Bumped source and target compatibility to Java 1.8

.github/workflows/ci.yaml

@@ -16,7 +16,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v1
         with:
-          java-version: 7
+          java-version: 8
       - name: Gradle Clean Build
         run: ./gradlew clean build
 
@@ -27,10 +27,10 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-18.04, ubuntu-20.04]
-        java: [7, 8, 11, 17, 18-ea, 19-ea]
+        java: [8, 11, 17, 18-ea, 19-ea]
         exclude:
           - os: ubuntu-18.04
-            java: 7
+            java: 8
       fail-fast: false
       max-parallel: 4
 
@@ -51,7 +51,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v1
         with:
-          java-version: 7
+          java-version: 8
       - name: Gradle JavaDoc
         run: ./gradlew javadoc
 

.travis.yml

@@ -6,7 +6,6 @@ os: linux
 dist: trusty
 
 jdk:
-  - openjdk7
   - oraclejdk8
   - openjdk8
   - openjdk11

BUILDING.txt

@@ -4,7 +4,7 @@
 
 --[ Build requirements ]-------------------------------------
 
-* JDK 1.7
+* JDK 1.8
 
 --[ Building from the command line ]-------------------------
 

CHANGES.md

@@ -1,5 +1,17 @@
 # Hamcrest Changes
 
+## Version 3.0 (Unreleased)
+
+### Improvements
+
+* Java 1.8 or newer ([Issue #331](https://github.com/hamcrest/JavaHamcrest/issues/331)).
+
+TBD
+
+### Bugfixes
+
+TBD
+
 ## Version 2.3 (Unreleased)
 
 ### Improvements

build.gradle

@@ -3,14 +3,14 @@ apply plugin: 'osgi'
 apply plugin: 'maven-publish'
 
 group = "org.hamcrest"
-version = "2.3-SNAPSHOT"
+version = "3.0-SNAPSHOT"
 
 subprojects {
     apply plugin: 'checkstyle'
     apply plugin: 'java-library'
 
-    sourceCompatibility = JavaVersion.VERSION_1_7
-    targetCompatibility = JavaVersion.VERSION_1_7
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
 
     group = rootProject.group
     version = rootProject.version

hamcrest/hamcrest.gradle

@@ -3,8 +3,12 @@ apply plugin: 'osgi'
 version = rootProject.version
 
 dependencies {
-    testImplementation(group: 'junit', name: 'junit', version: '4.13.2') {
-        transitive = false
+    testImplementation(group: 'org.junit.jupiter', name: 'junit-jupiter-engine', version: '5.8.2') {
+        transitive = true
+    }
+    testImplementation(group: 'org.junit.vintage', name: 'junit-vintage-engine', version: '5.8.2') {
+        transitive = true
+        exclude(module: 'hamcrest-core')
     }
 }
 

hamcrest/src/main/java/org/hamcrest/collection/ArrayMatching.java

@@ -75,7 +75,7 @@ public static <T> Matcher<T[]> hasItemInArray(T element) {
    */
   @SafeVarargs
   public static <E> Matcher<E[]> arrayContainingInAnyOrder(Matcher<? super E>... itemMatchers) {
-      return arrayContainingInAnyOrder(asList(itemMatchers));
+      return arrayContainingInAnyOrder((Collection) asList(itemMatchers));
   }
 
   /**

hamcrest/src/main/java/org/hamcrest/collection/IsArrayContainingInAnyOrder.java

@@ -62,7 +62,7 @@ public void describeTo(Description description) {
      * @return The matcher.
      */
     public static <E> Matcher<E[]> arrayContainingInAnyOrder(Matcher<? super E>... itemMatchers) {
-        return arrayContainingInAnyOrder(Arrays.asList(itemMatchers));
+        return arrayContainingInAnyOrder((Collection) Arrays.asList(itemMatchers));
     }
 
     /**

hamcrest/src/main/java/org/hamcrest/collection/IsArrayContainingInOrder.java

@@ -78,7 +78,7 @@ public static <E> Matcher<E[]> arrayContaining(E... items) {
      * @return The matcher.
      */
     public static <E> Matcher<E[]> arrayContaining(Matcher<? super E>... itemMatchers) {
-        return arrayContaining(asList(itemMatchers));
+        return arrayContaining((List) asList(itemMatchers));
     }
 
     /**

hamcrest/src/main/java/org/hamcrest/collection/IsIterableContainingInAnyOrder.java

@@ -102,7 +102,7 @@ private boolean isMatched(S item) {
      */
     @SafeVarargs
     public static <T> Matcher<Iterable<? extends T>> containsInAnyOrder(Matcher<? super T>... itemMatchers) {
-        return containsInAnyOrder(Arrays.asList(itemMatchers));
+        return containsInAnyOrder((Collection) Arrays.asList(itemMatchers));
     }
 
     /**

hamcrest/src/main/java/org/hamcrest/collection/IsIterableContainingInRelativeOrder.java

@@ -105,7 +105,7 @@ public static <E> Matcher<Iterable<? extends E>> containsInRelativeOrder(E... it
      */
     @SafeVarargs
     public static <E> Matcher<Iterable<? extends E>> containsInRelativeOrder(Matcher<? super E>... itemMatchers) {
-        return containsInRelativeOrder(asList(itemMatchers));
+        return containsInRelativeOrder((List) asList(itemMatchers));
     }
 
     /**

hamcrest/src/main/java/org/hamcrest/core/AllOf.java

@@ -68,7 +68,7 @@ public static <T> Matcher<T> allOf(Iterable<Matcher<? super T>> matchers) {
      */
     @SafeVarargs
     public static <T> Matcher<T> allOf(Matcher<? super T>... matchers) {
-        return allOf(Arrays.asList(matchers));
+        return allOf((Iterable) Arrays.asList(matchers));
     }
 
 }

hamcrest/src/main/java/org/hamcrest/core/AnyOf.java

@@ -58,7 +58,7 @@ public static <T> AnyOf<T> anyOf(Iterable<Matcher<? super T>> matchers) {
      */
     @SafeVarargs
     public static <T> AnyOf<T> anyOf(Matcher<? super T>... matchers) {
-        return anyOf(Arrays.asList(matchers));
+        return anyOf((Iterable) Arrays.asList(matchers));
     }
 
 }

hamcrest/src/main/java/org/hamcrest/core/CombinableMatcher.java

@@ -69,7 +69,7 @@ public CombinableBothMatcher(Matcher<? super X> matcher) {
         this.first = matcher;
     }
     public CombinableMatcher<X> and(Matcher<? super X> other) {
-      return new CombinableMatcher<>(first).and(other);
+      return new CombinableMatcher(first).and(other);
     }
   }
 
@@ -94,7 +94,7 @@ public CombinableEitherMatcher(Matcher<? super X> matcher) {
         this.first = matcher;
     }
     public CombinableMatcher<X> or(Matcher<? super X> other) {
-      return new CombinableMatcher<>(first).or(other);
+      return new CombinableMatcher(first).or(other);
     }
   }