| /* |
| * Copyright (c) 1994, 2013, Oracle and/or its affiliates. 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include <string.h> |
| |
| #include "jni.h" |
| #include "jni_util.h" |
| #include "jvm.h" |
| #include "java_props.h" |
| |
| #include "java_lang_System.h" |
| |
| #define OBJ "Ljava/lang/Object;" |
| |
| /* Only register the performance-critical methods */ |
| static JNINativeMethod methods[] = { |
| {"currentTimeMillis", "()J", (void *)&JVM_CurrentTimeMillis}, |
| {"nanoTime", "()J", (void *)&JVM_NanoTime}, |
| {"arraycopy", "(" OBJ "I" OBJ "II)V", (void *)&JVM_ArrayCopy}, |
| }; |
| |
| #undef OBJ |
| |
| JNIEXPORT void JNICALL |
| Java_java_lang_System_registerNatives(JNIEnv *env, jclass cls) |
| { |
| (*env)->RegisterNatives(env, cls, |
| methods, sizeof(methods)/sizeof(methods[0])); |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_java_lang_System_identityHashCode(JNIEnv *env, jobject this, jobject x) |
| { |
| return JVM_IHashCode(env, x); |
| } |
| |
| #define PUTPROP(props, key, val) \ |
| if (1) { \ |
| jstring jkey = (*env)->NewStringUTF(env, key); \ |
| jstring jval = (*env)->NewStringUTF(env, val); \ |
| jobject r = (*env)->CallObjectMethod(env, props, putID, jkey, jval); \ |
| if ((*env)->ExceptionOccurred(env)) return NULL; \ |
| (*env)->DeleteLocalRef(env, jkey); \ |
| (*env)->DeleteLocalRef(env, jval); \ |
| (*env)->DeleteLocalRef(env, r); \ |
| } else ((void) 0) |
| |
| /* "key" is a char type string with only ASCII character in it. |
| "val" is a nchar (typedefed in java_props.h) type string */ |
| |
| #define PUTPROP_ForPlatformNString(props, key, val) \ |
| if (1) { \ |
| jstring jkey = (*env)->NewStringUTF(env, key); \ |
| jstring jval = GetStringPlatform(env, val); \ |
| jobject r = (*env)->CallObjectMethod(env, props, putID, jkey, jval); \ |
| if ((*env)->ExceptionOccurred(env)) return NULL; \ |
| (*env)->DeleteLocalRef(env, jkey); \ |
| (*env)->DeleteLocalRef(env, jval); \ |
| (*env)->DeleteLocalRef(env, r); \ |
| } else ((void) 0) |
| #define REMOVEPROP(props, key) \ |
| if (1) { \ |
| jstring jkey = JNU_NewStringPlatform(env, key); \ |
| jobject r = (*env)->CallObjectMethod(env, props, removeID, jkey); \ |
| if ((*env)->ExceptionOccurred(env)) return NULL; \ |
| (*env)->DeleteLocalRef(env, jkey); \ |
| (*env)->DeleteLocalRef(env, r); \ |
| } else ((void) 0) |
| #define GETPROP(props, key, jret) \ |
| if (1) { \ |
| jstring jkey = JNU_NewStringPlatform(env, key); \ |
| jret = (*env)->CallObjectMethod(env, props, getPropID, jkey); \ |
| if ((*env)->ExceptionOccurred(env)) return NULL; \ |
| (*env)->DeleteLocalRef(env, jkey); \ |
| } else ((void) 0) |
| |
| #ifndef VENDOR /* Third party may overwrite this. */ |
| #define VENDOR "Oracle Corporation" |
| #define VENDOR_URL "http://java.oracle.com/" |
| #define VENDOR_URL_BUG "http://bugreport.sun.com/bugreport/" |
| #endif |
| |
| #define JAVA_MAX_SUPPORTED_VERSION 52 |
| #define JAVA_MAX_SUPPORTED_MINOR_VERSION 0 |
| |
| #ifdef JAVA_SPECIFICATION_VENDOR /* Third party may NOT overwrite this. */ |
| #error "ERROR: No override of JAVA_SPECIFICATION_VENDOR is allowed" |
| #else |
| #define JAVA_SPECIFICATION_VENDOR "Oracle Corporation" |
| #endif |
| |
