Restore compatibility with joschi/setup-jdk@v1 for java-version

The normalization of the `java-version` setting to treat "openjdk14" as
a valid Java release version was accidentally dropped while moving to
joschi/setup-jdk 2.x.

Closes #9

__tests__/installer.test.ts

@@ -344,4 +344,25 @@ describe('installer tests', () => {
     expect(thrown).toBe(true);
     return;
   });
+
+  it('GitHub issue #9: Allow openjdk\d+ as Java release version', async () => {
+    await installer.getAdoptOpenJDK(
+      'ga',
+      'openjdk14',
+      'jdk',
+      'hotspot',
+      'x64',
+      'normal',
+      'latest',
+      ''
+    );
+    const JavaDir = path.join(
+      toolDir,
+      toolName,
+      `1.0.0-ga-14-jdk-hotspot-${os}-x64-normal-latest`,
+      'x64'
+    );
+
+    expect(fs.existsSync(path.join(JavaDir, 'bin'))).toBe(true);
+  }, 100000);
 });

src/installer.ts

@@ -1,13 +1,13 @@
 let tempDirectory = process.env['RUNNER_TEMP'] || '';
 
 import * as core from '@actions/core';
-import * as io from '@actions/io';
 import * as exec from '@actions/exec';
-import * as httpm from '@actions/http-client';
-import * as tc from '@actions/tool-cache';
 import * as fs from 'fs';
+import * as httpm from '@actions/http-client';
+import * as io from '@actions/io';
 import * as path from 'path';
 import * as semver from 'semver';
+import * as tc from '@actions/tool-cache';
 
 const IS_WINDOWS = process.platform === 'win32';
 const IS_MACOS = process.platform === 'darwin';
@@ -408,9 +408,10 @@ async function downloadJavaBinary(
   jdkFile: string
 ): Promise<void> {
   const normalizedArchitecture = architectureAliases.get(arch) || arch;
+  const normalizedVersion = version.replace('openjdk', '');
   const versionSpec = getCacheVersionSpec(
     release_type,
-    version,
+    normalizedVersion,
     image_type,
     jvm_impl,
     os,
@@ -428,14 +429,15 @@ async function downloadJavaBinary(
       core.debug('Downloading JDK from AdoptOpenJDK');
       const url: string = getAdoptOpenJdkUrl(
         release_type,
-        version,
+        normalizedVersion,
         image_type,
         jvm_impl,
         os,
         normalizedArchitecture,
         heap_size,
         release
       );
+      core.debug(`AdoptOpenJDK URL: ${url}`);
       jdkFile = await tc.downloadTool(url);
       compressedFileExtension = IS_WINDOWS ? '.zip' : '.tar.gz';
     }
@@ -459,7 +461,7 @@ async function downloadJavaBinary(
     );
   }
 
-  let extendedJavaHome = `JAVA_HOME_${version}_${normalizedArchitecture}`;
+  let extendedJavaHome = `JAVA_HOME_${normalizedVersion}_${normalizedArchitecture}`;
   core.exportVariable(extendedJavaHome, toolPath); //TODO: remove for v2
   // For portability reasons environment variables should only consist of
   // uppercase letters, digits, and the underscore. Therefore we convert
@@ -470,5 +472,5 @@ async function downloadJavaBinary(
   core.exportVariable(extendedJavaHome, toolPath);
   core.addPath(path.join(toolPath, 'bin'));
   core.setOutput('path', toolPath);
-  core.setOutput('version', version);
+  core.setOutput('version', normalizedVersion);
 }