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Merge pull request #30 from Electrostat-Lab/1.0.0-stable-branch
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1.0.0 stable branch
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@pavly-gerges
pavly-gerges committed Aug 8, 2024
2 parents bb00290 + 9da8878 commit f7cb347
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Showing 18 changed files with 448 additions and 253 deletions.
17 changes: 7 additions & 10 deletions snaploader-examples/src/main/java/electrostatic4j/snaploader/examples/TestBasicFeatures.java
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Expand Up @@ -32,10 +32,9 @@

package electrostatic4j.snaploader.examples;

import java.io.IOException;

import electrostatic4j.snaploader.LibraryInfo;
import electrostatic4j.snaploader.NativeBinaryLoader;
import electrostatic4j.snaploader.filesystem.DirectoryPath;
import electrostatic4j.snaploader.platform.util.DefaultDynamicLibraries;
import electrostatic4j.snaploader.platform.NativeDynamicLibrary;
import electrostatic4j.snaploader.platform.util.NativeVariant;
Expand All @@ -51,7 +50,7 @@
public final class TestBasicFeatures {

protected static final LibraryInfo libraryInfo = new LibraryInfo(getJarFilePath(),
"lib/placeholder",
new DirectoryPath(DefaultDynamicLibraries.LINUX_X86.getPlatformDirectory()),
getLibraryBaseName(),
getLibrariesAbsolutePath());

Expand Down Expand Up @@ -92,18 +91,16 @@ protected static void printDetails(NativeBinaryLoader loader) {
System.out.println("--------------------------------------------------------------");
}

protected static String getLibrariesAbsolutePath() {
return PropertiesProvider.USER_DIR.getSystemProperty() +
PropertiesProvider.FILE_SEPARATOR.getSystemProperty() + "libs";
protected static DirectoryPath getLibrariesAbsolutePath() {
return new DirectoryPath(PropertiesProvider.USER_DIR.getSystemProperty(), "libs");
}

protected static String getJarFilePath() {
return getLibrariesAbsolutePath() +
PropertiesProvider.FILE_SEPARATOR.getSystemProperty() + getJarFile();
protected static DirectoryPath getJarFilePath() {
return new DirectoryPath(getLibrariesAbsolutePath().getPath(), getJarFile());
}

protected static String getNativeDynamicLibraryPath() {
return getLibrariesAbsolutePath() +
return getLibrariesAbsolutePath().getPath() +
PropertiesProvider.FILE_SEPARATOR.getSystemProperty() +
"lib" + getLibraryBaseName() + ".so";
}
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6 changes: 3 additions & 3 deletions ...loader-examples/src/main/java/electrostatic4j/snaploader/examples/TestBasicFeatures2.java
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Expand Up @@ -32,12 +32,12 @@

package electrostatic4j.snaploader.examples;

import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.Files;
import electrostatic4j.snaploader.LibraryInfo;
import electrostatic4j.snaploader.NativeBinaryLoader;
import electrostatic4j.snaploader.filesystem.DirectoryPath;
import electrostatic4j.snaploader.platform.util.DefaultDynamicLibraries;
import electrostatic4j.snaploader.platform.NativeDynamicLibrary;
import electrostatic4j.snaploader.platform.util.NativeVariant;
Expand All @@ -59,8 +59,8 @@ public static void main(String[] args) throws Exception {
final Path extractionPath = Files.createDirectories(Paths.get(PropertiesProvider.USER_DIR.getSystemProperty(), "libs",
NativeVariant.OS_NAME.getProperty(), NativeVariant.OS_ARCH.getProperty()));

final LibraryInfo libraryInfo = new LibraryInfo(compressionPath.toString(), "lib/placeholder",
"jmealloc", extractionPath.toString());
final LibraryInfo libraryInfo = new LibraryInfo(new DirectoryPath(compressionPath.toString()), new DirectoryPath("lib/placeholder"),
"jmealloc", new DirectoryPath(extractionPath.toString()));

final NativeDynamicLibrary[] libraries = new NativeDynamicLibrary[] {
DefaultDynamicLibraries.LINUX_X86,
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5 changes: 3 additions & 2 deletions ...r-examples/src/main/java/electrostatic4j/snaploader/examples/TestFilesystemException.java
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Expand Up @@ -3,6 +3,7 @@
import electrostatic4j.snaploader.LibraryInfo;
import electrostatic4j.snaploader.LoadingCriterion;
import electrostatic4j.snaploader.NativeBinaryLoader;
import electrostatic4j.snaploader.filesystem.DirectoryPath;
import electrostatic4j.snaploader.platform.NativeDynamicLibrary;
import electrostatic4j.snaploader.platform.util.DefaultDynamicLibraries;
import electrostatic4j.snaploader.platform.util.NativeVariant;
Expand All @@ -20,8 +21,8 @@ public static void main(String[] args) throws Exception {
final Path extractionPath = Files.createDirectories(Paths.get(PropertiesProvider.USER_DIR.getSystemProperty(), "libs",
NativeVariant.OS_NAME.getProperty(), NativeVariant.OS_ARCH.getProperty()));

