Initial revision

From-SVN: r102074
This commit is contained in:
Tom Tromey
2005-07-16 00:30:23 +00:00
parent 6f4434b39b
commit f911ba985a
4557 changed files with 1000262 additions and 0 deletions
@@ -0,0 +1,8 @@
*.o
*.a
*.lo
*.la
.libs
.deps
Makefile
Makefile.in
@@ -0,0 +1,13 @@
pkglib_LTLIBRARIES = libjavaio.la
libjavaio_la_SOURCES = javaio.h \
javaio.c \
java_io_VMFile.c \
java_io_VMObjectInputStream.c \
java_io_VMObjectStreamClass.c
libjavaio_la_LIBADD = $(top_builddir)/native/jni/classpath/jcl.lo
AM_LDFLAGS = @CLASSPATH_MODULE@
AM_CPPFLAGS = @CLASSPATH_INCLUDES@
AM_CFLAGS = @WARNING_CFLAGS@ @STRICT_WARNING_CFLAGS@ @ERROR_CFLAGS@
@@ -0,0 +1,734 @@
/* java_io_VMFile.c - Native methods for java.io.File class
Copyright (C) 1998, 2004 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
/* do not move; needed here because of some macro definitions */
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <jni.h>
#include <jcl.h>
#include "target_native.h"
#ifndef WITHOUT_FILESYSTEM
#include "target_native_file.h"
#endif
#include "target_native_math_int.h"
#include "javaio.h"
#include "java_io_VMFile.h"
/*************************************************************************/
/*
* Method to create an empty file.
*
* Class: java_io_VMFile
* Method: create
* Signature: (Ljava/lang/String;)Z
*/
JNIEXPORT jboolean JNICALL
Java_java_io_VMFile_create (JNIEnv * env,
jclass clazz __attribute__ ((__unused__)),
jstring name)
{
#ifndef WITHOUT_FILESYSTEM
const char *filename;
int fd;
int result;
filename = JCL_jstring_to_cstring (env, name);
if (filename == NULL)
{
return (0);
}
TARGET_NATIVE_FILE_OPEN_CREATE (filename, fd, result);
if (result != TARGET_NATIVE_OK)
{
/* XXX ??? NYI */
if (errno != EEXIST)
JCL_ThrowException (env,
"java/io/IOException",
TARGET_NATIVE_LAST_ERROR_STRING ());
JCL_free_cstring (env, name, filename);
return (0);
}
TARGET_NATIVE_FILE_CLOSE (fd, result);
JCL_free_cstring (env, name, filename);
return (1);
#else /* not WITHOUT_FILESYSTEM */
return (0);
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* This method checks to see if we have read permission on a file.
*
* Class: java_io_VMFile
* Method: canRead
* Signature: (Ljava/lang/String;)Z
*/
JNIEXPORT jboolean JNICALL
Java_java_io_VMFile_canRead (JNIEnv * env,
jobject obj __attribute__ ((__unused__)),
jstring name)
{
#ifndef WITHOUT_FILESYSTEM
const char *filename;
int fd;
int result;
/* Don't use the JCL convert function because it throws an exception
on failure */
filename = (*env)->GetStringUTFChars (env, name, 0);
if (filename == NULL)
{
return (0);
}
/* The lazy man's way out. We actually do open the file for reading
briefly to verify it can be done */
TARGET_NATIVE_FILE_OPEN_READ (filename, fd, result);
(*env)->ReleaseStringUTFChars (env, name, filename);
if (result != TARGET_NATIVE_OK)
{
return (0);
}
TARGET_NATIVE_FILE_CLOSE (fd, result);
return (1);
#else /* not WITHOUT_FILESYSTEM */
return (0);
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* This method checks to see if we have write permission on a file.
*
* Class: java_io_VMFile
* Method: canWrite
* Signature: (Ljava/lang/String;)Z
*/
JNIEXPORT jboolean JNICALL
Java_java_io_VMFile_canWrite (JNIEnv * env,
jobject obj __attribute__ ((__unused__)),
jstring name)
{
#ifndef WITHOUT_FILESYSTEM
const char *filename;
int fd;
int result;
/* Don't use the JCL convert function because it throws an exception
on failure */
filename = (*env)->GetStringUTFChars (env, name, 0);
if (filename == NULL)
{
return (0);
}
/* The lazy man's way out. We actually do open the file for writing
briefly to verify it can be done */
TARGET_NATIVE_FILE_OPEN_READWRITE (filename, fd, result);
(*env)->ReleaseStringUTFChars (env, name, filename);
if (result != TARGET_NATIVE_OK)
{
return (0);
}
TARGET_NATIVE_FILE_CLOSE (fd, result);
return (1);
#else /* not WITHOUT_FILESYSTEM */
return (0);
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* This method makes a file read only.
