author | xdono |
Wed, 02 Jul 2008 12:55:45 -0700 | |
changeset 715 | f16baef3a20e |
parent 689 | 10d8df51c03a |
child 5168 | 41e46b5d9b15 |
permissions | -rw-r--r-- |
2 | 1 |
/* |
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* Copyright 1994-2008 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Sun designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Sun in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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*/ |
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#include <string.h> |
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#include "jni.h" |
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#include "jni_util.h" |
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#include "jvm.h" |
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#include "java_props.h" |
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#include "java_lang_System.h" |
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#define OBJ "Ljava/lang/Object;" |
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/* Only register the performance-critical methods */ |
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static JNINativeMethod methods[] = { |
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{"currentTimeMillis", "()J", (void *)&JVM_CurrentTimeMillis}, |
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{"nanoTime", "()J", (void *)&JVM_NanoTime}, |
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{"arraycopy", "(" OBJ "I" OBJ "II)V", (void *)&JVM_ArrayCopy}, |
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}; |
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#undef OBJ |
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JNIEXPORT void JNICALL |
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Java_java_lang_System_registerNatives(JNIEnv *env, jclass cls) |
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{ |
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(*env)->RegisterNatives(env, cls, |
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methods, sizeof(methods)/sizeof(methods[0])); |
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} |
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JNIEXPORT jint JNICALL |
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Java_java_lang_System_identityHashCode(JNIEnv *env, jobject this, jobject x) |
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{ |
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return JVM_IHashCode(env, x); |
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} |
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#define PUTPROP(props, key, val) \ |
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if (1) { \ |
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jstring jkey = (*env)->NewStringUTF(env, key); \ |
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jstring jval = (*env)->NewStringUTF(env, val); \ |
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jobject r = (*env)->CallObjectMethod(env, props, putID, jkey, jval); \ |
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if ((*env)->ExceptionOccurred(env)) return NULL; \ |
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(*env)->DeleteLocalRef(env, jkey); \ |
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(*env)->DeleteLocalRef(env, jval); \ |
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(*env)->DeleteLocalRef(env, r); \ |
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} else ((void) 0) |
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#define PUTPROP_ForPlatformCString(props, key, val) \ |
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if (1) { \ |
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jstring jkey = JNU_NewStringPlatform(env, key); \ |
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jstring jval = JNU_NewStringPlatform(env, val); \ |
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jobject r = (*env)->CallObjectMethod(env, props, putID, jkey, jval); \ |
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if ((*env)->ExceptionOccurred(env)) return NULL; \ |
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(*env)->DeleteLocalRef(env, jkey); \ |
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(*env)->DeleteLocalRef(env, jval); \ |
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(*env)->DeleteLocalRef(env, r); \ |
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} else ((void) 0) |
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#ifndef VENDOR /* Third party may overwrite this. */ |
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#define VENDOR "Sun Microsystems Inc." |
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#define VENDOR_URL "http://java.sun.com/" |
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#define VENDOR_URL_BUG "http://java.sun.com/cgi-bin/bugreport.cgi" |
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#endif |
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||
689
10d8df51c03a
6706299: System property java.class.version should be 51 for jdk7
sherman
parents:
2
diff
changeset
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#define JAVA_MAX_SUPPORTED_VERSION 51 |
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#define JAVA_MAX_SUPPORTED_MINOR_VERSION 0 |
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JNIEXPORT jobject JNICALL |
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Java_java_lang_System_initProperties(JNIEnv *env, jclass cla, jobject props) |
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{ |
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char buf[128]; |
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java_props_t *sprops = GetJavaProperties(env); |
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jmethodID putID = (*env)->GetMethodID(env, |
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(*env)->GetObjectClass(env, props), |
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"put", |
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"(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;"); |
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if (sprops == NULL || putID == NULL ) return NULL; |
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PUTPROP(props, "java.specification.version", |
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JDK_MAJOR_VERSION "." JDK_MINOR_VERSION); |
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PUTPROP(props, "java.specification.name", |
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"Java Platform API Specification"); |
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PUTPROP(props, "java.specification.vendor", "Sun Microsystems Inc."); |
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PUTPROP(props, "java.version", RELEASE); |
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PUTPROP(props, "java.vendor", VENDOR); |
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PUTPROP(props, "java.vendor.url", VENDOR_URL); |
