jdk/src/solaris/native/java/lang/java_props_md.c
changeset 2 90ce3da70b43
child 5167 dbd299f8fdae
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/native/java/lang/java_props_md.c	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,416 @@
+/*
+ * Copyright 1998-2006 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+#ifdef __linux__
+#include <stdio.h>
+#include <ctype.h>
+#endif
+#include <pwd.h>
+#include <locale.h>
+#ifndef ARCHPROPNAME
+#error "The macro ARCHPROPNAME has not been defined"
+#endif
+#include <sys/utsname.h>        /* For os_name and os_version */
+#include <langinfo.h>           /* For nl_langinfo */
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/param.h>
+#include <time.h>
+#include <errno.h>
+
+#include "locale_str.h"
+#include "java_props.h"
+
+#ifdef __linux__
+#define CODESET _NL_CTYPE_CODESET_NAME
+#else
+#ifdef ALT_CODESET_KEY
+#define CODESET ALT_CODESET_KEY
+#endif
+#endif
+
+/* Take an array of string pairs (map of key->value) and a string (key).
+ * Examine each pair in the map to see if the first string (key) matches the
+ * string.  If so, store the second string of the pair (value) in the value and
+ * return 1.  Otherwise do nothing and return 0.  The end of the map is
+ * indicated by an empty string at the start of a pair (key of "").
+ */
+static int
+mapLookup(char* map[], const char* key, char** value) {
+    int i;
+    for (i = 0; strcmp(map[i], ""); i += 2){
+        if (!strcmp(key, map[i])){
+            *value = map[i + 1];
+            return 1;
+        }
+    }
+    return 0;
+}
+
+/* This function sets an environment variable using envstring.
+ * The format of envstring is "name=value".
+ * If the name has already existed, it will append value to the name.
+ */
+static void
+setPathEnvironment(char *envstring)
+{
+    char name[20], *value, *current;
+
+    value = strchr(envstring, '='); /* locate name and value separator */
+
+    if (! value)
+        return; /* not a valid environment setting */
+
+    /* copy first part as environment name */
+    strncpy(name, envstring, value - envstring);
+    name[value-envstring] = '\0';
+
+    value++; /* set value point to value of the envstring */
+
+    current = getenv(name);
+    if (current) {
+        if (! strstr(current, value)) {
+            /* value is not found in current environment, append it */
+            char *temp = malloc(strlen(envstring) + strlen(current) + 2);
+        strcpy(temp, name);
+        strcat(temp, "=");
+        strcat(temp, current);
+        strcat(temp, ":");
+        strcat(temp, value);
+        putenv(temp);
+        }
+        /* else the value has already been set, do nothing */
+    }
+    else {
+        /* environment variable is not found */
+        putenv(envstring);
+    }
+}
+
+#ifndef P_tmpdir
+#define P_tmpdir "/var/tmp"
+#endif
+
+/* This function gets called very early, before VM_CALLS are setup.
+ * Do not use any of the VM_CALLS entries!!!
+ */
+java_props_t *
+GetJavaProperties(JNIEnv *env)
+{
+    static java_props_t sprops = {0};
+    char *v; /* tmp var */
+
+    if (sprops.user_dir) {
+        return &sprops;
+    }
+
+    /* tmp dir */
+    sprops.tmp_dir = P_tmpdir;
+
+    /* Printing properties */
+    sprops.printerJob = "sun.print.PSPrinterJob";
+
+    /* patches/service packs installed */
+    sprops.patch_level = "unknown";
+
+    /* Java 2D properties */
+    sprops.graphics_env = "sun.awt.X11GraphicsEnvironment";
+    sprops.awt_toolkit = NULL;
+
+    /* This is used only for debugging of font problems. */
+    v = getenv("JAVA2D_FONTPATH");
+    sprops.font_dir = v ? v : NULL;
+
+#ifdef SI_ISALIST
+    /* supported instruction sets */
+    {
+        char list[258];
+        sysinfo(SI_ISALIST, list, sizeof(list));
+        sprops.cpu_isalist = strdup(list);
+    }
+#else
+    sprops.cpu_isalist = NULL;
+#endif
+
+    /* endianness of platform */
+    {
+        unsigned int endianTest = 0xff000000;
+        if (((char*)(&endianTest))[0] != 0)
+            sprops.cpu_endian = "big";
+        else
+            sprops.cpu_endian = "little";
+    }
+
+    /* os properties */
+    {
+        struct utsname name;
+        uname(&name);
+        sprops.os_name = strdup(name.sysname);
+        sprops.os_version = strdup(name.release);
+
+        sprops.os_arch = ARCHPROPNAME;
+
+        if (getenv("GNOME_DESKTOP_SESSION_ID") != NULL) {
+            sprops.desktop = "gnome";
+        }
+        else {
+            sprops.desktop = NULL;
+        }
+    }
+
+    /* Determine the language, country, variant, and encoding from the host,
+     * and store these in the user.language, user.country, user.variant and
+     * file.encoding system properties. */
+    {
+        char *lc;
+        lc = setlocale(LC_CTYPE, "");
+#ifndef __linux__
+        if (lc == NULL) {
+            /*
+             * 'lc == null' means system doesn't support user's environment
+             * variable's locale.
