Feature/excelize demo

.github/workflows/graalwasm-micronaut-excelize.yml

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+name: Test GraalWasm Micronaut Excelize Demo
+
+on:
+  push:
+    paths:
+      - 'graalwasm/graalwasm-micronaut-excelice/**'
+      - '.github/workflows/graalwasm-micronaut-excelice.yml'
+  pull_request:
+    paths:
+      - 'graalwasm/graalwasm-micronaut-excelice/**'
+      - '.github/workflows/graalwasm-micronaut-excelice.yml'
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  run:
+    name: 'graalwasm-micronaut-excelice'
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: graalvm/setup-graalvm@v1
+        with:
+          java-version: '24.0.0'
+          distribution: 'graalvm'
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          cache: 'maven'
+
+      - name: Package 'graalwasm-micronaut-excelice'
+        run: |
+          cd graalwasm/graalwasm-micronaut-excelice
+          ./mvnw --no-transfer-progress clean package
+
+      - name: Run and Test Excelize App
+        run: |
+          cd graalwasm/graalwasm-micronaut-excelice
+          ./mvnw test &
+          sleep 10
+          curl --fail-with-body --silent --dump-header - -o /dev/null http://localhost:8080

graalwasm/graalwasm-micronaut-excelize/.gitignore

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+Thumbs.db
+.DS_Store
+.gradle
+build/
+target/
+out/
+.micronaut/
+.idea
+*.iml
+*.ipr
+*.iws
+.project
+.settings
+.classpath
+.factorypath

graalwasm/graalwasm-micronaut-excelize/.mvn/wrapper/maven-wrapper.properties

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+# 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.
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.1/maven-wrapper-3.1.1.jar

graalwasm/graalwasm-micronaut-excelize/README.md

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+# Excelize with GraalWasm Micronaut Demo
+
+This demo illustrates how GraalWasm can be used to embed [excelize-wasm](https://github.com/xuri/excelize-wasm/), a WebAssembly build of the Go [Excelize](https://github.com/xuri/excelize) library for reading and writing Microsoft Excel™ spreadsheets.
+The demo also uses GraalJS to access the Excelize module through the WebAssembly JavaScript API.
+
+## Preparation
+
+Install GraalVM for JDK 24 and set the value of `JAVA_HOME` accordingly.
+We recommend using [SDKMAN!](https://sdkman.io/). (For other download options, see [GraalVM Downloads](https://www.graalvm.org/downloads/).)
+```bash
+sdk install java 24-graal
+```
+
+## Run the Application
+
+To start the demo, simply run:
+
+```bash
+./mvnw package mn:run
+```
+
+When the demo runs, open the following URLs in a browser:
+
+- http://localhost:8080/
+
+
+This interface offers two core features:
+
+Import Excel to Database – Upload an Excel (.xlsx) file to parse and store its contents in the backend database.
+Export Database to Excel – Retrieve data from the database and download it as a structured Excel (.xlsx) file.
+Ideal for seamless data management via the browser.
+
+
+
+
+## Implementation Details
+
+The [`Controller`](src/main/java/com/example/Controller.java) uses a [`Service`](src/main/java/com/example/ExcelizeService.java) That integrates the Excelize library with Micronaut and GraalVM to generate and read Excel files using WebAssembly (WASM) and JavaScript. It loads necessary JS and WASM files, executes JavaScript to manipulate Excel data, and reads the content back into a Java application. The results are saved as Excel files or processed into Java objects.
+

