src/share/native/java/util/zip/ZipFile.c

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   1 /*
   2  * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  54 
  55 static int OPEN_READ = java_util_zip_ZipFile_OPEN_READ;
  56 static int OPEN_DELETE = java_util_zip_ZipFile_OPEN_DELETE;
  57 
  58 JNIEXPORT void JNICALL
  59 Java_java_util_zip_ZipFile_initIDs(JNIEnv *env, jclass cls)
  60 {
  61     jzfileID = (*env)->GetFieldID(env, cls, "jzfile", "J");
  62     assert(jzfileID != 0);
  63 }
  64 
  65 static void
  66 ThrowZipException(JNIEnv *env, const char *msg)
  67 {
  68     jstring s = NULL;
  69     jobject x;
  70 
  71     if (msg != NULL) {
  72         s = JNU_NewStringPlatform(env, msg);
  73     }

  74     x = JNU_NewObjectByName(env,
  75                             "java/util/zip/ZipException",
  76                             "(Ljava/lang/String;)V", s);
  77     if (x != NULL) {
  78         (*env)->Throw(env, x);
  79     }

  80 }
  81 
  82 JNIEXPORT jlong JNICALL
  83 Java_java_util_zip_ZipFile_open(JNIEnv *env, jclass cls, jstring name,
  84                                         jint mode, jlong lastModified,
  85                                         jboolean usemmap)
  86 {
  87     const char *path = JNU_GetStringPlatformChars(env, name, 0);
  88     char *msg = 0;
  89     jlong result = 0;
  90     int flag = 0;
  91     jzfile *zip = 0;
  92 
  93     if (mode & OPEN_READ) flag |= O_RDONLY;
  94     if (mode & OPEN_DELETE) flag |= JVM_O_DELETE;
  95 
  96     if (path != 0) {
  97         zip = ZIP_Get_From_Cache(path, &msg, lastModified);
  98         if (zip == 0 && msg == 0) {
  99             ZFILE zfd = 0;


 350 
 351     if (zfile == 0) {
 352         JNU_ThrowByName(env,
 353                         "java/lang/IllegalStateException", "zip file closed");
 354         return NULL;
 355     }
 356     zip = jlong_to_ptr(zfile);
 357 
 358     /* count the number of valid ZIP metanames */
 359     count = 0;
 360     if (zip->metanames != 0) {
 361         for (i = 0; i < zip->metacount; i++) {
 362             if (zip->metanames[i] != 0) {
 363                 count++;
 364             }
 365         }
 366     }
 367 
 368     /* If some names were found then build array of java strings */
 369     if (count > 0) {
 370         jclass cls = (*env)->FindClass(env, "java/lang/String");

 371         result = (*env)->NewObjectArray(env, count, cls, 0);

 372         if (result != 0) {
 373             for (i = 0; i < count; i++) {
 374                 jstring str = (*env)->NewStringUTF(env, zip->metanames[i]);
 375                 if (str == 0) {
 376                     break;
 377                 }
 378                 (*env)->SetObjectArrayElement(env, result, i, str);
 379                 (*env)->DeleteLocalRef(env, str);
 380             }
 381         }
 382     }
 383     return result;
 384 }
 385 
 386 JNIEXPORT jstring JNICALL
 387 Java_java_util_zip_ZipFile_getZipMessage(JNIEnv *env, jclass cls, jlong zfile)
 388 {
 389     jzfile *zip = jlong_to_ptr(zfile);
 390     char *msg = zip->msg;
 391     if (msg == NULL) {
   1 /*
   2  * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


  54 
  55 static int OPEN_READ = java_util_zip_ZipFile_OPEN_READ;
  56 static int OPEN_DELETE = java_util_zip_ZipFile_OPEN_DELETE;
  57 
  58 JNIEXPORT void JNICALL
  59 Java_java_util_zip_ZipFile_initIDs(JNIEnv *env, jclass cls)
  60 {
  61     jzfileID = (*env)->GetFieldID(env, cls, "jzfile", "J");
  62     assert(jzfileID != 0);
  63 }
  64 
  65 static void
  66 ThrowZipException(JNIEnv *env, const char *msg)
  67 {
  68     jstring s = NULL;
  69     jobject x;
  70 
  71     if (msg != NULL) {
  72         s = JNU_NewStringPlatform(env, msg);
  73     }
  74     if (s != NULL) {
  75         x = JNU_NewObjectByName(env,
  76                             "java/util/zip/ZipException",
  77                             "(Ljava/lang/String;)V", s);
  78         if (x != NULL) {
  79             (*env)->Throw(env, x);
  80         }
  81     }
  82 }
  83 
  84 JNIEXPORT jlong JNICALL
  85 Java_java_util_zip_ZipFile_open(JNIEnv *env, jclass cls, jstring name,
  86                                         jint mode, jlong lastModified,
  87                                         jboolean usemmap)
  88 {
  89     const char *path = JNU_GetStringPlatformChars(env, name, 0);
  90     char *msg = 0;
  91     jlong result = 0;
  92     int flag = 0;
  93     jzfile *zip = 0;
  94 
  95     if (mode & OPEN_READ) flag |= O_RDONLY;
  96     if (mode & OPEN_DELETE) flag |= JVM_O_DELETE;
  97 
  98     if (path != 0) {
  99         zip = ZIP_Get_From_Cache(path, &msg, lastModified);
 100         if (zip == 0 && msg == 0) {
 101             ZFILE zfd = 0;


 352 
 353     if (zfile == 0) {
 354         JNU_ThrowByName(env,
 355                         "java/lang/IllegalStateException", "zip file closed");
 356         return NULL;
 357     }
 358     zip = jlong_to_ptr(zfile);
 359 
 360     /* count the number of valid ZIP metanames */
 361     count = 0;
 362     if (zip->metanames != 0) {
 363         for (i = 0; i < zip->metacount; i++) {
 364             if (zip->metanames[i] != 0) {
 365                 count++;
 366             }
 367         }
 368     }
 369 
 370     /* If some names were found then build array of java strings */
 371     if (count > 0) {
 372         jclass cls = JNU_ClassString(env);
 373         CHECK_NULL_RETURN(cls, NULL);
 374         result = (*env)->NewObjectArray(env, count, cls, 0);
 375         CHECK_NULL_RETURN(result, NULL);
 376         if (result != 0) {
 377             for (i = 0; i < count; i++) {
 378                 jstring str = (*env)->NewStringUTF(env, zip->metanames[i]);
 379                 if (str == 0) {
 380                     break;
 381                 }
 382                 (*env)->SetObjectArrayElement(env, result, i, str);
 383                 (*env)->DeleteLocalRef(env, str);
 384             }
 385         }
 386     }
 387     return result;
 388 }
 389 
 390 JNIEXPORT jstring JNICALL
 391 Java_java_util_zip_ZipFile_getZipMessage(JNIEnv *env, jclass cls, jlong zfile)
 392 {
 393     jzfile *zip = jlong_to_ptr(zfile);
 394     char *msg = zip->msg;
 395     if (msg == NULL) {