Update claritas integration to support large result sets.

The output is now pulled from a json file.

src/util/java/ClaritasWrapper.ts

@@ -1,20 +1,36 @@
 import { JarExecutor } from './JarExecutor'
-import { join } from 'path'
+import { join, resolve } from 'path'
 import { ClaritasResult } from '../../model/claritas/ClaritasResult'
 import { MinecraftVersion } from '../MinecraftVersion'
 import { LibraryType } from '../../model/claritas/ClaritasLibraryType'
+import { pathExists, remove, readFile } from 'fs-extra'
 
 export class ClaritasWrapper extends JarExecutor<ClaritasResult> {
 
-    constructor() {
+    private readonly WORK_DIR: string
+    private readonly OUTPUT_FILE: string
+
+    constructor(cwd: string) {
         super('Claritas')
-        this.stdoutListeners.push((data) => {
-            const clean = data.toString('utf8').trim() as string
-            const spike = 'results::'
-            if(clean.startsWith(spike)) {
-                this.lastExecutionResult = JSON.parse(clean.substr(spike.length)) as ClaritasResult
+
+        this.WORK_DIR = resolve(cwd, 'claritasWork')
+        this.OUTPUT_FILE = resolve(this.WORK_DIR, 'claritasOutput.json')
+
+        this.onCloseListeners.push(async (code) => {
+            if(code !== 0) {
+                this.logger.error('Claritas finished with non-zero exit code, ', code)
+                this.lastExecutionResult = undefined!
+            } else {
+                if(pathExists(this.OUTPUT_FILE)) {
+                    this.lastExecutionResult = JSON.parse((await readFile(this.OUTPUT_FILE)).toString('utf8'))
+                } else {
+                    this.logger.error('Claritas output file not found when exit code is 0, is this a bug?')
+                    this.lastExecutionResult = undefined!
+                }
             }
+            await this.cleanOutput()
         })
+
     }
 
     protected getJarPath(): string {
@@ -25,8 +41,16 @@ export class ClaritasWrapper extends JarExecutor<ClaritasResult> {
         return super.executeJar(
             '--absoluteJarPaths', absoluteJarPaths.join(','),
             '--libraryType', libraryType,
-            '--mcVersion', mcVersion.toString()
+            '--mcVersion', mcVersion.toString(),
+            '--outputFile', this.OUTPUT_FILE,
+            '--previewOutput', 'true'
         )
     }
 
+    private async cleanOutput(): Promise<void> {
+        if(pathExists(this.WORK_DIR)) {
+            remove(this.WORK_DIR)
+        }
+    }
+
 }