diff options
Diffstat (limited to 'ext/rpc/java/java.c')
-rw-r--r-- | ext/rpc/java/java.c | 518 |
1 files changed, 518 insertions, 0 deletions
diff --git a/ext/rpc/java/java.c b/ext/rpc/java/java.c new file mode 100644 index 0000000000..2c2aee1a9a --- /dev/null +++ b/ext/rpc/java/java.c @@ -0,0 +1,518 @@ +/* + +----------------------------------------------------------------------+ + | PHP version 4.0 | + +----------------------------------------------------------------------+ + | Copyright (c) 1997, 1998, 1999 The PHP Group | + +----------------------------------------------------------------------+ + | This source file is subject to version 2.0 of the PHP license, | + | that is bundled with this package in the file LICENSE, and is | + | available at through the world-wide-web at | + | http://www.php.net/license.html. | + | If you did not receive a copy of the PHP license and are unable to | + | obtain it through the world-wide-web, please send a note to | + | license@php.net so we can mail you a copy immediately. | + +----------------------------------------------------------------------+ + | Author: Sam Ruby (rubys@us.ibm.com) | + +----------------------------------------------------------------------+ + */ + +/* + * This module implements Zend OO syntax overloading support for Java + * components using JNI and reflection. + */ + +#include "dl/phpdl.h" + +#include "php.h" +#include "zend_compile.h" +#include "php_ini.h" +#include "php_globals.h" + +#include <jni.h> + +#include <stdio.h> + +#define IS_EXCEPTION 86 + +/***************************************************************************/ + +#ifndef KAFFE +#ifndef JNI_11 +#ifndef JNI_12 + +#ifdef JNI_VERSION_1_2 +#define JNI_12 +#else +#define JNI_11 +#endif + +#endif +#endif +#endif + +#if WIN32|WINNT +#ifdef JNI_12 +#pragma comment(lib,"jvm.lib") +#else +#pragma comment(lib,"javai.lib") +#endif +#else +static void *javadl = 0; +#endif + +/***************************************************************************/ + +static int le_jobject = 0; + +static char *javalib = 0; +static char *classpath = 0; +static char *libpath = 0; +static char *javahome = 0; + +static int iniUpdated = 0; + +static JavaVM *jvm = 0; +static JNIEnv *jenv = 0; +static jclass php_reflect; + +static zend_class_entry java_class_entry; + +static PHP_INI_MH(OnIniUpdate) { + if (new_value) *(char**)mh_arg1 = new_value; + iniUpdated=1; + return SUCCESS; +} + +PHP_INI_BEGIN() + PHP_INI_ENTRY1("java.class.path", + NULL, PHP_INI_ALL, OnIniUpdate, &classpath) + PHP_INI_ENTRY1("java.home", + NULL, PHP_INI_ALL, OnIniUpdate, &javahome) + PHP_INI_ENTRY1("java.library", + NULL, PHP_INI_ALL, OnIniUpdate, &javalib) + PHP_INI_ENTRY1("java.library.path", + NULL, PHP_INI_ALL, OnIniUpdate, &libpath) +PHP_INI_END() + +/***************************************************************************/ + +/* + * Destroy a Java Virtual Machine. + */ +void jvm_destroy() { + if (php_reflect) (*jenv)->DeleteGlobalRef(jenv, php_reflect); + if (jvm) (*jvm)->DestroyJavaVM(jvm); +#if !(WIN32||WINNT) + if (javadl) dlclose(javadl); +#endif + php_reflect = 0; + jvm = 0; + jenv = 0; +} + +/* + * Create a Java Virtual Machine. + * - class.path, home, and library.path are read out of the INI file + * - appropriate (pre 1.1, JDK 1.1, and JDK 1.2) initialization is performed + * - net.php.reflect class file is located + */ + +#ifdef JNI_12 +static void addJVMOption(JavaVMInitArgs *vm_args, char *name, char *value) { + char *option = (char*) malloc(strlen(name) + strlen(value) + 1); + strcpy(option, name); + strcat(option, value); + vm_args->options[vm_args->nOptions++].optionString = option; +} +#endif + +static int jvm_create() { + + int rc; + jclass local_php_reflect; + jthrowable error; + +#ifdef JNI_11 + JDK1_1InitArgs vm_args; +#else + JavaVMInitArgs vm_args; +#ifdef JNI_12 + JavaVMOption options[3]; +#endif +#endif + + iniUpdated=0; + + if (!classpath) classpath = getenv("CLASSPATH"); + +#if !