*
* Class: java_io_VMFile
* Method: setReadOnly
* Signature: (Ljava/lang/String;)Z
*/
JNIEXPORT jboolean JNICALL
Java_java_io_VMFile_setReadOnly (JNIEnv * env,
jobject obj __attribute__ ((__unused__)),
jstring name)
{
#ifndef WITHOUT_FILESYSTEM
const char *filename;
int result;
/* Don't use the JCL convert function because it throws an exception
on failure */
filename = (*env)->GetStringUTFChars (env, name, 0);
if (filename == NULL)
{
return (0);
}
TARGET_NATIVE_FILE_SET_MODE_READONLY (filename, result);
(*env)->ReleaseStringUTFChars (env, name, filename);
return ((result == TARGET_NATIVE_OK) ? 1 : 0);
#else /* not WITHOUT_FILESYSTEM */
return (0);
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* This method checks to see if a file exists.
*
* Class: java_io_VMFile
* Method: exists
* Signature: (Ljava/lang/String;)Z
*/
JNIEXPORT jboolean JNICALL
Java_java_io_VMFile_exists (JNIEnv * env,
jobject obj __attribute__ ((__unused__)),
jstring name)
{
#ifndef WITHOUT_FILESYSTEM
const char *filename;
int result;
/* Don't use the JCL convert function because it throws an exception
on failure */
filename = (*env)->GetStringUTFChars (env, name, 0);
if (filename == NULL)
{
return (0);
}
TARGET_NATIVE_FILE_EXISTS (filename, result);
(*env)->ReleaseStringUTFChars (env, name, filename);
return ((result == TARGET_NATIVE_OK) ? 1 : 0);
#else /* not WITHOUT_FILESYSTEM */
return (0);
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* This method checks to see if a file is a "plain" file; that is, not
* a directory, pipe, etc.
*
* Class: java_io_VMFile
* Method: isFile
* Signature: (Ljava/lang/String;)Z
*/
JNIEXPORT jboolean JNICALL
Java_java_io_VMFile_isFile (JNIEnv * env,
jobject obj __attribute__ ((__unused__)),
jstring name)
{
#ifndef WITHOUT_FILESYSTEM
const char *filename;
int result;
/* Don't use the JCL convert function because it throws an exception
on failure */
filename = (*env)->GetStringUTFChars (env, name, 0);
if (filename == NULL)
{
return (0);
}
TARGET_NATIVE_FILE_IS_FILE (filename, result);
(*env)->ReleaseStringUTFChars (env, name, filename);
return ((result == TARGET_NATIVE_OK) ? 1 : 0);
#else /* not WITHOUT_FILESYSTEM */
return (0);
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* This method checks to see if a file is a directory or not.
*
* Class: java_io_VMFile
* Method: isDirectory
* Signature: (Ljava/lang/String;)Z
*/
JNIEXPORT jboolean JNICALL
Java_java_io_VMFile_isDirectory (JNIEnv * env,
jobject obj __attribute__ ((__unused__)),
jstring name)
{
#ifndef WITHOUT_FILESYSTEM
const char *filename;
int result;
/* Don't use the JCL convert function because it throws an exception
on failure */
filename = (*env)->GetStringUTFChars (env, name, 0);
if (filename == NULL)
{
return (0);
}
TARGET_NATIVE_FILE_IS_DIRECTORY (filename, result);
(*env)->ReleaseStringUTFChars (env, name, filename);
return ((result == TARGET_NATIVE_OK) ? 1 : 0);
#else /* not WITHOUT_FILESYSTEM */
return (0);
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* This method returns the length of the file.
*
* Class: java_io_VMFile
* Method: length
* Signature: (Ljava/lang/String;)J
*/
JNIEXPORT jlong JNICALL
Java_java_io_VMFile_length (JNIEnv * env,
jobject obj __attribute__ ((__unused__)),
jstring name)
{
#ifndef WITHOUT_FILESYSTEM
const char *filename;
int tmpfd;
jlong length;
int result;
/* Don't use the JCL convert function because it throws an exception
on failure */
filename = (*env)->GetStringUTFChars (env, name, 0);
if (filename == NULL)
{
return (TARGET_NATIVE_MATH_INT_INT64_CONST_0);
}
/* open file for reading, get size and close file */
TARGET_NATIVE_FILE_OPEN_READ (filename, tmpfd, result);
if (result != TARGET_NATIVE_OK)
{
return (TARGET_NATIVE_MATH_INT_INT64_CONST_0);
}
TARGET_NATIVE_FILE_SIZE (tmpfd, length, result);
if (result != TARGET_NATIVE_OK)
{
TARGET_NATIVE_FILE_CLOSE (tmpfd, result);
return (TARGET_NATIVE_MATH_INT_INT64_CONST_0);
}
TARGET_NATIVE_FILE_CLOSE (tmpfd, result);
(*env)->ReleaseStringUTFChars (env, name, filename);
return ((result ==
TARGET_NATIVE_OK) ? length : TARGET_NATIVE_MATH_INT_INT64_CONST_0);
#else /* not WITHOUT_FILESYSTEM */
return (TARGET_NATIVE_MATH_INT_INT64_CONST_0);
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* This method returns the modification date of the file.
