Java API for onnxruntime

java/build.gradle

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+/*
+ * Copyright © 2019, Oracle and/or its affiliates. All rights reserved.
+ * Licensed under the MIT License.
+ */
+import org.gradle.internal.jvm.Jvm
+import org.gradle.nativeplatform.platform.internal.DefaultNativePlatform
+
+plugins {
+    id 'cpp-library'
+    id 'java'
+    id 'maven'
+    id 'maven-publish'
+}
+
+group 'com.microsoft.onnxruntime'
+version '1.0.0-SNAPSHOT'
+
+sourceCompatibility = 1.8
+targetCompatibility = 1.8
+
+def os = DefaultNativePlatform.currentOperatingSystem
+def platform = 'unknown'
+
+repositories {
+    mavenLocal()
+    mavenCentral()
+}
+
+dependencies {
+  	testImplementation('org.junit.jupiter:junit-jupiter:5.4.2')
+}
+
+compileJava {
+    options.headerOutputDirectory = file("src/main/native")
+}
+
+library {
+    baseName = "ONNX4j"
+    targetMachines = [
+            machines.linux,
+            machines.macOS
+    ]
+    binaries.configureEach {
+        def compileTask = compileTask.get()
+        compileTask.dependsOn "compileJava"
+        compileTask.source.from fileTree(dir: "src/main/native", include: "**/*.c")
+        List<String> newCompilerArgs = new ArrayList<String>()
+        newCompilerArgs.add("-x")
+        newCompilerArgs.add("c")
+        newCompilerArgs.add("-std=c11")
+        if (targetMachine.operatingSystemFamily.macOs) {
+            newCompilerArgs.add("-I")
+            newCompilerArgs.add("${Jvm.current().javaHome}/include")
+            newCompilerArgs.add("-I")
+            newCompilerArgs.add("${Jvm.current().javaHome}/include/darwin")
+        } else if (targetMachine.operatingSystemFamily.linux) {
+            newCompilerArgs.add("-I")
+            newCompilerArgs.add("${Jvm.current().javaHome}/include")
+            newCompilerArgs.add("-I")
+            newCompilerArgs.add("${Jvm.current().javaHome}/include/linux")
+            newCompilerArgs.add("-D_FILE_OFFSET_BITS=64")
+        }
+        newCompilerArgs.add("-I")
+        newCompilerArgs.add("${project.rootDir}/../include/")
+        newCompilerArgs.add("-I")
+        newCompilerArgs.add("${project.rootDir}/../include/onnxruntime/")
+        newCompilerArgs.add("-I")
+        newCompilerArgs.add("${project.rootDir}/../include/onnxruntime/core/session/")
+        newCompilerArgs.add("-Werror")
+        compileTask.compilerArgs = newCompilerArgs
+
+        def linkTask = linkTask.get()
+        if (toolChain instanceof GccCompatibleToolChain) {
+            linkTask.linkerArgs = ["-nodefaultlibs", "-L../build/Linux/Debug/", "-lc", "-lonnxruntime"]
+        }
+    }
+}
+
+jar {
+    manifest {
+        attributes (
+          'Main-Class': "com.microsoft.onnxruntime.Main",
+          'Implementation-Title': project.name,
+          'Implementation-Version': project.version,
+          'Built-JDK': System.getProperty('java.version'),
+          'Build-Time-ISO-8601': new Date().format("yyyy-MM-dd'T'HH:mm:ssZ")
+        )
+    }
+    into("META-INF/maven/$project.group/$project.name") {
+        from { generatePomFileForMavenPublication }
+        rename ".*", "pom.xml"
+    }
+    into("/lib/") {
+        from { "build/lib/main/release/" + platform + "/" }
+        from { "../build/Linux/Debug/libonnxruntime.so" }
+    }
+}
+
+task('debugJar', type: Jar) {
+    dependsOn ":compileJava"
+    manifest {
+        attributes (
+                'Main-Class': "com.microsoft.onnxruntime.Main",
+                'Implementation-Title': project.name,
+                'Implementation-Version': project.version,
+                'Built-JDK': System.getProperty('java.version'),
+                'Build-Time-ISO-8601': new Date().format("yyyy-MM-dd'T'HH:mm:ssZ")
+        )
+    }
+    classifier = 'debug'
+    into("/") {
+        from { "build/classes/java/main/" }
+    }
+    into("META-INF/maven/$project.group/$project.name") {
+        from { generatePomFileForMavenPublication }
+        rename ".*", "pom.xml"
+    }
+    into("/lib/") {
+        from { "build/lib/main/debug/" + platform + "/" }
+        from { "../build/Linux/Debug/libonnxruntime.so" }
+    }
+}
+
+if (os.isLinux()) {
+    jar.dependsOn ":linkReleaseLinux"
+    debugJar.dependsOn ":linkDebugLinux"
+    platform = "linux"
+} else if (os.isMacOsX()) {
+    jar.dependsOn ":linkReleaseMacos"
+    debugJar.dependsOn ":linkDebugMacos"
+    platform = "macos"
+}
+
+test {
+    classpath = project.sourceSets.test.runtimeClasspath + files("build/lib/main/debug/" + platform + "/") + files("../build/Linux/Debug/")
+    useJUnitPlatform()
+    dependsOn 'cleanTest'
+    testLogging {
+        events "passed","skipped","failed"
+    }
+}
+
+publishing {
+    publications {
+      maven(MavenPublication) {
+        groupId project.group
+        artifactId project.name
+        version project.version
+
+        from components.java
+      }
+    }
+}

java/gradle/wrapper/gradle-wrapper.properties

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+#Wed May 15 16:11:00 EDT 2019
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip

java/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" "$@"