196 lines
5.6 KiB
C++
196 lines
5.6 KiB
C++
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/*
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* Copyright (C) 2006-2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#undef LOG_TAG
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#define LOG_TAG "Cursor"
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#include <jni.h>
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#include <JNIHelp.h>
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#include <android_runtime/AndroidRuntime.h>
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#include <sqlite3.h>
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#include <utils/Log.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include "sqlite3_exception.h"
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namespace android {
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static jfieldID gHandleField;
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static jfieldID gStatementField;
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#define GET_STATEMENT(env, object) \
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(sqlite3_stmt *)env->GetIntField(object, gStatementField)
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#define GET_HANDLE(env, object) \
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(sqlite3 *)env->GetIntField(object, gHandleField)
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static void native_compile(JNIEnv* env, jobject object, jstring sqlString)
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{
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char buf[65];
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strcpy(buf, "android_database_SQLiteProgram->native_compile() not implemented");
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throw_sqlite3_exception(env, GET_HANDLE(env, object), buf);
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return;
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}
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static void native_bind_null(JNIEnv* env, jobject object,
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jint index)
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{
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int err;
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sqlite3_stmt * statement = GET_STATEMENT(env, object);
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err = sqlite3_bind_null(statement, index);
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if (err != SQLITE_OK) {
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char buf[32];
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sprintf(buf, "handle %p", statement);
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throw_sqlite3_exception(env, GET_HANDLE(env, object), buf);
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return;
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}
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}
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static void native_bind_long(JNIEnv* env, jobject object,
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jint index, jlong value)
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{
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int err;
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sqlite3_stmt * statement = GET_STATEMENT(env, object);
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err = sqlite3_bind_int64(statement, index, value);
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if (err != SQLITE_OK) {
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char buf[32];
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sprintf(buf, "handle %p", statement);
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throw_sqlite3_exception(env, GET_HANDLE(env, object), buf);
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return;
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}
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}
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static void native_bind_double(JNIEnv* env, jobject object,
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jint index, jdouble value)
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{
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int err;
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sqlite3_stmt * statement = GET_STATEMENT(env, object);
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err = sqlite3_bind_double(statement, index, value);
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if (err != SQLITE_OK) {
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char buf[32];
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sprintf(buf, "handle %p", statement);
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throw_sqlite3_exception(env, GET_HANDLE(env, object), buf);
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return;
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}
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}
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static void native_bind_string(JNIEnv* env, jobject object,
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jint index, jstring sqlString)
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{
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int err;
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jchar const * sql;
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jsize sqlLen;
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sqlite3_stmt * statement= GET_STATEMENT(env, object);
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sql = env->GetStringChars(sqlString, NULL);
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sqlLen = env->GetStringLength(sqlString);
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err = sqlite3_bind_text16(statement, index, sql, sqlLen * 2, SQLITE_TRANSIENT);
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env->ReleaseStringChars(sqlString, sql);
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if (err != SQLITE_OK) {
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char buf[32];
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sprintf(buf, "handle %p", statement);
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throw_sqlite3_exception(env, GET_HANDLE(env, object), buf);
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return;
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}
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}
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static void native_bind_blob(JNIEnv* env, jobject object,
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jint index, jbyteArray value)
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{
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int err;
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jchar const * sql;
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jsize sqlLen;
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sqlite3_stmt * statement= GET_STATEMENT(env, object);
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jint len = env->GetArrayLength(value);
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jbyte * bytes = env->GetByteArrayElements(value, NULL);
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err = sqlite3_bind_blob(statement, index, bytes, len, SQLITE_TRANSIENT);
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env->ReleaseByteArrayElements(value, bytes, JNI_ABORT);
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if (err != SQLITE_OK) {
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char buf[32];
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sprintf(buf, "statement %p", statement);
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throw_sqlite3_exception(env, GET_HANDLE(env, object), buf);
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return;
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}
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}
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static void native_clear_bindings(JNIEnv* env, jobject object)
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{
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int err;
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sqlite3_stmt * statement = GET_STATEMENT(env, object);
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err = sqlite3_clear_bindings(statement);
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if (err != SQLITE_OK) {
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throw_sqlite3_exception(env, GET_HANDLE(env, object));
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return;
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}
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}
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static void native_finalize(JNIEnv* env, jobject object)
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{
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char buf[66];
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strcpy(buf, "android_database_SQLiteProgram->native_finalize() not implemented");
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throw_sqlite3_exception(env, GET_HANDLE(env, object), buf);
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return;
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}
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static JNINativeMethod sMethods[] =
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{
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/* name, signature, funcPtr */
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{"native_bind_null", "(I)V", (void *)native_bind_null},
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{"native_bind_long", "(IJ)V", (void *)native_bind_long},
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{"native_bind_double", "(ID)V", (void *)native_bind_double},
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{"native_bind_string", "(ILjava/lang/String;)V", (void *)native_bind_string},
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{"native_bind_blob", "(I[B)V", (void *)native_bind_blob},
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{"native_clear_bindings", "()V", (void *)native_clear_bindings},
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};
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int register_android_database_SQLiteProgram(JNIEnv * env)
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{
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jclass clazz;
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clazz = env->FindClass("android/database/sqlite/SQLiteProgram");
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if (clazz == NULL) {
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LOGE("Can't find android/database/sqlite/SQLiteProgram");
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return -1;
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}
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gHandleField = env->GetFieldID(clazz, "nHandle", "I");
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gStatementField = env->GetFieldID(clazz, "nStatement", "I");
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if (gHandleField == NULL || gStatementField == NULL) {
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LOGE("Error locating fields");
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return -1;
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}
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return AndroidRuntime::registerNativeMethods(env,
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"android/database/sqlite/SQLiteProgram", sMethods, NELEM(sMethods));
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}
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} // namespace android
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