JNIEXPORT jint JNICALL
Java_java_util_zip_ZipFile_openZipImpl (JNIEnv * env, jobject recv,
jbyteArray zipName)
{
VMI_ACCESS_FROM_ENV (env);
PORT_ACCESS_FROM_ENV (env);
I_32 retval;
JCLZipFile *jclZipFile;
JCLZipFileLink *zipfileHandles;
jsize length;
char pathCopy[HyMaxPath];
HyZipCachePool *zipCachePool;
jclZipFile = jclmem_allocate_memory (env, sizeof (*jclZipFile));
if (!jclZipFile)
return 3;
length = (*env)->GetArrayLength (env, zipName);
length = length < HyMaxPath - 1 ? length : HyMaxPath - 1;
((*env)->GetByteArrayRegion (env, zipName, 0, length, pathCopy));
pathCopy[length++] = '\0';
ioh_convertToPlatform (pathCopy);
/* Open the zip file (caching will be managed automatically by zipsup) */
zipCachePool = (*VMI)->GetZipCachePool (VMI);
retval =
zip_openZipFile (privatePortLibrary, pathCopy, &(jclZipFile->hyZipFile),
zipCachePool);
if (retval)
{
jclmem_free_memory (env, jclZipFile); /* free on fail */
if (retval == ZIP_ERR_FILE_OPEN_ERROR)
return 1;
else
return 2;
}
/* Add the zipFile we just allocated to the list of zip files -- we will
* free this on UnLoad if its not already free'd.
*/
zipfileHandles = JCL_CACHE_GET (env, zipfile_handles);
jclZipFile->last = (JCLZipFile *) zipfileHandles;
jclZipFile->next = zipfileHandles->next;
if (zipfileHandles->next != NULL)
zipfileHandles->next->last = jclZipFile;
zipfileHandles->next = jclZipFile;
(*env)->SetLongField (env, recv,
JCL_CACHE_GET (env,
FID_java_util_zip_ZipFile_descriptor),
((IDATA) jclZipFile));
return 0;
}
char* Read_Manifest(JavaVM *vm, JNIEnv *env,const char *jar_name){
I_32 retval;
#ifndef HY_ZIP_API
HyZipFile zipFile;
HyZipEntry zipEntry;
#else
VMIZipFile zipFile;
VMIZipEntry zipEntry;
#endif
char *result;
int size = 0;
char errorMessage[1024];
/* Reach for the VM interface */
VMI_ACCESS_FROM_JAVAVM(vm);
PORT_ACCESS_FROM_JAVAVM(vm);
#ifdef HY_ZIP_API
VMIZipFunctionTable *zipFuncs = (*VMI)->GetZipFunctions(VMI);
#endif /* HY_ZIP_API */
/* open zip file */
#ifndef HY_ZIP_API
retval = zip_openZipFile(privatePortLibrary, (char *)jar_name, &zipFile, NULL);
#else /* HY_ZIP_API */
retval = zipFuncs->zip_openZipFile(VMI, (char *)jar_name, &zipFile, 0);
#endif /* HY_ZIP_API */
if(retval){
sprintf(errorMessage,"failed to open file:%s, %d\n", jar_name, retval);
(*env)->FatalError(env, errorMessage);
return NULL;
}
/* get manifest entry */
#ifndef HY_ZIP_API
zip_initZipEntry(privatePortLibrary, &zipEntry);
retval = zip_getZipEntry(privatePortLibrary, &zipFile, &zipEntry, "META-INF/MANIFEST.MF", TRUE);
#else /* HY_ZIP_API */
zipFuncs->zip_initZipEntry(VMI, &zipEntry);
retval = zipFuncs->zip_getZipEntry(VMI, &zipFile, &zipEntry, "META-INF/MANIFEST.MF", ZIP_FLAG_READ_DATA_POINTER);
#endif /* HY_ZIP_API */
if (retval) {
#ifndef HY_ZIP_API
zip_freeZipEntry(PORTLIB, &zipEntry);
#else /* HY_ZIP_API */
zipFuncs->zip_freeZipEntry(VMI, &zipEntry);
#endif /* HY_ZIP_API */
sprintf(errorMessage,"failed to get entry: %d\n", retval);
(*env)->FatalError(env, errorMessage);
return NULL;
}
/* read bytes */
size = zipEntry.uncompressedSize;
result = (char *)hymem_allocate_memory(size*sizeof(char) + 1);
#ifndef HY_ZIP_API
retval = zip_getZipEntryData(privatePortLibrary, &zipFile, &zipEntry, (unsigned char*)result, size);
#else /* HY_ZIP_API */
retval = zipFuncs->zip_getZipEntryData(VMI, &zipFile, &zipEntry, (unsigned char*)result, size);
#endif /* HY_ZIP_API */
if(retval){
#ifndef HY_ZIP_API
zip_freeZipEntry(PORTLIB, &zipEntry);
#else /* HY_ZIP_API */
zipFuncs->zip_freeZipEntry(VMI, &zipEntry);
#endif /* HY_ZIP_API */
sprintf(errorMessage,"failed to get bytes from zip entry, %d\n", zipEntry.extraFieldLength);
(*env)->FatalError(env, errorMessage);
return NULL;
}
result[size] = '\0';
/* free resource */
#ifndef HY_ZIP_API
zip_freeZipEntry(privatePortLibrary, &zipEntry);
retval = zip_closeZipFile(privatePortLibrary, &zipFile);
#else /* HY_ZIP_API */
zipFuncs->zip_freeZipEntry(VMI, &zipEntry);
retval = zipFuncs->zip_closeZipFile(VMI, &zipFile);
#endif /* HY_ZIP_API */
if (retval) {
sprintf(errorMessage,"failed to close zip file: %s, %d\n", jar_name, retval);
(*env)->FatalError(env, errorMessage);
return NULL;
}
return result;
}