(WIN32||WINNT) + if (!libpath) libpath = getenv("LD_LIBRARY_PATH"); + if (javalib) { + javadl = dlopen(javalib, RTLD_GLOBAL | RTLD_LAZY); + if (!javadl) { + php_error(E_ERROR, "Unable to create Java Virtual Machine"); + return -1; + } + } +#endif + +#ifdef JNI_12 + + vm_args.version = JNI_VERSION_1_2; + vm_args.ignoreUnrecognized = FALSE; + vm_args.options = options; + vm_args.nOptions = 0; + + if (classpath) addJVMOption(&vm_args, "-Djava.class.path=", classpath); + if (javahome) addJVMOption(&vm_args, "-Djava.home=", javahome); + if (libpath) addJVMOption(&vm_args, "-Djava.library.path=", libpath); + + rc = JNI_CreateJavaVM(&jvm, (void**)&jenv, &vm_args); + +#else + + vm_args.version=0x00010001; + JNI_GetDefaultJavaVMInitArgs(&vm_args); + + if (!classpath) classpath = ""; + vm_args.classpath = classpath; +#ifdef KAFFE + vm_args.classhome = javahome; + vm_args.libraryhome = libpath; +#endif + rc = JNI_CreateJavaVM(&jvm, &jenv, &vm_args); + +#endif + + if (rc) { + php_error(E_ERROR, "Unable to create Java Virtual Machine"); + return rc; + } + + local_php_reflect = (*jenv)->FindClass(jenv, "net/php/reflect"); + error = (*jenv)->ExceptionOccurred(jenv); + if (error) { + jclass errClass = (*jenv)->GetObjectClass(jenv, error); + jmethodID toString = (*jenv)->GetMethodID(jenv, errClass, "toString", + "()Ljava/lang/String;"); + jobject errString = (*jenv)->CallObjectMethod(jenv, error, toString); + const char *errAsUTF = (*jenv)->GetStringUTFChars(jenv, errString, 0); + php_error(E_ERROR, "%s", errAsUTF); + (*jenv)->ReleaseStringUTFChars(jenv, error, errAsUTF); + (*jenv)->ExceptionClear(jenv); + jvm_destroy(); + return -1; + } + + php_reflect = (*jenv)->NewGlobalRef(jenv, local_php_reflect); + return rc; +} + +/***************************************************************************/ + +static jobjectArray _java_makeArray(int argc, pval** argv) { + jclass objectClass = (*jenv)->FindClass(jenv, "java/lang/Object"); + jobjectArray result = (*jenv)->NewObjectArray(jenv, argc, objectClass, 0); + jobject arg; + jmethodID makeArg; + int i; + pval **handle; + int type; + + for (i=0; i<argc; i++) { + switch (argv[i]->type) { + case IS_STRING: + arg=(*jenv)->NewStringUTF(jenv,argv[i]->value.str.val); + break; + + case IS_OBJECT: + zend_hash_index_find(argv[i]->value.obj.properties, 0, (void*)&handle); + arg = php3_list_find((*handle)->value.lval, &type); + break; + + case IS_BOOL: + makeArg = (*jenv)->GetStaticMethodID(jenv, php_reflect, "MakeArg", + "(Z)Ljava/lang/Object;"); + arg = (*jenv)->CallStaticObjectMethod(jenv, php_reflect, makeArg, + (jboolean)(argv[i]->value.lval)); + break; + + case IS_LONG: + makeArg = (*jenv)->GetStaticMethodID(jenv, php_reflect, "MakeArg", + "(J)Ljava/lang/Object;"); + arg = (*jenv)->CallStaticObjectMethod(jenv, php_reflect, makeArg, + (jlong)(argv[i]->value.lval)); + break; + + case IS_DOUBLE: + makeArg = (*jenv)->GetStaticMethodID(jenv, php_reflect, "MakeArg", + "(D)Ljava/lang/Object;"); + arg = (*jenv)->CallStaticObjectMethod(jenv, php_reflect, makeArg, + (jdouble)(argv[i]->value.dval)); + break; + + default: + arg=0; + } + (*jenv)->SetObjectArrayElement(jenv, result, i, arg); + if (argv[i]->type != IS_OBJECT) + (*jenv)->DeleteLocalRef(jenv, arg); + } + return result; +} + +static int checkError(pval *value) { + if (value->type == IS_EXCEPTION) { + php_error(E_WARNING, "%s", value->value.str.val); + efree(value->value.str.val); + var_reset(value); + return 1; + }; + return 0; +} + +/***************************************************************************/ + +/* + * Invoke a method on an object. If method name is "java", create a new + * object instead. + */ +void java_call_function_handler + (INTERNAL_FUNCTION_PARAMETERS, zend_property_reference *property_reference) +{ + pval *object = property_reference->object; + zend_overloaded_element *function_name = (zend_overloaded_element *) + property_reference->elements_list.tail->data; + + int arg_count = ARG_COUNT(ht); + jlong result = 0; + + pval **arguments = (pval **) emalloc(sizeof(pval *)*arg_count); + getParametersArray(ht, arg_count, arguments); + + if (iniUpdated && jvm) jvm_destroy(); + if (!jvm) jvm_create(); + if (!jvm) return; + + if (!strcmp("java",function_name->element.value.str.val)) { + + /* construct a Java object: + First argument is the class name. Any additional arguments will + be treated as constructor parameters. */ + + jmethodID co = (*jenv)->GetStaticMethodID(jenv, php_reflect, "CreateObject", + "(Ljava/lang/String;[Ljava/lang/Object;J)V"); + jstring className=(*jenv)->NewStringUTF(jenv, arguments[0]->value.str.val); + (pval*)(long)result = object; + + (*jenv)->CallStaticVoidMethod(jenv, php_reflect, co, + className, _java_makeArray(arg_count-1, arguments+1), result); + + (*jenv)->DeleteLocalRef(jenv, className); + + } else { + + pval **handle; + int type; + jobject obj; + jstring method; + + /* invoke a method on the given object */ + + jmethodID invoke = (*jenv)->GetStaticMethodID(jenv, php_reflect, "Invoke", + "(Ljava/lang/Object;Ljava/lang/String;[Ljava/lang/Object;J)V"); + zend_hash_index_find(object->value.obj.properties, 0, (void**) &handle); + obj = php3_list_find((*handle)->value.lval, &type); + method = (*jenv)->NewStringUTF(jenv, function_name->element.value.str.val); + (pval*)(long)result = return_value; + + (*jenv)->CallStaticVoidMethod(jenv, php_reflect, invoke, + obj, method, _java_makeArray(arg_count, arguments), result); + + (*jenv)->DeleteLocalRef(jenv, method); + + } + + efree(arguments); + pval_destructor(&function_name->element); + + checkError((pval*)(long)result); +} + +/***************************************************************************/ + +static pval _java_getset_property + (zend_property_reference *property_reference, jobjectArray value) +{ + pval presult; + jlong result = 0; + pval **pobject; + jobject obj; + int type; + + /* get the property name */ + zend_llist_element *element = property_reference->elements_list.head; + zend_overloaded_element *property=(zend_overloaded_element *)element->data; + jstring propName = + (*jenv)->NewStringUTF(jenv, property->element.value.str.val); + + /* get the object */ + zend_hash_index_find(property_reference->object->value.obj.properties, + 0, (void **) &pobject); + obj = php3_list_find((*pobject)->value.lval,&type); + (pval*)(long)result = &presult; + var_uninit(&presult); + + if (!obj || (type!=le_jobject)) { + php_error(E_ERROR, + "Attempt to access a Java property on a non-Java object"); + } else { + /* invoke the method */ + jmethodID gsp = (*jenv)->GetStaticMethodID(jenv, php_reflect, "GetSetProp", + "(Ljava/lang/Object;Ljava/lang/String;[Ljava/lang/Object;J)V"); + (*jenv)->CallStaticVoidMethod + (jenv, php_reflect, gsp, obj, propName, value, result); + } + + (*jenv)->DeleteLocalRef(jenv, propName); + pval_destructor(&property->element); + return presult; +} + +pval java_get_property_handler + (zend_property_reference *property_reference) +{ + pval presult = _java_getset_property(property_reference, 0); + checkError(&presult); + return