final LibraryInfo libraryInfo = new LibraryInfo(compressionPath.toString(), "lib/placeholder",
"jme3alloc", extractionPath.toString());
final LibraryInfo libraryInfo = new LibraryInfo(new DirectoryPath(compressionPath.toString()), new DirectoryPath("lib/placeholder"),
"jme3alloc", new DirectoryPath(extractionPath.toString()));

final NativeDynamicLibrary[] libraries = new NativeDynamicLibrary[] {
DefaultDynamicLibraries.LINUX_X86,
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10 changes: 4 additions & 6 deletions ...-examples/src/main/java/electrostatic4j/snaploader/examples/TestFilesystemMemoryLeak.java
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Expand Up @@ -35,13 +35,11 @@
import electrostatic4j.snaploader.filesystem.FileExtractionListener;
import electrostatic4j.snaploader.filesystem.FileExtractor;
import electrostatic4j.snaploader.filesystem.FileLocator;
import electrostatic4j.snaploader.filesystem.ZipCompressionType;
import electrostatic4j.snaploader.platform.util.PropertiesProvider;
import electrostatic4j.snaploader.util.SnapLoaderLogger;

import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.zip.ZipFile;

/**
* Testing impacts of memory leaks, test this using jconsole.
Expand All @@ -52,7 +50,7 @@ public class TestFilesystemMemoryLeak {
public static void main(String[] args) throws Exception {
/* Locates the image inside the Zip Compression */
SnapLoaderLogger.setLoggingEnabled(true);
final FileLocator fileLocator = new FileLocator(getZipAbsolutePath(), getFilePath(), ZipCompressionType.ZIP);
final FileLocator fileLocator = new FileLocator(new ZipFile(getZipAbsolutePath()), getFilePath());
/* Extracts the image filesystem from the Zip Compression */
final FileExtractor fileExtractor = new FileExtractor(fileLocator, getExtractionPath());
fileLocator.initialize(0);
Expand All @@ -79,12 +77,12 @@ public void onExtractionFinalization(FileExtractor fileExtractor, FileLocator fi
}

protected static String getZipAbsolutePath() {
return TestBasicFeatures.getLibrariesAbsolutePath() +
return TestBasicFeatures.getLibrariesAbsolutePath().getPath() +
PropertiesProvider.FILE_SEPARATOR.getSystemProperty() + "jmelogo700.zip";
}

protected static String getExtractionPath() {
return TestBasicFeatures.getLibrariesAbsolutePath() +
return TestBasicFeatures.getLibrariesAbsolutePath().getPath() +
PropertiesProvider.FILE_SEPARATOR.getSystemProperty() + getFilePath();
}

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11 changes: 5 additions & 6 deletions snaploader-examples/src/main/java/electrostatic4j/snaploader/examples/TestZipExtractor.java
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Expand Up @@ -32,15 +32,14 @@

package electrostatic4j.snaploader.examples;

import java.io.IOException;

import electrostatic4j.snaploader.filesystem.FileExtractionListener;
import electrostatic4j.snaploader.filesystem.FileExtractor;
import electrostatic4j.snaploader.filesystem.FileLocator;
import electrostatic4j.snaploader.filesystem.ZipCompressionType;
import electrostatic4j.snaploader.platform.util.PropertiesProvider;
import electrostatic4j.snaploader.throwable.FilesystemResourceScavengingException;

import java.util.zip.ZipFile;

/**
* Tests extracting an image compression from a Zip compression type filesystem using {@link FileExtractor} API.
*
Expand All @@ -50,7 +49,7 @@ public class TestZipExtractor {

public static void main(String[] args) throws Exception {
/* Locates the image inside the Zip Compression */
final FileLocator fileLocator = new FileLocator(getZipAbsolutePath(), getFilePath(), ZipCompressionType.ZIP);
final FileLocator fileLocator = new FileLocator(new ZipFile(getZipAbsolutePath()), getFilePath());
/* Extracts the image filesystem from the Zip Compression */
final FileExtractor fileExtractor = new FileExtractor(fileLocator, getExtractionPath());
fileLocator.initialize(0);
Expand Down Expand Up @@ -80,12 +79,12 @@ public void onExtractionFinalization(FileExtractor fileExtractor, FileLocator fi
}

protected static String getZipAbsolutePath() {
return TestBasicFeatures.getLibrariesAbsolutePath() +
return TestBasicFeatures.getLibrariesAbsolutePath().getPath() +
PropertiesProvider.FILE_SEPARATOR.getSystemProperty() + "jmelogo700.zip";
}

protected static String getExtractionPath() {
return TestBasicFeatures.getLibrariesAbsolutePath() +
return TestBasicFeatures.getLibrariesAbsolutePath().getPath() +
PropertiesProvider.FILE_SEPARATOR.getSystemProperty() + getFilePath();
}

