The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006-2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #undef LOG_TAG |
| 18 | #define LOG_TAG "Cursor" |
| 19 | |
| 20 | #include <jni.h> |
| 21 | #include <JNIHelp.h> |
| 22 | #include <android_runtime/AndroidRuntime.h> |
| 23 | |
| 24 | #include <sqlite3.h> |
| 25 | |
| 26 | #include <utils/Log.h> |
| 27 | |
| 28 | #include <stdio.h> |
| 29 | #include <string.h> |
| 30 | #include <unistd.h> |
| 31 | |
| 32 | #include "sqlite3_exception.h" |
| 33 | |
| 34 | |
| 35 | namespace android { |
| 36 | |
| 37 | static jfieldID gHandleField; |
| 38 | static jfieldID gStatementField; |
| 39 | |
| 40 | |
| 41 | #define GET_STATEMENT(env, object) \ |
| 42 | (sqlite3_stmt *)env->GetIntField(object, gStatementField) |
| 43 | #define GET_HANDLE(env, object) \ |
| 44 | (sqlite3 *)env->GetIntField(object, gHandleField) |
| 45 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 46 | static void native_compile(JNIEnv* env, jobject object, jstring sqlString) |
| 47 | { |
Kenny Root | f80efdf | 2010-02-18 10:13:11 -0800 | [diff] [blame] | 48 | char buf[65]; |
| 49 | strcpy(buf, "android_database_SQLiteProgram->native_compile() not implemented"); |
Vasu Nori | 5a03f36 | 2009-10-20 15:16:35 -0700 | [diff] [blame] | 50 | throw_sqlite3_exception(env, GET_HANDLE(env, object), buf); |
| 51 | return; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 52 | } |
| 53 | |
| 54 | static void native_bind_null(JNIEnv* env, jobject object, |
| 55 | jint index) |
| 56 | { |
| 57 | int err; |
| 58 | sqlite3_stmt * statement = GET_STATEMENT(env, object); |
| 59 | |
| 60 | err = sqlite3_bind_null(statement, index); |
| 61 | if (err != SQLITE_OK) { |
| 62 | char buf[32]; |
| 63 | sprintf(buf, "handle %p", statement); |
| 64 | throw_sqlite3_exception(env, GET_HANDLE(env, object), buf); |
| 65 | return; |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | static void native_bind_long(JNIEnv* env, jobject object, |
| 70 | jint index, jlong value) |
| 71 | { |
| 72 | int err; |
| 73 | sqlite3_stmt * statement = GET_STATEMENT(env, object); |
| 74 | |
| 75 | err = sqlite3_bind_int64(statement, index, value); |
| 76 | if (err != SQLITE_OK) { |
| 77 | char buf[32]; |
| 78 | sprintf(buf, "handle %p", statement); |
| 79 | throw_sqlite3_exception(env, GET_HANDLE(env, object), buf); |
| 80 | return; |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | static void native_bind_double(JNIEnv* env, jobject object, |
| 85 | jint index, jdouble value) |
| 86 | { |
| 87 | int err; |
| 88 | sqlite3_stmt * statement = GET_STATEMENT(env, object); |
| 89 | |
| 90 | err = sqlite3_bind_double(statement, index, value); |
| 91 | if (err != SQLITE_OK) { |
| 92 | char buf[32]; |
| 93 | sprintf(buf, "handle %p", statement); |
| 94 | throw_sqlite3_exception(env, GET_HANDLE(env, object), buf); |
| 95 | return; |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | static void native_bind_string(JNIEnv* env, jobject object, |
| 100 | jint index, jstring sqlString) |
| 101 | { |
| 102 | int err; |
| 103 | jchar const * sql; |
| 104 | jsize sqlLen; |
| 105 | sqlite3_stmt * statement= GET_STATEMENT(env, object); |
| 106 | |
| 107 | sql = env->GetStringChars(sqlString, NULL); |
| 108 | sqlLen = env->GetStringLength(sqlString); |
| 109 | err = sqlite3_bind_text16(statement, index, sql, sqlLen * 2, SQLITE_TRANSIENT); |
| 110 | env->ReleaseStringChars(sqlString, sql); |
| 111 | if (err != SQLITE_OK) { |
| 112 | char buf[32]; |
| 113 | sprintf(buf, "handle %p", statement); |