presult; +} + + +int java_set_property_handler + (zend_property_reference *property_reference, pval *value) +{ + pval presult = _java_getset_property + (property_reference, _java_makeArray(1, &value)); + return checkError(&presult) ? FAILURE : SUCCESS; +} + +/***************************************************************************/ + +static void _php3_java_destructor(void *jobject) { + (*jenv)->DeleteGlobalRef(jenv, jobject); +} + +PHP_MINIT_FUNCTION(java) { + INIT_OVERLOADED_CLASS_ENTRY(java_class_entry, "java", NULL, + java_call_function_handler, + java_get_property_handler, + java_set_property_handler); + + register_internal_class(&java_class_entry); + + le_jobject = register_list_destructors(_php3_java_destructor,NULL); + + REGISTER_INI_ENTRIES(); + return SUCCESS; +} + + +PHP_MSHUTDOWN_FUNCTION(java) { + UNREGISTER_INI_ENTRIES(); + if (jvm) jvm_destroy(); + return SUCCESS; +} + +function_entry java_functions[] = { + {NULL, NULL, NULL} +}; + + +static PHP_MINFO_FUNCTION(java) { + DISPLAY_INI_ENTRIES(); +} + +php3_module_entry java_module_entry = { + "java", + java_functions, + PHP_MINIT(java), + PHP_MSHUTDOWN(java), + NULL, + NULL, + PHP_MINFO(java), + STANDARD_MODULE_PROPERTIES +}; + +DLEXPORT zend_module_entry *get_module(void) { return &java_module_entry; } + +/***************************************************************************/ + +JNIEXPORT void JNICALL Java_net_php_reflect_setResultFromString + (JNIEnv *jenv, jobject self, jlong result, jstring value) +{ + const char *valueAsUTF = (*jenv)->GetStringUTFChars(jenv, value, 0); + pval *presult = (pval*)(long)result; + presult->type=IS_STRING; + presult->value.str.len=strlen(valueAsUTF); + presult->value.str.val=emalloc(presult->value.str.len+1); + strcpy(presult->value.str.val, valueAsUTF); + (*jenv)->ReleaseStringUTFChars(jenv, value, valueAsUTF); +} + +JNIEXPORT void JNICALL Java_net_php_reflect_setResultFromLong + (JNIEnv *jenv, jobject self, jlong result, jlong value) +{ + pval *presult = (pval*)(long)result; + presult->type=IS_LONG; + presult->value.lval=(long)value; +} + +JNIEXPORT void JNICALL Java_net_php_reflect_setResultFromDouble + (JNIEnv *jenv, jobject self, jlong result, jdouble value) +{ + pval *presult = (pval*)(long)result; + presult->type=IS_DOUBLE; + presult->value.dval=value; +} + +JNIEXPORT void JNICALL Java_net_php_reflect_setResultFromBoolean + (JNIEnv *jenv, jobject self, jlong result, jboolean value) +{ + pval *presult = (pval*)(long)result; + presult->type=IS_BOOL; + presult->value.lval=value; +} + +JNIEXPORT void JNICALL Java_net_php_reflect_setResultFromObject + (JNIEnv *jenv, jobject self, jlong result, jobject value) +{ + /* wrapper the java object in a pval object */ + pval *presult = (pval*)(long)result; + pval *handle; + + if (presult->type != IS_OBJECT) { + presult->type=IS_OBJECT; + presult->value.obj.ce=&java_class_entry; + presult->value.obj.properties = (HashTable *) emalloc(sizeof(HashTable)); + presult->is_ref=1; + presult->refcount=1; + zend_hash_init(presult->value.obj.properties, 0, NULL, PVAL_PTR_DTOR, 0); + }; + + handle = (pval *) emalloc(sizeof(pval)); + handle->type = IS_LONG; + handle->value.lval = + php3_list_insert((*jenv)->NewGlobalRef(jenv,value), le_jobject); + pval_copy_constructor(handle); + INIT_PZVAL(handle); + zend_hash_index_update(presult->value.obj.properties, 0, + &handle, sizeof(pval *), NULL); +} + +JNIEXPORT void JNICALL Java_net_php_reflect_setException + (JNIEnv *jenv, jobject self, jlong result, jstring value) +{ + pval *presult = (pval*)(long)result; + Java_net_php_reflect_setResultFromString(jenv, self, result, value); + presult->type=IS_EXCEPTION; +} |