Add Java 27 Constants

Author: jarthana

org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/EECompilationParticipant.java

@@ -234,6 +234,8 @@ public static String getCompilerCompliance(IVMInstall2 vMInstall) {
 		String version = vMInstall.getJavaVersion();
 		if (version == null) {
 			return null;
+		} else if (matchesMajorVersion(version, JavaCore.VERSION_27)) {
+			return JavaCore.VERSION_27;
 		} else if (matchesMajorVersion(version, JavaCore.VERSION_26)) {
 			return JavaCore.VERSION_26;
 		} else if (matchesMajorVersion(version, JavaCore.VERSION_25)) {

org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/StandardVMType.java

@@ -808,7 +808,10 @@ public URL getDefaultJavadocLocation(File installLocation) {
 	 */
 	public static URL getDefaultJavadocLocation(String version) {
 		try {
-			if (version.startsWith(JavaCore.VERSION_26)) {
+			if (version.startsWith(JavaCore.VERSION_27)) {
+				// Java 27 docs aren't published yet
+				return new URI("https://docs.oracle.com/en/java/javase/26/docs/api/").toURL(); //$NON-NLS-1$
+			} else if (version.startsWith(JavaCore.VERSION_26)) {
 				return new URI("https://docs.oracle.com/en/java/javase/26/docs/api/").toURL(); //$NON-NLS-1$
 			} else if (version.startsWith(JavaCore.VERSION_25)) {
 				return new URI("https://docs.oracle.com/en/java/javase/25/docs/api/").toURL(); //$NON-NLS-1$

org.eclipse.jdt.launching/launching/org/eclipse/jdt/internal/launching/environments/ExecutionEnvironmentAnalyzer.java

@@ -41,6 +41,7 @@ public class ExecutionEnvironmentAnalyzer implements IExecutionEnvironmentAnalyz
 
 	// XXX: Note that this string is not yet standardized by OSGi, see http://wiki.osgi.org/wiki/Execution_Environment
 
+	private static final String JavaSE_27 = "JavaSE-27"; //$NON-NLS-1$
 	private static final String JavaSE_26 = "JavaSE-26"; //$NON-NLS-1$
 	private static final String JavaSE_25 = "JavaSE-25"; //$NON-NLS-1$
 	private static final String JavaSE_24 = "JavaSE-24"; //$NON-NLS-1$
@@ -117,6 +118,7 @@ public class ExecutionEnvironmentAnalyzer implements IExecutionEnvironmentAnalyz
 		mappings.put(JavaSE_24, new String[] { JavaSE_23 });
 		mappings.put(JavaSE_25, new String[] { JavaSE_24 });
 		mappings.put(JavaSE_26, new String[] { JavaSE_25 });
+		mappings.put(JavaSE_27, new String[] { JavaSE_26 });
 	}
 	@Override
 	public CompatibleEnvironment[] analyze(IVMInstall vm, IProgressMonitor monitor) throws CoreException {
@@ -142,7 +144,9 @@ public CompatibleEnvironment[] analyze(IVMInstall vm, IProgressMonitor monitor)
 					types = getTypes(CDC_FOUNDATION_1_1);
 				}
 			} else {
-				if (javaVersion.startsWith("26")) { //$NON-NLS-1$
+				if (javaVersion.startsWith("27")) { //$NON-NLS-1$
+					types = getTypes(JavaSE_27);
+				} else if (javaVersion.startsWith("26")) { //$NON-NLS-1$
 					types = getTypes(JavaSE_26);
 				} else if (javaVersion.startsWith("25")) { //$NON-NLS-1$
 					types = getTypes(JavaSE_25);

org.eclipse.jdt.launching/plugin.properties

@@ -88,6 +88,7 @@ environment.description.27 = Java Platform, Standard Edition 23
 environment.description.28 = Java Platform, Standard Edition 24
 environment.description.29 = Java Platform, Standard Edition 25
 environment.description.30 = Java Platform, Standard Edition 26
+environment.description.31 = Java Platform, Standard Edition 27
 
 classpathVariableInitializer.deprecated = Use the JRE System Library instead
 

org.eclipse.jdt.launching/plugin.xml

@@ -403,6 +403,11 @@
             description="%environment.description.30"
             id="JavaSE-26"
             compliance="26">
+      </environment>
+            <environment
+            description="%environment.description.31"
+            id="JavaSE-27"
+            compliance="27">
       </environment>
       <analyzer
             class="org.eclipse.jdt.internal.launching.environments.ExecutionEnvironmentAnalyzer"