add jdk6 compatibility check

.gitignore

@@ -1,9 +1,141 @@
-*.class
-.idea/
-*.iml
+# Created with https://www.gitignore.io
+
+### Gradle ###
 .gradle/
 build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+### JetBrains ###
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm
+
+/*.iml
+
+## Directory-based project format:
+.idea/
+
+## File-based project format:
+*.ipr
+*.iws
+
+## Plugin-specific files:
+
+# IntelliJ
 out/
 
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+
+
+### Eclipse ###
+*.pydevproject
+.metadata
+bin/
+tmp/
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.settings/
+.loadpath
+
+# External tool builders
+.externalToolBuilders/
+
+# Locally stored "Eclipse launch configurations"
+*.launch
+
+# CDT-specific
+.cproject
+
+# PDT-specific
+.buildpath
+
+# sbteclipse plugin
+.target
+
+# TeXlipse plugin
+.texlipse
+
+### Java ###
+*.class
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
+
+
+### NetBeans ###
+nbproject/private/
+nbbuild/
+dist/
+nbdist/
+nbactions.xml
+nb-configuration.xml
+
+
+### OSX ###
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear on external disk
+.Spotlight-V100
+.Trashes
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+
+### Windows ###
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+
+### Linux ###
+*~
+
+# KDE directory preferences
+.directory

build.gradle

@@ -10,6 +10,12 @@ description = 'Dropwizard guice integration'
 
 // convention: project.name == github project name == bintray package page
 project.ext {
+    build = {
+        gradle = 2.1
+        java = 1.6
+        // if not empty runs animal sniffer on compile to guarantee binary compatibility; set '' to disable
+        signature = 'org.codehaus.mojo.signature:java16-sun:+@signature'
+    }
     github = {
         user = 'xvik'
     }
@@ -20,7 +26,8 @@ project.ext {
         tags = ['dropwizard','guice']
         dryRun = false // whether to run this as dry-run, without deploying (TEST RUN)
         publish = true //If version should be auto published after an upload
-        signFiles = true // true to sign files on bintray (certificate must be installed on bintray account)
+        signFiles = true // true to gpg sign files on bintray (certificate must be installed on bintray account)
+        gpgPassphrase = project.hasProperty('gpgPassphrase') ? gpgPassphrase : '' // optionally configured in ~/.gradle/gradle.properties if certificate requires it
     }
     license = 'MIT'
     licenseDesc = 'The MIT License'
@@ -53,9 +60,7 @@ apply plugin: 'groovy'
 apply plugin: 'com.github.ben-manes.versions'
 apply plugin: 'project-report'
 
-sourceCompatibility = 1.6
-targetCompatibility = 1.6
-
+apply from: 'gradle/build.gradle'
 apply from: 'gradle/github.gradle'
 apply from: 'gradle/bintray.gradle'
 apply from: 'gradle/release.gradle'
@@ -85,10 +90,6 @@ dependencies {
     testCompile 'cglib:cglib-nodep:2.2.2'
 }
 
-task wrapper(type: Wrapper) {
-    gradleVersion = '2.1'
-}
-
 task checkOutOfDate(type: DependencyUpdatesTask, description: 'Checks dependencies updates availability') {
     revision 'release'
 }

gradle/bintray.gradle

@@ -1,21 +1,9 @@
-import org._10ne.gradle.rest.RestTask
-
-buildscript {
-    apply from: "gradle/buildscript.gradle", to: buildscript
-}
-
 apply plugin: 'com.jfrog.bintray'
-apply plugin: 'org.10ne.rest'
 
 // hack: without it bintray property is not visible (???!)
 logger.debug("$project.ext.bintray")
 def bintrayCfg = project.ext.bintray
 