+             */
+          setlocale(LC_ALL, "C");
+          sprops.language = "en";
+          sprops.encoding = "ISO8859-1";
+          sprops.sun_jnu_encoding = sprops.encoding;
+        } else {
+#else
+        if (lc == NULL || !strcmp(lc, "C") || !strcmp(lc, "POSIX")) {
+            lc = "en_US";
+        }
+        {
+#endif
+
+            /*
+             * locale string format in Solaris is
+             * <language name>_<country name>.<encoding name>@<variant name>
+             * <country name>, <encoding name>, and <variant name> are optional.
+             */
+            char temp[64];
+            char *language = NULL, *country = NULL, *variant = NULL,
+                 *encoding = NULL;
+            char *std_language = NULL, *std_country = NULL, *std_variant = NULL,
+                 *std_encoding = NULL;
+            char *p, encoding_variant[64];
+            int i, found;
+
+#ifndef __linux__
+            /*
+             * Workaround for Solaris bug 4201684: Xlib doesn't like @euro
+             * locales. Since we don't depend on the libc @euro behavior,
+             * we just remove the qualifier.
+             * On Linux, the bug doesn't occur; on the other hand, @euro
+             * is needed there because it's a shortcut that also determines
+             * the encoding - without it, we wouldn't get ISO-8859-15.
+             * Therefore, this code section is Solaris-specific.
+             */
+            lc = strdup(lc);    /* keep a copy, setlocale trashes original. */
+            strcpy(temp, lc);
+            p = strstr(temp, "@euro");
+            if (p != NULL)
+                *p = '\0';
+            setlocale(LC_ALL, temp);
+#endif
+
+            strcpy(temp, lc);
+
+            /* Parse the language, country, encoding, and variant from the
+             * locale.  Any of the elements may be missing, but they must occur
+             * in the order language_country.encoding@variant, and must be
+             * preceded by their delimiter (except for language).
+             *
+             * If the locale name (without .encoding@variant, if any) matches
+             * any of the names in the locale_aliases list, map it to the
+             * corresponding full locale name.  Most of the entries in the
+             * locale_aliases list are locales that include a language name but
+             * no country name, and this facility is used to map each language
+             * to a default country if that's possible.  It's also used to map
+             * the Solaris locale aliases to their proper Java locale IDs.
+             */
+            if ((p = strchr(temp, '.')) != NULL) {
+                strcpy(encoding_variant, p); /* Copy the leading '.' */
+                *p = '\0';
+            } else if ((p = strchr(temp, '@')) != NULL) {
+                 strcpy(encoding_variant, p); /* Copy the leading '@' */
+                 *p = '\0';
+            } else {
+                *encoding_variant = '\0';
+            }
+
+            if (mapLookup(locale_aliases, temp, &p)) {
+                strcpy(temp, p);
+            }
+
+            language = temp;
+            if ((country = strchr(temp, '_')) != NULL) {
+                *country++ = '\0';
+            }
+
+            p = encoding_variant;
+            if ((encoding = strchr(p, '.')) != NULL) {
+                p[encoding++ - p] = '\0';
+                p = encoding;
+            }
+            if ((variant = strchr(p, '@')) != NULL) {
+                p[variant++ - p] = '\0';
+            }
+
+            /* Normalize the language name */
+            std_language = "en";
+            if (language != NULL) {
+                mapLookup(language_names, language, &std_language);
+            }
+            sprops.language = std_language;
+
+            /* Normalize the country name */
+            if (country != NULL) {
+                std_country = country;
+                mapLookup(country_names, country, &std_country);
+                sprops.country = strdup(std_country);
+            }
+
+            /* Normalize the variant name.  Note that we only use
+             * variants listed in the mapping array; others are ignored. */
+            if (variant != NULL) {
+                mapLookup(variant_names, variant, &std_variant);
+                sprops.variant = std_variant;
+            }
+
+            /* Normalize the encoding name.  Note that we IGNORE the string
+             * 'encoding' extracted from the locale name above.  Instead, we use the
+             * more reliable method of calling nl_langinfo(CODESET).  This function
+             * returns an empty string if no encoding is set for the given locale
+             * (e.g., the C or POSIX locales); we use the default ISO 8859-1
+             * converter for such locales.