graalwasm/graalwasm-micronaut-excelize/aot-jar.properties

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+# AOT configuration properties for jar packaging
+# Please review carefully the optimizations enabled below
+# Check https://micronaut-projects.github.io/micronaut-aot/latest/guide/ for more details
+
+# Caches environment property values: environment properties will be deemed immutable after application startup.
+cached.environment.enabled=true
+
+# Precomputes Micronaut configuration property keys from the current environment variables
+precompute.environment.properties.enabled=true
+
+# Replaces logback.xml with a pure Java configuration
+logback.xml.to.java.enabled=true
+
+# Converts YAML configuration files to Java configuration
+yaml.to.java.config.enabled=true
+
+# Scans for service types ahead-of-time, avoiding classpath scanning at startup
+serviceloading.jit.enabled=true
+
+# Scans reactive types at build time instead of runtime
+scan.reactive.types.enabled=true
+
+# Deduces the environment at build time instead of runtime
+deduce.environment.enabled=true
+
+# Checks for the existence of some types at build time instead of runtime
+known.missing.types.enabled=true
+
+# Precomputes property sources at build time
+sealed.property.source.enabled=true
+
+# The list of service types to be scanned (comma separated)
+service.types=io.micronaut.context.env.PropertySourceLoader,io.micronaut.inject.BeanConfiguration,io.micronaut.inject.BeanDefinitionReference,io.micronaut.http.HttpRequestFactory,io.micronaut.http.HttpResponseFactory,io.micronaut.core.beans.BeanIntrospectionReference,io.micronaut.core.convert.TypeConverterRegistrar,io.micronaut.context.env.PropertyExpressionResolver
+
+# A list of types that the AOT analyzer needs to check for existence (comma separated)
+known.missing.types.list=io.reactivex.Observable,reactor.core.publisher.Flux,kotlinx.coroutines.flow.Flow,io.reactivex.rxjava3.core.Flowable,io.reactivex.rxjava3.core.Observable,io.reactivex.Single,reactor.core.publisher.Mono,io.reactivex.Maybe,io.reactivex.rxjava3.core.Single,io.reactivex.rxjava3.core.Maybe,io.reactivex.Completable,io.reactivex.rxjava3.core.Completable,io.methvin.watchservice.MacOSXListeningWatchService,io.micronaut.core.async.publisher.CompletableFuturePublisher,io.micronaut.core.async.publisher.Publishers.JustPublisher,io.micronaut.core.async.subscriber.Completable
+

