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/* //device/libs/android_runtime/android_pim_EventRecurrence.cpp
**
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#include <pim/EventRecurrence.h>
#include "jni.h"
#include "nativehelper/JNIHelp.h"
#include <utils/String8.h>
namespace android {
struct cached_array_fields_t
{
jfieldID array;
jfieldID count;
};
static jclass clazz;
static jfieldID freq_field;
static jfieldID until_field;
static jfieldID count_field;
static jfieldID interval_field;
static jfieldID wkst_field;
static cached_array_fields_t bysecond_fields;
static cached_array_fields_t byminute_fields;
static cached_array_fields_t byhour_fields;
static cached_array_fields_t byday_fields;
static cached_array_fields_t bydayNum_fields;
static cached_array_fields_t bymonthday_fields;
static cached_array_fields_t byyearday_fields;
static cached_array_fields_t byweekno_fields;
static cached_array_fields_t bymonth_fields;
static cached_array_fields_t bysetpos_fields;
static status_t
set_array(JNIEnv* env, int inCount, int* inArray,
jobject This, const cached_array_fields_t& fields)
{
if (inCount > 0) {
jintArray array = (jintArray) env->GetObjectField(This, fields.array);
if (array == NULL || env->GetArrayLength(array) < inCount) {
// +4 because it's cheap to allocate a little extra here, and
// that reduces the chance that we'll come back here again
array = env->NewIntArray(inCount+4);
env->SetObjectField(This, fields.array, array);
}
if (array == NULL) {
return NO_MEMORY;
}
env->SetIntArrayRegion(array, 0, inCount, inArray);
}
env->SetIntField(This, fields.count, inCount);
return NO_ERROR;
}
/*
* In class android.pim.EventRecurrence
* public native int parse(String str);
*/
#define SET_ARRAY_AND_CHECK(name) \
/*printf("setting " #name " to %d elements\n", er.name##Count);*/ \
if (set_array(env, er.name##Count, er.name, This, name##_fields) \
!= NO_ERROR) { \
jniThrowException(env, "java/lang/RuntimeException", \
"EventRecurrence.parse error setting field " #name " or " \
#name "Count."); \
return ; \
}
static void
EventRecurrence_parse(JNIEnv* env, jobject This, jstring jstr)
{
if (jstr == NULL) {
jniThrowException(env, "java/lang/NullPointerException",
"EventRecurrence.parse str parameter null");
return ;
}
jboolean isCopy;
const jchar* jchars = env->GetStringChars(jstr, &isCopy);
jsize len = env->GetStringLength(jstr);
String16 str(jchars, len);
env->ReleaseStringChars(jstr, jchars);
//printf("the string was '%s'\n", String8(str).string());
EventRecurrence er;
if (NO_ERROR != er.parse(str)) {
String8 msg("Error parsing recurrence: '");
msg.append(String8(str));
msg.append("'");
jniThrowException(env,
"android/pim/EventRecurrence$InvalidFormatException",
msg.string());
return ;
}
jstring untilStr;
if (er.until.size() > 0) {
untilStr = env->NewString(er.until.string(), er.until.size());
if (untilStr == NULL) {
jniThrowException(env, "java/lang/RuntimeException",
"EventRecurrence.parse error setting field 'until'");
return ;
}
} else {
untilStr = NULL;
}
env->SetObjectField(This, until_field, untilStr);
env->SetIntField(This, freq_field, er.freq);
env->SetIntField(This, count_field, er.count);
env->SetIntField(This, interval_field, er.interval);
env->SetIntField(This, wkst_field, er.wkst);
SET_ARRAY_AND_CHECK(bysecond)
SET_ARRAY_AND_CHECK(byminute)
SET_ARRAY_AND_CHECK(byhour)
SET_ARRAY_AND_CHECK(byday)
// we'll just set the bydayCount field twice, it'll be less code total
if (set_array(env, er.bydayCount, er.bydayNum, This, bydayNum_fields)
!= NO_ERROR) {
jniThrowException(env, "java/lang/RuntimeException",
"EventRecurrence.parse error setting field bydayNum or "
"bydayCount.");
return ;
}
SET_ARRAY_AND_CHECK(bymonthday)
SET_ARRAY_AND_CHECK(byyearday)
SET_ARRAY_AND_CHECK(byweekno)
SET_ARRAY_AND_CHECK(bymonth)
SET_ARRAY_AND_CHECK(bysetpos)
}
/*
* JNI registration.
*/
static JNINativeMethod METHODS[] = {
/* name, signature, funcPtr */
{ "parse", "(Ljava/lang/String;)V", (void*)EventRecurrence_parse }
};
static const char*const CLASS_NAME = "android/pim/EventRecurrence";
int register_android_pim_EventRecurrence(JNIEnv* env)
{
clazz = env->FindClass(CLASS_NAME);
if (clazz == NULL) {
LOGE("Field lookup unable to find class '%s'\n", CLASS_NAME);
return -1;
}
freq_field = env->GetFieldID(clazz, "freq", "I");
count_field = env->GetFieldID(clazz, "count", "I");
interval_field = env->GetFieldID(clazz, "interval", "I");
wkst_field = env->GetFieldID(clazz, "wkst", "I");
until_field = env->GetFieldID(clazz, "until", "Ljava/lang/String;");
bysecond_fields.array = env->GetFieldID(clazz, "bysecond", "[I");
bysecond_fields.count = env->GetFieldID(clazz, "bysecondCount", "I");
byminute_fields.array = env->GetFieldID(clazz, "byminute", "[I");
byminute_fields.count = env->GetFieldID(clazz, "byminuteCount", "I");
byhour_fields.array = env->GetFieldID(clazz, "byhour", "[I");
byhour_fields.count = env->GetFieldID(clazz, "byhourCount", "I");
byday_fields.array = env->GetFieldID(clazz, "byday", "[I");
byday_fields.count = env->GetFieldID(clazz, "bydayCount", "I");
bydayNum_fields.array = env->GetFieldID(clazz, "bydayNum", "[I");
bydayNum_fields.count = byday_fields.count;
bymonthday_fields.array = env->GetFieldID(clazz, "bymonthday", "[I");
bymonthday_fields.count = env->GetFieldID(clazz, "bymonthdayCount", "I");
byyearday_fields.array = env->GetFieldID(clazz, "byyearday", "[I");
byyearday_fields.count = env->GetFieldID(clazz, "byyeardayCount", "I");
byweekno_fields.array = env->GetFieldID(clazz, "byweekno", "[I");
byweekno_fields.count = env->GetFieldID(clazz, "byweeknoCount", "I");
bymonth_fields.array = env->GetFieldID(clazz, "bymonth", "[I");
bymonth_fields.count = env->GetFieldID(clazz, "bymonthCount", "I");
bysetpos_fields.array = env->GetFieldID(clazz, "bysetpos", "[I");
bysetpos_fields.count = env->GetFieldID(clazz, "bysetposCount", "I");
return jniRegisterNativeMethods(env, CLASS_NAME,
METHODS, sizeof(METHODS)/sizeof(METHODS[0]));
}
}; // namespace android
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