More std::unique_ptr<JavaInfo> lifecycle management

Change-Id: If53347633ec4b2f8c2b221ba2057e0c38fa97b67

jvmfwk/inc/elements.hxx

@@ -19,6 +19,9 @@
 #ifndef INCLUDED_JVMFWK_SOURCE_ELEMENTS_HXX
 #define INCLUDED_JVMFWK_SOURCE_ELEMENTS_HXX
 
+#include <sal/config.h>
+
+#include <memory>
 #include <vector>
 #include "jvmfwk/framework.hxx"
 #include "fwkutil.hxx"
@@ -98,7 +101,7 @@ public:
 
     /** returns NULL if javaInfo is nil.
      */
-    JavaInfo * makeJavaInfo() const;
+    std::unique_ptr<JavaInfo> makeJavaInfo() const;
 };
 
 /** this class represents the java settings  based on a particular
@@ -294,7 +297,7 @@ public:
         which needs to be freed by the caller.
         If both, user and share settings are nil, then NULL is returned.
     */
-    JavaInfo * createJavaInfo() const;
+    std::unique_ptr<JavaInfo> createJavaInfo() const;
 
     /** returns the value of the attribute /java/javaInfo[@vendorUpdate].
      */

jvmfwk/source/elements.cxx

@@ -20,6 +20,7 @@
 #include <sal/config.h>
 
 #include <cassert>
+#include <memory>
 
 #include "elements.hxx"
 #include "osl/mutex.hxx"
@@ -925,19 +926,14 @@ void CNodeJavaInfo::writeToNode(xmlDoc* pDoc,
     xmlAddChild(pJavaInfoNode, nodeCrLf);
 }
 
-JavaInfo * CNodeJavaInfo::makeJavaInfo() const
+std::unique_ptr<JavaInfo> CNodeJavaInfo::makeJavaInfo() const
 {
     if (bNil || m_bEmptyNode)
-        return nullptr;
-    JavaInfo * pInfo = new JavaInfo;
-    memset(pInfo, 0, sizeof(JavaInfo));
-    pInfo->sVendor = sVendor;
-    pInfo->sLocation = sLocation;
-    pInfo->sVersion = sVersion;
-    pInfo->nFeatures = nFeatures;
-    pInfo->nRequirements = nRequirements;
-    pInfo->arVendorData = arVendorData;
-    return pInfo;
+        return std::unique_ptr<JavaInfo>();
+    return std::unique_ptr<JavaInfo>(
+        new JavaInfo{
+            sVendor, sLocation, sVersion, nFeatures, nRequirements,
+            arVendorData});
 }
 
 
@@ -1002,7 +998,7 @@ void MergedSettings::merge(const NodeJava & share, const NodeJava & user)
 }
 
 
-JavaInfo * MergedSettings::createJavaInfo() const
+std::unique_ptr<JavaInfo> MergedSettings::createJavaInfo() const
 {
     return m_javaInfo.makeJavaInfo();
 }

jvmfwk/source/framework.cxx

@@ -213,7 +213,7 @@ javaFrameworkError jfw_startVM(
                 const jfw::MergedSettings settings;
                 if (!settings.getEnabled())
                     return JFW_E_JAVA_DISABLED;
-                aInfo.reset(settings.createJavaInfo());
+                aInfo = settings.createJavaInfo();
                 //check if a Java has ever been selected
                 if (!aInfo)
                     return JFW_E_NO_SELECT;
@@ -650,7 +650,7 @@ javaFrameworkError jfw_getSelectedJRE(std::unique_ptr<JavaInfo> *ppInfo)
         }
 
         const jfw::MergedSettings settings;
-        ppInfo->reset(settings.createJavaInfo());
+        *ppInfo = settings.createJavaInfo();
         if (!*ppInfo)
         {
             return JFW_E_NONE;