Dont fail if jdkFile not set until checking cache

action.yml

@@ -11,7 +11,7 @@ inputs:
     default: 'x64'
   jdkFile:
     description: 'Path to where the compressed JDK is located. The path could be in your source repository or a local path on the agent.'
-    required: true
+    required: false
 runs:
   using: 'node12'
   main: 'lib/setup-java.js'

lib/installer.js

@@ -46,6 +46,9 @@ function getJava(version, arch, jdkFile) {
             core.debug(`Tool found in cache ${toolPath}`);
         }
         else {
+            if (!jdkFile) {
+                throw new Error(`Failed to find Java ${version} in the cache. Please specify a valid jdk file to install from instead.`);
+            }
             core.debug('Retrieving Jdk from local path');
             const compressedFileExtension = getFileEnding(jdkFile);
             let tempDir = path.join(tempDirectory, 'temp_' + Math.floor(Math.random() * 2000000000));

lib/setup-java.js

@@ -23,7 +23,7 @@ function run() {
         try {
             const version = core.getInput('version', { required: true });
             const arch = core.getInput('architecture', { required: true });
-            const jdkFile = core.getInput('jdkFile', { required: true });
+            const jdkFile = core.getInput('jdkFile', { required: false }) || '';
             yield installer.getJava(version, arch, jdkFile);
             const matchersPath = path.join(__dirname, '..', '.github');
             console.log(`##[add-matcher]${path.join(matchersPath, 'java.json')}`);

src/installer.ts

@@ -34,6 +34,11 @@ export async function getJava(
   if (toolPath) {
     core.debug(`Tool found in cache ${toolPath}`);
   } else {
+    if (!jdkFile) {
+      throw new Error(
+        `Failed to find Java ${version} in the cache. Please specify a valid jdk file to install from instead.`
+      );
+    }
     core.debug('Retrieving Jdk from local path');
     const compressedFileExtension = getFileEnding(jdkFile);
     let tempDir: string = path.join(

src/setup-java.ts

@@ -6,7 +6,7 @@ async function run() {
   try {
     const version = core.getInput('version', {required: true});
     const arch = core.getInput('architecture', {required: true});
-    const jdkFile = core.getInput('jdkFile', {required: true});
+    const jdkFile = core.getInput('jdkFile', {required: false}) || '';
 
     await installer.getJava(version, arch, jdkFile);