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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/java/net/natVMURLConnection.cc | |
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Diffstat (limited to 'libjava/java/net/natVMURLConnection.cc')
-rw-r--r-- | libjava/java/net/natVMURLConnection.cc | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/libjava/java/net/natVMURLConnection.cc b/libjava/java/net/natVMURLConnection.cc new file mode 100644 index 000000000..0a30a2197 --- /dev/null +++ b/libjava/java/net/natVMURLConnection.cc @@ -0,0 +1,81 @@ +/* Copyright (C) 2006, 2007 Free Software Foundation + + This file is part of libgcj. + +This software is copyrighted work licensed under the terms of the +Libgcj License. Please consult the file "LIBGCJ_LICENSE" for +details. */ + +#include <config.h> + +#include <java/net/VMURLConnection.h> +#include <gcj/cni.h> +#include <java/lang/UnsupportedOperationException.h> +#include <stdio.h> + +#if defined (HAVE_MAGIC_T) && defined (HAVE_MAGIC_H) && defined (USE_LTDL) + +#include <magic.h> +#include <ltdl.h> + +static magic_t cookie; + +static magic_t (*p_magic_open)(int flags); +static int (*p_magic_load)(magic_t cookie, const char *filename); +static void (*p_magic_close)(magic_t cookie); +static const char * (*p_magic_buffer) (magic_t cookie, const void *buffer, + size_t length); + +#endif /* HAVE_MAGIC_T && HAVE_MAGIC_H && defined (USE_LTDL) */ + +void +java::net::VMURLConnection::init () +{ +#if defined (HAVE_MAGIC_T) && defined (HAVE_MAGIC_H) && defined (USE_LTDL) + lt_dlhandle handle = lt_dlopenext ("libmagic.so"); + if (!handle) + return; + + p_magic_open = (typeof (p_magic_open))lt_dlsym(handle, "magic_open"); + if (p_magic_open == NULL) + return; + p_magic_buffer = (typeof (p_magic_buffer))lt_dlsym(handle, "magic_buffer"); + if (p_magic_buffer == NULL) + return; + p_magic_close = (typeof (p_magic_close))lt_dlsym(handle, "magic_close"); + if (p_magic_close == NULL) + return; + p_magic_load = (typeof (p_magic_load))lt_dlsym(handle, "magic_load"); + if (p_magic_load == NULL) + return; + + cookie = p_magic_open (MAGIC_MIME); + if (cookie == (magic_t) NULL) + return; + if (p_magic_load (cookie, NULL) == -1) + { + p_magic_close (cookie); + cookie = (magic_t) NULL; + } +#endif /* HAVE_MAGIC_T && HAVE_MAGIC_H && defined (USE_LTDL) */ +} + +::java::lang::String * +java::net::VMURLConnection::guessContentTypeFromBuffer (jbyteArray bytes __attribute__ ((unused)), + jint valid __attribute__ ((unused))) +{ +#if defined (HAVE_MAGIC_T) && defined (HAVE_MAGIC_H) && defined (USE_LTDL) + const char *result; + + if (cookie == (magic_t) NULL) + return NULL; + + result = p_magic_buffer (cookie, elements(bytes), valid); + + if (result == NULL) + return NULL; + return _Jv_NewStringUTF (result); +#else + return NULL; +#endif /* HAVE_MAGIC_T && HAVE_MAGIC_H && defined (USE_LTDL) */ +} |