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PUTPROP(props, "java.vendor.url.bug", VENDOR_URL_BUG); |
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jio_snprintf(buf, sizeof(buf), "%d.%d", JAVA_MAX_SUPPORTED_VERSION, |
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JAVA_MAX_SUPPORTED_MINOR_VERSION); |
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PUTPROP(props, "java.class.version", buf); |
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if (sprops->awt_toolkit) { |
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PUTPROP(props, "awt.toolkit", sprops->awt_toolkit); |
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} |
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/* os properties */ |
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PUTPROP(props, "os.name", sprops->os_name); |
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PUTPROP(props, "os.version", sprops->os_version); |
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PUTPROP(props, "os.arch", sprops->os_arch); |
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/* file system properties */ |
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PUTPROP(props, "file.separator", sprops->file_separator); |
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PUTPROP(props, "path.separator", sprops->path_separator); |
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PUTPROP(props, "line.separator", sprops->line_separator); |
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/* |
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* user.language |
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* user.country, user.variant (if user's environment specifies them) |
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* file.encoding |
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* file.encoding.pkg |
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*/ |
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PUTPROP(props, "user.language", sprops->language); |
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if (sprops->country) { |
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PUTPROP(props, "user.country", sprops->country); |
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} |
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if (sprops->variant) { |
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PUTPROP(props, "user.variant", sprops->variant); |
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} |
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PUTPROP(props, "file.encoding", sprops->encoding); |
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PUTPROP(props, "sun.jnu.encoding", sprops->sun_jnu_encoding); |
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PUTPROP(props, "file.encoding.pkg", "sun.io"); |
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/* unicode_encoding specifies the default endianness */ |
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PUTPROP(props, "sun.io.unicode.encoding", sprops->unicode_encoding); |
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PUTPROP(props, "sun.cpu.isalist", |
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(sprops->cpu_isalist ? sprops->cpu_isalist : "")); |
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PUTPROP(props, "sun.cpu.endian", sprops->cpu_endian); |
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/* !!! DO NOT call PUTPROP_ForPlatformCString before this line !!! |
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* !!! I18n properties have not been set up yet !!! |
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*/ |
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/* Printing properties */ |
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/* Note: java.awt.printerjob is an implementation private property which |
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* just happens to have a java.* name because it is referenced in |
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* a java.awt class. It is the mechanism by which the Sun implementation |
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* finds the appropriate class in the JRE for the platform. |
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* It is explicitly not designed to be overridden by clients as |
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* a way of replacing the implementation class, and in any case |
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* the mechanism by which the class is loaded is constrained to only |
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* find and load classes that are part of the JRE. |
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* This property may be removed if that mechanism is redesigned |
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*/ |
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PUTPROP(props, "java.awt.printerjob", sprops->printerJob); |
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/* data model */ |
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if (sizeof(sprops) == 4) { |
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sprops->data_model = "32"; |
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} else if (sizeof(sprops) == 8) { |
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sprops->data_model = "64"; |
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} else { |
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sprops->data_model = "unknown"; |
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} |
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PUTPROP(props, "sun.arch.data.model", \ |
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sprops->data_model); |
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/* patch level */ |
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PUTPROP(props, "sun.os.patch.level", \ |
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sprops->patch_level); |
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/* Java2D properties */ |
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/* Note: java.awt.graphicsenv is an implementation private property which |
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* just happens to have a java.* name because it is referenced in |
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* a java.awt class. It is the mechanism by which the Sun implementation |
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* finds the appropriate class in the JRE for the platform. |
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* It is explicitly not designed to be overridden by clients as |
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* a way of replacing the implementation class, and in any case |
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* the mechanism by which the class is loaded is constrained to only |
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* find and load classes that are part of the JRE. |
