+ public SquarePeg(int width) {
+ this.width = width;
+ }
+
+ public int getWidth() {
+ return width;
+ }
+}
diff --git a/chapter7/adapter/SquarePegAdapter.java b/chapter7/adapter/SquarePegAdapter.java
new file mode 100644
index 0000000..be0c0c8
--- /dev/null
+++ b/chapter7/adapter/SquarePegAdapter.java
@@ -0,0 +1,15 @@
+package chapter7.adapter;
+
+public class SquarePegAdapter extends RoundPeg{
+ private SquarePeg peg;
+
+ public SquarePegAdapter(SquarePeg peg) {
+ super(peg.getWidth());
+ this.peg = peg;
+ }
+
+ @Override
+ public int getRadius() {
+ return (int)(peg.getWidth() * Math.sqrt(2) / 2);
+ }
+}
diff --git a/chapter7/facade/Application.java b/chapter7/facade/Application.java
new file mode 100644
index 0000000..155488b
--- /dev/null
+++ b/chapter7/facade/Application.java
@@ -0,0 +1,11 @@
+package chapter7.facade;
+
+import chapter7.facade.subsystem.File;
+
+public class Application {
+ public static void main(String[] args) {
+ VideoConverter videoConverter = new VideoConverter();
+ File mp4 = videoConverter.convertVideo("funny-cast-video.ogg", "mp4");
+ mp4.save();
+ }
+}
diff --git a/chapter7/facade/VideoConverter.java b/chapter7/facade/VideoConverter.java
new file mode 100644
index 0000000..8d1d7bd
--- /dev/null
+++ b/chapter7/facade/VideoConverter.java
@@ -0,0 +1,32 @@
+package chapter7.facade;
+
+import chapter7.facade.model.Buffer;
+import chapter7.facade.model.Result;
+import chapter7.facade.subsystem.AudioMixer;
+import chapter7.facade.subsystem.BitrateReader;
+import chapter7.facade.subsystem.Codec;
+import chapter7.facade.subsystem.CodecFactory;
+import chapter7.facade.subsystem.File;
+import chapter7.facade.subsystem.MPEG4CompressionCodec;
+import chapter7.facade.subsystem.OggCompressionCodec;
+import chapter7.facade.subsystem.VideoFile;
+
+public class VideoConverter {
+
+ public File convertVideo(String filename, String format) {
+ File file = new VideoFile(filename);
+ Codec sourceCodec = (new CodecFactory()).extract(file);
+ Codec destinationCodec = null;
+
+ if ( format == "mp4") {
+ destinationCodec = new MPEG4CompressionCodec();
+ } else {
+ destinationCodec = new OggCompressionCodec();
+ }
+
+ Buffer buffer = BitrateReader.read(filename, sourceCodec);
+ Result result = BitrateReader.convert(buffer, destinationCodec);
+ result = (new AudioMixer()).fix(result);
+ return new File(result);
+ }
+}
diff --git a/chapter7/facade/model/Buffer.java b/chapter7/facade/model/Buffer.java
new file mode 100644
index 0000000..42cc04e
--- /dev/null
+++ b/chapter7/facade/model/Buffer.java
@@ -0,0 +1,4 @@
+package chapter7.facade.model;
+
+public class Buffer {
+}
diff --git a/chapter7/facade/model/Result.java b/chapter7/facade/model/Result.java
new file mode 100644
index 0000000..5a8e9a5
--- /dev/null
+++ b/chapter7/facade/model/Result.java
@@ -0,0 +1,4 @@
+package chapter7.facade.model;
+
+public class Result {
+}
diff --git a/chapter7/facade/subsystem/AudioMixer.java b/chapter7/facade/subsystem/AudioMixer.java
new file mode 100644
index 0000000..2ec39b0
--- /dev/null
+++ b/chapter7/facade/subsystem/AudioMixer.java
@@ -0,0 +1,9 @@
+package chapter7.facade.subsystem;
+
+import chapter7.facade.model.Result;
+
+public class AudioMixer {
+ public Result fix(Result result) {