*
* Class: java_io_VMFile
* Method: lastModified
* Signature: (Ljava/lang/String;)J
*/
JNIEXPORT jlong JNICALL
Java_java_io_VMFile_lastModified (JNIEnv * env,
jobject obj __attribute__ ((__unused__)),
jstring name)
{
#ifndef WITHOUT_FILESYSTEM
const char *filename;
jlong mtime;
int result;
/* Don't use the JCL convert function because it throws an exception
on failure */
filename = (*env)->GetStringUTFChars (env, name, 0);
if (filename == NULL)
{
return (TARGET_NATIVE_MATH_INT_INT64_CONST_0);
}
TARGET_NATIVE_FILE_GET_LAST_MODIFIED (filename, mtime, result);
(*env)->ReleaseStringUTFChars (env, name, filename);
return ((result ==
TARGET_NATIVE_OK) ? mtime : TARGET_NATIVE_MATH_INT_INT64_CONST_0);
#else /* not WITHOUT_FILESYSTEM */
return (TARGET_NATIVE_MATH_INT_INT64_CONST_0);
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* This method sets the modification date of the file.
*
* Class: java_io_VMFile
* Method: setLastModified
* Signature: (Ljava/lang/String;J)Z
*/
JNIEXPORT jboolean JNICALL
Java_java_io_VMFile_setLastModified (JNIEnv * env,
jobject obj __attribute__ ((__unused__)),
jstring name, jlong newtime)
{
#ifndef WITHOUT_FILESYSTEM
const char *filename;
int result;
/* Don't use the JCL convert function because it throws an exception
on failure */
filename = (*env)->GetStringUTFChars (env, name, 0);
if (filename == NULL)
{
return (0);
}
TARGET_NATIVE_FILE_SET_LAST_MODIFIED (filename, newtime, result);
(*env)->ReleaseStringUTFChars (env, name, filename);
return ((result == TARGET_NATIVE_OK) ? 1 : 0);
#else /* not WITHOUT_FILESYSTEM */
return (0);
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* This method deletes a file (actually a name for a file - additional
* links could exist).
*
* Class: java_io_VMFile
* Method: delete
* Signature: (Ljava/lang/String;)Z
*/
JNIEXPORT jboolean JNICALL
Java_java_io_VMFile_delete (JNIEnv * env,
jobject obj __attribute__ ((__unused__)),
jstring name)
{
#ifndef WITHOUT_FILESYSTEM
const char *filename;
int result;
/* Don't use the JCL convert function because it throws an exception
on failure */
filename = (*env)->GetStringUTFChars (env, name, 0);
if (filename == NULL)
{
return (0);
}
TARGET_NATIVE_FILE_DELETE (filename, result);
(*env)->ReleaseStringUTFChars (env, name, filename);
return ((result == TARGET_NATIVE_OK) ? 1 : 0);
#else /* not WITHOUT_FILESYSTEM */
return (0);
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* This method creates a directory.
*
* Class: java_io_VMFile
* Method: mkdir
* Signature: (Ljava/lang/String;)Z
*/
JNIEXPORT jboolean JNICALL
Java_java_io_VMFile_mkdir (JNIEnv * env,
jobject obj __attribute__ ((__unused__)),
jstring name)
{
#ifndef WITHOUT_FILESYSTEM
const char *pathname;
int result;
/* Don't use the JCL convert function because it throws an exception
on failure */
pathname = (*env)->GetStringUTFChars (env, name, 0);
if (pathname == NULL)
{
return (0);
}
TARGET_NATIVE_FILE_MAKE_DIR (pathname, result);
(*env)->ReleaseStringUTFChars (env, name, pathname);
return ((result == TARGET_NATIVE_OK) ? 1 : 0);
#else /* not WITHOUT_FILESYSTEM */
return (0);
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* This method renames a (link to a) file.
*
* Class: java_io_VMFile
* Method: renameTo
* Signature: (Ljava/lang/String;Ljava/lang/String;)Z
*/
JNIEXPORT jboolean JNICALL
Java_java_io_VMFile_renameTo (JNIEnv * env,
jobject obj __attribute__ ((__unused__)),
jstring t, jstring d)
{
#ifndef WITHOUT_FILESYSTEM
const char *old_filename, *new_filename;
int result;
/* Don't use the JCL convert function because it throws an exception
on failure */
old_filename = (*env)->GetStringUTFChars (env, t, 0);
if (old_filename == NULL)
{
return (0);
}
new_filename = (*env)->GetStringUTFChars (env, d, 0);
if (new_filename == NULL)
{
(*env)->ReleaseStringUTFChars (env, t, old_filename);
return (0);
}
TARGET_NATIVE_FILE_RENAME (old_filename, new_filename, result);
(*env)->ReleaseStringUTFChars (env, d, new_filename);
(*env)->ReleaseStringUTFChars (env, t, old_filename);
return ((result == TARGET_NATIVE_OK) ? 1 : 0);
#else /* not WITHOUT_FILESYSTEM */
return (0);
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* This method returns an array of String representing all the files
* in a directory except "." and "..".
