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Posted to notifications@freemarker.apache.org by dd...@apache.org on 2019/08/05 19:54:57 UTC

[freemarker] 02/02: Increased minimum Java version to 8

This is an automated email from the ASF dual-hosted git repository.

ddekany pushed a commit to branch 3
in repository https://gitbox.apache.org/repos/asf/freemarker.git

commit 60944fc1e26c86ad45d2da123d0feefab5f53c6e
Author: ddekany <dd...@apache.org>
AuthorDate: Mon Aug 5 21:54:03 2019 +0200

    Increased minimum Java version to 8
---
 .travis.yml                                        |   3 +-
 FM3-CHANGE-LOG.txt                                 |   3 +-
 README.md                                          |  12 +-
 build.gradle                                       |  31 ++--
 freemarker-core-test-java8/build.gradle            |  47 -----
 .../src/main/resources/META-INF/LICENSE            | 202 ---------------------
 gradle.properties.sample                           |   3 +-
 settings.gradle                                    |   1 -
 8 files changed, 26 insertions(+), 276 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index d673ccd..c9a4c5d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,12 +18,11 @@
 language: java
 #before_install:
 #  - sudo apt-get -qq update
-#  - sudo apt-get install -y openjdk-7-jre
+#  - sudo apt-get install -y openjdk-8-jre
 jdk:
 - openjdk8
 env:
   global:
-  - freemarker_build_boot_classpath_java_7=/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/rt.jar
   - freemarker_build_boot_classpath_java_8=/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/rt.jar
 install:
 - ./gradlew assemble aggregateJavadoc javadoc
diff --git a/FM3-CHANGE-LOG.txt b/FM3-CHANGE-LOG.txt
index 54bb96d..c532c5c 100644
--- a/FM3-CHANGE-LOG.txt
+++ b/FM3-CHANGE-LOG.txt
@@ -566,8 +566,7 @@ models by default like FreemarkerServlet does.
 Core / Miscellaneous
 ....................
 
-- Minimum Java version increased to 7 (including try-with-resources, as Android Studio 3.0 supports it on all
-  Android API levels).
+- Minimum Java version increased to 8
 - Removed support for incompatibleImprovements before 3.0.0. So currently 3.0.0 is the only support value.
 - Removed legacy extensions (so these has no module): rhyno, jython, xml (not to be confused with dom), jdom, ant.
 - Servlet 3.0 and JSP 2.2 and is the minimum requirement now (if Serlvet/JSP features are used at all).
diff --git a/README.md b/README.md
index 17d727e..9128660 100644
--- a/README.md
+++ b/README.md
@@ -163,8 +163,8 @@ Last tested Eclipse Oxygen (4.7.0)
     Number of imports required for .*: 99
     Number of static imports needed for .*: 1
   - Java -> Installed JRE-s:
-    Ensure that you have JDK 7 and JDK 8 installed, and that it was added to
-    Eclipse. Note that it's not JRE, but JDK.
+    Ensure that you have JDK 8 installed, and that it was added to Eclipse.
+    Note that it's not JRE, but JDK.
   - Java -> Compiler -> Javadoc:
     "Malformed Javadoc comments": Error
     "Only consider members as visible": Private
@@ -208,7 +208,7 @@ Last tested Eclipse Oxygen (4.7.0)
 ### IntelliJ IDEA
 
 Last tested on IntelliJ IDEA Community 2017.1.5.
-    
+
 - First, build the project with Gradle if you haven't yet (see earlier how).
 - "New..." -> "Project from existing source" (or if you start on the Welcome screen: "Import project")
   - Point to the project root directory
@@ -219,12 +219,6 @@ Last tested on IntelliJ IDEA Community 2017.1.5.
   - On the next window (if there's one), it will prompt to remove `freemarker` from the project.
     Let it do it (as it's an incorrect duplication of the `freemarker` root project).
   - At the end of this process you should have all modules in the Project tree view.
-- "File" -> "Project Structure..."
-  Under "Project", set the SDK to 1.7, and the language level to 7.
-  Under "Modules", expand the "freemarker" module in the tree view, and select
-  "freemarker-core-test-java8", and change the "Module SDK" to 1.8 (on the "Dependencies" tab).
-  Do the same with the "main" and "test" submodules under that (they are maybe shown as
-  "freemarker-core-test-java8_main" and "freemarker-core-test-java8_test" instead). 
 - "File" -> "Settings"
   - Under "Editor" / "Code style", import and use
     freemarker/src/ide-settings/IntelliJ-IDEA/Java-code-style-FreeMarker.xml
diff --git a/build.gradle b/build.gradle
index 45be0ef..c6e912f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -58,7 +58,7 @@ ext.bannedLibraries = [
 repositories {
     mavenLocal()
     mavenCentral()
-    // You don't want to repos here usually, but to `subproject { ... repositories {...} ... }` below
+    // You don't want to add repos here usually, but to `subproject { ... repositories {...} ... }` below
 }
 
 configurations {
@@ -69,8 +69,9 @@ dependencies {
     rat "org.apache.rat:apache-rat-tasks:0.12"
 }
 
-// Java boot-classpath setup:
-[7, 8].each { javaVersion ->
+// Java boot-classpath setup (add numbers to the array to support additional Java versions):
+int minJavaVersion = 8
+[minJavaVersion].each { javaVersion ->
     // Name used in gradle.properties:
     String propName = "bootClasspathJava${javaVersion}"
 
@@ -130,9 +131,9 @@ def javadocCommons = { callerDelegate ->
     options.docEncoding = "UTF-8"
     options.charSet = "UTF-8"
     options.locale = "en_US"
-    options.links = [ "http://docs.oracle.com/javase/8/docs/api/" ]
+    options.links = [ "https://docs.oracle.com/javase/" + minJavaVersion + "/docs/api/" ]
     doLast {
-        // We will fix low quality typography of JDK 8 Javadoc here. Bascially we make it look like JDK 7.
+        // We will fix low quality typography of JDK 8 Javadoc here. Basically we make it look like JDK 7.
 
