Merge pull request #2 from objectiser/setup

Initial project setup

.gitignore

@@ -0,0 +1,24 @@
+# Build / maven artifacts
+*.class
+target/
+pom.xml.versionsBackup
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.war
+*.ear
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+# IntelliJ project files
+.idea/
+*.iml
+
+# Eclipse
+.project
+.classpath
+.settings
+

.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1 @@
+distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.0/apache-maven-3.5.0-bin.zip

.settings.xml

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Copyright 2017 The OpenTracing Authors
+
+    Licensed 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
+
+    http://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.
+
+-->
+<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
+                          http://maven.apache.org/xsd/settings-1.0.0.xsd">
+  <servers>
+    <server>
+      <id>sonatype</id>
+      <username>${env.SONATYPE_USER}</username>
+      <password>${env.SONATYPE_PASSWORD}</password>
+    </server>
+    <server>
+      <id>bintray</id>
+      <username>${env.BINTRAY_USER}</username>
+      <password>${env.BINTRAY_KEY}</password>
+    </server>
+    <server>
+      <id>jfrog-snapshots</id>
+      <username>${env.BINTRAY_USER}</username>
+      <password>${env.BINTRAY_KEY}</password>
+    </server>
+    <server>
+      <id>github.com</id>
+      <username>${env.GH_USER}</username>
+      <password>${env.GH_TOKEN}</password>
+    </server>
+  </servers>
+</settings>

.travis.yml

@@ -0,0 +1,43 @@
+sudo: required
+dist: trusty
+
+language: java
+jdk:
+- oraclejdk8
+
+cache:
+  directories:
+  - $HOME/.m2/repository
+
+before_install:
+  # allocate commits to CI, not the owner of the deploy key
+  - git config user.name "opentracingci"
+  - git config user.email "[email protected]"
+
+  # setup https authentication credentials, used by ./mvnw release:prepare
+  - git config credential.helper "store --file=.git/credentials"
+  - echo "https://$GH_TOKEN:@github.com" > .git/credentials
+
+install:
+  # Override default travis to use the maven wrapper
+  - ./mvnw install -DskipTests=true -Dmaven.javadoc.skip=true -B -V
+
+script:
+  - ./travis/publish.sh
+
+branches:
+  except:
+    - /^[0-9]/
+
+env:
+  global:
+  # Ex. travis encrypt -r org/repo GH_TOKEN=XXX-https://github.com/settings/tokens-XXX
+  - secure: "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"
+  # Ex. travis encrypt -r org/repo SONATYPE_USER=your_sonatype_account
+  - secure: "n1NdUm2haaFukpR3188URxAcfUuo08gQFyzPdZ7RlmFlJldi77nxmv3sNprphgj2rP/kcpdSHEsnxZqgfB34jLvv3PKwsO+auLn8biXPZN6DjBAlkT3mkNIdSNvs9rub2/E5u8EmCSUe4oseHHVflfaTzESHabX1rhMRQAGuLQE2cfDZp5JXnEdAUmZl6RyGGXazQvY36dx+kfEQaJJWqS2bZC03cwkjh/k/pGVpplrirD4LuidF/q+v0YlCI1XMWZYiYrkU7Cphhs46tq4n+2cCKS6Ymmj1Ck7WOk9x17KfHO2/DnwqaxjBTqIqJm7m7ObK5Cng8W13XKlbYGfsePBui9mgW6iJK4ClFtFrNqeys187qMU2ejT09PXcUEeGU6JL0TBUKGEiWJTAYG8fF5K6gJTyDM3jJBZfaR+Sl13DkHHUn7qxFLVbCaLWDUeRjsLiq05ipDhqSX9j+jat647SY9kU8sXugGxC20045uvv5TregpFa1xm4izBK1gB4a0TuFCAkqQX8L6u+PplD4mACVhY8tUeOkmdcSwuGsguL7zOZnbXQWdTTHanoJn9BsdVd21oZkE/TwfYshjH7UfASGd595SU+PXSS6BFwCnoD42w+X8ljfSGzf80LWY1XmTCrEXf3bcOVx+mef76SQJT/bm+zZ0FJ5AToY+xihms="
+  # Ex. travis encrypt -r org/repo SONATYPE_PASSWORD=your_sonatype_password
+  - secure: "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"
+  # Ex. travis encrypt -r org/repo BINTRAY_USER=your_github_account
+  - secure: "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"
+  # Ex. travis encrypt -r org/repo BINTRAY_KEY=xxx-https://bintray.com/profile/edit-xxx
+  - secure: "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"

README.md

@@ -1,2 +1,13 @@
-# java-observer
-Span life cycle observer API
+[![Build Status][ci-img]][ci] [![Released Version][maven-img]][maven]
+
+# OpenTracing Observer
+
+This project provides an observer API for the OpenTracing Tracer.
+
+## Release
+Follow instructions in [RELEASE](RELEASE.md)
+
+   [ci-img]: https://travis-ci.org/opentracing-contrib/java-observer.svg?branch=master
+   [ci]: https://travis-ci.org/opentracing-contrib/java-observer
+   [maven-img]: https://img.shields.io/maven-central/v/io.opentracing.contrib/opentracing-observer.svg?maxAge=2592000
+   [maven]: http://search.maven.org/#search%7Cga%7C1%7Copentracing-observer

RELEASE.md

@@ -0,0 +1,7 @@
+# OpenTracing Release Process
+
+This repo uses semantic versions. Please keep this in mind when choosing version numbers.
+
+For the up-to-date release process, please refer the
+[release process from the OpenTracing Java API](https://github.com/opentracing/opentracing-java/blob/master/RELEASE.md).
+

header.txt

@@ -0,0 +1,11 @@
+Copyright ${project.inceptionYear} The OpenTracing Authors
+
+Licensed 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
+
+http://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.

mvnw

@@ -0,0 +1,236 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# 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
+#
+#    http://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.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven2 Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+           #
+           # Look for the Apple JDKs first to preserve the existing behaviour, and then look
+           # for the new JDKs provided by Oracle.
+           #
+           if [ -z "$JAVA_HOME" ] && [ -L /System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK ] ; then
+             #
+             # Apple JDKs
+             #
+             export JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home
+           fi
+
+           if [ -z "$JAVA_HOME" ] && [ -L /System/Library/Java/JavaVirtualMachines/CurrentJDK ] ; then
+             #
+             # Apple JDKs
+             #
+             export JAVA_HOME=/System/Library/Java/JavaVirtualMachines/CurrentJDK/Contents/Home
+           fi
+
+           if [ -z "$JAVA_HOME" ] && [ -L "/Library/Java/JavaVirtualMachines/CurrentJDK" ] ; then
+             #
+             # Oracle JDKs
+             #
+             export JAVA_HOME=/Library/Java/JavaVirtualMachines/CurrentJDK/Contents/Home
+           fi
+
+           if [ -z "$JAVA_HOME" ] && [ -x "/usr/libexec/java_home" ]; then
+             #
+             # Apple JDKs
+             #
+             export JAVA_HOME=`/usr/libexec/java_home`
+           fi
+           ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  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"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Migwn, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+  # TODO classpath?
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  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
+  else
+    JAVACMD="`which java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+  local basedir=$(pwd)
+  local wdir=$(pwd)
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    wdir=$(cd "$wdir/.."; pwd)
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-$(find_maven_basedir)}
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+# avoid using MAVEN_CMD_LINE_ARGS below since that would loose parameter escaping in $@
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"