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#include "JavaBasedPackageManager.h"
#include <utils/Log.h>
#include <assert.h>
#undef LOG_TAG
#define LOG_TAG "JavaBasedPackageManager"
using namespace std;
JavaBasedPackageManager::JavaBasedPackageManager(JavaVM* JavaMashine, jobject MarketConnector):
JavaContext(JavaMashine),
JavaPackageManager(MarketConnector)
{
assert(JavaContext);
assert(JavaPackageManager);
}
bool JavaBasedPackageManager::InstallPackage(const PackageInfo& package)
{
JNIEnv* jenv;
bool self_attached;
LOGD("JavaBasedPackageManager::InstallPackage() begin\n");
self_attached = (JNI_EDETACHED == JavaContext->GetEnv((void**)&jenv, JNI_VERSION_1_6));
if (self_attached)
{
JavaContext->AttachCurrentThread(&jenv, NULL);
}
LOGD("GetObjectClass call\n");
jclass jclazz = jenv->GetObjectClass(JavaPackageManager);
if (!jclazz)
{
LOGE("MarketConnector class was not found!");
return false;
}
LOGD("GetMethodID call\n");
jmethodID jmethod = jenv->GetMethodID(jclazz, "InstallAppFromMarket", "(Ljava/lang/String;)Z");
if (!jmethod)
{
LOGE("MarketConnector::GetAppFormMarket method was not found!");
jenv->DeleteLocalRef(jclazz);
return false;
}
LOGD("Calling java package manager with package name %s\n", package.GetFullName().c_str());
jobject jpkgname = jenv->NewStringUTF(package.GetFullName().c_str());
bool result = jenv->CallNonvirtualBooleanMethod(JavaPackageManager, jclazz, jmethod, jpkgname);
jenv->DeleteLocalRef(jpkgname);
jenv->DeleteLocalRef(jclazz);
if (self_attached)
{
JavaContext->DetachCurrentThread();
}
LOGD("JavaBasedPackageManager::InstallPackage() end\n");
return result;
}
vector<PackageInfo> JavaBasedPackageManager::GetInstalledPackages()
{
vector<PackageInfo> result;
JNIEnv* jenv;
bool self_attached;
LOGD("JavaBasedPackageManager::GetInstalledPackages() begin");
self_attached = (JNI_EDETACHED == JavaContext->GetEnv((void**)&jenv, JNI_VERSION_1_6));
if (self_attached)
{
JavaContext->AttachCurrentThread(&jenv, NULL);
}
jclass jclazz = jenv->GetObjectClass(JavaPackageManager);
if (!jclazz)
{
LOGE("MarketConnector class was not found!");
return result;
}
jmethodID jmethod = jenv->GetMethodID(jclazz, "GetInstalledOpenCVPackages", "()[Landroid/content/pm/PackageInfo;");
if (!jmethod)
{
LOGE("MarketConnector::GetInstalledOpenCVPackages method was not found!");
jenv->DeleteLocalRef(jclazz);
return result;
}
jobjectArray jpkgs = static_cast<jobjectArray>(jenv->CallNonvirtualObjectMethod(JavaPackageManager, jclazz, jmethod));
jsize size = jenv->GetArrayLength(jpkgs);
LOGD("Package info conversion");
result.reserve(size);
for (jsize i = 0; i < size; i++)
{
jobject jtmp = jenv->GetObjectArrayElement(jpkgs, i);
PackageInfo tmp = ConvertPackageFromJava(jtmp, jenv);
if (tmp.IsValid())
result.push_back(tmp);
jenv->DeleteLocalRef(jtmp);
}
jenv->DeleteLocalRef(jpkgs);
jenv->DeleteLocalRef(jclazz);
if (self_attached)
{
JavaContext->DetachCurrentThread();
}
LOGD("JavaBasedPackageManager::GetInstalledPackages() end");
return result;
}
static jint GetAndroidVersion(JNIEnv* jenv)
{
jclass jclazz = jenv->FindClass("android/os/Build$VERSION");
jfieldID jfield = jenv->GetStaticFieldID(jclazz, "SDK_INT", "I");
jint api_level = jenv->GetStaticIntField(jclazz, jfield);
jenv->DeleteLocalRef(jclazz);
return api_level;
}
// IMPORTANT: This method can be called only if thread is attached to Dalvik
PackageInfo JavaBasedPackageManager::ConvertPackageFromJava(jobject package, JNIEnv* jenv)
{
jclass jclazz = jenv->GetObjectClass(package);
jfieldID jfield = jenv->GetFieldID(jclazz, "packageName", "Ljava/lang/String;");
jstring jnameobj = static_cast<jstring>(jenv->GetObjectField(package, jfield));
const char* jnamestr = jenv->GetStringUTFChars(jnameobj, NULL);
string name(jnamestr);
jenv->DeleteLocalRef(jnameobj);
jfield = jenv->GetFieldID(jclazz, "versionName", "Ljava/lang/String;");
jstring jversionobj = static_cast<jstring>(jenv->GetObjectField(package, jfield));
const char* jversionstr = jenv->GetStringUTFChars(jversionobj, NULL);
string verison(jversionstr);
jenv->DeleteLocalRef(jversionobj);
jenv->DeleteLocalRef(jclazz);
static const jint api_level = GetAndroidVersion(jenv);
string path;
if (api_level > 8)
{
jclazz = jenv->GetObjectClass(package);
jfield = jenv->GetFieldID(jclazz, "applicationInfo", "Landroid/content/pm/ApplicationInfo;");
jobject japp_info = jenv->GetObjectField(package, jfield);
jenv->DeleteLocalRef(jclazz);
jclazz = jenv->GetObjectClass(japp_info);
jfield = jenv->GetFieldID(jclazz, "nativeLibraryDir", "Ljava/lang/String;");
jstring jpathobj = static_cast<jstring>(jenv->GetObjectField(japp_info, jfield));
const char* jpathstr = jenv->GetStringUTFChars(jpathobj, NULL);
path = string(jpathstr);
jenv->ReleaseStringUTFChars(jpathobj, jpathstr);
jenv->DeleteLocalRef(japp_info);
jenv->DeleteLocalRef(jpathobj);
jenv->DeleteLocalRef(jclazz);
}
else
{
path = "/data/data/" + name + "/lib";
}
return PackageInfo(name, path, verison);
}
JavaBasedPackageManager::~JavaBasedPackageManager()
{
JNIEnv* jenv;
bool self_attached;
LOGD("JavaBasedPackageManager::~JavaBasedPackageManager() begin");
JavaContext->GetEnv((void**)&jenv, JNI_VERSION_1_6);
self_attached = (JNI_EDETACHED == JavaContext->GetEnv((void**)&jenv, JNI_VERSION_1_6));
if (self_attached)
{
JavaContext->AttachCurrentThread(&jenv, NULL);
}
jenv->DeleteGlobalRef(JavaPackageManager);
if (self_attached)
{
JavaContext->DetachCurrentThread();
}
LOGD("JavaBasedPackageManager::~JavaBasedPackageManager() end");
}
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