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* This property may be removed if that mechanism is redesigned |
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*/ |
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PUTPROP(props, "java.awt.graphicsenv", sprops->graphics_env); |
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if (sprops->font_dir != NULL) { |
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PUTPROP_ForPlatformCString(props, |
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"sun.java2d.fontpath", sprops->font_dir); |
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} |
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PUTPROP_ForPlatformCString(props, "java.io.tmpdir", sprops->tmp_dir); |
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PUTPROP_ForPlatformCString(props, "user.name", sprops->user_name); |
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PUTPROP_ForPlatformCString(props, "user.home", sprops->user_home); |
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PUTPROP(props, "user.timezone", sprops->timezone); |
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PUTPROP_ForPlatformCString(props, "user.dir", sprops->user_dir); |
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/* This is a sun. property as it is currently only set for Gnome and |
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* Windows desktops. |
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*/ |
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if (sprops->desktop != NULL) { |
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PUTPROP(props, "sun.desktop", sprops->desktop); |
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} |
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return JVM_InitProperties(env, props); |
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} |
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/* |
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* The following three functions implement setter methods for |
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* java.lang.System.{in, out, err}. They are natively implemented |
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* because they violate the semantics of the language (i.e. set final |
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* variable). |
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*/ |
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JNIEXPORT void JNICALL |
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Java_java_lang_System_setIn0(JNIEnv *env, jclass cla, jobject stream) |
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{ |
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jfieldID fid = |
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(*env)->GetStaticFieldID(env,cla,"in","Ljava/io/InputStream;"); |
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if (fid == 0) |
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return; |
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(*env)->SetStaticObjectField(env,cla,fid,stream); |
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} |
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JNIEXPORT void JNICALL |
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Java_java_lang_System_setOut0(JNIEnv *env, jclass cla, jobject stream) |
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{ |
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jfieldID fid = |
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(*env)->GetStaticFieldID(env,cla,"out","Ljava/io/PrintStream;"); |
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if (fid == 0) |
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return; |
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(*env)->SetStaticObjectField(env,cla,fid,stream); |
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} |
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JNIEXPORT void JNICALL |
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Java_java_lang_System_setErr0(JNIEnv *env, jclass cla, jobject stream) |
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{ |
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jfieldID fid = |
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(*env)->GetStaticFieldID(env,cla,"err","Ljava/io/PrintStream;"); |
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if (fid == 0) |
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return; |
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(*env)->SetStaticObjectField(env,cla,fid,stream); |
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} |
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static void cpchars(jchar *dst, char *src, int n) |
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{ |
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int i; |
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for (i = 0; i < n; i++) { |
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dst[i] = src[i]; |
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} |
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} |
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JNIEXPORT jstring JNICALL |
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Java_java_lang_System_mapLibraryName(JNIEnv *env, jclass ign, jstring libname) |
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{ |
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int len; |
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int prefix_len = (int) strlen(JNI_LIB_PREFIX); |
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int suffix_len = (int) strlen(JNI_LIB_SUFFIX); |
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jchar chars[256]; |
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if (libname == NULL) { |
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JNU_ThrowNullPointerException(env, 0); |
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return NULL; |
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} |
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len = (*env)->GetStringLength(env, libname); |
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if (len > 240) { |
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JNU_ThrowIllegalArgumentException(env, "name too long"); |
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return NULL; |
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} |
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cpchars(chars, JNI_LIB_PREFIX, prefix_len); |
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(*env)->GetStringRegion(env, libname, 0, len, chars + prefix_len); |
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len += prefix_len; |
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cpchars(chars + len, JNI_LIB_SUFFIX, suffix_len); |
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len += suffix_len; |
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return (*env)->NewString(env, chars, len); |
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} |