Move distributionArchitecture method to base class

They are mostly all the same, and this can still be overridden when needed

src/distributions/base-installer.ts

@@ -151,6 +151,22 @@ export abstract class JavaBase {
   }
 
   protected distributionArchitecture(): string {
-    return this.architecture;
+    // default mappings of config architectures to distribution architectures
+    // override if a distribution uses any different names; see liberica for an example
+
+    // node's os.arch() - which this defaults to - can return any of:
+    // 'arm', 'arm64', 'ia32', 'mips', 'mipsel', 'ppc', 'ppc64', 's390', 's390x', and 'x64'
+    // so we need to map these to java distribution architectures
+    // 'amd64' is included here too b/c it's a common alias for 'x64' people might use explicitly
+    switch (this.architecture) {
+      case 'amd64':
+        return 'x64';
+      case 'ia32':
+        return 'x86';
+      case 'arm64':
+        return 'aarch64';
+      default:
+        return this.architecture;
+    }
   }
 }

src/distributions/temurin/installer.ts

@@ -152,18 +152,4 @@ export class TemurinDistribution extends JavaBase {
         return process.platform;
     }
   }
-
-  protected distributionArchitecture(): string {
-    // Temurin has own architecture names so need to map them
-    switch (this.architecture) {
-      case 'amd64':
-        return 'x64';
-      case 'ia32':
-        return 'x32';
-      case 'arm64':
-        return 'aarch64';
-      default:
-        return this.architecture;
-    }
-  }
 }