*
* Class: java_io_VMFile
* Method: list
* Signature: (Ljava/lang/String;)[Ljava/lang/String;
*/
JNIEXPORT jobjectArray JNICALL
Java_java_io_VMFile_list (JNIEnv * env, jobject obj
__attribute__ ((__unused__)), jstring name)
{
#ifndef WITHOUT_FILESYSTEM
const int REALLOC_SIZE = 10;
const char *dirname;
int result;
char **filelist;
void *handle;
const char *filename;
unsigned long int filelist_count, max_filelist_count;
char **tmp_filelist;
jclass str_clazz;
jobjectArray filearray;
unsigned long int i;
jstring str;
/* Don't use the JCL convert function because it throws an exception
on failure */
dirname = (*env)->GetStringUTFChars (env, name, 0);
if (dirname == NULL)
{
return (0);
}
/* open directory for reading */
TARGET_NATIVE_FILE_OPEN_DIR (dirname, handle, result);
(*env)->ReleaseStringUTFChars (env, name, dirname);
if (result != TARGET_NATIVE_OK)
{
return (0);
}
/* allocate filelist */
filelist = (char **) JCL_malloc (env, sizeof (char *) * REALLOC_SIZE);
if (filelist == NULL)
{
TARGET_NATIVE_FILE_CLOSE_DIR (handle, result);
return (0);
}
filelist_count = 0;
max_filelist_count = REALLOC_SIZE;
/* read the files from the directory */
TARGET_NATIVE_FILE_READ_DIR (handle, filename, result);
while (result == TARGET_NATIVE_OK)
{
if ((strcmp (filename, ".") != 0) && (strcmp (filename, "..") != 0))
{
/* allocate more memory if necessary */
if (filelist_count >= max_filelist_count)
{
tmp_filelist = (char **) JCL_realloc (env,
filelist,
(max_filelist_count +
REALLOC_SIZE) *
sizeof (char *));
if (tmp_filelist == NULL)
{
for (i = 0; i < filelist_count; i++)
{
JCL_free (env, filelist[i]);
}
JCL_free (env, filelist);
TARGET_NATIVE_FILE_CLOSE_DIR (handle, result);
return (0);
}
filelist = tmp_filelist;
max_filelist_count += REALLOC_SIZE;
}
/* save entry in list (avoid strdup, because it is not ANSI C, thus difficult to port) */
filelist[filelist_count] =
(char *) JCL_malloc (env, strlen (filename) + 1);
assert (filelist[filelist_count] != NULL);
strcpy (filelist[filelist_count], filename);
filelist_count++;
}
/* read next directory entry */
TARGET_NATIVE_FILE_READ_DIR (handle, filename, result);
}
/* close directory */
TARGET_NATIVE_FILE_CLOSE_DIR (handle, result);
/* put the list of files into a Java String array and return it */
str_clazz = (*env)->FindClass (env, "java/lang/String");
if (str_clazz == NULL)
{
for (i = 0; i < filelist_count; i++)
{
JCL_free (env, filelist[i]);
}
JCL_free (env, filelist);
return (0);
}
filearray = (*env)->NewObjectArray (env, filelist_count, str_clazz, 0);
if (filearray == NULL)
{
for (i = 0; i < filelist_count; i++)
{
JCL_free (env, filelist[i]);
}
JCL_free (env, filelist);
return (0);
}
for (i = 0; i < filelist_count; i++)
{
/* create new string */
str = (*env)->NewStringUTF (env, filelist[i]);
if (str == NULL)
{
/* We don't clean up everything here, but if this failed,
something serious happened anyway */
for (i = 0; i < filelist_count; i++)
{
JCL_free (env, filelist[i]);
}
JCL_free (env, filelist);
return (0);
}
/* save into array */
(*env)->SetObjectArrayElement (env, filearray, i, str);
/* delete local reference */
(*env)->DeleteLocalRef (env, str);
}
/* free resources */
for (i = 0; i < filelist_count; i++)
{
JCL_free (env, filelist[i]);
}
JCL_free (env, filelist);
return (filearray);
#else /* not WITHOUT_FILESYSTEM */
return (0);
#endif /* not WITHOUT_FILESYSTEM */
}
@@ -0,0 +1,69 @@
/* java_io_VMObjectInputStream.c -- Native methods for ObjectInputStream class
Copyright (C) 1998, 2004, 2005 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
/* TODO: check exceptions */
/* comments */
/* do not move; needed here because of some macro definitions */
#include <config.h>
#include <jni.h>
#include <jcl.h>
#include "java_io_VMObjectInputStream.h"
/*
* Class: java_io_VMObjectInputStream
* Method: allocateObject
* Signature: (Ljava/lang/Class;)Ljava/lang/Object;
*/
JNIEXPORT jobject JNICALL
Java_java_io_VMObjectInputStream_allocateObject (JNIEnv * env,
jclass clazz
__attribute__((__unused__)),
jclass target_clazz,
jclass constr_clazz,
jobject constructor)
{
jobject obj = (*env)->AllocObject (env, target_clazz);
jmethodID id = (*env)->FromReflectedMethod (env, constructor);
