diff --git a/kimshinhee/servlet/servlet/.gitignore b/kimshinhee/servlet/servlet/.gitignore new file mode 100644 index 0000000..c2065bc --- /dev/null +++ b/kimshinhee/servlet/servlet/.gitignore @@ -0,0 +1,37 @@ +HELP.md +.gradle +build/ +!gradle/wrapper/gradle-wrapper.jar +!**/src/main/**/build/ +!**/src/test/**/build/ + +### STS ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache +bin/ +!**/src/main/**/bin/ +!**/src/test/**/bin/ + +### IntelliJ IDEA ### +.idea +*.iws +*.iml +*.ipr +out/ +!**/src/main/**/out/ +!**/src/test/**/out/ + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ + +### VS Code ### +.vscode/ diff --git a/kimshinhee/servlet/servlet/build.gradle b/kimshinhee/servlet/servlet/build.gradle new file mode 100644 index 0000000..a4f19ee --- /dev/null +++ b/kimshinhee/servlet/servlet/build.gradle @@ -0,0 +1,35 @@ +plugins { + id 'java' + id 'war' + id 'org.springframework.boot' version '3.2.0' + id 'io.spring.dependency-management' version '1.1.4' +} + +group = 'hello' +version = '0.0.1-SNAPSHOT' + +java { + sourceCompatibility = '17' +} + +configurations { + compileOnly { + extendsFrom annotationProcessor + } +} + +repositories { + mavenCentral() +} + +dependencies { + implementation 'org.springframework.boot:spring-boot-starter-web' + compileOnly 'org.projectlombok:lombok' + annotationProcessor 'org.projectlombok:lombok' + providedRuntime 'org.springframework.boot:spring-boot-starter-tomcat' + testImplementation 'org.springframework.boot:spring-boot-starter-test' +} + +tasks.named('test') { + useJUnitPlatform() +} diff --git a/kimshinhee/servlet/servlet/gradle/wrapper/gradle-wrapper.jar b/kimshinhee/servlet/servlet/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..7f93135 Binary files /dev/null and b/kimshinhee/servlet/servlet/gradle/wrapper/gradle-wrapper.jar differ diff --git a/kimshinhee/servlet/servlet/gradle/wrapper/gradle-wrapper.properties b/kimshinhee/servlet/servlet/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..3fa8f86 --- /dev/null +++ b/kimshinhee/servlet/servlet/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,7 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip +networkTimeout=10000 +validateDistributionUrl=true +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/kimshinhee/servlet/servlet/gradlew b/kimshinhee/servlet/servlet/gradlew new file mode 100644 index 0000000..1aa94a4 --- /dev/null +++ b/kimshinhee/servlet/servlet/gradlew @@ -0,0 +1,249 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed 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. +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +# This is normally unused +# shellcheck disable=SC2034 +APP_BASE_NAME=${0##*/} +# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036) +APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$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=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + if ! command -v java >/dev/null 2>&1 + then + die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Collect all arguments for the java command: +# * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments, +# and any embedded shellness will be escaped. +# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be +# treated as '${Hostname}' itself on the command line. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/kimshinhee/servlet/servlet/gradlew.bat b/kimshinhee/servlet/servlet/gradlew.bat new file mode 100644 index 0000000..93e3f59 --- /dev/null +++ b/kimshinhee/servlet/servlet/gradlew.bat @@ -0,0 +1,92 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem 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, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%"=="" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%"=="" set DIRNAME=. +@rem This is normally unused +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if %ERRORLEVEL% equ 0 goto execute + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if %ERRORLEVEL% equ 0 goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +set EXIT_CODE=%ERRORLEVEL% +if %EXIT_CODE% equ 0 set EXIT_CODE=1 +if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% +exit /b %EXIT_CODE% + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/kimshinhee/servlet/servlet/settings.gradle