-def bitrayApiUrl = "https://api.bintray.com"
-// bintray will not accept snapshot versions, so its safe to fix version manually
-bintrayCfg.signApiUrl = ("$bitrayApiUrl/gpg/$bintrayCfg.user/$bintrayCfg.repo/$project.name/versions/$project.version".replace('-SNAPSHOT',''))
-bintrayCfg.publishApiUrl = ("$bitrayApiUrl/content/$bintrayCfg.user/$bintrayCfg.repo/$project.name/$project.version/publish".replace('-SNAPSHOT',''))
-
 bintray {
     user = bintrayCfg.user
     key = bintrayCfg.key
@@ -32,37 +20,11 @@ bintray {
         vcsUrl = github.scm
         licenses = [license]
         labels = bintrayCfg.tags
+        version {
+            gpg {
+                sign = bintrayCfg.signFiles
+                passphrase = bintrayCfg.gpgPassphrase
+            }
+        }
     }
-}
-
-// no way to do it from web ui and bintray plugin doesn't support it
-// NOTE: files wil remain unpublished so go to bintray and publish them, after that do maven central sync (on web ui)
-task bintraySignVersion(type: RestTask, description: 'Sign version files (auto sign bintray feature') {
-    httpMethod = 'post'
-    uri = bintray.signApiUrl
-    username = bintray.user
-    password = bintray.key
-}
-bintraySignVersion.doFirst {
-    // cancel task in dry run mode
-    if (bintray.dryRun) {
-        logger.warn('Skipping version signing in dry run mode')
-        throw new StopExecutionException()
-    }
-}
-
-task bintraySign(type: RestTask, dependsOn: 'bintraySignVersion', description: 'Sign version files and publish sign files') {
-    httpMethod = 'post'
-    uri = bintray.publishApiUrl
-    username = bintray.user
-    password = bintray.key
-}
-bintraySign.doFirst {
-    // cancel task in dry run mode
-    if (bintray.dryRun) {
-        logger.warn('Skipping version publishing in dry run mode')
-        throw new StopExecutionException()
-    }
-}
-
-bintraySign.mustRunAfter bintrayUpload
+}

gradle/build.gradle

@@ -0,0 +1,27 @@
+// hack: without it build property is not visible (???!)
+logger.debug("$project.ext.build")
+def buildCfg = project.ext.build
+
+// compatibility required only for main classes - test don't need restrictions
+compileJava {
+    sourceCompatibility = buildCfg.java
+    targetCompatibility = buildCfg.java
+}
+
+boolean signatureSet = buildCfg.signature
+if (signatureSet) {
+    apply plugin: 'be.insaneprogramming.gradle.animalsniffer'
+
+    animalsniffer {
+        signature = buildCfg.signature
+        ignores = [] // list of packages to ignore
+        annotations = [] // supported annotations to signal Animal Sniffer to ignore annotated elements
+        excludeDependencies = true // only disable if you have signatures for all dependencies!
+        skip = false // skip animal sniffer tasks
+        runForTests = false // run animal sniffer for test classes as well
+    }
+}
+
+task wrapper(type: Wrapper) {
+    gradleVersion = buildCfg.gradle
+}

gradle/buildscript.gradle

@@ -6,12 +6,11 @@ repositories {
 }
 dependencies {
     // bintray upload
-    classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:0.5"
-    // rest support to call some bintray api methods directly
-    classpath "org._10ne.gradle:rest-gradle-plugin:0.3.1"
+    classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:0.6"
     // coveralls integration
-    classpath "org.kt3k.gradle.plugin:coveralls-gradle-plugin:2.0.0"
+    classpath "org.kt3k.gradle.plugin:coveralls-gradle-plugin:2.0.1"
     // check dependencies updates
     classpath "com.github.ben-manes:gradle-versions-plugin:0.5"
     classpath 'com.github.townsfolk:gradle-release:1.2'
+    classpath "be.insaneprogramming.gradle:animalsniffer-gradle-plugin:1.4.0"
 }

gradle/release.gradle

@@ -19,11 +19,7 @@ if (file("$project.rootDir/.git").exists()) {
         }
     }
 
-    if (project.ext.bintray.signFiles) {
-        createReleaseTag.dependsOn bintrayUpload, bintraySign
-    } else {
-        createReleaseTag.dependsOn bintrayUpload
-    }
+    createReleaseTag.dependsOn bintrayUpload
     release.doLast {
         logger.warn "RELEASED $project.group:$project.name:$project.version"
     }

gradle/wrapper/gradle-wrapper.properties

@@ -1,4 +1,4 @@
-#Fri Sep 19 01:20:41 NOVT 2014
+#Tue Oct 07 00:12:40 NOVT 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME