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src/jdk.incubator.jpackage/windows/native/libjpackage/Utils.cpp

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  24  */
  25 
  26 #include "Windows.h"
  27 #include "Utils.h"
  28 
  29 #define BUFFER_SIZE 4096
  30 
  31 wstring GetStringFromJString(JNIEnv *pEnv, jstring jstr) {
  32     const jchar *pJChars = pEnv->GetStringChars(jstr, NULL);
  33     if (pJChars == NULL) {
  34         return wstring(L"");
  35     }
  36 
  37     wstring wstr(pJChars);
  38 
  39     pEnv->ReleaseStringChars(jstr, pJChars);
  40 
  41     return wstr;
  42 }
  43 
  44 jstring GetJStringFromString(JNIEnv *pEnv, const jchar *unicodeChars, jsize len) {

  45     return pEnv->NewString(unicodeChars, len);
  46 }
  47 
  48 wstring GetLongPath(wstring path) {
  49     wstring result(L"");
  50 
  51     size_t len = path.length();
  52     if (len > 1) {
  53         if (path.at(len - 1) == '\\') {
  54             path.erase(len - 1);
  55         }
  56     }
  57 
  58     TCHAR *pBuffer = new TCHAR[BUFFER_SIZE];
  59     if (pBuffer != NULL) {
  60         DWORD dwResult = GetLongPathName(path.c_str(), pBuffer, BUFFER_SIZE);
  61         if (dwResult > 0 && dwResult < BUFFER_SIZE) {
  62             result = wstring(pBuffer);
  63         } else {
  64             delete [] pBuffer;
  65             pBuffer = new TCHAR[dwResult];
  66             if (pBuffer != NULL) {
  67                 DWORD dwResult2 = GetLongPathName(path.c_str(), pBuffer, dwResult);

  68                 if (dwResult2 == (dwResult - 1)) {
  69                     result = wstring(pBuffer);
  70                 }
  71             }
  72         }
  73 
  74         if (pBuffer != NULL) {
  75             delete [] pBuffer;
  76         }
  77     }
  78 
  79     return result;
  80 }


  24  */
  25 
  26 #include "Windows.h"
  27 #include "Utils.h"
  28 
  29 #define BUFFER_SIZE 4096
  30 
  31 wstring GetStringFromJString(JNIEnv *pEnv, jstring jstr) {
  32     const jchar *pJChars = pEnv->GetStringChars(jstr, NULL);
  33     if (pJChars == NULL) {
  34         return wstring(L"");
  35     }
  36 
  37     wstring wstr(pJChars);
  38 
  39     pEnv->ReleaseStringChars(jstr, pJChars);
  40 
  41     return wstr;
  42 }
  43 
  44 jstring GetJStringFromString(JNIEnv *pEnv,
  45             const jchar *unicodeChars, jsize len) {
  46     return pEnv->NewString(unicodeChars, len);
  47 }
  48 
  49 wstring GetLongPath(wstring path) {
  50     wstring result(L"");
  51 
  52     size_t len = path.length();
  53     if (len > 1) {
  54         if (path.at(len - 1) == '\\') {
  55             path.erase(len - 1);
  56         }
  57     }
  58 
  59     TCHAR *pBuffer = new TCHAR[BUFFER_SIZE];
  60     if (pBuffer != NULL) {
  61         DWORD dwResult = GetLongPathName(path.c_str(), pBuffer, BUFFER_SIZE);
  62         if (dwResult > 0 && dwResult < BUFFER_SIZE) {
  63             result = wstring(pBuffer);
  64         } else {
  65             delete [] pBuffer;
  66             pBuffer = new TCHAR[dwResult];
  67             if (pBuffer != NULL) {
  68                 DWORD dwResult2 =
  69                         GetLongPathName(path.c_str(), pBuffer, dwResult);
  70                 if (dwResult2 == (dwResult - 1)) {
  71                     result = wstring(pBuffer);
  72                 }
  73             }
  74         }
  75 
  76         if (pBuffer != NULL) {
  77             delete [] pBuffer;
  78         }
  79     }
  80 
  81     return result;
  82 }
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