+             */
+
+            /* OK, not so reliable - nl_langinfo() gives wrong answers on
+             * Euro locales, in particular. */
+            if (strcmp(p, "ISO8859-15") == 0)
+                p = "ISO8859-15";
+            else
+                p = nl_langinfo(CODESET);
+
+            /* Convert the bare "646" used on Solaris to a proper IANA name */
+            if (strcmp(p, "646") == 0)
+                p = "ISO646-US";
+
+            /* return same result nl_langinfo would return for en_UK,
+             * in order to use optimizations. */
+            std_encoding = (*p != '\0') ? p : "ISO8859-1";
+
+
+#ifdef __linux__
+            /*
+             * Remap the encoding string to a different value for japanese
+             * locales on linux so that customized converters are used instead
+             * of the default converter for "EUC-JP". The customized converters
+             * omit support for the JIS0212 encoding which is not supported by
+             * the variant of "EUC-JP" encoding used on linux
+             */
+            if (strcmp(p, "EUC-JP") == 0) {
+                std_encoding = "EUC-JP-LINUX";
+            }
+#else
+            /* For Solaris use customized vendor defined character
+             * customized EUC-JP converter
+             */
+            if (strcmp(p,"eucJP") == 0) {
+                std_encoding = "eucJP-open";
+            }
+#endif
+#ifndef __linux__
+            /*
+             * Remap the encoding string to Big5_Solaris which augments
+             * the default converter for Solaris Big5 locales to include
+             * seven additional ideographic characters beyond those included
+             * in the Java "Big5" converter.
+             */
+            if (strcmp(p, "Big5") == 0) {
+                    std_encoding = "Big5_Solaris";
+            }
+#endif
+            sprops.encoding = std_encoding;
+            sprops.sun_jnu_encoding = sprops.encoding;
+        }
+    }
+
+#ifdef __linux__
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+    sprops.unicode_encoding = "UnicodeLittle";
+#else
+    sprops.unicode_encoding = "UnicodeBig";
+#endif
+#else
+    sprops.unicode_encoding = "UnicodeBig";
+#endif
+
+    /* user properties */
+    {
+        struct passwd *pwent = getpwuid(getuid());
+        sprops.user_name = pwent ? strdup(pwent->pw_name) : "?";
+        sprops.user_home = pwent ? strdup(pwent->pw_dir) : "?";
+    }
+
+    /* User TIMEZONE */
+    {
+        /*
+         * We defer setting up timezone until it's actually necessary.
+         * Refer to TimeZone.getDefault(). However, the system
+         * property is necessary to be able to be set by the command
+         * line interface -D. Here temporarily set a null string to
+         * timezone.
+         */
+        tzset();        /* for compatibility */
+        sprops.timezone = "";
+    }
+
+    /* Current directory */
+    {
+        char buf[MAXPATHLEN];
+        errno = 0;
+        if (getcwd(buf, sizeof(buf))  == NULL)
+            JNU_ThrowByName(env, "java/lang/Error",
+             "Properties init: Could not determine current working directory.");
+        else
+            sprops.user_dir = strdup(buf);
+    }
+
+    sprops.file_separator = "/";
+    sprops.path_separator = ":";
+    sprops.line_separator = "\n";
+
+    /* Append CDE message and resource search path to NLSPATH and
+     * XFILESEARCHPATH, in order to pick localized message for
+     * FileSelectionDialog window (Bug 4173641).
+     */
+    setPathEnvironment("NLSPATH=/usr/dt/lib/nls/msg/%L/%N.cat");
+    setPathEnvironment("XFILESEARCHPATH=/usr/dt/app-defaults/%L/Dt");
+
+    return &sprops;
+}