graalwasm/graalwasm-micronaut-excelize/dependency-reduced-pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <parent>
+    <artifactId>micronaut-parent</artifactId>
+    <groupId>io.micronaut.platform</groupId>
+    <version>4.7.6</version>
+    <relativePath>../pom.xml/pom.xml</relativePath>
+  </parent>
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>com.example</groupId>
+  <artifactId>micronautdemo</artifactId>
+  <packaging>${packaging}</packaging>
+  <version>0.1</version>
+  <build>
+    <plugins>
+      <plugin>
+        <artifactId>maven-shade-plugin</artifactId>
+        <version>3.5.1</version>
+        <executions>
+          <execution>
+            <phase>package</phase>
+            <goals>
+              <goal>shade</goal>
+            </goals>
+            <configuration>
+              <transformers>
+                <transformer>
+                  <mainClass>org.openjdk.jmh.Main</mainClass>
+                </transformer>
+              </transformers>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>io.micronaut.maven</groupId>
+        <artifactId>micronaut-maven-plugin</artifactId>
+        <configuration>
+          <configFile>aot-${packaging}.properties</configFile>
+        </configuration>
+      </plugin>
+      <plugin>
+        <artifactId>maven-enforcer-plugin</artifactId>
+      </plugin>
+      <plugin>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <configuration>
+          <annotationProcessorPaths>
+            <path>
+              <groupId>io.micronaut</groupId>
+              <artifactId>micronaut-inject-java</artifactId>
+              <version>${micronaut.core.version}</version>
+            </path>
+            <path>
+              <groupId>org.openjdk.jmh</groupId>
+              <artifactId>jmh-generator-annprocess</artifactId>
+              <version>1.37</version>
+            </path>
+            <path>
+              <groupId>io.micronaut.data</groupId>
+              <artifactId>micronaut-data-processor</artifactId>
+              <version>${micronaut.data.version}</version>
+              <exclusions>
+                <exclusion>
+                  <groupId>io.micronaut</groupId>
+                  <artifactId>micronaut-inject</artifactId>
+                </exclusion>
+              </exclusions>
+            </path>
+            <path>
+              <groupId>io.micronaut</groupId>
+              <artifactId>micronaut-graal</artifactId>
+              <version>${micronaut.core.version}</version>
+            </path>
+            <path>
+              <groupId>io.micronaut</groupId>
+              <artifactId>micronaut-http-validation</artifactId>
+              <version>${micronaut.core.version}</version>
+            </path>
+            <path>
+              <groupId>io.micronaut.serde</groupId>
+              <artifactId>micronaut-serde-processor</artifactId>
+              <version>${micronaut.serialization.version}</version>
+              <exclusions>
+                <exclusion>
+                  <groupId>io.micronaut</groupId>
+                  <artifactId>micronaut-inject</artifactId>
+                </exclusion>
+              </exclusions>
+            </path>
+          </annotationProcessorPaths>
+          <compilerArgs>
+            <arg>-Amicronaut.processing.group=com.example</arg>
+            <arg>-Amicronaut.processing.module=micronautdemo</arg>
+          </compilerArgs>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>software.xdev</groupId>
+        <artifactId>music-maven-plugin</artifactId>
+        <version>1.0.3</version>
+        <executions>
+          <execution>
+            <phase>validate</phase>
+            <goals>
+              <goal>music</goal>
+            </goals>
+          </execution>
+        </executions>
+        <configuration>
+          <sources>
+            <musicSource>
+              <uri>https://incompetech.com/music/royalty-free/mp3-royaltyfree/Corncob.mp3</uri>
+            </musicSource>
+          </sources>
+          <shuffle>true</shuffle>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+  <repositories>
+    <repository>
+      <id>central</id>
+      <url>https://repo.maven.apache.org/maven2</url>
+    </repository>
+  </repositories>
+  <dependencies>
+    <dependency>
+      <groupId>io.micronaut</groupId>
+      <artifactId>micronaut-http-client</artifactId>
+      <version>4.7.14</version>
+      <scope>test</scope>
+      <exclusions>
+        <exclusion>
+          <artifactId>micronaut-http-client-core</artifactId>
+          <groupId>io.micronaut</groupId>
+        </exclusion>
+        <exclusion>
+          <artifactId>micronaut-websocket</artifactId>
+          <groupId>io.micronaut</groupId>
+        </exclusion>
+        <exclusion>
+          <artifactId>netty-handler-proxy</artifactId>
+          <groupId>io.netty</groupId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+    <dependency>
+      <groupId>io.micronaut.test</groupId>
+      <artifactId>micronaut-test-junit5</artifactId>
+      <version>4.6.2</version>
+      <scope>test</scope>
+      <exclusions>
+        <exclusion>
+          <artifactId>micronaut-test-core</artifactId>
+          <groupId>io.micronaut.test</groupId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-api</artifactId>
+      <version>5.11.3</version>
+      <scope>test</scope>
+      <exclusions>
+        <exclusion>
+          <artifactId>opentest4j</artifactId>
+          <groupId>org.opentest4j</groupId>
+        </exclusion>
+        <exclusion>
+          <artifactId>junit-platform-commons</artifactId>
+          <groupId>org.junit.platform</groupId>
+        </exclusion>
+        <exclusion>
+          <artifactId>apiguardian-api</artifactId>
+          <groupId>org.apiguardian</groupId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-engine</artifactId>
+      <version>5.11.3</version>
+      <scope>test</scope>
+      <exclusions>
+        <exclusion>
+          <artifactId>junit-platform-engine</artifactId>
+          <groupId>org.junit.platform</groupId>
+        </exclusion>
+        <exclusion>
+          <artifactId>apiguardian-api</artifactId>
+          <groupId>org.apiguardian</groupId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+    <dependency>
+      <groupId>org.graalvm.polyglot</groupId>
+      <artifactId>wasm</artifactId>
+      <version>24.2.1</version>
+      <type>pom</type>
+      <scope>compile</scope>
+      <exclusions>
+        <exclusion>
+          <artifactId>wasm</artifactId>
+          <groupId>org.graalvm.wasm</groupId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+    <dependency>
+      <groupId>org.graalvm.polyglot</groupId>
+      <artifactId>js</artifactId>
+      <version>24.2.1</version>
+      <type>pom</type>
+      <scope>compile</scope>
+      <exclusions>
+        <exclusion>
+          <artifactId>js</artifactId>
+          <groupId>org.graalvm.js</groupId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+  </dependencies>
+  <properties>
+    <micronaut.aot.enabled>false</micronaut.aot.enabled>
+    <exec.mainClass>com.example.Application</exec.mainClass>
+    <micronaut.aot.packageName>com.example.aot.generated</micronaut.aot.packageName>
+    <packaging>jar</packaging>
+    <micronaut.runtime>netty</micronaut.runtime>
+    <micronaut.version>4.7.6</micronaut.version>
+    <release.version>21</release.version>
+    <jdk.version>21</jdk.version>
+  </properties>
+</project>

graalwasm/graalwasm-micronaut-excelize/graal_dumps/2025.06.17.16.23.02.161/graal_diagnostics_31839@5/wasm-function:7257/TruffleHotSpotCompilation-9712[wasm-function:7257].cfg

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+begin_compilation
+  name " TruffleHotSpotCompilation-9712[wasm-function:7257]"
+  method "TruffleHotSpotCompilation-9712[wasm-function:7257]"
+  date 1750173782634
+end_compilation