first commit

.gradle/buildOutputCleanup/cache.properties

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+#Tue Jan 28 11:38:34 CET 2025
+gradle.version=4.10.2

build.gradle

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+apply plugin: 'java'
+apply plugin: 'jacoco'
+apply plugin: 'application'
+
+mainClassName = 'JavaWetterkram.WetterApp'
+
+run {
+    standardInput = System.in
+}
+
+repositories {
+    jcenter()
+}
+
+dependencies {
+    implementation 'org.json:json:20250107'
+    testCompile 'junit:junit:4.12'
+}

gradle.properties

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+

gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

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+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+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"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$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: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

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+@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=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@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=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+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 init
+
+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
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+: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 %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="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!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

key.txt

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+47a0b132d444598ba082f72f2374a47b

settings.gradle

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+rootProject.name = 'JavaWetterkram'

src/main/java/JavaWetterkram/WetterAPI.java

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+package JavaWetterkram;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.net.URI;
+import java.util.Scanner;
+
+public class WetterAPI {
+    private static final String API(String mode, String ort) {
+        return new StringBuilder()
+            .append("https://api.openweathermap.org/data/2.5/")
+            .append(mode)
+            .append("?units=metric&lang=de&appid=")
+            .append(readApiKey("env.txt"))
+            .append("&q=")
+            .append(ort)
+            .toString();
+    };
+
+    public static String getWetterDaten(String ort) throws Exception {
+        URL urlObj = URI.create(API("weather", ort)).toURL();
+        return apiCall(urlObj);
+    }
+
+    public static String getWetterVorhersage(String ort) throws Exception {
+        URL urlObj = URI.create(API("forecast", ort)).toURL();
+        return apiCall(urlObj);
+    }
+
+    public static String apiCall(URL urlObj) throws Exception {
+        HttpURLConnection connection = (HttpURLConnection)urlObj.openConnection();
+        connection.setRequestMethod("GET");
+
+        int responseCode = connection.getResponseCode();
+        if(responseCode != 200) {
+            throw new Exception("Fehler bei der Anfrage: " + responseCode);
+        }
+
+        try(BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()))) {
+            StringBuilder json = new StringBuilder();
+            String line;
+            while((line = reader.readLine()) != null) {
+                json.append(line);
+            }
+            return json.toString();
+        }
+    }
+
+    public static String readApiKey(String dateiname) {
+        try {
+            File file = new File(dateiname);
+            Scanner scanner = new Scanner(file);
+            String apiKey = scanner.nextLine();
+            scanner.close();
+            return apiKey;
+        } catch(FileNotFoundException e) {
+            System.out.println("Fehler: Datei 'env.txt' nicht gefunden.");
+            return null;
+        }
+    }
+}

src/main/java/JavaWetterkram/WetterApp.java

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+package JavaWetterkram;
+import org.json.JSONObject;
+
+import JavaWetterkram.WetterAPI;
+import JavaWetterkram.WetterDaten;
+
+import java.util.Scanner;
+import org.json.JSONArray;
+
+public class WetterApp {
+    private static Scanner scanner;
+    
+    public static void main(String[] args) {
+        WetterApp app = new WetterApp();
+        scanner = new Scanner(System.in);
+        app.start();
+    }
+
+    public void start() {
+        System.out.println("Wetter Schmetter");
+        System.out.println("---------");
+        System.out.println("1. Aktuelles Wetter");
+        System.out.println("2. Wettervorhersage");
+        System.out.println("3. Beenden");
+
+        int auswahl = readInputInt();
+
+        switch(auswahl) {
+            case 1:
+                getAktuellesWetter();
+                break;
+            case 2:
+                getWettervorhersage();
+                break;
+            case 3:
+                System.out.println("Beenden...");
+                break;
+            default:
+                System.out.println("Ungültige Eingabe");
+        }
+    }
+
+    private void getAktuellesWetter() {
+        System.out.println("Geben Sie einen Ort ein:");
+        String ort = readInput();
+
+        try {
+            String json = WetterAPI.getWetterDaten(ort);
+            WetterDaten wetterDaten = parseWetterDaten(json);
+            printWetterDaten(wetterDaten);
+        } catch(Exception e) {
+            System.out.println("Fehler: " + e.getMessage());
+        }
+    }
+
+    private void getWettervorhersage() {
+        System.out.println("Geben Sie einen Ort ein:");
+        String ort = readInput();
+
+        try {
+            String json = WetterAPI.getWetterVorhersage(ort);
+            printWetterVorhersage(json);
+        } catch(Exception e) {
+            System.out.println("Fehler: " + e.getMessage());
+        }
+    }
+
+    private WetterDaten parseWetterDaten(String json) {
+        JSONObject jsonObject = new JSONObject(json);
+        String ort = jsonObject.getString("name");
+        double temperatur = jsonObject.getJSONObject("main").getDouble("temp");
+        double luftdruck = jsonObject.getJSONObject("main").getDouble("pressure");
+        double luftfeuchtigkeit = jsonObject.getJSONObject("main").getDouble("humidity");
+
+        return new WetterDaten(ort, temperatur, luftdruck, luftfeuchtigkeit);
+    }
+
+    private void printWetterDaten(WetterDaten wetterDaten) {
+        System.out.println("Wetter in " + wetterDaten.getOrt());
+        System.out.println("Temperatur: " + wetterDaten.getTemperatur() + " °C");
+        System.out.println("Luftdruck: " + wetterDaten.getLuftdruck() + " hPa");
+        System.out.println("Luftfeuchtigkeit: " + wetterDaten.getLuftfeuchtigkeit() + " %");
+        scanner.close();
+    }
+
+    private void printWetterVorhersage(String json) {
+        JSONObject jsonObject = new JSONObject(json);
+        JSONArray forecastArray = jsonObject.getJSONArray("list");
+
+        for(int i = 0; i < forecastArray.length(); i += 8) {
+            JSONObject forecastObject = forecastArray.getJSONObject(i);
+            String datum = forecastObject.getString("dt_txt");
+            double temperatur = forecastObject.getJSONObject("main").getDouble("temp");
+            double luftdruck = forecastObject.getJSONObject("main").getDouble("pressure");
+
+            System.out.println("Wettervorhersage für " + datum + ":");
+            System.out.println("Temperatur: " + temperatur + " °C");
+            System.out.println("Luftdruck: " + luftdruck + " hPa");
+            System.out.println();
+        }
+        scanner.close();
+    }
+
+    private String readInput() {
+        return scanner.nextLine();
+    }
+
+    private int readInputInt() {
+        int ret = scanner.nextInt();
+        scanner.nextLine();
+        return ret;
+    }
+}

src/main/java/JavaWetterkram/WetterDaten.java

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+package JavaWetterkram;
+
+public class WetterDaten {
+    private String ort;
+    private double temperatur;
+    private double luftdruck;
+    private double luftfeuchtigkeit;
+
+    public WetterDaten(String ort, double temperatur, double luftdruck, double luftfeuchtigkeit) {
+        this.ort = ort;
+        this.temperatur = temperatur;
+        this.luftdruck = luftdruck;
+        this.luftfeuchtigkeit = luftfeuchtigkeit;
+    }
+
+    public String getOrt() {
+        return ort;
+    }
+
+    public double getTemperatur() {
+        return temperatur;
+    }
+
+    public double getLuftdruck() {
+        return luftdruck;
+    }
+
+    public double getLuftfeuchtigkeit() {
+        return luftfeuchtigkeit;
+    }
+}