| static int fmtdefault; // boolean value |
| jobject fillI18nProps(JNIEnv *env, jobject props, char *baseKey, |
| char *platformDispVal, char *platformFmtVal, |
| jmethodID putID, jmethodID getPropID) { |
| jstring jVMBaseVal = NULL; |
| |
| GETPROP(props, baseKey, jVMBaseVal); |
| if (jVMBaseVal) { |
| // user specified the base property. there's nothing to do here. |
| (*env)->DeleteLocalRef(env, jVMBaseVal); |
| } else { |
| char buf[64]; |
| jstring jVMVal = NULL; |
| const char *baseVal = ""; |
| |
| /* user.xxx base property */ |
| if (fmtdefault) { |
| if (platformFmtVal) { |
| PUTPROP(props, baseKey, platformFmtVal); |
| baseVal = platformFmtVal; |
| } |
| } else { |
| if (platformDispVal) { |
| PUTPROP(props, baseKey, platformDispVal); |
| baseVal = platformDispVal; |
| } |
| } |
| |
| /* user.xxx.display property */ |
| jio_snprintf(buf, sizeof(buf), "%s.display", baseKey); |
| GETPROP(props, buf, jVMVal); |
| if (jVMVal == NULL) { |
| if (platformDispVal && (strcmp(baseVal, platformDispVal) != 0)) { |
| PUTPROP(props, buf, platformDispVal); |
| } |
| } else { |
| (*env)->DeleteLocalRef(env, jVMVal); |
| } |
| |
| /* user.xxx.format property */ |
| jio_snprintf(buf, sizeof(buf), "%s.format", baseKey); |
| GETPROP(props, buf, jVMVal); |
| if (jVMVal == NULL) { |
| if (platformFmtVal && (strcmp(baseVal, platformFmtVal) != 0)) { |
| PUTPROP(props, buf, platformFmtVal); |
| } |
| } else { |
| (*env)->DeleteLocalRef(env, jVMVal); |
| } |
| } |
| |
| return NULL; |
| } |
| |
| JNIEXPORT jobject JNICALL |
| Java_java_lang_System_initProperties(JNIEnv *env, jclass cla, jobject props) |
| { |
| char buf[128]; |
| java_props_t *sprops = GetJavaProperties(env); |
| jmethodID putID = (*env)->GetMethodID(env, |
| (*env)->GetObjectClass(env, props), |
| "put", |
| "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;"); |
| jmethodID removeID = (*env)->GetMethodID(env, |
| (*env)->GetObjectClass(env, props), |
| "remove", |
| "(Ljava/lang/Object;)Ljava/lang/Object;"); |
| jmethodID getPropID = (*env)->GetMethodID(env, |
| (*env)->GetObjectClass(env, props), |
| "getProperty", |
| "(Ljava/lang/String;)Ljava/lang/String;"); |
| jobject ret = NULL; |
| jstring jVMVal = NULL; |
| |
| if (sprops == NULL || putID == NULL ) return NULL; |
| |
| PUTPROP(props, "java.specification.version", |
| JDK_MAJOR_VERSION "." JDK_MINOR_VERSION); |
| PUTPROP(props, "java.specification.name", |
| "Java Platform API Specification"); |
| PUTPROP(props, "java.specification.vendor", |
| JAVA_SPECIFICATION_VENDOR); |
| |
| PUTPROP(props, "java.version", RELEASE); |
| PUTPROP(props, "java.vendor", VENDOR); |
| PUTPROP(props, "java.vendor.url", VENDOR_URL); |
| PUTPROP(props, "java.vendor.url.bug", VENDOR_URL_BUG); |
| |
| jio_snprintf(buf, sizeof(buf), "%d.%d", JAVA_MAX_SUPPORTED_VERSION, |
| JAVA_MAX_SUPPORTED_MINOR_VERSION); |
| PUTPROP(props, "java.class.version", buf); |
| |
| if (sprops->awt_toolkit) { |
| PUTPROP(props, "awt.toolkit", sprops->awt_toolkit); |
| } |
| #ifdef MACOSX |
| if (sprops->awt_headless) { |
| PUTPROP(props, "java.awt.headless", sprops->awt_headless); |
| } |
| #endif |
| |
| /* os properties */ |
| PUTPROP(props, "os.name", sprops->os_name); |
