Modernization updates

* Java 7
* OSGi
* Gradle 5.6.3
* lint / errorprone, plus some fixes
* TravisCI
* bump validator version to latest
* bump mockito-core version to latest

Author: Capstan

.travis.yml

@@ -0,0 +1,17 @@
+language: java
+jdk:
+  - openjdk8
+  - openjdk11
+install: {}
+script:
+  - ./gradlew assemble check
+
+before_cache:
+  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
+  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+
+cache:
+  directories:
+    - $HOME/.gradle/caches/
+    - $HOME/.gradle/wrapper/
+

build.gradle

@@ -16,7 +16,18 @@
  * - ASL 2.0: http://www.apache.org/licenses/LICENSE-2.0.txt
  */
 
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'biz.aQute.bnd:biz.aQute.bnd.gradle:4.2.0'
+    }
+};
 
+plugins {
+    id("net.ltgt.errorprone") version "0.8.1" apply false
+}
 
 /*
  * This has to be here... It will not be taken into account in common.gradle!
@@ -51,24 +62,50 @@
 apply(plugin: "java");
 apply(plugin: "maven");
 apply(plugin: "signing");
-apply(plugin: "osgi");
+apply(plugin: "biz.aQute.bnd.builder");
 apply(plugin: "idea");
 apply(plugin: "eclipse");
+apply(plugin: "net.ltgt.errorprone");
 
 apply(from: "project.gradle");
 
+group = "com.github.java-json-tools";
+
+ext.forRelease = !version.endsWith("-SNAPSHOT");
+
 /*
  * Repositories to use
  */
 repositories {
     mavenCentral();
+    if (!forRelease) {
+        maven {
+            url "https://oss.sonatype.org/content/repositories/snapshots"
+        }
+    }
+    /* Allow staging references for last pre-release testing. */
+    if (project.properties.containsKey("sonatypeUsername")) {
+        maven {
+            url "https://oss.sonatype.org/service/local/staging/deploy/maven2"
+            credentials {
+                username = project.properties["sonatypeUsername"]
+                password = project.properties["sonatypePassword"]
+            }
+        }
+    }
+}
+
+/*
+ * Add errorprone checking.
+ */
+dependencies {
+    errorprone("com.google.errorprone:error_prone_core:2.3.3")
+    errorproneJavac("com.google.errorprone:javac:9+181-r4173-1")
 }
 
 /*
  * Necessary! Otherwise TestNG will not be used...
  *
- * Also, we don't want gradle's default HTML report: it does not support
- * parameterized tests which I use a _lot_.
  */
 test {
     useTestNG() {
@@ -84,6 +121,20 @@ task sourcesJar(type: Jar, dependsOn: classes) {
     from sourceSets.main.allSource;
 }
 
+/*
+ * Lint all the things!
+ */
+allprojects {
+    gradle.projectsEvaluated {
+        tasks.withType(JavaCompile) {
+            options.compilerArgs << "-Xlint:all" << "-Xlint:-serial" << "-Xlint:-deprecation" << "-Werror"
+        }
+        tasks.withType(Javadoc) {
+            options.addStringOption('Xwerror', '-quiet')
+        }
+    }
+}
+
 /*
  * Javadoc: we need to tell where the overview.html is, it will not pick it up
  * automatically...
@@ -104,39 +155,42 @@ artifacts {
     archives javadocJar;
 }
 
-task wrapper(type: Wrapper) {
-    gradleVersion = "1.11";
-    distributionUrl = "http://services.gradle.org/distributions/gradle-${gradleVersion}-all.zip";
+wrapper {
+    gradleVersion = "5.6.3";
+    distributionUrl = "https://services.gradle.org/distributions/gradle-${gradleVersion}-all.zip";
 }
 
-task pom << {
-    pom {}.writeTo("${projectDir}/pom.xml");
+task pom {
+    doLast {
+        pom {}.writeTo("${projectDir}/pom.xml");
+    }
 }
 
 /*
  * SIGNING
  */
 
 project.ext {
-    gitrwscm = sprintf("git@github.com:fge/%s", name);
-    gitroscm = sprintf("https://github.com/fge/%s.git", name);
-    projectURL = sprintf("https://github.com/fge/%s", name);
+    scmUrl = sprintf("git@github.com:java-json-tools/%s.git", name);
+    projectURL = sprintf("https://github.com/java-json-tools/%s", name);
     sonatypeStaging = "https://oss.sonatype.org/service/local/staging/deploy/maven2/";
     sonatypeSnapshots = "https://oss.sonatype.org/content/repositories/snapshots/";
 };
 
-task checkSigningRequirements << {
-    def requiredProperties = [ "sonatypeUsername", "sonatypePassword" ];
-    def noDice = false;
-    requiredProperties.each {
-        if (project.properties[it] == null) {
-            noDice = true;
-            System.err.printf("property \"%s\" is not defined!")
+task checkSigningRequirements {
+    doLast {
+        def requiredProperties = [ "sonatypeUsername", "sonatypePassword" ];
+        def noDice = false;
+        requiredProperties.each {
+            if (project.properties[it] == null) {
+                noDice = true;
+                System.err.printf("property \"%s\" is not defined!\n", it);
+            }
         }
+        if (noDice)
+            throw new IllegalStateException("missing required properties for " +
+                "upload");
     }
-    if (noDice)
-        throw new IllegalStateException("missing required properties for " +
-            "upload");
 }
 
 uploadArchives {
@@ -172,15 +226,15 @@ uploadArchives {
     uploadArchives.repositories.mavenDeployer
 ]*.pom*.whenConfigured { pom ->
     pom.project {
-        name "${name}";
+        name "${project.name}";
         packaging "jar";
-        description "${description}";
+        description "${project.ext.description}";
         url "${projectURL}";
 
         scm {
-            url "${gitrwscm}";
-            connection "${gitrwscm}";
-            developerConnection "${gitroscm}";
+            url "${scmUrl}";
+            connection "${scmUrl}";
+            developerConnection "scm:git:${scmUrl}";
         }
 
         licenses {
@@ -198,15 +252,14 @@ uploadArchives {
 
         developers {
             developer {
-                id "fge";
-                name "Francis Galiegue";
-                email "fgaliegue@gmail.com";
+                id "huggsboson";
+                name "John Huffaker";
+                email "jhuffaker+java-json-tools@gmail.com";
             }
         }
     }
 }
 
-ext.forRelease = !version.endsWith("-SNAPSHOT");
 signing {
     required { forRelease && gradle.taskGraph.hasTask("uploadArchives") };
     sign configurations.archives;

gradle/wrapper/gradle-wrapper.jar

@@ -1,24 +1,5 @@
-#
-# Copyright (c) 2014, Francis Galiegue (fgaliegue@gmail.com)
-#
-# This software is dual-licensed under:
-#
-# - the Lesser General Public License (LGPL) version 3.0 or, at your option, any
-#   later version;
-# - the Apache Software License (ASL) version 2.0.
-#
-# The text of both licenses is available under the src/resources/ directory of
-# this project (under the names LGPL-3.0.txt and ASL-2.0.txt respectively).
-#
-# Direct link to the sources:
-#
-# - LGPL 3.0: https://www.gnu.org/licenses/lgpl-3.0.txt
-# - ASL 2.0: http://www.apache.org/licenses/LICENSE-2.0.txt
-#
-
-#Tue Apr 08 12:56:01 CEST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=http\://services.gradle.org/distributions/gradle-1.11-all.zip