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71 changes: 35 additions & 36 deletions snaploader/src/main/java/electrostatic4j/snaploader/LibraryInfo.java
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Expand Up @@ -32,6 +32,7 @@

package electrostatic4j.snaploader;

import electrostatic4j.snaploader.filesystem.DirectoryPath;
import electrostatic4j.snaploader.platform.NativeDynamicLibrary;

/**
Expand Down Expand Up @@ -59,41 +60,44 @@
*/
public final class LibraryInfo {

private String jarPath;
private String directory;
private DirectoryPath jarPath;
private DirectoryPath directory;
private String baseName;
private String extractionDir;
private DirectoryPath directoryPath;

/**
* Instantiates a library info data structure pointing to a library in the classpath.
*
* @param directory the platform-independent directory inside the compression used for locating the native dynamic library,
* this is used as a backup directory path
* in case the {@link NativeDynamicLibrary#getPlatformDirectory()} is not valid.
* @param baseName the library basename, for example, 'lib-basename.so'.
* @param extractionDir the extraction destination in absolute string format, "null" if the current [user.dir] is
* specified as the extraction directory
* @param baseName the library basename, for example, 'lib-basename.so' (not null).
* @param directoryPath the extraction destination path, {@link DirectoryPath#USER_DIR} for
* a user working directory extraction path,
* and {@link DirectoryPath#USER_HOME} for the user home (not null).
*/
public LibraryInfo(String directory, String baseName, String extractionDir) {
this(null, directory, baseName, extractionDir);
public LibraryInfo(DirectoryPath directory, String baseName, DirectoryPath directoryPath) {
this(DirectoryPath.CLASS_PATH, directory, baseName, directoryPath);
}

/**
* Instantiates a library info data structure pointing to a library in an external jar with jarPath.
*
* @param jarPath a path to an external jar to locate the library inside, "null" to use the project jar (classpath).
* @param jarPath a path to an external jar to locate the library inside, {@link DirectoryPath#CLASS_PATH} to assign the classpath routine
* to the {@link electrostatic4j.snaploader.filesystem.FileLocator} API (not null).
* @param directory the platform-independent directory inside the compression used for locating the native dynamic library,
* this is used as a backup directory path
* in case the {@link NativeDynamicLibrary#getPlatformDirectory()} is not valid.
* @param baseName the library basename, for example, 'lib-basename.so'.
* @param extractionDir the extraction destination in absolute string format, "null" if the current [user.dir] is
* specified as the extraction directory
* @param baseName the library basename, for example, 'lib-basename.so' (not null).
* @param directoryPath the extraction destination path, {@link DirectoryPath#USER_DIR} for
* a user working directory extraction path,
* and {@link DirectoryPath#USER_HOME} for the user home (not null).
*/
public LibraryInfo(String jarPath, String directory, String baseName, String extractionDir) {
public LibraryInfo(DirectoryPath jarPath, DirectoryPath directory, String baseName, DirectoryPath directoryPath) {
this.jarPath = jarPath;
this.directory = directory;
this.baseName = baseName;
this.extractionDir = extractionDir;
this.directoryPath = directoryPath;
}

/**
Expand All @@ -109,52 +113,48 @@ public String getBaseName() {
* Retrieves the jar filesystem path, the jar is the compression used to locate the native dynamic library to
* be extracted and loaded by {@link NativeBinaryLoader}.
*
* @return the jar absolute filesystem path in a string format, "null" if the classpath is specified instead of
* an external jar compression
* @return the jar absolute filesystem path object.
*/
public String getJarPath() {
public DirectoryPath getJarPath() {
return jarPath;
}

/**
* Retrieves the directory inside the compression used for locating the native dynamic library.
*
* @return the path to the dynamic library filesystem inside the compression, "null" if the
* default variant-based directories are set to be used
* @return the path to the dynamic library filesystem inside the compression.
*/
public String getDirectory() {
public DirectoryPath getDirectory() {
return directory;
}

/**
* Retrieves the extraction absolute directory.
*
* @return the extraction destination in absolute string format, "null" if the current [user.dir] is
* specified as the extraction directory
* @return the extraction destination path object.
*/
public String getExtractionDir() {
return extractionDir;
public DirectoryPath getExtractionDirectory() {
return directoryPath;
}