| PUTPROP(props, "os.version", sprops->os_version); |
| PUTPROP(props, "os.arch", sprops->os_arch); |
| |
| #ifdef JDK_ARCH_ABI_PROP_NAME |
| PUTPROP(props, "sun.arch.abi", sprops->sun_arch_abi); |
| #endif |
| |
| /* file system properties */ |
| PUTPROP(props, "file.separator", sprops->file_separator); |
| PUTPROP(props, "path.separator", sprops->path_separator); |
| PUTPROP(props, "line.separator", sprops->line_separator); |
| |
| /* |
| * user.language |
| * user.script, user.country, user.variant (if user's environment specifies them) |
| * file.encoding |
| * file.encoding.pkg |
| */ |
| PUTPROP(props, "user.language", sprops->language); |
| if (sprops->script) { |
| PUTPROP(props, "user.script", sprops->script); |
| } |
| if (sprops->country) { |
| PUTPROP(props, "user.country", sprops->country); |
| } |
| if (sprops->variant) { |
| PUTPROP(props, "user.variant", sprops->variant); |
| } |
| PUTPROP(props, "file.encoding", sprops->encoding); |
| PUTPROP(props, "sun.jnu.encoding", sprops->sun_jnu_encoding); |
| if (sprops->sun_stdout_encoding != NULL) { |
| PUTPROP(props, "sun.stdout.encoding", sprops->sun_stdout_encoding); |
| } |
| if (sprops->sun_stderr_encoding != NULL) { |
| PUTPROP(props, "sun.stderr.encoding", sprops->sun_stderr_encoding); |
| } |
| PUTPROP(props, "file.encoding.pkg", "sun.io"); |
| |
| /* unicode_encoding specifies the default endianness */ |
| PUTPROP(props, "sun.io.unicode.encoding", sprops->unicode_encoding); |
| PUTPROP(props, "sun.cpu.isalist", |
| (sprops->cpu_isalist ? sprops->cpu_isalist : "")); |
| PUTPROP(props, "sun.cpu.endian", sprops->cpu_endian); |
| |
| |
| #ifdef MACOSX |
| /* Proxy setting properties */ |
| if (sprops->httpProxyEnabled) { |
| PUTPROP(props, "http.proxyHost", sprops->httpHost); |
| PUTPROP(props, "http.proxyPort", sprops->httpPort); |
| } |
| |
| if (sprops->httpsProxyEnabled) { |
| PUTPROP(props, "https.proxyHost", sprops->httpsHost); |
| PUTPROP(props, "https.proxyPort", sprops->httpsPort); |
| } |
| |
| if (sprops->ftpProxyEnabled) { |
| PUTPROP(props, "ftp.proxyHost", sprops->ftpHost); |
| PUTPROP(props, "ftp.proxyPort", sprops->ftpPort); |
| } |
| |
| if (sprops->socksProxyEnabled) { |
| PUTPROP(props, "socksProxyHost", sprops->socksHost); |
| PUTPROP(props, "socksProxyPort", sprops->socksPort); |
| } |
| |
| if (sprops->gopherProxyEnabled) { |
| // The gopher client is different in that it expects an 'is this set?' flag that the others don't. |
| PUTPROP(props, "gopherProxySet", "true"); |
| PUTPROP(props, "gopherProxyHost", sprops->gopherHost); |
| PUTPROP(props, "gopherProxyPort", sprops->gopherPort); |
| } else { |
| PUTPROP(props, "gopherProxySet", "false"); |
| } |
| |
| // Mac OS X only has a single proxy exception list which applies |
| // to all protocols |
| if (sprops->exceptionList) { |
| PUTPROP(props, "http.nonProxyHosts", sprops->exceptionList); |
| // HTTPS: implementation in jsse.jar uses http.nonProxyHosts |
| PUTPROP(props, "ftp.nonProxyHosts", sprops->exceptionList); |
| PUTPROP(props, "socksNonProxyHosts", sprops->exceptionList); |
| } |
| #endif |
| |
| /* !!! DO NOT call PUTPROP_ForPlatformNString before this line !!! |
| * !!! I18n properties have not been set up yet !!! |
