Add support for context set_tags

build.gradle

@@ -121,6 +121,11 @@ jar {
         from file("$buildDir/install/lib64/${System.mapLibraryName("tiledb")}")
         from file("$buildDir/install/lib64/${System.mapLibraryName("tiledbjni")}")
     }
+
+    manifest {
+        attributes("Implementation-Title": "Gradle",
+                "Implementation-Version": version)
+    }
 }
 
 task sourceJar(type: Jar) {

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.9-all.zip

gradlew

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -33,11 +33,11 @@ DEFAULT_JVM_OPTS=""
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD="maximum"
 
-warn ( ) {
+warn () {
     echo "$*"
 }
 
-die ( ) {
+die () {
     echo
     echo "$*"
     echo
@@ -154,16 +154,19 @@ if $cygwin ; then
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(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" == "$PWD" ]]; then
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
   cd "$(dirname "$0")"
 fi
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+exec "$JAVACMD" "$@"

src/main/java/io/tiledb/java/api/Context.java

@@ -170,6 +170,9 @@ private void createContext(Config config) throws TileDBError {
     this.ctxpp = _ctxpp;
     this.ctxp = tiledb.tiledb_ctx_tpp_value(_ctxpp);
     this.errorHandler = new ContextCallback();
+
+    // Set default tags
+    setDefaultTags();
   }
 
   protected SWIGTYPE_p_tiledb_ctx_t getCtxp() {
@@ -187,6 +190,40 @@ public Config getConfig() throws TileDBError {
     return new Config(_configpp);
   }
 
+  /**
+   * Set context tasks
+   *
+   * @param key to set
+   * @param value value to set
+   * @throws TileDBError
+   */
+  public void setTag(String key, String value) throws TileDBError {
+    handleError(tiledb.tiledb_ctx_set_tag(ctxp, key, value));
+  }
+
+  /**
+   * Set default context tags
+   *
+   * @throws TileDBError
+   */
+  private void setDefaultTags() throws TileDBError {
+    setTag("x-tiledb-api-language", "java");
+    Package pkg = Context.class.getPackage();
+    if (pkg != null) {
+      String version = pkg.getImplementationVersion();
+      if (version != null) {
+        setTag("x-tiledb-api-language-version", version);
+      }
+    }
+    String platform =
+        System.getProperty("os.name")
+            + "-"
+            + System.getProperty("os.verions")
+            + "-"
+            + System.getProperty("os.arch");
+    setTag("x-tiledb-api-sys-platform", platform);
+  }
+
   /**
    * Close the context and delete all native objects. Should be called always to cleanup the context
    */