(*env)->CallNonvirtualVoidMethod (env, obj, constr_clazz, id);
return obj;
}
@@ -0,0 +1,381 @@
/* java_io_VMObjectStreamClass.c -- Native methods for VMObjectStreamClass.java
Copyright (C) 2003, 2004 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
#include <jni.h>
#include <jcl.h>
#include <stdlib.h>
#include <string.h>
#include "java_io_VMObjectStreamClass.h"
/*
* Class: java_io_VMObjectOutputStream
* Method: hasClassInitializer
* Signature: (Ljava/lang/Class;)Z
*/
JNIEXPORT jboolean JNICALL
Java_java_io_VMObjectStreamClass_hasClassInitializer (JNIEnv * env,
jclass vmosklass
__attribute__ ((__unused__)), jclass klass)
{
jmethodID mid = (*env)->GetStaticMethodID (env, klass, "<clinit>", "()V");
if (mid == NULL)
{
(*env)->ExceptionClear (env);
return JNI_FALSE;
}
return JNI_TRUE;
}
static void
throwInternalError (JNIEnv * env)
{
jclass internalErrorClass;
jthrowable previousException, newException;
jmethodID initException, getMessageID, initCauseID;
jstring message;
internalErrorClass = (*env)->FindClass (env, "java/lang/InternalError");
/** Just give up if this also fails. */
if (internalErrorClass == NULL)
return;
previousException = (*env)->ExceptionOccurred (env);
if (previousException == NULL)
{
(*env)->ThrowNew (env, internalErrorClass,
"Unknown error raised by the VM");
return;
}
initException = (*env)->GetMethodID
(env, internalErrorClass, "<init>", "(Ljava/lang/String;)V");
getMessageID = (*env)->GetMethodID
(env, (*env)->GetObjectClass (env, previousException),
"getMessage", "()Ljava/lang/String;");
initCauseID = (*env)->GetMethodID
(env, internalErrorClass, "initCause", "(Ljava/lang/Throwable;)V");
message = (*env)->CallObjectMethod (env, previousException, getMessageID);
newException = (*env)->NewObject (env, internalErrorClass, initException,
message);
(*env)->CallVoidMethod (env, newException, initCauseID, previousException);
(*env)->ExceptionClear (env);
(*env)->Throw (env, newException);
}
static jfieldID
getFieldReference (JNIEnv * env, jobject field, const char *type)
{
jclass classClass;
jclass fieldClass;
jclass declaringClass;
jclass typeClass;
jfieldID fid;
const char *field_name;
const char *type_name;
int type_len;
jmethodID mid;
jstring name;
jstring tname;
int i;
fieldClass = (*env)->GetObjectClass (env, field);
mid =
(*env)->GetMethodID (env, fieldClass, "getName", "()Ljava/lang/String;");
if (mid == NULL || (*env)->ExceptionOccurred (env) != NULL)
{
throwInternalError (env);
return NULL;
}
name = (*env)->CallObjectMethod (env, field, mid);
field_name = (*env)->GetStringUTFChars (env, name, NULL);
mid = (*env)->GetMethodID (env, fieldClass,
"getDeclaringClass", "()Ljava/lang/Class;");
if (mid == NULL || (*env)->ExceptionOccurred (env) != NULL)
{
throwInternalError (env);
return NULL;
}
declaringClass = (*env)->CallObjectMethod (env, field, mid);
/* Do we need to find out the exact type descriptor of the field? */
if (type == NULL)
{
char *the_type;
mid = (*env)->GetMethodID (env, fieldClass,
"getType", "()Ljava/lang/Class;");
if (mid == NULL || (*env)->ExceptionOccurred (env) != NULL)
{
throwInternalError (env);
return NULL;
}
typeClass = (*env)->CallObjectMethod (env, field, mid);
classClass = (*env)->FindClass (env, "java/lang/Class");
mid = (*env)->GetMethodID (env, classClass,
"getName", "()Ljava/lang/String;");
if (mid == NULL || (*env)->ExceptionOccurred (env) != NULL)
{
throwInternalError (env);
return NULL;
}
tname = (*env)->CallObjectMethod (env, typeClass, mid);
type_name = (*env)->GetStringUTFChars (env, tname, NULL);
/*
* If it isn't an array class then the actual field type descriptor
* starts with 'L', ends with ';' and has '/' instead of '.'.
*/
type_len = strlen ((char *) type_name);
if (type_name[0] != '[')
{
/* XXX - FIXME - should not use dynamic allocation in core lib. */
the_type = (char *) malloc (type_len + 3);
the_type[0] = 'L';
the_type[type_len + 1] = ';';
the_type[type_len + 2] = '\0';
the_type++;
}
else
{
/* XXX - FIXME - should not use dynamic allocation in core lib. */
the_type = (char *) malloc (type_len + 1);
the_type[type_len] = '\0';
}
for (i = 0; i < type_len; i++)
if (type_name[i] == '.')
