Use cppu::OImplementationId for XUnoTunnel IDs

Change-Id: I564ec761b7a7b3488682acfb3aff56beb3f68213

package/inc/ZipPackageFolder.hxx

@@ -74,7 +74,7 @@ public:
         throw(::com::sun::star::container::NoSuchElementException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
 
     static void copyZipEntry( ZipEntry &rDest, const ZipEntry &rSource);
-    static const ::com::sun::star::uno::Sequence < sal_Int8 >& static_getImplementationId();
+    static ::com::sun::star::uno::Sequence < sal_Int8 > static_getImplementationId();
 
     void setPackageFormat_Impl( sal_Int32 nFormat ) { m_nFormat = nFormat; }
     void setRemoveOnInsertMode_Impl( sal_Bool bRemove ) { this->mbAllowRemoveOnInsert = bRemove; }

package/inc/ZipPackageStream.hxx

@@ -155,7 +155,7 @@ public:
     ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getRawData()
         throw(::com::sun::star::uno::RuntimeException);
 
-    static const ::com::sun::star::uno::Sequence < sal_Int8 >& static_getImplementationId();
+    static ::com::sun::star::uno::Sequence < sal_Int8 > static_getImplementationId();
 
     // XActiveDataSink
     virtual void SAL_CALL setInputStream( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& aStream )

package/source/zippackage/ZipPackageFolder.cxx

@@ -28,6 +28,7 @@
 #include <com/sun/star/packages/zip/ZipConstants.hpp>
 #include <com/sun/star/embed/StorageFormats.hpp>
 #include <cppuhelper/supportsservice.hxx>
+#include <cppuhelper/typeprovider.hxx>
 #include <osl/diagnose.h>
 #include <osl/time.h>
 #include <rtl/digest.h>
@@ -57,7 +58,7 @@ using namespace ::com::sun::star;
 #define THROW_WHERE ""
 #endif
 
-namespace { struct lcl_CachedImplId : public rtl::Static< uno::Sequence < sal_Int8 >, lcl_CachedImplId > {}; }
+namespace { struct lcl_CachedImplId : public rtl::Static< cppu::OImplementationId, lcl_CachedImplId > {}; }
 
 ZipPackageFolder::ZipPackageFolder ( sal_Int32 nFormat,
                                      sal_Bool bAllowRemoveOnInsert )
@@ -74,9 +75,6 @@ ZipPackageFolder::ZipPackageFolder ( sal_Int32 nFormat,
     aEntry.nCompressedSize = 0;
     aEntry.nSize        = 0;
     aEntry.nOffset      = -1;
-    uno::Sequence < sal_Int8 > &rCachedImplId = lcl_CachedImplId::get();
-    if ( !rCachedImplId.getLength() )
-        rCachedImplId = getImplementationId();
 }
 
 ZipPackageFolder::~ZipPackageFolder()
@@ -178,9 +176,9 @@ void ZipPackageFolder::copyZipEntry( ZipEntry &rDest, const ZipEntry &rSource)
     rDest.nExtraLen         = rSource.nExtraLen;
 }
 
-const ::com::sun::star::uno::Sequence < sal_Int8 >& ZipPackageFolder::static_getImplementationId()
+::com::sun::star::uno::Sequence < sal_Int8 > ZipPackageFolder::static_getImplementationId()
 {
-    return lcl_CachedImplId::get();
+    return lcl_CachedImplId::get().getImplementationId();
 }
 
     // XNameContainer

package/source/zippackage/ZipPackageStream.cxx

@@ -42,6 +42,7 @@
 #include <comphelper/seekableinput.hxx>
 #include <comphelper/storagehelper.hxx>
 #include <cppuhelper/supportsservice.hxx>
+#include <cppuhelper/typeprovider.hxx>
 
 #include <rtl/instance.hxx>
 
@@ -60,11 +61,11 @@ using namespace cppu;
 #define THROW_WHERE ""
 #endif
 
-namespace { struct lcl_CachedImplId : public rtl::Static< Sequence < sal_Int8 >, lcl_CachedImplId > {}; }
+namespace { struct lcl_CachedImplId : public rtl::Static< cppu::OImplementationId, lcl_CachedImplId > {}; }
 
-const ::com::sun::star::uno::Sequence < sal_Int8 >& ZipPackageStream::static_getImplementationId()
+::com::sun::star::uno::Sequence < sal_Int8 > ZipPackageStream::static_getImplementationId()
 {
-    return lcl_CachedImplId::get();
+    return lcl_CachedImplId::get().getImplementationId();
 }
 
 ZipPackageStream::ZipPackageStream ( ZipPackage & rNewPackage,
@@ -103,10 +104,6 @@ ZipPackageStream::ZipPackageStream ( ZipPackage & rNewPackage,
     aEntry.nOffset      = -1;
     aEntry.nPathLen     = -1;
     aEntry.nExtraLen    = -1;
-
-    Sequence < sal_Int8 > &rCachedImplId = lcl_CachedImplId::get();
-    if ( !rCachedImplId.getLength() )
-        rCachedImplId = getImplementationId();
 }
 
 ZipPackageStream::~ZipPackageStream( void )