/* * Copyright (c) 2004, 2005, 2006 TADA AB - Taby Sweden * Distributed under the terms shown in the file COPYRIGHT * found in the root folder of this project or at * http://eng.tada.se/osprojects/COPYRIGHT.html * * @author Thomas Hallgren */ #include #include "pljava/SQLInputFromChunk.h" #include "org_postgresql_pljava_jdbc_SQLInputFromChunk.h" static jclass s_SQLInputFromChunk_class; static jmethodID s_SQLInputFromChunk_init; static jmethodID s_SQLInputFromChunk_close; jobject SQLInputFromChunk_create(void* data, size_t sz) { Ptr2Long p2l; p2l.longVal = 0L; /* ensure that the rest is zeroed out */ p2l.ptrVal = data; return JNI_newObject(s_SQLInputFromChunk_class, s_SQLInputFromChunk_init, p2l.longVal, (jint)sz); } void SQLInputFromChunk_close(jobject stream) { JNI_callVoidMethod(stream, s_SQLInputFromChunk_close); } /* Make this datatype available to the postgres system. */ extern void SQLInputFromChunk_initialize(void); void SQLInputFromChunk_initialize(void) { JNINativeMethod methods[] = { { "_readByte", "(JI)I", Java_org_postgresql_pljava_jdbc_SQLInputFromChunk__1readByte }, { "_readBytes", "(JI[BI)V", Java_org_postgresql_pljava_jdbc_SQLInputFromChunk__1readBytes }, { 0, 0, 0 }}; s_SQLInputFromChunk_class = JNI_newGlobalRef(PgObject_getJavaClass("org/postgresql/pljava/jdbc/SQLInputFromChunk")); PgObject_registerNatives2(s_SQLInputFromChunk_class, methods); s_SQLInputFromChunk_init = PgObject_getJavaMethod(s_SQLInputFromChunk_class, "", "(JI)V"); s_SQLInputFromChunk_close = PgObject_getJavaMethod(s_SQLInputFromChunk_class, "close", "()V"); } /**************************************** * JNI methods ****************************************/ /* * Class: org_postgresql_pljava_jdbc_SQLInputFromChunk * Method: _readByte * Signature: (JI)I */ JNIEXPORT jint JNICALL Java_org_postgresql_pljava_jdbc_SQLInputFromChunk__1readByte(JNIEnv* env, jclass cls, jlong _this, jint pos) { Ptr2Long p2l; p2l.longVal = _this; /* Bounds checking has already been made */ return (jint)((unsigned char*)p2l.ptrVal)[pos]; } /* * Class: org_postgresql_pljava_jdbc_SQLInputFromChunk * Method: _readBytes * Signature: (JI[BI)V */ JNIEXPORT void JNICALL Java_org_postgresql_pljava_jdbc_SQLInputFromChunk__1readBytes(JNIEnv* env, jclass cls, jlong _this, jint pos, jbyteArray ba, jint len) { BEGIN_NATIVE Ptr2Long p2l; p2l.longVal = _this; /* Bounds checking has already been made */ JNI_setByteArrayRegion(ba, 0, len, ((jbyte*)p2l.ptrVal) + pos); END_NATIVE }