+ return result;
+ }
+}
diff --git a/chapter7/facade/subsystem/BitrateReader.java b/chapter7/facade/subsystem/BitrateReader.java
new file mode 100644
index 0000000..adfc981
--- /dev/null
+++ b/chapter7/facade/subsystem/BitrateReader.java
@@ -0,0 +1,17 @@
+package chapter7.facade.subsystem;
+
+import chapter7.facade.model.Buffer;
+import chapter7.facade.model.Result;
+
+public final class BitrateReader {
+
+ private BitrateReader() {
+
+ }
+ public static Buffer read(String filename, Codec codec) {
+ return new Buffer();
+ }
+ public static Result convert(Buffer buffer, Codec destinationCodec) {
+ return new Result();
+ }
+}
diff --git a/chapter7/facade/subsystem/Codec.java b/chapter7/facade/subsystem/Codec.java
new file mode 100644
index 0000000..6d67906
--- /dev/null
+++ b/chapter7/facade/subsystem/Codec.java
@@ -0,0 +1,4 @@
+package chapter7.facade.subsystem;
+
+public interface Codec {
+}
diff --git a/chapter7/facade/subsystem/CodecFactory.java b/chapter7/facade/subsystem/CodecFactory.java
new file mode 100644
index 0000000..a47a286
--- /dev/null
+++ b/chapter7/facade/subsystem/CodecFactory.java
@@ -0,0 +1,7 @@
+package chapter7.facade.subsystem;
+
+public class CodecFactory {
+ public Codec extract(File file) {
+ return new NormalCodec();
+ }
+}
diff --git a/chapter7/facade/subsystem/File.java b/chapter7/facade/subsystem/File.java
new file mode 100644
index 0000000..d367da7
--- /dev/null
+++ b/chapter7/facade/subsystem/File.java
@@ -0,0 +1,14 @@
+package chapter7.facade.subsystem;
+
+import chapter7.facade.model.Result;
+
+public class File {
+
+ public File(String fileName){
+ }
+
+ public File(Result result) {
+ }
+ public void save() {
+ }
+}
diff --git a/chapter7/facade/subsystem/MPEG4CompressionCodec.java b/chapter7/facade/subsystem/MPEG4CompressionCodec.java
new file mode 100644
index 0000000..95355b6
--- /dev/null
+++ b/chapter7/facade/subsystem/MPEG4CompressionCodec.java
@@ -0,0 +1,4 @@
+package chapter7.facade.subsystem;
+
+public class MPEG4CompressionCodec implements Codec {
+}
diff --git a/chapter7/facade/subsystem/NormalCodec.java b/chapter7/facade/subsystem/NormalCodec.java
new file mode 100644
index 0000000..b4ed355
--- /dev/null
+++ b/chapter7/facade/subsystem/NormalCodec.java
@@ -0,0 +1,4 @@
+package chapter7.facade.subsystem;
+
+public class NormalCodec implements Codec{
+}
diff --git a/chapter7/facade/subsystem/OggCompressionCodec.java b/chapter7/facade/subsystem/OggCompressionCodec.java
new file mode 100644
index 0000000..158e63c
--- /dev/null
+++ b/chapter7/facade/subsystem/OggCompressionCodec.java
@@ -0,0 +1,4 @@
+package chapter7.facade.subsystem;
+
+public class OggCompressionCodec implements Codec {
+}
diff --git a/chapter7/facade/subsystem/VideoFile.java b/chapter7/facade/subsystem/VideoFile.java
new file mode 100644
index 0000000..cf23c2a
--- /dev/null
+++ b/chapter7/facade/subsystem/VideoFile.java
@@ -0,0 +1,13 @@
+package chapter7.facade.subsystem;
+
+import chapter7.facade.model.Result;
+
+public class VideoFile extends File{
+
+ public VideoFile(String fileName) {
+ super(fileName);
+ }
+ public VideoFile(Result result) {
+ super(result);
+ }
+}
diff --git a/chapter8/GameAI.java b/chapter8/GameAI.java
new file mode 100644
