Merge pull request #421 from teyrana/upgrade_java_8

Upgrade java 8: ant, eclipse, travis. Resolves #414

.travis.yml

@@ -6,6 +6,6 @@ addons:
     packages:
       - ant-optional
 jdk:
-  - openjdk7
+  - openjdk8
 script:
  - "ant -buildfile build.xml clean check jar unittest"

core/.settings/org.eclipse.jdt.core.prefs

@@ -1,9 +1,9 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.7
+org.eclipse.jdt.core.compiler.compliance=1.8
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -71,7 +71,7 @@ org.eclipse.jdt.core.compiler.problem.unusedParameterWhenOverridingConcrete=disa
 org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=warning
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.source=1.7
+org.eclipse.jdt.core.compiler.source=1.8
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0

core/build.xml

@@ -55,7 +55,7 @@
 	<target name="build">
 		<mkdir dir="${classes.dir}"/>
 		<echo level="info">Compiling main classes</echo>
-		<javac debug="true" srcdir="${src.dir}" destdir="${classes.dir}" classpathref="classpath" includeantruntime="false" source="1.7" target="1.7"/>
+		<javac debug="true" srcdir="${src.dir}" destdir="${classes.dir}" classpathref="classpath" includeantruntime="false" source="1.8" target="1.8"/>
 	</target>
 	
 	<!-- Executible Eclipse-Jar-In-Jar style JAR -->

swing/.settings/org.eclipse.jdt.core.prefs

@@ -7,9 +7,9 @@ org.eclipse.jdt.core.compiler.annotation.nullable=org.eclipse.jdt.annotation.Nul
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.7
+org.eclipse.jdt.core.compiler.compliance=1.8
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -97,4 +97,4 @@ org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=warning
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.source=1.7
+org.eclipse.jdt.core.compiler.source=1.8

swing/build.xml

@@ -71,7 +71,7 @@
 	<target name="build">
 		<mkdir dir="${classes.dir}"/>
 		<echo level="info">Compiling main classes</echo>
-		<javac debug="true" srcdir="${src.dir}" destdir="${classes.dir}" classpathref="classpath" includeantruntime="false" source="1.7" target="1.7"/>
+		<javac debug="true" srcdir="${src.dir}" destdir="${classes.dir}" classpathref="classpath" includeantruntime="false" source="1.8" target="1.8"/>
 	</target>
 	
 	<!-- Executible Eclipse-Jar-In-Jar style JAR -->