| */ |
| |
| /* Printing properties */ |
| /* Note: java.awt.printerjob is an implementation private property which |
| * just happens to have a java.* name because it is referenced in |
| * a java.awt class. It is the mechanism by which the implementation |
| * finds the appropriate class in the JRE for the platform. |
| * It is explicitly not designed to be overridden by clients as |
| * a way of replacing the implementation class, and in any case |
| * the mechanism by which the class is loaded is constrained to only |
| * find and load classes that are part of the JRE. |
| * This property may be removed if that mechanism is redesigned |
| */ |
| PUTPROP(props, "java.awt.printerjob", sprops->printerJob); |
| |
| /* data model */ |
| if (sizeof(sprops) == 4) { |
| sprops->data_model = "32"; |
| } else if (sizeof(sprops) == 8) { |
| sprops->data_model = "64"; |
| } else { |
| sprops->data_model = "unknown"; |
| } |
| PUTPROP(props, "sun.arch.data.model", \ |
| sprops->data_model); |
| |
| /* patch level */ |
| PUTPROP(props, "sun.os.patch.level", \ |
| sprops->patch_level); |
| |
| /* Java2D properties */ |
| /* Note: java.awt.graphicsenv is an implementation private property which |
| * just happens to have a java.* name because it is referenced in |
| * a java.awt class. It is the mechanism by which the implementation |
| * finds the appropriate class in the JRE for the platform. |
| * It is explicitly not designed to be overridden by clients as |
| * a way of replacing the implementation class, and in any case |
| * the mechanism by which the class is loaded is constrained to only |
| * find and load classes that are part of the JRE. |
| * This property may be removed if that mechanism is redesigned |
| */ |
| PUTPROP(props, "java.awt.graphicsenv", sprops->graphics_env); |
| if (sprops->font_dir != NULL) { |
| PUTPROP_ForPlatformNString(props, |
| "sun.java2d.fontpath", sprops->font_dir); |
| } |
| |
| PUTPROP_ForPlatformNString(props, "java.io.tmpdir", sprops->tmp_dir); |
| |
| PUTPROP_ForPlatformNString(props, "user.name", sprops->user_name); |
| PUTPROP_ForPlatformNString(props, "user.home", sprops->user_home); |
| |
| PUTPROP(props, "user.timezone", sprops->timezone); |
| |
| PUTPROP_ForPlatformNString(props, "user.dir", sprops->user_dir); |
| |
| /* This is a sun. property as it is currently only set for Gnome and |
| * Windows desktops. |
| */ |
| if (sprops->desktop != NULL) { |
| PUTPROP(props, "sun.desktop", sprops->desktop); |
| } |
| |
| /* |
| * unset "user.language", "user.script", "user.country", and "user.variant" |
| * in order to tell whether the command line option "-DXXXX=YYYY" is |
| * specified or not. They will be reset in fillI18nProps() below. |
| */ |
| REMOVEPROP(props, "user.language"); |
| REMOVEPROP(props, "user.script"); |
| REMOVEPROP(props, "user.country"); |
| REMOVEPROP(props, "user.variant"); |
| REMOVEPROP(props, "file.encoding"); |
| |
| ret = JVM_InitProperties(env, props); |
| |
| /* Check the compatibility flag */ |
| GETPROP(props, "sun.locale.formatasdefault", jVMVal); |
| if (jVMVal) { |
| const char * val = (*env)->GetStringUTFChars(env, jVMVal, 0); |
| fmtdefault = !strcmp(val, "true"); |