b/kimshinhee/servlet/servlet/settings.gradle new file mode 100644 index 0000000..9c5e4d1 --- /dev/null +++ b/kimshinhee/servlet/servlet/settings.gradle @@ -0,0 +1 @@ +rootProject.name = 'servlet' diff --git a/kimshinhee/servlet/servlet/src/main/java/hello/servlet/ServletApplication.java b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/ServletApplication.java new file mode 100644 index 0000000..5d93201 --- /dev/null +++ b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/ServletApplication.java @@ -0,0 +1,15 @@ +package hello.servlet; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.boot.web.servlet.ServletComponentScan; + +@ServletComponentScan//자동적으로 서블릿을 찾아서 등록해줌. +@SpringBootApplication +public class ServletApplication { + + public static void main(String[] args) { + SpringApplication.run(ServletApplication.class, args); + } + +} diff --git a/kimshinhee/servlet/servlet/src/main/java/hello/servlet/ServletInitializer.java b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/ServletInitializer.java new file mode 100644 index 0000000..057e157 --- /dev/null +++ b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/ServletInitializer.java @@ -0,0 +1,13 @@ +package hello.servlet; + +import org.springframework.boot.builder.SpringApplicationBuilder; +import org.springframework.boot.web.servlet.support.SpringBootServletInitializer; + +public class ServletInitializer extends SpringBootServletInitializer { + + @Override + protected SpringApplicationBuilder configure(SpringApplicationBuilder application) { + return application.sources(ServletApplication.class); + } + +} diff --git a/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/HelloData.java b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/HelloData.java new file mode 100644 index 0000000..72b58ce --- /dev/null +++ b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/HelloData.java @@ -0,0 +1,12 @@ +package hello.servlet.basic; + +import lombok.Getter; +import lombok.Setter; + +//lombok 사용하면 getter setter자동 호출 +@Getter @Setter +public class HelloData { + private String username; + private int age; + //오른쪽 키- generate - 생성 - getter and setter +} diff --git a/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/HelloServlet.java b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/HelloServlet.java new file mode 100644 index 0000000..1718276 --- /dev/null +++ b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/HelloServlet.java @@ -0,0 +1,31 @@ +package hello.servlet.basic; + +import jakarta.servlet.ServletException; +import jakarta.servlet.annotation.WebServlet; +import jakarta.servlet.http.HttpServlet; +import jakarta.servlet.http.HttpServletRequest; +import jakarta.servlet.http.HttpServletResponse; + +import java.io.IOException; + +@WebServlet(name="helloServlet", urlPatterns = "/hello") +public class HelloServlet extends HttpServlet { + //이거 ctrl + 0하면 생성 가능 + @Override + protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { +// super.service(req, resp); 이코드는 삭제 하심 + + System.out.println("HelloServlet.service"); // soutm 단축키->클래스명.메서드명 + + System.out.println("request = " + request); // soutv 단축키 + System.out.println("response = " + response); // 출력 내용: tomcat이나..암튼 was서버가 많은데 구현체들이 찍힌 거임. + + String username = request.getParameter("username"); // 쿼리 파라미터를 굉장히 쉽게 읽도록 해줌. + System.out.println("username = " + username); + + response.setContentType("text/plain"); //이 두개는 content타입에 들어감 + response.setCharacterEncoding("utf-8"); + response.getWriter().write("hello " + username);//http message body에 내용 들어간다. + + } +} diff --git a/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/request/RequestBodyJsonServlet.java b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/request/RequestBodyJsonServlet.java new file mode 100644 index 0000000..8d0fca3 --- /dev/null +++ b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/request/RequestBodyJsonServlet.java @@ -0,0 +1,40 @@ +package hello.servlet.basic.request; +import com.fasterxml.jackson.databind.ObjectMapper; +import hello.servlet.basic.HelloData; +import org.springframework.util.StreamUtils; +import jakarta.servlet.ServletException; +import jakarta.servlet.ServletInputStream; +import jakarta.servlet.annotation.WebServlet; +import