1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
|
package org.perl.inline.java ;
import java.util.* ;
import java.lang.reflect.Array ;
class InlineJavaArray {
private InlineJavaClass ijc ;
InlineJavaArray(InlineJavaClass _ijc){
ijc = _ijc ;
}
Object CreateArray(Class c, StringTokenizer st) throws InlineJavaException {
StringBuffer sb = new StringBuffer(st.nextToken()) ;
sb.replace(0, 1, "") ;
sb.replace(sb.length() - 1, sb.length(), "") ;
StringTokenizer st2 = new StringTokenizer(sb.toString(), ",") ;
ArrayList<String> al = new ArrayList<>() ;
while (st2.hasMoreTokens()){
al.add(al.size(), st2.nextToken()) ;
}
int size = al.size() ;
int dims[] = new int[size] ;
for (int i = 0 ; i < size ; i++){
dims[i] = Integer.parseInt((String)al.get(i)) ;
InlineJavaUtils.debug(4, "array dimension: " + (String)al.get(i)) ;
}
Object array = null ;
try {
array = Array.newInstance(c, dims) ;
ArrayList<String> args = new ArrayList<>() ;
while (st.hasMoreTokens()){
args.add(args.size(), st.nextToken()) ;
}
// Now we need to fill it. Since we have an arbitrary number
// of dimensions, we can do this recursively.
PopulateArray(array, c, dims, args) ;
}
catch (IllegalArgumentException e){
throw new InlineJavaException("Arguments to array constructor for class " + c.getName() + " are incompatible: " + e.getMessage()) ;
}
return array ;
}
void PopulateArray (Object array, Class elem, int dims[], ArrayList args) throws InlineJavaException {
if (dims.length > 1){
int nb_args = args.size() ;
int nb_sub_dims = dims[0] ;
int nb_args_per_sub_dim = nb_args / nb_sub_dims ;
int sub_dims[] = new int[dims.length - 1] ;
for (int i = 1 ; i < dims.length ; i++){
sub_dims[i - 1] = dims[i] ;
}
for (int i = 0 ; i < nb_sub_dims ; i++){
// We want the args from i*nb_args_per_sub_dim ->
ArrayList<String> sub_args = new ArrayList<>() ;
for (int j = (i * nb_args_per_sub_dim) ; j < ((i + 1) * nb_args_per_sub_dim) ; j++){
sub_args.add(sub_args.size(), (String)args.get(j)) ;
}
PopulateArray(((Object [])array)[i], elem, sub_dims, sub_args) ;
}
}
else{
String msg = "In creation of array of " + elem.getName() + ": " ;
try {
for (int i = 0 ; i < dims[0] ; i++){
String arg = (String)args.get(i) ;
Object o = ijc.CastArgument(elem, arg) ;
Array.set(array, i, o) ;
if (o != null){
InlineJavaUtils.debug(4, "setting array element " + String.valueOf(i) + " to " + o.toString()) ;
}
else{
InlineJavaUtils.debug(4, "setting array element " + String.valueOf(i) + " to " + o) ;
}
}
}
catch (InlineJavaCastException e){
throw new InlineJavaCastException(msg + e.getMessage()) ;
}
catch (InlineJavaException e){
throw new InlineJavaException(msg + e.getMessage()) ;
}
}
}
}
|