/**
* Sets the absolute path to the jar filesystem to locate the native dynamic library to be
* extracted and loaded, "null" to use the "classpath (the stock jar)"" to load the library filesystem.
*
* @param jarPath the absolute path to the jar filesystem to locate the library to be extracted, "null" to
* use the "classpath" (aka. the stock jar)
* @param jarPath the external jar path object to localize the compression, use {@link DirectoryPath#CLASS_PATH}
* to switch the file locator to the classpath routine.
*/
public void setJarPath(String jarPath) {
public void setJarPath(DirectoryPath jarPath) {
this.jarPath = jarPath;
}

/**
* Sets the directory to the native dynamic library inside the jar compression, "null" to use
* the default directories specified for each variant by {@link NativeBinaryLoader}.
*
* @param directory the location to the native dynamic library inside the jar compression, "null"
* to use the default variant-based directories
* @param directory the location to the native dynamic library inside the jar compression.
*/
public void setDirectory(String directory) {
public void setDirectory(DirectoryPath directory) {
this.directory = directory;
}

Expand All @@ -168,13 +168,12 @@ public void setBaseName(final String baseName) {
}

/**
* Sets the extraction directory used for extracting the native dynamic library in the
* form of an absolute directory, "null" to use the current [user.dir].
* Sets the extraction directory used for extracting the native dynamic library.
*
* @param extractionDir the absolute extraction directory to which the located library
* will be extracted to, "null" to set the extraction to the current [user.dir]
* @param directoryPath the extraction directory path to which the native-located library
* will be extracted to.
*/
public void setExtractionDir(String extractionDir) {
this.extractionDir = extractionDir;
public void setExtractionDirectory(DirectoryPath directoryPath) {
this.directoryPath = directoryPath;
}
}
9 changes: 6 additions & 3 deletions snaploader/src/main/java/electrostatic4j/snaploader/NativeBinaryLoader.java
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Expand Up @@ -35,6 +35,7 @@
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.jar.JarFile;
import java.util.logging.Level;
import java.lang.UnsatisfiedLinkError;
import electrostatic4j.snaploader.filesystem.FileExtractionListener;
Expand Down Expand Up @@ -349,8 +350,10 @@ public void onExtractionFinalization(FileExtractor fileExtractor, FileLocator fi
protected FileExtractor initializeLibraryExtractor(NativeDynamicLibrary library) throws Exception {
FileExtractor extractor;
if (library.getJarPath() != null) {
extractor = new LibraryExtractor(library.getJarPath(), library.getCompressedLibrary(), library.getExtractedLibrary());
// use an extractor with the external jar routine
extractor = new LibraryExtractor(new JarFile(library.getJarPath()), library.getCompressedLibrary(), library.getExtractedLibrary());
} else {
// use an extractor with the classpath routine
extractor = new LibraryExtractor(library.getCompressedLibrary(), library.getExtractedLibrary());
}
extractor.initialize(0);
Expand All @@ -363,7 +366,7 @@ protected LibraryLocator preInitLibraryLocator(FileExtractor extractor) {
extractor.getFileLocator().setFileLocalizingListener(new FileLocalizingListener() {
@Override
public void onFileLocalizationSuccess(FileLocator locator) {
SnapLoaderLogger.log(Level.INFO, getClass().getName(), "initializeLibraryExtractor",
SnapLoaderLogger.log(Level.INFO, getClass().getName(), "preInitLibraryLocator",
"Locating native libraries has succeeded!");

// bind the library locator lifecycle to the user application
Expand All @@ -374,7 +377,7 @@ public void onFileLocalizationSuccess(FileLocator locator) {

@Override
public void onFileLocalizationFailure(FileLocator locator, Throwable throwable) {
SnapLoaderLogger.log(Level.SEVERE, getClass().getName(), "initializeLibraryExtractor",
SnapLoaderLogger.log(Level.SEVERE, getClass().getName(), "preInitLibraryLocator",
"Locating native libraries has failed!", throwable);
try {
extractor.close();
Expand Down
4 changes: 1 addition & 3 deletions snaploader/src/main/java/electrostatic4j/snaploader/filesystem/ConcurrentFileExtractor.java
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Expand Up @@ -32,7 +32,6 @@

package electrostatic4j.snaploader.filesystem;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.concurrent.locks.ReentrantLock;

Expand All @@ -53,9 +52,8 @@ public class ConcurrentFileExtractor extends FileExtractor {
*
* @param fileLocator locates a filesystem inside a zip compression
* @param destination an absolute filesystem path representing the extraction destination filesystem
* @throws FileNotFoundException if the destination filesystem path is not found
*/
public ConcurrentFileExtractor(FileLocator fileLocator, String destination) throws FileNotFoundException {
public ConcurrentFileExtractor(FileLocator fileLocator, String destination) {
super(fileLocator, destination);
}

Expand Down
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