the_type[i] = '/';
else
the_type[i] = type_name[i];
if (type_name[0] != '[')
the_type--;
(*env)->ReleaseStringUTFChars (env, tname, type_name);
fid = (*env)->GetFieldID (env, declaringClass, field_name, the_type);
free (the_type);
}
else
{
type_len = -1;
fid = (*env)->GetFieldID (env, declaringClass, field_name, type);
}
if (fid == NULL)
{
throwInternalError (env);
return NULL;
}
(*env)->ReleaseStringUTFChars (env, name, field_name);
return fid;
}
/*
* Class: java_io_VMObjectOutputStream
* Method: setBooleanNative
* Signature: (Ljava/lang/reflect/Field;Ljava/lang/Object;Z)V
*/
JNIEXPORT void JNICALL
Java_java_io_VMObjectStreamClass_setBooleanNative (JNIEnv * env,
jclass vmosklass
__attribute__ ((__unused__)), jobject field, jobject object, jboolean value)
{
jfieldID fid = getFieldReference (env, field, "Z");
if (fid != NULL)
(*env)->SetBooleanField (env, object, fid, value);
}
/*
* Class: java_io_VMObjectOutputStream
* Method: setCharNative
* Signature: (Ljava/lang/reflect/Field;Ljava/lang/Object;C)V
*/
JNIEXPORT void JNICALL
Java_java_io_VMObjectStreamClass_setCharNative (JNIEnv * env,
jclass vmosklass
__attribute__ ((__unused__)),
jobject field,
jobject object, jchar value)
{
jfieldID fid = getFieldReference (env, field, "C");
if (fid != NULL)
(*env)->SetCharField (env, object, fid, value);
}
/*
* Class: java_io_VMObjectOutputStream
* Method: setByteNative
* Signature: (Ljava/lang/reflect/Field;Ljava/lang/Object;B)V
*/
JNIEXPORT void JNICALL
Java_java_io_VMObjectStreamClass_setByteNative (JNIEnv * env,
jclass vmosklass
__attribute__ ((__unused__)),
jobject field,
jobject object, jbyte value)
{
jfieldID fid = getFieldReference (env, field, "B");
if (fid != NULL)
(*env)->SetByteField (env, object, fid, value);
}
/*
* Class: java_io_VMObjectOutputStream
* Method: setShortNative
* Signature: (Ljava/lang/reflect/Field;Ljava/lang/Object;S)V
*/
JNIEXPORT void JNICALL
Java_java_io_VMObjectStreamClass_setShortNative (JNIEnv * env,
jclass vmosklass
__attribute__ ((__unused__)),
jobject field,
jobject object, jshort value)
{
jfieldID fid = getFieldReference (env, field, "S");
if (fid != NULL)
(*env)->SetShortField (env, object, fid, value);
}
/*
* Class: java_io_VMObjectOutputStream
* Method: setIntNative
* Signature: (Ljava/lang/reflect/Field;Ljava/lang/Object;I)V
*/
JNIEXPORT void JNICALL
Java_java_io_VMObjectStreamClass_setIntNative (JNIEnv * env,
jclass vmosklass
__attribute__ ((__unused__)),
jobject field,
jobject object, jint value)
{
jfieldID fid = getFieldReference (env, field, "I");
if (fid != NULL)
(*env)->SetIntField (env, object, fid, value);
}
/*
* Class: java_io_VMObjectOutputStream
* Method: setLongNative
* Signature: (Ljava/lang/reflect/Field;Ljava/lang/Object;J)V
*/
JNIEXPORT void JNICALL
Java_java_io_VMObjectStreamClass_setLongNative (JNIEnv * env,
jclass vmosklass
__attribute__ ((__unused__)),
jobject field,
jobject object, jlong value)
{
jfieldID fid = getFieldReference (env, field, "J");
if (fid != NULL)
(*env)->SetLongField (env, object, fid, value);
}
/*
* Class: java_io_VMObjectOutputStream
* Method: setFloatNative
* Signature: (Ljava/lang/reflect/Field;Ljava/lang/Object;F)V
*/
JNIEXPORT void JNICALL
Java_java_io_VMObjectStreamClass_setFloatNative (JNIEnv * env,
jclass vmosklass
__attribute__ ((__unused__)),
jobject field,
jobject object, jfloat value)
{
jfieldID fid = getFieldReference (env, field, "F");
if (fid != NULL)
(*env)->SetFloatField (env, object, fid, value);
}
/*
* Class: java_io_VMObjectOutputStream
* Method: setDoubleNative
* Signature: (Ljava/lang/reflect/Field;Ljava/lang/Object;D)V
*/
JNIEXPORT void JNICALL
Java_java_io_VMObjectStreamClass_setDoubleNative (JNIEnv * env,
jclass vmosklass
__attribute__ ((__unused__)), jobject field, jobject object, jdouble value)
{
jfieldID fid = getFieldReference (env, field, "D");
if (fid != NULL)
(*env)->SetDoubleField (env, object, fid, value);
}
/*
* Class: java_io_VMObjectOutputStream
* Method: setObjectNative