jakarta.servlet.http.HttpServlet; +import jakarta.servlet.http.HttpServletRequest; +import jakarta.servlet.http.HttpServletResponse; +import java.io.IOException; +import java.nio.charset.StandardCharsets; +/** + * http://localhost:8080/request-body-json + * + * JSON 형식 전송 + * content-type: application/json + * message body: {"username": "hello", "age": 20} + * + */ +@WebServlet(name = "requestBodyJsonServlet", urlPatterns = "/request-body-json") +public class RequestBodyJsonServlet extends HttpServlet { + //objectMapper 사용하기 - 객체 만들어주는거(?) + private ObjectMapper objectMapper = new ObjectMapper(); + @Override + protected void service(HttpServletRequest request, HttpServletResponse response) + throws ServletException, IOException { + + ServletInputStream inputStream = request.getInputStream(); + String messageBody = StreamUtils.copyToString(inputStream, StandardCharsets.UTF_8); + System.out.println("messageBody = " + messageBody); + + // readvalue 작성하고 단축키 command + v + // ctrl + z 이런 단축키로 이 아래 더 쉽게 만들 수 있는데 일단 패스! + HelloData helloData = objectMapper.readValue(messageBody, HelloData.class); + System.out.println("helloData.username = " + helloData.getUsername()); + System.out.println("helloData.age = " + helloData.getAge()); + response.getWriter().write("ok"); + } +} \ No newline at end of file diff --git a/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/request/RequestBodyStringServlet.java b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/request/RequestBodyStringServlet.java new file mode 100644 index 0000000..f83b858 --- /dev/null +++ b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/request/RequestBodyStringServlet.java @@ -0,0 +1,24 @@ +package hello.servlet.basic.request; +import org.springframework.util.StreamUtils; +import jakarta.servlet.ServletException; +import jakarta.servlet.ServletInputStream; +import jakarta.servlet.annotation.WebServlet; +import jakarta.servlet.http.HttpServlet; +import jakarta.servlet.http.HttpServletRequest; +import jakarta.servlet.http.HttpServletResponse; +import java.io.IOException; +import java.nio.charset.StandardCharsets; +@WebServlet(name = "requestBodyStringServlet", urlPatterns = "/request-body-string") +public class RequestBodyStringServlet extends HttpServlet { + @Override + protected void service(HttpServletRequest request, HttpServletResponse + response) + throws ServletException, IOException { + + ServletInputStream inputStream = request.getInputStream(); + //StreamUtils 사용 + String messageBody = StreamUtils.copyToString(inputStream, StandardCharsets.UTF_8); + System.out.println("messageBody = " + messageBody); + response.getWriter().write("ok"); + } +} \ No newline at end of file diff --git a/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/request/RequestHeaderServlet.java b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/request/RequestHeaderServlet.java new file mode 100644 index 0000000..7127b25 --- /dev/null +++ b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/request/RequestHeaderServlet.java @@ -0,0 +1,102 @@ +package hello.servlet.basic.request; + +import jakarta.servlet.ServletException; +import jakarta.servlet.annotation.WebServlet; +import jakarta.servlet.http.*; +import java.io.IOException; +//http://localhost:8080/request-header?username=hello +@WebServlet(name = "requestHeaderServlet", urlPatterns = "/request-header") +public class RequestHeaderServlet extends HttpServlet { + @Override + protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + printStartLine(request); + printHeaders(request); + printHeaderUtils(request); + printEtc(request); + response.getWriter().write("ok"); + } + + //start line 정보 + private void printStartLine(HttpServletRequest request) { + System.out.println("--- REQUEST-LINE - start ---"); + System.out.println("request.getMethod() = " + request.getMethod()); + //GET + System.out.println("request.getProtocol() = " + request.getProtocol()); + //HTTP / 1.1 + System.out.println("request.getScheme() = " + request.getScheme()); + //http + // http://localhost:8080/request-header + System.out.println("request.getRequestURL() = " + request.getRequestURL()); + // /request-header + System.out.println("request.getRequestURI() = " + request.getRequestURI()); + //username=hi + System.out.println("request.getQueryString() = " + + request.getQueryString()); + System.out.println("request.isSecure() = " + request.isSecure()); + //http 사용 유무 + System.out.println("--- REQUEST-LINE - end ---"); + System.out.println(); + } + //Header 모든 정보 + private void printHeaders(HttpServletRequest request) { + System.out.println("--- Headers - start ---"); + + request.getHeaderNames().asIterator() + .forEachRemaining(headerName -> System.out.println(headerName + ": " + request.getHeader(headerName))); + System.out.println("--- Headers - end ---"); + System.out.println(); + } + //Header 편리한 조회 + private void printHeaderUtils(HttpServletRequest request) { + System.out.println("--- Header 편의 조회 start ---"); + System.out.println("[Host 편의 조회]"); + System.out.println("request.getServerName() = " + + request.getServerName()); //Host 헤더 + System.out.println("request.getServerPort() = " + + request.getServerPort()); //Host 헤더 + System.out.println(); + System.out.println("[Accept-Language 편의 조회]"); + //getLocales() + request.getLocales().asIterator() + .forEachRemaining(locale -> System.out.println("locale = " + locale)); + System.out.println("request.getLocale() = " + request.getLocale()); + System.out.println(); + System.out.println("[cookie 편의 조회]"); + if (request.getCookies() != null) { + for (Cookie cookie : request.getCookies()) { + System.out.println(cookie.getName() + ": " + cookie.getValue()); + } + } + System.out.println(); + System.out.println("[Content 편의 조회]"); + System.out.println("request.getContentType() = " + + request.getContentType()); + System.out.println("request.getContentLength() = " + + request.getContentLength()); + System.out.println("request.getCharacterEncoding() = " + + request.getCharacterEncoding()); + System.out.println("--- Header 편의 조회 end ---"); + System.out.println(); + } + //기타 정보 + private void printEtc(HttpServletRequest request) { + System.out.println("--- 기타 조회 start ---"); + System.out.println("[Remote 정보]"); + System.out.println("request.getRemoteHost() = " + + request.getRemoteHost()); // + System.out.println("request.getRemoteAddr() = " + + request.getRemoteAddr()); // + System.out.println("request.getRemotePort() = " + + request.getRemotePort()); // + System.out.println(); + System.out.println("[Local 정보]"); + System.out.println("request.getLocalName() = " + + request.getLocalName()); // + System.out.println("request.getLocalAddr() = " + + request.getLocalAddr()); // + System.out.println("request.getLocalPort() = " + + request.getLocalPort()); // + System.out.println("--- 기타 조회 end ---"); + System.out.println(); + } +} \ No newline at end of file diff --git a/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/request/RequestParamServlet.java b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/request/RequestParamServlet.java new file mode 100644 index 0000000..ab580b9 --- /dev/null +++ b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/request/RequestParamServlet.java @@ -0,0 +1,47 @@ +package hello.servlet.basic.request; +import jakarta.servlet.ServletException; +import jakarta.servlet.annotation.WebServlet; +import jakarta.servlet.http.HttpServlet; +import jakarta.servlet.http.HttpServletRequest; +import jakarta.servlet.http.HttpServletResponse; +import java.io.IOException; +import java.util.Enumeration; +/** + * 1. 파라미터 전송 기능 + * http://localhost:8080/request-param?username=hello&age=20 + *

+ * 2. 동일한 파라미터 전송 가능 + * http://localhost:8080/request-param?username=hello&username=kim&age=20 + */ +@WebServlet(name = "requestParamServlet", urlPatterns = "/request-param") +public class RequestParamServlet extends HttpServlet { + @Override + protected void service(HttpServletRequest request, HttpServletResponse + resp) throws ServletException, IOException { + System.out.println("[전체 파라미터 조회] - start"); + request.getParameterNames().asIterator() + //key와 value설정 + .forEachRemaining(paramName -> System.out.println(paramName + "=" + request.getParameter(paramName))); + + System.out.println("[전체 파라미터 조회] - end"); + System.out.println(); + + System.out.println("[단일 파라미터 조회]"); + String username = request.getParameter("username"); + System.out.println("request.getParameter(username) = " + username); + String age = request.getParameter("age"); + System.out.println("request.getParameter(age) = " + age); + System.out.println(); + + System.out.println("[이름이 같은 복수 파라미터 조회]"); + //중복일때 Values까지 사용하면 됨. + System.out.println("request.getParameterValues(username)"); + String[] usernames = request.getParameterValues("username"); + //iter 엔터치면 단축키 + for (String name : usernames) { + System.out.println("username=" + name); + } + //웹브라우저에 ok뜨도록(좀 심심하니까...) + resp.getWriter().write("ok"); + } +} \ No newline at end of file diff --git a/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/response/ResponseHeaderServlet.java b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/response/ResponseHeaderServlet.java new file mode 100644 index 0000000..00d22f2 --- /dev/null +++ b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/response/ResponseHeaderServlet.java @@ -0,0 +1,67 @@ +package hello.servlet.basic.response; +import jakarta.servlet.ServletException; +import jakarta.servlet.annotation.WebServlet; +import jakarta.servlet.http.Cookie; +import jakarta.servlet.http.HttpServlet; +import jakarta.servlet.http.HttpServletRequest; +import jakarta.servlet.http.HttpServletResponse; +import java.io.IOException; +import java.io.PrintWriter; +/** + * http://localhost:8080/response-header + * + */ +@WebServlet(name = "responseHeaderServlet", urlPatterns = "/response-header") +public class ResponseHeaderServlet extends HttpServlet { + @Override + protected void service(HttpServletRequest request, HttpServletResponse + response) + throws ServletException, IOException { + + //[status-line] + response.setStatus(HttpServletResponse.SC_OK); //200 이런식으로 쓰는게 더 낫다! + + //[response-headers] + response.setHeader("Content-Type", "text/plain;charset=utf-8"); + response.setHeader("Cache-Control", "no-cache, no-store, must-revalidate"); //캐쉬 무효화 + response.setHeader("Pragma", "no-cache"); + response.setHeader("my-header","hello"); + + //[Header 편의 메서드] + content(response); + cookie(response); + redirect(response); + + //[message body] + PrintWriter writer = response.getWriter(); + writer.println("ok"); + //돌려볼 때(run) shift + f10 + } + private void content(HttpServletResponse response) { + //Content-Type: text/plain;charset=utf-8 + //Content-Length: 2 - 생략해도 됨. 자동으로 적어주기는 함. + //response.setHeader("Content-Type", "text/plain;charset=utf-8"); + + response.setContentType("text/plain"); + response.setCharacterEncoding("utf-8"); + //response.setContentLength(2); //(생략시 자동 생성) + } + private void cookie(HttpServletResponse response) { + //Set-Cookie: myCookie=good; Max-Age=600; + //response.setHeader("Set-Cookie", "myCookie=good; Max-Age=600"); + + Cookie cookie = new Cookie("myCookie", "good"); + cookie.setMaxAge(600); //600초 + response.addCookie(cookie); + } + private void redirect(HttpServletResponse response) throws IOException { + //Status Code 302 + //Location: /basic/hello-form.html + + //response.setStatus(HttpServletResponse.SC_FOUND); //302 + //response.setHeader("Location", "/basic/hello-form.html"); + + response.sendRedirect("/basic/hello-form.html"); + } + +} \ No newline at end of file diff --git a/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/response/ResponseHtmlServlet.java b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/response/ResponseHtmlServlet.java new file mode 100644 index 0000000..2b98b2b --- /dev/null +++ b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/response/ResponseHtmlServlet.java @@ -0,0 +1,25 @@ +package hello.servlet.basic.response; +import jakarta.servlet.ServletException; +import jakarta.servlet.annotation.WebServlet; +import jakarta.servlet.http.HttpServlet; +import jakarta.servlet.http.HttpServletRequest; +import jakarta.servlet.http.HttpServletResponse; +import java.io.IOException; +import java.io.PrintWriter; +@WebServlet(name = "responseHtmlServlet", urlPatterns = "/response-html") +public class ResponseHtmlServlet extends HttpServlet { + @Override + protected void service(HttpServletRequest request, HttpServletResponse response) + throws ServletException, IOException { + + //Content-Type: text/html;charset=utf-8 + response.setContentType("text/html"); + response.setCharacterEncoding("utf-8"); + PrintWriter writer = response.getWriter(); + writer.println(""); + writer.println(""); + writer.println("

안녕?
