From a2b094102999af646dd1dd962ced435197466b97 Mon Sep 17 00:00:00 2001
From: Sky <git@bunnies.cc>
Date: Thu, 12 Dec 2013 14:56:32 +0000
Subject: [PATCH] Java version list should be sorted, JRE->JDK, 64->32

---
 logic/JavaUtils.cpp             | 31 ++++++++++++++++++++-----------
 logic/JavaUtils.h               |  2 +-
 logic/lists/JavaVersionList.cpp | 20 +++++++-------------
 3 files changed, 28 insertions(+), 25 deletions(-)

diff --git a/logic/JavaUtils.cpp b/logic/JavaUtils.cpp
index 77972874..91463688 100644
--- a/logic/JavaUtils.cpp
+++ b/logic/JavaUtils.cpp
@@ -139,9 +139,9 @@ QList<JavaVersionPtr> JavaUtils::FindJavaFromRegistryKey(DWORD keyType, QString
 	return javas;
 }
 
-QList<JavaVersionPtr> JavaUtils::FindJavaPaths()
+QList<QString> JavaUtils::FindJavaPaths()
 {
-	QList<JavaVersionPtr> candidates;
+	QList<JavaVersionPtr> java_candidates;
 
 	QList<JavaVersionPtr> JRE64s = this->FindJavaFromRegistryKey(
 		KEY_WOW64_64KEY, "SOFTWARE\\JavaSoft\\Java Runtime Environment");
@@ -152,17 +152,26 @@ QList<JavaVersionPtr> JavaUtils::FindJavaPaths()
 	QList<JavaVersionPtr> JDK32s = this->FindJavaFromRegistryKey(
 		KEY_WOW64_32KEY, "SOFTWARE\\JavaSoft\\Java Development Kit");
 
-	candidates.append(JRE64s);
-	candidates.append(JDK64s);
-	candidates.append(JRE32s);
-	candidates.append(JDK32s);
+	java_candidates.append(JRE64s);
+	java_candidates.append(JDK64s);
+	java_candidates.append(JRE32s);
+	java_candidates.append(JDK32s);
 
-	candidates.append(MakeJavaPtr("C:/Program Files/Java/jre7/bin/java.exe"));
-	candidates.append(MakeJavaPtr("C:/Program Files/Java/jre6/bin/java.exe"));
-	candidates.append(MakeJavaPtr("C:/Program Files (x86)/Java/jre7/bin/java.exe"));
-	candidates.append(MakeJavaPtr("C:/Program Files (x86)/Java/jre6/bin/java.exe"));
+	QList<QString> candidates;
+	for(JavaVersionPtr java_candidate : java_candidates)
+	{
+		if(!candidates.contains(java_candidate->path))
+		{
+			candidates.append(java_candidate->path);
+		}
+	}
 
-	candidates.append(this->GetDefaultJava());
+	candidates.append("C:/Program Files/Java/jre7/bin/java.exe");
+	candidates.append("C:/Program Files/Java/jre6/bin/java.exe");
+	candidates.append("C:/Program Files (x86)/Java/jre7/bin/java.exe");
+	candidates.append("C:/Program Files (x86)/Java/jre6/bin/java.exe");
+
+	candidates.append(this->GetDefaultJava()->path);
 
 	return candidates;
 }
diff --git a/logic/JavaUtils.h b/logic/JavaUtils.h
index d056cbbe..22a68ef3 100644
--- a/logic/JavaUtils.h
+++ b/logic/JavaUtils.h
@@ -34,7 +34,7 @@ public:
 	JavaUtils();
 
 	JavaVersionPtr MakeJavaPtr(QString path, QString id = "unknown", QString arch = "unknown");
-	QList<JavaVersionPtr> FindJavaPaths();
+	QList<QString> FindJavaPaths();
 	JavaVersionPtr GetDefaultJava();
 
 #if WINDOWS
diff --git a/logic/lists/JavaVersionList.cpp b/logic/lists/JavaVersionList.cpp
index f69c2b59..d2f0972c 100644
--- a/logic/lists/JavaVersionList.cpp
+++ b/logic/lists/JavaVersionList.cpp
@@ -174,28 +174,23 @@ void JavaListLoadTask::executeTask()
 {
 	setStatus("Detecting Java installations...");
 
-	QSet<QString> candidate_paths;
 	JavaUtils ju;
-
-	QList<JavaVersionPtr> candidates = ju.FindJavaPaths();
-
-	for(JavaVersionPtr &candidate : candidates)
-	{
-		candidate_paths.insert(candidate->path);
-	}
+	QList<QString> candidate_paths = ju.FindJavaPaths();
 
 	auto job = new JavaCheckerJob("Java detection");
 	connect(job, SIGNAL(finished(QList<JavaCheckResult>)), this, SLOT(javaCheckerFinished(QList<JavaCheckResult>)));
 	connect(job, SIGNAL(progress(int, int)), this, SLOT(checkerProgress(int, int)));
 
-	for(const QString candidate : candidate_paths)
+	QLOG_DEBUG() << "Probing the following Java paths: ";
+	for(QString candidate : candidate_paths)
 	{
+		QLOG_DEBUG() << " " << candidate;
+
 		auto candidate_checker = new JavaChecker();
 		candidate_checker->path = candidate;
 		job->addJavaCheckerAction(JavaCheckerPtr(candidate_checker));
 	}
 
-	QLOG_DEBUG() << "Starting java checker job with" << job->size() << "candidates";
 	job->start();
 }
 
@@ -209,7 +204,7 @@ void JavaListLoadTask::javaCheckerFinished(QList<JavaCheckResult> results)
 {
 	QList<JavaVersionPtr> candidates;
 
-	QLOG_DEBUG() << "Got Java checker results:";
+	QLOG_DEBUG() << "Found the following valid Java installations:";
 	for(JavaCheckResult result : results)
 	{
 		if(result.valid)
@@ -221,7 +216,7 @@ void JavaListLoadTask::javaCheckerFinished(QList<JavaCheckResult> results)
 			javaVersion->path = result.path;
 			candidates.append(javaVersion);
 
-			QLOG_DEBUG() << javaVersion->id << javaVersion->arch << javaVersion->path;
+			QLOG_DEBUG() << " " << javaVersion->id << javaVersion->arch << javaVersion->path;
 		}
 	}
 
@@ -238,6 +233,5 @@ void JavaListLoadTask::javaCheckerFinished(QList<JavaCheckResult> results)
 	}
 
 	m_list->updateListData(javas_bvp);
-
 	emitSucceeded();
 }