         File cssFile = new File(outputDirectory, "stylesheet.css")
         assert cssFile.exists()
@@ -206,12 +207,20 @@ subprojects {
     apply plugin: "idea"
 
     // Default java compiler configuration (might be overridden in subprojects):
-    sourceCompatibility = "1.7"
-    targetCompatibility = "1.7"
-    [compileJava, compileTestJava]*.options*.bootClasspath = bootClasspathJava7
+    sourceCompatibility = "1." + minJavaVersion
+    targetCompatibility = "1." + minJavaVersion
+    [compileJava, compileTestJava]*.options*.bootClasspath = project.property("bootClasspathJava" + minJavaVersion)
+    /*
+    If a subproject needs a Java version X instead of minJavaVersion, it meant to do the below in its build.gradle. This
+    approach was only tried till Java 8 though, and Java 9 is quite different.
+
+        // Override inherited default Java version:
+        sourceCompatibility = "1.X"
+        targetCompatibility = "1.X"
+        [compileJava, compileTestJava]*.options*.bootClasspath = bootClasspathJavaX
+    */
     [compileJava, compileTestJava]*.options*.encoding = "UTF-8"
     // TODO Remove SuppressFBWarning-s from compileJava output somehow
-    // TODO Ensure that JUnit tests run on Java 7, except for the modules that were made for later versions.
 
     repositories {
         mavenLocal()
@@ -265,7 +274,7 @@ subprojects {
             version versionForOSGi
             license "Apache License, Version 2.0" // Has no effect on Gradle 3.5; see issues/2056 below
             vendor "Apache Software Foundation"
-            // TODO The autogenerated Bundle-SymbolicName is weird, esp. for freemarker-core-java8. How should it look?
+            // TODO The autogenerated Bundle-SymbolicName is weird. How should it look?
             
             attributes(
                 "Specification-Version": versionForMf,
@@ -292,7 +301,7 @@ subprojects {
         archives jar
         archives sourcesJar
         archives javadocJar
-        // TODO Archies must contain META-INF/{LICENSE,NOTICE,DISCLAIMER}; see in 2.3.x
+        // TODO Archives must contain META-INF/{LICENSE,NOTICE,DISCLAIMER}; see in 2.3.x
     }
 
     // The identical parts of Maven "deployer" and "installer" configuration:
diff --git a/freemarker-core-test-java8/build.gradle b/freemarker-core-test-java8/build.gradle
deleted file mode 100644
index a8a1aec..0000000
--- a/freemarker-core-test-java8/build.gradle
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * 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.
- */
-
-description = """\
-The unit tests of freemarker-core that need Java 8 features. These were moved to a separate project to avoid \
-a project that contains java files that require varous Java versions.
-"""
-published = false
-
-// Override inherited default Java version:
-sourceCompatibility = "1.8"
-targetCompatibility = "1.8"
-[compileJava, compileTestJava]*.options*.bootClasspath = bootClasspathJava8
-
-dependencies {
-    compile project(":freemarker-core")
-    compile project(":freemarker-test-utils")
-}
-
-// We have nothing to put into the jar, as we have test classes only
-jar.enabled = false
-sourcesJar.enabled = false
-
-javadoc.enabled = false
-javadocJar.enabled = false
-
-// Must not be deployed to a public Maven repository
-uploadArchives.enabled = false
-
-// Doesn't make sense to Maven "install" this, as the artifact won't contain test classes
-install.enabled = false
diff --git a/freemarker-core-test-java8/src/main/resources/META-INF/LICENSE b/freemarker-core-test-java8/src/main/resources/META-INF/LICENSE
deleted file mode 100644
index d645695..0000000
--- a/freemarker-core-test-java8/src/main/resources/META-INF/LICENSE
+++ /dev/null
@@ -1,202 +0,0 @@
-
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diff --git a/gradle.properties.sample b/gradle.properties.sample
index 6f3df54..ce83e6e 100644
--- a/gradle.properties.sample
+++ b/gradle.properties.sample
@@ -15,5 +15,4 @@
 # specific language governing permissions and limitations
 # under the License.
 
-bootClasspathJava7=C:/Program Files/Java/jdk1.7.0_25/jre/lib/rt.jar
-bootClasspathJava8=C:/Program Files/Java/jdk1.8.0_66/jre/lib/rt.jar
\ No newline at end of file
+bootClasspathJava8=C:/Program Files/Java/jdk1.8.0_212/jre/lib/rt.jar
diff --git a/settings.gradle b/settings.gradle
index f8f9b47..e610ee8 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -21,7 +21,6 @@ rootProject.name = 'freemarker'
 
 include 'freemarker-core'
 include 'freemarker-core-test'
-include 'freemarker-core-test-java8'
 include 'freemarker-servlet'
 include 'freemarker-test-utils'
 include 'freemarker-manual'