Assert obvious preconditions instead of returning javaPluginError:InvalidArg

Change-Id: I93bb3aaa0106bce98995f843ee036c9570f6aaf0

2 files changed, 8 insertions, 25 deletions

diff --git a/jvmfwk/inc/vendorplugin.hxx b/jvmfwk/inc/vendorplugin.hxx
index 6bae6370c710..d4febd726d18 100644
--- a/jvmfwk/inc/vendorplugin.hxx
+++ b/jvmfwk/inc/vendorplugin.hxx
@@ -101,9 +101,7 @@ enum class javaPluginError
     @return
     javaPluginError::NONE the function ran successfully.</br>
     javaPluginError::Error an error occurred during execution.</br>
-    javaPluginError::InvalidArg an argument was not valid. For example
-    <code>nSizeExcludeList</code> is greater null but <code>arExcludeList</code>
-    is NULL or NULL pointer were passed for at least on of the strings.</br>
+    javaPluginError::InvalidArg an argument was not valid.</br>
     javaPluginError::WrongVersionFormat the version strings in
     <code>sMinVersion,sMaxVersion,arExcludeList</code> are not recognized as valid
     version strings.
@@ -148,9 +146,7 @@ javaPluginError jfw_plugin_getAllJavaInfos(
    @return
    javaPluginError::NONE the function ran successfully.</br>
    javaPluginError::Error an error occurred during execution.</br>
-   javaPluginError::InvalidArg an argument was not valid. For example
-    <code>nSizeExcludeList</code> is greater null but <code>arExcludeList</code>
-    is NULL, NULL pointer were passed for at least on of the strings, sLocation
+   javaPluginError::InvalidArg an argument was not valid. For example, sLocation
     is an empty string.</br>
    javaPluginError::WrongVersionFormat the version strings in
     <code>sMinVersion,sMaxVersion,arExcludeList</code> are not recognized as valid
@@ -191,8 +187,6 @@ javaPluginError jfw_plugin_getJavaInfoByPath(
 
    @return
    javaPluginError::NONE the function ran successfully.</br>
-   javaPluginError::InvalidArg an argument was not valid, for example
-    <code>ppInfo</code> is an invalid pointer.
    javaPluginError::NoJre no suitable JRE could be detected at the given location. However, that
    does not mean necessarily that there is no JRE. There could be a JRE but it has
    a vendor which is not supported by this API implementation or it does not
@@ -283,9 +277,6 @@ javaPluginError jfw_plugin_getJavaInfosFromPath(
     javaPluginError::Error an error occurred during execution.</br>
     javaPluginError::WrongVendor the <code>JavaInfo</code> object was not created
     in by this library and the VM cannot be started.</br>
-    javaPluginError::InvalidArg an argument was not valid. For example
-    <code>pInfo</code> or , <code>ppVM</code> or <code>ppEnv</code> are NULL.
-    </br>
     JFW_PLUGIN_E_VM_CREATION_FAILED a VM could not be created. The error was caused
     by the JRE.
  */
diff --git a/jvmfwk/plugins/sunmajor/pluginlib/sunjavaplugin.cxx b/jvmfwk/plugins/sunmajor/pluginlib/sunjavaplugin.cxx
index 84e60a9cf254..d237de95451a 100644
--- a/jvmfwk/plugins/sunmajor/pluginlib/sunjavaplugin.cxx
+++ b/jvmfwk/plugins/sunmajor/pluginlib/sunjavaplugin.cxx
@@ -306,16 +306,12 @@ javaPluginError jfw_plugin_getAllJavaInfos(
     sal_Int32 *nLenInfoList,
     std::vector<rtl::Reference<jfw_plugin::VendorBase>> & infos)
 {
-    OSL_ASSERT(parJavaInfo);
-    OSL_ASSERT(nLenInfoList);
-    if (!parJavaInfo || !nLenInfoList)
-        return javaPluginError::InvalidArg;
+    assert(parJavaInfo);
+    assert(nLenInfoList);
 
     //nLenlist contains the number of elements in arExcludeList.
     //If no exclude list is provided then nLenList must be 0
-    OSL_ASSERT( ! (arExcludeList == nullptr && nLenList > 0));
-    if (arExcludeList == nullptr && nLenList > 0)
-        return javaPluginError::InvalidArg;
+    assert( ! (arExcludeList == nullptr && nLenList > 0));
 
     OSL_ASSERT(!sVendor.isEmpty());
     if (sVendor.isEmpty())
@@ -371,17 +367,14 @@ javaPluginError jfw_plugin_getJavaInfoByPath(
     sal_Int32  nLenList,
     JavaInfo ** ppInfo)
 {
-    if (!ppInfo)
-        return javaPluginError::InvalidArg;
+    assert(ppInfo != nullptr);
     OSL_ASSERT(!sPath.isEmpty());
     if (sPath.isEmpty())
         return javaPluginError::InvalidArg;
 
     //nLenlist contains the number of elements in arExcludeList.
     //If no exclude list is provided then nLenList must be 0
-    OSL_ASSERT( ! (arExcludeList == nullptr && nLenList > 0));
-    if (arExcludeList == nullptr && nLenList > 0)
-        return javaPluginError::InvalidArg;
+    assert( ! (arExcludeList == nullptr && nLenList > 0));
 
     OSL_ASSERT(!sVendor.isEmpty());
     if (sVendor.isEmpty())
@@ -407,8 +400,7 @@ javaPluginError jfw_plugin_getJavaInfoFromJavaHome(
     std::vector<pair<OUString, jfw::VersionInfo>> const& vecVendorInfos,
     JavaInfo ** ppInfo, std::vector<rtl::Reference<VendorBase>> & infos)
 {
-    if (!ppInfo)
-        return javaPluginError::InvalidArg;
+    assert(ppInfo);
 
     std::vector<rtl::Reference<VendorBase>> infoJavaHome;
     addJavaInfoFromJavaHome(infos, infoJavaHome);