| 114 | throw_sqlite3_exception(env, GET_HANDLE(env, object), buf); |
| 115 | return; |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | static void native_bind_blob(JNIEnv* env, jobject object, |
| 120 | jint index, jbyteArray value) |
| 121 | { |
| 122 | int err; |
| 123 | jchar const * sql; |
| 124 | jsize sqlLen; |
| 125 | sqlite3_stmt * statement= GET_STATEMENT(env, object); |
| 126 | |
Vasu Nori | 5a03f36 | 2009-10-20 15:16:35 -0700 | [diff] [blame] | 127 | jint len = env->GetArrayLength(value); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 128 | jbyte * bytes = env->GetByteArrayElements(value, NULL); |
| 129 | |
| 130 | err = sqlite3_bind_blob(statement, index, bytes, len, SQLITE_TRANSIENT); |
| 131 | env->ReleaseByteArrayElements(value, bytes, JNI_ABORT); |
| 132 | |
| 133 | if (err != SQLITE_OK) { |
| 134 | char buf[32]; |
| 135 | sprintf(buf, "statement %p", statement); |
| 136 | throw_sqlite3_exception(env, GET_HANDLE(env, object), buf); |
| 137 | return; |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | static void native_clear_bindings(JNIEnv* env, jobject object) |
| 142 | { |
| 143 | int err; |
| 144 | sqlite3_stmt * statement = GET_STATEMENT(env, object); |
| 145 | |
| 146 | err = sqlite3_clear_bindings(statement); |
| 147 | if (err != SQLITE_OK) { |
| 148 | throw_sqlite3_exception(env, GET_HANDLE(env, object)); |
| 149 | return; |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | static void native_finalize(JNIEnv* env, jobject object) |
| 154 | { |
Kenny Root | f80efdf | 2010-02-18 10:13:11 -0800 | [diff] [blame] | 155 | char buf[66]; |
| 156 | strcpy(buf, "android_database_SQLiteProgram->native_finalize() not implemented"); |
Vasu Nori | 5a03f36 | 2009-10-20 15:16:35 -0700 | [diff] [blame] | 157 | throw_sqlite3_exception(env, GET_HANDLE(env, object), buf); |
| 158 | return; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 159 | } |
| 160 | |
| 161 | |
| 162 | static JNINativeMethod sMethods[] = |
| 163 | { |
| 164 | /* name, signature, funcPtr */ |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 165 | {"native_bind_null", "(I)V", (void *)native_bind_null}, |
| 166 | {"native_bind_long", "(IJ)V", (void *)native_bind_long}, |
| 167 | {"native_bind_double", "(ID)V", (void *)native_bind_double}, |
| 168 | {"native_bind_string", "(ILjava/lang/String;)V", (void *)native_bind_string}, |
Vasu Nori | 5a03f36 | 2009-10-20 15:16:35 -0700 | [diff] [blame] | 169 | {"native_bind_blob", "(I[B)V", (void *)native_bind_blob}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 170 | {"native_clear_bindings", "()V", (void *)native_clear_bindings}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 171 | }; |
| 172 | |
| 173 | int register_android_database_SQLiteProgram(JNIEnv * env) |
| 174 | { |
| 175 | jclass clazz; |
| 176 | |
| 177 | clazz = env->FindClass("android/database/sqlite/SQLiteProgram"); |
| 178 | if (clazz == NULL) { |
| 179 | LOGE("Can't find android/database/sqlite/SQLiteProgram"); |
| 180 | return -1; |
| 181 | } |
| 182 | |
| 183 | gHandleField = env->GetFieldID(clazz, "nHandle", "I"); |
| 184 | gStatementField = env->GetFieldID(clazz, "nStatement", "I"); |
| 185 | |
| 186 | if (gHandleField == NULL || gStatementField == NULL) { |
| 187 | LOGE("Error locating fields"); |
| 188 | return -1; |
| 189 | } |
| 190 | |
| 191 | return AndroidRuntime::registerNativeMethods(env, |
| 192 | "android/database/sqlite/SQLiteProgram", sMethods, NELEM(sMethods)); |
| 193 | } |
| 194 | |
| 195 | } // namespace android |