| (*env)->ReleaseStringUTFChars(env, jVMVal, val); |
| (*env)->DeleteLocalRef(env, jVMVal); |
| } |
| |
| /* reconstruct i18n related properties */ |
| fillI18nProps(env, props, "user.language", sprops->display_language, |
| sprops->format_language, putID, getPropID); |
| fillI18nProps(env, props, "user.script", |
| sprops->display_script, sprops->format_script, putID, getPropID); |
| fillI18nProps(env, props, "user.country", |
| sprops->display_country, sprops->format_country, putID, getPropID); |
| fillI18nProps(env, props, "user.variant", |
| sprops->display_variant, sprops->format_variant, putID, getPropID); |
| GETPROP(props, "file.encoding", jVMVal); |
| if (jVMVal == NULL) { |
| #ifdef MACOSX |
| /* |
| * Since sun_jnu_encoding is now hard-coded to UTF-8 on Mac, we don't |
| * want to use it to overwrite file.encoding |
| */ |
| PUTPROP(props, "file.encoding", sprops->encoding); |
| #else |
| if (fmtdefault) { |
| PUTPROP(props, "file.encoding", sprops->encoding); |
| } else { |
| PUTPROP(props, "file.encoding", sprops->sun_jnu_encoding); |
| } |
| #endif |
| } else { |
| (*env)->DeleteLocalRef(env, jVMVal); |
| } |
| |
| return ret; |
| } |
| |
| /* |
| * The following three functions implement setter methods for |
| * java.lang.System.{in, out, err}. They are natively implemented |
| * because they violate the semantics of the language (i.e. set final |
| * variable). |
| */ |
| JNIEXPORT void JNICALL |
| Java_java_lang_System_setIn0(JNIEnv *env, jclass cla, jobject stream) |
| { |
| jfieldID fid = |
| (*env)->GetStaticFieldID(env,cla,"in","Ljava/io/InputStream;"); |
| if (fid == 0) |
| return; |
| (*env)->SetStaticObjectField(env,cla,fid,stream); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_java_lang_System_setOut0(JNIEnv *env, jclass cla, jobject stream) |
| { |
| jfieldID fid = |
| (*env)->GetStaticFieldID(env,cla,"out","Ljava/io/PrintStream;"); |
| if (fid == 0) |
| return; |
| (*env)->SetStaticObjectField(env,cla,fid,stream); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_java_lang_System_setErr0(JNIEnv *env, jclass cla, jobject stream) |
| { |
| jfieldID fid = |
| (*env)->GetStaticFieldID(env,cla,"err","Ljava/io/PrintStream;"); |
| if (fid == 0) |
| return; |
| (*env)->SetStaticObjectField(env,cla,fid,stream); |
| } |
| |
| static void cpchars(jchar *dst, char *src, int n) |
| { |
| int i; |
| for (i = 0; i < n; i++) { |
| dst[i] = src[i]; |
| } |
| } |
| |
| JNIEXPORT jstring JNICALL |
| Java_java_lang_System_mapLibraryName(JNIEnv *env, jclass ign, jstring libname) |
| { |
| int len; |
| int prefix_len = (int) strlen(JNI_LIB_PREFIX); |
| int suffix_len = (int) strlen(JNI_LIB_SUFFIX); |
| |
| jchar chars[256]; |
| if (libname == NULL) { |
| JNU_ThrowNullPointerException(env, 0); |
| return NULL; |
| } |
| len = (*env)->GetStringLength(env, libname); |
| if (len > 240) { |
| JNU_ThrowIllegalArgumentException(env, "name too long"); |
| return NULL; |
| } |
| cpchars(chars, JNI_LIB_PREFIX, prefix_len); |
| (*env)->GetStringRegion(env, libname, 0, len, chars + prefix_len); |
| len += prefix_len; |
| cpchars(chars + len, JNI_LIB_SUFFIX, suffix_len); |
| len += suffix_len; |
| |
| return (*env)->NewString(env, chars, len); |
| } |
