// using reflect to get private variable
public Integer getReflectObjectColor() {
try {
Field mField = mObject.getClass().getDeclaredField(reflectObjectVariableName);
// Inorder to access private variable, you need to set accessible to true
mField.setAccessible(true);
// setter usage
// mField.set(mObject, 222);
return mField.getInt(mObject);
} catch (Exception e) {
}
return null;
}
public String getReflectObjectMethod() {
try {
Method method =
mObject
.getClass()
.getDeclaredMethod(reflectObjectMethodName, Integer.class, Double.class);
// set true to have the right to access private method
method.setAccessible(true);
// it's important to konw the return object's type
String invorkReult = (String) method.invoke(mObject, 123, 456.0);
return invorkReult;
} catch (Exception e) {
}
return null;
}
static TclObject getArrayElt(
Interp interp, // Current interpreter.
Object arrayObj, // Array to dereference. Must be an array.
Class arrayClass, // Class object of array to deref
int index, // First elt to dereference.
boolean convert)
throws TclException // May encounter bad index.
{
// Set "obj" to the index'th element of the arrayObj. If Array.get()
// fails, reset the interp result to cover error message, and set
// "obj" to null. Wrap "obj" in a TclObject and append it to the
// result list.
Object obj;
try {
obj = Array.get(arrayObj, index);
} catch (ArrayIndexOutOfBoundsException e) {
int max = Array.getLength(arrayObj) - 1;
throw new TclException(
interp, "array index \"" + index + "\" is out of bounds: must be between 0 and " + max);
}
/*
*
* System.out.println("object class is " + arrayObj.getClass());
* System.out.println("object component type is " +
* arrayObj.getClass().getComponentType());
*
* System.out.println("array class is " + arrayClass);
* System.out.println("array component type is " +
* arrayClass.getComponentType());
* System.out.println("obj derived type is " + obj.getClass());
*/
if (convert) {
return JavaInvoke.convertJavaObject(interp, arrayClass, obj);
} else {
return ReflectObject.newInstance(interp, arrayClass, obj);
}
}
public void cmdProc(
Interp interp, // Current interpreter.
TclObject argv[]) // Argument list.
throws TclException // If wrong number of args, a
// standard Tcl exception;
// If an exception is encountered
// during the invokation of the method,
// the Exception object will be stored
// in the errorCode of the interp.
{
boolean convert;
int optionIdx, numArgs;
Object subArrayObj;
Class subArrayClass;
int option, index, numDims, count;
TclObject indexListObj;
if (argv.length < 2) {
throw new TclNumArgsException(interp, 1, argv, "?-noconvert? option ?arg arg ...?");
}
String arg1 = argv[1].toString();
if ((arg1.length() >= 2) && (NOCONVERT.startsWith(arg1))) {
// numArgs is the number of optional arguments after the
// sub-command.
convert = false;
optionIdx = 2;
numArgs = argv.length - 3;
} else {
convert = true;
optionIdx = 1;
numArgs = argv.length - 2;
}
if (numArgs < 0) {
throw new TclNumArgsException(interp, 1, argv, "?-noconvert? option ?arg arg ...?");
}
// If the <option> argument to the array object command is one of the
// array sub-commands, then proceed to the switch statement below.
// Otherwise, the array object behaves as a reflect object by calling
// ReflectObject.cmdProc, and <option> will be treated as a method
// of the array object.
//
// We can be sure that there is no conflect between the array
// sub-commands and the method of the array object. This is
// because the array object is an instance of java.lang.Object,
// which has only the following methods (as of JDK 1.1): getClass,
// hashCode, equals, wait, toString, notify, notifyAll
try {
option = TclIndex.get(interp, argv[optionIdx], validCmds, "option", TCL.EXACT);
} catch (TclException e) {
try {
int startIdx = optionIdx + 1;
FuncSig.get(
interp, javaClass, argv[optionIdx], argv, startIdx, argv.length - startIdx, false);
} catch (TclException e1) {
throw new TclException(
interp,
"bad option \""
+ argv[optionIdx]
+ "\": must be length, get, getrange, "
+ "set, setrange, or a valid method signature");
}
super.cmdProc(interp, argv);
return;
}
switch (option) {
case OPT_LENGTH:
if (numArgs != 0) {
throw new TclNumArgsException(interp, optionIdx + 1, argv, "");
}
if (convert == false) {
throw new TclException(
interp, "-noconvert flag not allowed for the \"length\" sub-command");
}
interp.setResult(Array.getLength(javaObj));
return;
case OPT_GET:
if (numArgs != 1) {
throw new TclNumArgsException(interp, optionIdx + 1, argv, "indexList");
}
indexListObj = argv[optionIdx + 1];
numDims = TclList.getLength(interp, indexListObj);
if (numDims == 0) {
subArrayObj = javaObj;
subArrayClass = dereferenceClassDims(interp, javaClass, 1);
index = 0;
} else {
// Dereference all but the last dimension specified. Set
// the interpreter result to the index'th element of the
// "subArrayObj".