index 0000000..98812d1
--- /dev/null
+++ b/chapter8/GameAI.java
@@ -0,0 +1,59 @@
+package chapter8;
+
+import java.util.List;
+
+import chapter8.model.Enemy;
+import chapter8.model.Map;
+import chapter8.model.Position;
+
+public abstract class GameAI {
+
+ private List enemies;
+
+ private Map map;
+
+ protected int resource;
+
+ public GameAI() {
+ Position center = new Position(5,5);
+ this.map = new Map(center);
+ resource = 0;
+ }
+
+ public void turn() {
+ collectResources();
+ buildStructures();
+ buildUnits();
+ attack();
+ }
+
+ public void collectResources() {
+ resource += 10;
+ }
+
+ public abstract void buildStructures();
+
+ public abstract void buildUnits();
+
+ public void attack(){
+ //가장 가까운 적 호출
+ Enemy enemy = closestEnemy();
+ if (enemy == null)
+ sendScouts(map.getCenter());
+ else
+ sendWarriors(enemy.getPosition());
+ }
+
+ public void sendScouts(Position position){
+ System.out.println("send scouts to " + position.toString());
+ }
+
+ public void sendWarriors(Position position){
+ System.out.println("send warriors to " + position.toString());
+ }
+
+ //가장 가까운 적
+ public Enemy closestEnemy() {
+ return enemies.get(0);
+ }
+}
diff --git a/chapter8/MonsterAI.java b/chapter8/MonsterAI.java
new file mode 100644
index 0000000..ff2b3e0
--- /dev/null
+++ b/chapter8/MonsterAI.java
@@ -0,0 +1,14 @@
+package chapter8;
+
+public class MonsterAI extends GameAI {
+
+ @Override
+ public void buildStructures() {
+ System.out.println("몬스터는 건물을 생성하지 않습니다.");
+ }
+
+ @Override
+ public void buildUnits() {
+ System.out.println("몬스터는 유닛을 만들지 않습니다.");
+ }
+}
diff --git a/chapter8/OrcsAI.java b/chapter8/OrcsAI.java
new file mode 100644
index 0000000..687d8ab
--- /dev/null
+++ b/chapter8/OrcsAI.java
@@ -0,0 +1,17 @@
+package chapter8;
+
+public class OrcsAI extends GameAI{
+ @Override
+ public void buildStructures() {
+ System.out.println("오크 건물 생성");
+ }
+
+ @Override
+ public void buildUnits() {
+ if (super.resource > 10) {
+ System.out.println("고급 오크 생성");
+ } else {
+ System.out.println("일반 오크 생성");
+ }
+ }
+}
diff --git a/chapter8/model/Enemy.java b/chapter8/model/Enemy.java
new file mode 100644
index 0000000..89d9063
--- /dev/null
+++ b/chapter8/model/Enemy.java
@@ -0,0 +1,14 @@
+package chapter8.model;
+
+public class Enemy {
+
+ private Position position;
+
+ public Enemy(Position position) {
+ this.position = position;
+ }
+
+ public Position getPosition() {
+ return position;
+ }
+}
diff --git a/chapter8/model/Map.java b/chapter8/model/Map.java
new file mode 100644
index 0000000..c74a62b
--- /dev/null
+++ b/chapter8/model/Map.java
@@ -0,0 +1,14 @@
+package chapter8.model;
+
+public class Map {
+
+ private Position center;
+
+ public Map(Position center) {
+ this.center = center;
+ }
+
+ public Position getCenter() {
+ return center;
+ }
+}
diff --git a/chapter8/model/Position.java b/chapter8/model/Position.java
new file mode 100644
index 0000000..6c2f89c
--- /dev/null
+++ b/chapter8/model/Position.java
@@ -0,0 +1,20 @@
+package chapter8.model;
+
+public class Position {
+
+ private final int y;
+ private final int x;
+
+ public Position(int y, int x) {
+ this.y = y;
+ this.x = x;
+ }
+
+ public int getY() {
+ return y;
+ }
+
+ public int getX() {
+ return x;
+ }
+}