* Signature: (Ljava/lang/reflect/Field;Ljava/lang/Object;Ljava/lang/Object;)V
*/
JNIEXPORT void JNICALL
Java_java_io_VMObjectStreamClass_setObjectNative (JNIEnv * env,
jclass vmosklass
__attribute__ ((__unused__)), jobject field, jobject object, jobject value)
{
jfieldID fid = getFieldReference (env, field, NULL);
if (fid != NULL)
(*env)->SetObjectField (env, object, fid, value);
}
@@ -0,0 +1,363 @@
/* javaio.c - Common java.io native functions
Copyright (C) 1998, 2002, 2004 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
/* do not move; needed here because of some macro definitions */
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <jni.h>
#include <jcl.h>
#include "target_native.h"
#ifndef WITHOUT_FILESYSTEM
#include "target_native_file.h"
#endif
#include "target_native_math_int.h"
#include "javaio.h"
/*
* Function to open a file
*/
jint
_javaio_open_read (JNIEnv * env, jstring name)
{
#ifndef WITHOUT_FILESYSTEM
const char *filename;
int fd;
int result;
filename = JCL_jstring_to_cstring (env, name);
if (filename == NULL)
return (-1);
TARGET_NATIVE_FILE_OPEN_READ (filename, fd, result);
(*env)->ReleaseStringUTFChars (env, name, filename);
if (result != TARGET_NATIVE_OK)
{
if (TARGET_NATIVE_LAST_ERROR () == TARGET_NATIVE_ERROR_NO_SUCH_FILE)
JCL_ThrowException (env,
"java/io/FileNotFoundException",
TARGET_NATIVE_LAST_ERROR_STRING ());
else
JCL_ThrowException (env,
"java/io/IOException",
TARGET_NATIVE_LAST_ERROR_STRING ());
}
JCL_free_cstring (env, name, filename);
return (fd);
#else /* not WITHOUT_FILESYSTEM */
return (-1);
#endif /* not WITHOUT_FILESYSTEM */
}
/*
* Function to open a file for reading/writing
*/
jint
_javaio_open_readwrite (JNIEnv * env, jstring name)
{
#ifndef WITHOUT_FILESYSTEM
const char *filename;
int fd;
int result;
filename = JCL_jstring_to_cstring (env, name);
if (filename == NULL)
return (-1);
TARGET_NATIVE_FILE_OPEN_READWRITE (filename, fd, result);
(*env)->ReleaseStringUTFChars (env, name, filename);
if (result != TARGET_NATIVE_OK)
{
if (TARGET_NATIVE_LAST_ERROR () == TARGET_NATIVE_ERROR_NO_SUCH_FILE)
JCL_ThrowException (env,
"java/io/FileNotFoundException",
TARGET_NATIVE_LAST_ERROR_STRING ());
else
JCL_ThrowException (env,
"java/io/IOException",
TARGET_NATIVE_LAST_ERROR_STRING ());
}
JCL_free_cstring (env, name, filename);
return (fd);
#else /* not WITHOUT_FILESYSTEM */
return (-1);
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* Function to close a file
*/
void
_javaio_close (JNIEnv * env, jint fd)
{
#ifndef WITHOUT_FILESYSTEM
int result;
if (fd != -1)
{
TARGET_NATIVE_FILE_CLOSE (fd, result);
if (result != TARGET_NATIVE_OK)
JCL_ThrowException (env,
"java/io/IOException",
TARGET_NATIVE_LAST_ERROR_STRING ());
}
#else /* not WITHOUT_FILESYSTEM */
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* Skips bytes in a file
*/
jlong
_javaio_skip_bytes (JNIEnv * env, jint fd, jlong num_bytes)
{
#ifndef WITHOUT_FILESYSTEM
jlong current_offset, new_offset;
int result;
TARGET_NATIVE_FILE_SEEK_CURRENT (fd, TARGET_NATIVE_MATH_INT_INT64_CONST_0,
current_offset, result);
if (result != TARGET_NATIVE_OK)
JCL_ThrowException (env,
"java/io/IOException",
TARGET_NATIVE_LAST_ERROR_STRING ());
TARGET_NATIVE_FILE_SEEK_CURRENT (fd, num_bytes, new_offset, result);
if (result != TARGET_NATIVE_OK)
JCL_ThrowException (env,
"java/io/IOException",
TARGET_NATIVE_LAST_ERROR_STRING ());
return (TARGET_NATIVE_MATH_INT_INT64_SUB (new_offset, current_offset));
#else /* not WITHOUT_FILESYSTEM */
return (TARGET_NATIVE_MATH_INT_INT64_CONST_0);
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* Gets the size of the file
*/
jlong
_javaio_get_file_length (JNIEnv * env, jint fd)
{
#ifndef WITHOUT_FILESYSTEM
jlong length;
int result;
TARGET_NATIVE_FILE_SIZE (fd, length, result);
if (result != TARGET_NATIVE_OK)
{
JCL_ThrowException (env,
"java/io/IOException",
TARGET_NATIVE_LAST_ERROR_STRING ());
return (TARGET_NATIVE_MATH_INT_INT64_CONST_MINUS_1);
}
return (length);
#else /* not WITHOUT_FILESYSTEM */