"); + writer.println(""); + writer.println(""); + } +} \ No newline at end of file diff --git a/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/response/ResponseJsonServlet.java b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/response/ResponseJsonServlet.java new file mode 100644 index 0000000..6afc9a6 --- /dev/null +++ b/kimshinhee/servlet/servlet/src/main/java/hello/servlet/basic/response/ResponseJsonServlet.java @@ -0,0 +1,31 @@ +package hello.servlet.basic.response; +import com.fasterxml.jackson.databind.ObjectMapper; +import hello.servlet.basic.HelloData; +import jakarta.servlet.ServletException; +import jakarta.servlet.annotation.WebServlet; +import jakarta.servlet.http.HttpServlet; +import jakarta.servlet.http.HttpServletRequest; +import jakarta.servlet.http.HttpServletResponse; +import java.io.IOException; +/** + * http://localhost:8080/response-json + * + */ +@WebServlet(name = "responseJsonServlet", urlPatterns = "/response-json") +public class ResponseJsonServlet extends HttpServlet { + private ObjectMapper objectMapper = new ObjectMapper(); + @Override + protected void service(HttpServletRequest request, HttpServletResponse + response) + throws ServletException, IOException { + //Content-Type: application/json + response.setHeader("content-type", "application/json"); + response.setCharacterEncoding("utf-8"); + HelloData data = new HelloData(); + data.setUsername("kim"); + data.setAge(20); + //{"username":"kim","age":20} + String result = objectMapper.writeValueAsString(data); + response.getWriter().write(result); + } +} \ No newline at end of file diff --git a/kimshinhee/servlet/servlet/src/main/resources/application.properties b/kimshinhee/servlet/servlet/src/main/resources/application.properties new file mode 100644 index 0000000..53df644 --- /dev/null +++ b/kimshinhee/servlet/servlet/src/main/resources/application.properties @@ -0,0 +1 @@ +logging.level.org.apache.coyote.http11=debug \ No newline at end of file diff --git a/kimshinhee/servlet/servlet/src/main/webapp/basic.html b/kimshinhee/servlet/servlet/src/main/webapp/basic.html new file mode 100644 index 0000000..148034e --- /dev/null +++ b/kimshinhee/servlet/servlet/src/main/webapp/basic.html @@ -0,0 +1,41 @@ + + + + + Title + + + + + \ No newline at end of file diff --git a/kimshinhee/servlet/servlet/src/main/webapp/basic/hello-form.html b/kimshinhee/servlet/servlet/src/main/webapp/basic/hello-form.html new file mode 100644 index 0000000..a712358 --- /dev/null +++ b/kimshinhee/servlet/servlet/src/main/webapp/basic/hello-form.html @@ -0,0 +1,14 @@ + + + + + Title + + +
+ username: + age: + +
+ + \ No newline at end of file diff --git a/kimshinhee/servlet/servlet/src/main/webapp/index.html b/kimshinhee/servlet/servlet/src/main/webapp/index.html new file mode 100644 index 0000000..bfac4bd --- /dev/null +++ b/kimshinhee/servlet/servlet/src/main/webapp/index.html @@ -0,0 +1,12 @@ + + + + + Title + + + + + \ No newline at end of file diff --git a/kimshinhee/servlet/servlet/src/test/java/hello/servlet/ServletApplicationTests.java b/kimshinhee/servlet/servlet/src/test/java/hello/servlet/ServletApplicationTests.java new file mode 100644 index 0000000..9df6b76 --- /dev/null +++ b/kimshinhee/servlet/servlet/src/test/java/hello/servlet/ServletApplicationTests.java @@ -0,0 +1,13 @@ +package hello.servlet; + +import org.junit.jupiter.api.Test; +import org.springframework.boot.test.context.SpringBootTest; + +@SpringBootTest +class ServletApplicationTests { + + @Test + void contextLoads() { + } + +}