subArrayObj = dereferenceArrayDims(interp, javaObj, numDims, indexListObj);
subArrayClass = dereferenceClassDims(interp, javaClass, numDims);
index = TclInteger.getInt(interp, TclList.index(interp, indexListObj, numDims - 1));
}
// Set the interpreter result to a TclObject containing the index'th
// element of "subArrayObj".
interp.setResult(getArrayElt(interp, subArrayObj, subArrayClass, index, convert));
return;
case OPT_SET:
if (numArgs != 2) {
throw new TclNumArgsException(interp, optionIdx + 1, argv, "indexList value");
}
if (convert == false) {
throw new TclException(interp, "-noconvert flag not allowed for the \"set\" sub-command");
}
indexListObj = argv[optionIdx + 1];
numDims = TclList.getLength(interp, indexListObj);
if (numDims == 0) {
subArrayObj = javaObj;
subArrayClass = dereferenceClassDims(interp, javaClass, 1);
index = 0;
} else {
// Dereference all but the last dimension specified. Set
// the value of index'th element of the "subArrayObj" to
// the value in argv[optionIdx + 2].
subArrayObj = dereferenceArrayDims(interp, javaObj, numDims, indexListObj);
subArrayClass = dereferenceClassDims(interp, javaClass, numDims);
index = TclInteger.getInt(interp, TclList.index(interp, indexListObj, numDims - 1));
}
// Set the value of the index'th element of "subArrayObj" to the
// value
// in the TclObject argv[optionIdx + 2].
setArrayElt(interp, subArrayObj, subArrayClass, index, argv[optionIdx + 2]);
interp.resetResult();
return;
case OPT_GETRANGE:
if (numArgs > 2) {
throw new TclNumArgsException(interp, optionIdx + 1, argv, "?indexList ?count??");
}
// If an index list is specified, dereference all but the last
// dimension specified. If the index list is empty, getrange
// behaves as an identity function and returns argv[0].
subArrayObj = javaObj;
subArrayClass = dereferenceClassDims(interp, javaClass, 1);
index = 0;
if (numArgs > 0) {
indexListObj = argv[optionIdx + 1];
numDims = TclList.getLength(interp, indexListObj);
if (numDims > 0) {
subArrayObj = dereferenceArrayDims(interp, javaObj, numDims, indexListObj);
subArrayClass = dereferenceClassDims(interp, javaClass, numDims);
index = TclInteger.getInt(interp, TclList.index(interp, indexListObj, numDims - 1));
}
}
// The variable "count" represents the number of elements to
// return. The default is the array size less the first index
// (the remaining elements of the array). If a count is
// specified and is smaller than the default, the default is
// overridden.
count = Array.getLength(subArrayObj) - index;
if (numArgs > 1) {
count = Math.min(count, TclInteger.getInt(interp, argv[optionIdx + 2]));
}
// Set the interpreter result to a TclList containing "count"
// elements
// of the "subArrayObj", starting with the index'th element.
interp.setResult(getArrayElts(interp, subArrayObj, subArrayClass, index, count, convert));
return;
case OPT_SETRANGE:
if ((numArgs < 1) || (numArgs > 3)) {
throw new TclNumArgsException(
interp, optionIdx + 1, argv, "?indexList ?count?? valueList");
}
if (convert == false) {
throw new TclException(
interp, "-noconvert flag not allowed for the \"setrange\" sub-command");
}
TclObject tclValueListObj = argv[argv.length - 1];
// If an index list is specified, dereference all but the last
// dimension specified. If the index list is empty, setrange
// initialized the array object as it would in the java::new
// command.
subArrayObj = javaObj;
subArrayClass = dereferenceClassDims(interp, javaClass, 1);
index = 0;
if (numArgs > 1) {
indexListObj = argv[optionIdx + 1];
numDims = TclList.getLength(interp, indexListObj);
if (numDims > 0) {
subArrayObj = dereferenceArrayDims(interp, javaObj, numDims, indexListObj);
subArrayClass = dereferenceClassDims(interp, javaClass, numDims);
index = TclInteger.getInt(interp, TclList.index(interp, indexListObj, numDims - 1));
}
}
// "count" represents the number of elements to set. The
// default is the minimum of the valueList size and array size
// less the first index (the remaining elements of the array).
// If a count is specified and is smaller than the default,
// the default is overridden.
count =
Math.min(
TclList.getLength(interp, tclValueListObj), Array.getLength(subArrayObj) - index);
if (numArgs > 2) {
count = Math.min(count, TclInteger.getInt(interp, argv[optionIdx + 2]));
}
// Set the value of "count" elements of the "subArrayObj", starting
// with the index'th element, to the values in tclValueListObj.
setArrayElts(interp, subArrayObj, subArrayClass, index, count, tclValueListObj);
interp.resetResult();
return;
}
}