return (TARGET_NATIVE_MATH_INT_INT64_CONST_0);
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* Reads data from a file
*/
jint
_javaio_read (JNIEnv * env, jint fd, jarray buf, jint offset, jint len)
{
#ifndef WITHOUT_FILESYSTEM
jbyte *bufptr;
int bytesRead;
int result;
assert (offset >= 0);
assert (len >= 0);
if (len == 0)
return 0; /* Nothing todo, and GetByteArrayElements() seems undefined. */
bufptr = (*env)->GetByteArrayElements (env, buf, JNI_FALSE);
if (bufptr == NULL)
{
JCL_ThrowException (env, "java/io/IOException",
"Internal Error: get byte array fail");
return (-1);
}
TARGET_NATIVE_FILE_READ (fd, (bufptr + offset), len, bytesRead, result);
(*env)->ReleaseByteArrayElements (env, buf, bufptr, 0);
if (result != TARGET_NATIVE_OK)
JCL_ThrowException (env,
"java/io/IOException",
TARGET_NATIVE_LAST_ERROR_STRING ());
if (bytesRead == 0)
return (-1);
return (bytesRead);
#else /* not WITHOUT_FILESYSTEM */
jbyte *bufptr;
int bytesRead;
assert (offset >= 0);
assert (len >= 0);
if ((fd == 0) || (fd == 1) || (fd == 2))
{
if (len == 0)
return 0; /* Nothing todo, and GetByteArrayElements() seems undefined. */
bufptr = (*env)->GetByteArrayElements (env, buf, JNI_FALSE);
if (bufptr == NULL)
{
JCL_ThrowException (env, "java/io/IOException",
"Internal Error: get byte array");
return (-1);
}
TARGET_NATIVE_FILE_READ (fd, (bufptr + offset), len, bytesRead, result);
(*env)->ReleaseByteArrayElements (env, buf, bufptr, 0);
if (result != TARGET_NATIVE_OK)
JCL_ThrowException (env,
"java/io/IOException",
TARGET_NATIVE_LAST_ERROR_STRING ());
if (bytesRead == 0)
return (-1);
return (bytesRead);
}
else
{
return (-1);
}
#endif /* not WITHOUT_FILESYSTEM */
}
/*************************************************************************/
/*
* Writes data to a file
*/
jint
_javaio_write (JNIEnv * env, jint fd, jarray buf, jint offset, jint len)
{
#ifndef WITHOUT_FILESYSTEM
jbyte *bufptr;
int bytes_written;
int result;
if (len == 0)
return 0; /* Nothing todo, and GetByteArrayElements() seems undefined. */
bufptr = (*env)->GetByteArrayElements (env, buf, 0);
if (bufptr == NULL)
{
JCL_ThrowException (env, "java/io/IOException",
"Internal Error: get byte array");
return (-1);
}
TARGET_NATIVE_FILE_WRITE (fd, (bufptr + offset), len, bytes_written,
result);
(*env)->ReleaseByteArrayElements (env, buf, bufptr, 0);
if (result != TARGET_NATIVE_OK)
JCL_ThrowException (env,
"java/io/IOException",
TARGET_NATIVE_LAST_ERROR_STRING ());
if (bytes_written == 0)
return (-1);
return (bytes_written);
#else /* not WITHOUT_FILESYSTEM */
jbyte *bufptr;
int bytesWritten;
if ((fd == 0) || (fd == 1) || (fd == 2))
{
if (len == 0)
return 0; /* Nothing todo, and GetByteArrayElements() seems undefined. */
bufptr = (*env)->GetByteArrayElements (env, buf, 0);
if (bufptr == NULL)
{
JCL_ThrowException (env, "java/io/IOException", "Internal Error");
return (-1);
}
TARGET_NATIVE_FILE_WRITE (fd, (bufptr + offset), len, bytes_written,
result);
(*env)->ReleaseByteArrayElements (env, buf, bufptr, 0);
if (bytes_written == -1)
JCL_ThrowException (env,
"java/io/IOException",
TARGET_NATIVE_LAST_ERROR_STRING ());
if (bytes_written == 0)
return (-1);
return (bytes_written);
}
else
{
return (-1);
}
#endif /* not WITHOUT_FILESYSTEM */
}
@@ -0,0 +1,58 @@
/* javaio.h - Declaration for common java.io native functions
Copyright (C) 1998, 2004 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
#ifndef JAVAIO_H_INCLUDED
#define JAVAIO_H_INCLUDED
#include <stddef.h>
/*
* Function Prototypes
*/
extern jlong _javaio_get_file_length(JNIEnv *, jint);
extern jlong _javaio_skip_bytes(JNIEnv *, jint, jlong);
extern jint _javaio_open(JNIEnv *, jstring, int);
extern jint _javaio_open_read(JNIEnv *, jstring);
extern jint _javaio_open_readwrite(JNIEnv *, jstring);
extern void _javaio_close(JNIEnv *, jint fd);
extern jint _javaio_read(JNIEnv *, jint, jarray, jint, jint);
extern jint _javaio_write(JNIEnv *, jint, jarray, jint, jint);
#endif /* JAVAIO_H_INCLUDED */