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Issue bertramdev#287: Simplify native loader to use Javet OS utils
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@@ -14,3 +14,4 @@ asset-pipeline-site/src/assets/html/apidoc/ | |
| .jruby-container | ||
| .sass-cache | ||
| .sass-work | ||
| .shelf/ | ||
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100 changes: 100 additions & 0 deletions
100
sass-dart-asset-pipeline/src/main/groovy/asset/pipeline/dart/NativeLibraryLoader.groovy
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| @@ -0,0 +1,100 @@ | ||
| package asset.pipeline.dart | ||
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| import asset.pipeline.AssetPipelineConfigHolder | ||
| import com.caoccao.javet.enums.JSRuntimeType | ||
| import com.caoccao.javet.interop.loader.JavetLibLoader | ||
| import groovy.transform.CompileStatic | ||
| import groovy.util.logging.Slf4j | ||
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| import java.nio.channels.Channels | ||
| import java.nio.channels.FileChannel | ||
| import java.nio.channels.ReadableByteChannel | ||
| import java.util.jar.JarEntry | ||
| import java.util.jar.JarFile | ||
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| import static com.caoccao.javet.utils.JavetOSUtils.* | ||
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| @Slf4j | ||
| @CompileStatic | ||
| class NativeLibraryLoader { | ||
| static final String JAVET_VERSION = NativeLibraryLoader.class.classLoader.getResource("javet-version.txt").openStream().text | ||
| static final String BASE_URL = AssetPipelineConfigHolder.config?.javetBaseUrl ?: "https://repo1.maven.org/maven2/com/caoccao/javet" | ||
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| final JavetLibLoader javetLibLoader | ||
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| NativeLibraryLoader(JSRuntimeType jsRuntimeType) { | ||
| javetLibLoader = new JavetLibLoader(jsRuntimeType) | ||
| } | ||
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| private URL getJavetJARUrl() { | ||
| new URL("${BASE_URL}/${javetPackageName}/${JAVET_VERSION}/${getJavetFileName()}") | ||
| } | ||
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| private String getJavetPackageName() { | ||
| IS_MACOS ? "javet-macos" : "javet" | ||
| } | ||
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| private String getJavetFileName() { | ||
| "${javetPackageName}-${JAVET_VERSION}.jar" | ||
| } | ||
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| /** | ||
| * The native libraries are packed in the Javet platform specific jars. First we need to download the correct JAR | ||
| * for this platform and then we will extract the native library from it and into a temporary directory for loading. | ||
| * | ||
| * @return the downloaded Javet jar file for this platform | ||
| */ | ||
| private File downloadJavetJar() { | ||
| File jarFile = new File(TEMP_DIRECTORY, javetFileName) | ||
| if (jarFile.exists()) { | ||
| log.debug("Jar file ${jarFile.path} exists, skipping download") | ||
| return jarFile | ||
| } | ||
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| // Download the file | ||
| URL jarUrl = getJavetJARUrl() | ||
| log.info("Downloading sass-dart native library integration: ${jarUrl}") | ||
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| copyToFile(jarUrl.openStream(), jarFile) | ||
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| log.debug("Downloaded $jarUrl to $jarFile (${jarFile.size()} bytes)") | ||
| jarFile | ||
| } | ||
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| private void copyToFile(InputStream inputStream, File targetFile) { | ||
| ReadableByteChannel readableByteChannel = Channels.newChannel(inputStream) | ||
| FileOutputStream fileOutputStream = new FileOutputStream(targetFile) | ||
| FileChannel fileChannel = fileOutputStream.getChannel() | ||
| fileChannel.transferFrom(readableByteChannel, 0, Long.MAX_VALUE) | ||
| } | ||
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| /** | ||
| * A file reference to the platform and arch specific native library needed. | ||
| * @return the required native library for v8 integration | ||
| */ | ||
| File extractNativeLibrary() { | ||
| File file = downloadJavetJar() | ||
| if (!file.exists()) { | ||
| throw new IllegalStateException("Javet jar file $file does not exist, perhaps the download failed") | ||
| } | ||
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| String libraryName = javetLibLoader.libFileName | ||
| File jniLibrary = new File(TEMP_DIRECTORY, libraryName) | ||
| if (jniLibrary.exists()) { | ||
| log.debug("Native library $libraryName already exists, skipping extract") | ||
| return jniLibrary | ||
| } | ||
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| // Extract from the JAR file, should be in the root | ||
| JarFile jarFile = new JarFile(file) | ||
| JarEntry jarEntry = jarFile.getJarEntry(libraryName) | ||
| if (!jarEntry) { | ||
| throw new IllegalStateException("Could not load native library: $libraryName") | ||
| } | ||
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| copyToFile(jarFile.getInputStream(jarEntry), jniLibrary) | ||
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| log.debug("Extracted native library $libraryName to ${jniLibrary.path}") | ||
| jniLibrary | ||
| } | ||
| } |
106 changes: 0 additions & 106 deletions
106
sass-dart-asset-pipeline/src/main/groovy/asset/pipeline/dart/NativeLibraryUtil.groovy
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