javaextensions/iapinfo/src.s60/stringbuffer.cpp
branchRCL_3
changeset 19 04becd199f91
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javaextensions/iapinfo/src.s60/stringbuffer.cpp	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,180 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  stringbuffer class implementation
+ *
+*/
+
+
+#include "stringbuffer.h"
+
+//////////////////////////////////////////////////////////////////////////////
+//
+// NewL Method to create a new StringBuffer object
+// @return StringBuffer*
+//
+//////////////////////////////////////////////////////////////////////////////
+
+StringBuffer* StringBuffer::NewL()
+{
+    StringBuffer* self = new(ELeave) StringBuffer;
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//
+// Constructor Method
+//
+//////////////////////////////////////////////////////////////////////////////
+StringBuffer::StringBuffer()
+{
+
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//
+// ConstructL to create the String object which stores the data
+//
+//////////////////////////////////////////////////////////////////////////////
+void StringBuffer::ConstructL()
+{
+    String = HBufC::NewL(KInitialSize);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//
+// AppendText Method to append the content of an HBufC object to the
+// StringBuffer's content
+// @param HBufC*
+//
+//////////////////////////////////////////////////////////////////////////////
+
+void StringBuffer::Append(HBufC* what)
+{
+    TInt _size = what->Length();
+    if ((String->Des().MaxLength() - String->Size()) < _size)
+    {
+        String = String->ReAlloc(String->Des().MaxLength() + 2 * _size);
+    }
+    String->Des().Append(what->Des());
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//
+// GetString Method to get the content of the StringBuffer
+// @return HBufC *
+//
+//////////////////////////////////////////////////////////////////////////////
+
+HBufC* StringBuffer::GetString()
+{
+    return String;
+}
+//////////////////////////////////////////////////////////////////////////////
+//
+// Append Method to append the content of a TDesC object to the
+//  StringBuffer's content
+// @param TDesC
+//
+//////////////////////////////////////////////////////////////////////////////
+
+void StringBuffer::Append(const TDesC &what)
+{
+    TInt _size = what.Length();
+    if ((String->Des().MaxLength() - String->Size()) < _size)
+    {
+        String = String->ReAlloc(String->Des().MaxLength() + 2 * _size);
+    }
+    String->Des().Append(what);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//
+// Append Method to append a TInt object to the StringBuffer's content
+// @param TInt
+//
+//////////////////////////////////////////////////////////////////////////////
+void StringBuffer::Append(TInt aWhat)
+{
+    TBufC<KBUFMAX> Temp;
+    Temp.Des().AppendNum(aWhat);
+    TInt _size = Temp.Des().Length();
+    if ((String->Des().MaxLength() - String->Size()) < _size)
+    {
+        String = String->ReAlloc(String->Des().MaxLength() + 2 * _size);
+    }
+    String->Des().Append(Temp);
+}
+//////////////////////////////////////////////////////////////////////////////
+//
+// CreateJavaString Method to create java string from an HBufC
+// @param aJNI JNIEnv*
+// @param aString HBufC
+// @return jstring
+//
+//////////////////////////////////////////////////////////////////////////////
+
+jstring StringBuffer::CreateJavaString(JNIEnv* aJNI, const HBufC* aString)
+{
+    TPtrC16 buf;
+    jstring str = aJNI->NewString(aString->Ptr(), aString->Length());
+    return str;
+}
+//////////////////////////////////////////////////////////////////////////////
+//
+// CreateHBufCFromJavaStringLC Method to cretae HBufC from a java string
+// @param JNIEnv*
+// @param jstring aString
+// @return HBufC*
+//
+//////////////////////////////////////////////////////////////////////////////
+
+HBufC* StringBuffer::CreateHBufCFromJavaStringLC(JNIEnv* aJNI, jstring aString)
+{
+    HBufC16* Str = HBufC16::NewL(aJNI->GetStringLength(aString));
+    CleanupStack::PushL(Str);
+    const TUint16* temp = aJNI->GetStringChars(aString, 0);
+    Str->Des() = temp;
+    aJNI->ReleaseStringChars(aString, temp);
+    return Str;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//
+// ToJavaString Method to create java string from the content of the
+// StringBuffer.
+// @param JNIEnv
+// @return jstring
+//
+//////////////////////////////////////////////////////////////////////////////
+
+jstring StringBuffer::ToJavaString(JNIEnv* aJNI)
+{
+    jstring str = aJNI->NewString(String->Ptr(), String->Length());
+    return str;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//
+// Destructor
+//
+//////////////////////////////////////////////////////////////////////////////
+
+StringBuffer::~StringBuffer()
+{
+    delete String;
+    String = NULL;
+}