/**
* オブジェクトのフィールドにデータを設定する<br>
* Integer、Float、Float[]、Stringにしか対応していない
*
* @param obj 設定対象オブジェクト
* @param fl 設定対象フィールド
* @param ty 設定対象フィールドの型
* @param data 設定データ
* @throws IllegalArgumentException
* @throws IllegalAccessException
*/
protected void dataSetter(Object obj, Field fl, Class ty, String data)
throws IllegalArgumentException, IllegalAccessException {
// Integer型のデータを設定
if (ty.toString().equals("class java.lang.Integer")) {
fl.set(obj, Integer.parseInt(data));
}
// Float型のデータを設定
if (ty.toString().equals("class java.lang.Float")) {
fl.set(obj, Float.parseFloat(data));
}
// String型のデータを設定（""の内側）
if (ty.toString().equals("class java.lang.String")) {
fl.set(obj, getDoubleQuoatString(data));
}
// Float[]型のデータを設定
if (ty.toString().equals("class [Ljava.lang.Float;")) {
String[] s;
s = data.split(" ");
Float[] f = new Float[s.length];
for (int i = 0; i < s.length; i++) {
f[i] = Float.parseFloat(s[i]);
}
fl.set(obj, f);
}
}
/**
* Given a map between a string and an object of unknown type, attempt to retrieve what value is
* mapped to from the specified string and validate that the actual type matches the specified
* class.
*
* @return Null if the types do not match, or the value
*/
private static Object validateAndGet(Map<String, Object> m, String s, Class<?> c)
throws MissingMappingException, UnexpectedTypeException {
Object o = m.get(s);
if (o == null) throw new MissingMappingException(s);
if (!c.isAssignableFrom(o.getClass()))
throw new UnexpectedTypeException(s, c.toString(), o.getClass().toString());
else return o;
}
static String[] c_signature(Class c, String expr) {
if (c.isPrimitive()) return strs("j" + c.toString(), expr, expr);
if (c == Pointer.class)
return strs(
"void*",
"createPointerFromIO(env, " + expr + ", NULL)",
"getPointerPeer(env, " + expr + ")"); // TODO callIO
if (c == CLong.class)
return strs("long", "BoxCLong(env, " + expr + ")", "UnBoxCLong(env, " + expr + ")");
if (c == SizeT.class)
return strs("size_t", "BoxSizeT(env, " + expr + ")", "UnBoxSizeT(env, " + expr + ")");
if (c == TimeT.class)
return strs("time_t", "BoxTimeT(env, " + expr + ")", "UnBoxTimeT(env, " + expr + ")");
throw new UnsupportedOperationException("Cannot compute C signature for " + c.getName());
}
public <T> T get(String path, Class<T> c) {
Log.d(TAG, "get " + path); // NON-NLS
File f = new File(getFullCachePath(path));
if (!f.exists()) {
Log.w(TAG, "file: " + f.toString() + " not exists"); // NON-NLS
return null;
}
T object;
try {
StringBuffer fileData = new StringBuffer();
BufferedReader reader = new BufferedReader(new FileReader(f));
char[] buf = new char[1024];
int numRead = 0;
while ((numRead = reader.read(buf)) != -1) {
String readData = String.valueOf(buf, 0, numRead);
fileData.append(readData);
}
reader.close();
String json = fileData.toString();
Log.d(TAG, "cache: " + json); // NON-NLS
object = getGson().fromJson(json, c);
} catch (FileNotFoundException e) {
Log.w(TAG, e.getMessage());
e.printStackTrace();
absoluteDelete(path);
return null;
} catch (StreamCorruptedException e) {
Log.w(TAG, e.getMessage());
e.printStackTrace();
absoluteDelete(path);
return null;
} catch (IOException e) {
Log.w(TAG, e.getMessage());
e.printStackTrace();
absoluteDelete(path);
return null;
} catch (JsonSyntaxException e) {
Log.w(TAG, e.getMessage());
e.printStackTrace();
absoluteDelete(path);
return null;
} catch (IllegalArgumentException e) {
Log.w(TAG, e.getMessage());
e.printStackTrace();
absoluteDelete(path);
return null;
} catch (RuntimeException e) {
// не позволим кэшу убить нашу программу
Log.w(TAG, e.getMessage());
e.printStackTrace();
absoluteDelete(path);
return null;
} catch (Exception e) {
// не позволим кэшу убить нашу программу
Log.w(TAG, e.getMessage());
e.printStackTrace();
absoluteDelete(path);
return null;
}
if (object.getClass().toString().equals(c.toString())) return object;
else return null;
}
/**
* Generates code to convert a wrapped value type to a primitive type. Handles unwrapping
* java.lang.Boolean, and java.lang.Number types. Generates the appropriate RETURN bytecode.
*/
static void generateReturnResult(
ClassFileWriter cfw, Class<?> retType, boolean callConvertResult) {
// wrap boolean values with java.lang.Boolean, convert all other
// primitive values to java.lang.Double.
if (retType == Void.TYPE) {
cfw.add(ByteCode.POP);
cfw.add(ByteCode.RETURN);
} else if (retType == Boolean.TYPE) {
cfw.addInvoke(
ByteCode.INVOKESTATIC, "aurora/javascript/Context", "toBoolean", "(Ljava/lang/Object;)Z");
cfw.add(ByteCode.IRETURN);
} else if (retType == Character.TYPE) {
// characters are represented as strings in JavaScript.
// return the first character.
// first convert the value to a string if possible.
cfw.addInvoke(
ByteCode.INVOKESTATIC,
"aurora/javascript/Context",
"toString",
"(Ljava/lang/Object;)Ljava/lang/String;");
cfw.add(ByteCode.ICONST_0);
cfw.addInvoke(ByteCode.INVOKEVIRTUAL, "java/lang/String", "charAt", "(I)C");
cfw.add(ByteCode.IRETURN);
} else if (retType.isPrimitive()) {
cfw.addInvoke(
ByteCode.INVOKESTATIC, "aurora/javascript/Context", "toNumber", "(Ljava/lang/Object;)D");
String typeName = retType.getName();
switch (typeName.charAt(0)) {
case 'b':
case 's':
case 'i':
cfw.add(ByteCode.D2I);
cfw.add(ByteCode.IRETURN);
break;
case 'l':
cfw.add(ByteCode.D2L);
cfw.add(ByteCode.LRETURN);
break;
case 'f':
cfw.add(ByteCode.D2F);
cfw.add(ByteCode.FRETURN);
break;
case 'd':
cfw.add(ByteCode.DRETURN);
break;
default:
throw new RuntimeException("Unexpected return type " + retType.toString());
}
} else {
String retTypeStr = retType.getName();
if (callConvertResult) {
cfw.addLoadConstant(retTypeStr);
cfw.addInvoke(
ByteCode.INVOKESTATIC,
"java/lang/Class",
"forName",
"(Ljava/lang/String;)Ljava/lang/Class;");
cfw.addInvoke(
ByteCode.INVOKESTATIC,
"aurora/javascript/JavaAdapter",
"convertResult",
"(Ljava/lang/Object;" + "Ljava/lang/Class;" + ")Ljava/lang/Object;");
}
// Now cast to return type
cfw.add(ByteCode.CHECKCAST, retTypeStr);
cfw.add(ByteCode.ARETURN);
}
}
