Reorganize logic code.

logic/java/JavaUtils.h

@@ -0,0 +1,43 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QStringList>
+#include <QWidget>
+
+#include <osutils.h>
+#include "JavaCheckerJob.h"
+#include "JavaChecker.h"
+#include "JavaVersionList.h"
+
+#if WINDOWS
+#include <windows.h>
+#endif
+
+class JavaUtils : public QObject
+{
+	Q_OBJECT
+public:
+	JavaUtils();
+
+	JavaVersionPtr MakeJavaPtr(QString path, QString id = "unknown", QString arch = "unknown");
+	QList<QString> FindJavaPaths();
+	JavaVersionPtr GetDefaultJava();
+
+#if WINDOWS
+	QList<JavaVersionPtr> FindJavaFromRegistryKey(DWORD keyType, QString keyName);
+#endif
+};