private void checkSwitchExprType() {
boolean validType = false;
for (Class<?> clazz : supportedTypes) {
if (MetaClassFactory.get(clazz).isAssignableFrom(switchExprStmt.getType().asBoxed())) {
validType = true;
break;
}
}
if (!validType)
throw new InvalidTypeException(
"Type not permitted in switch statements:"
+ switchExprStmt.getType().getFullyQualifiedName());
}
@Override
public String generate(Context context) {
StringBuilder buf = new StringBuilder("switch (");
if (switchExpr == null) {
buf.append(switchExprStmt.generate(context)).append(") {\n ");
} else {
buf.append(switchExpr).append(") {\n ");
}
checkSwitchExprType();
if (!caseBlocks.isEmpty()) {
for (LiteralValue<?> value : caseBlocks.keySet()) {
if (!switchExprStmt
.getType()
.getErased()
.asBoxed()
.isAssignableFrom(value.getType().getErased())) {
throw new InvalidTypeException(
value.generate(context)
+ " is not a valid value for "
+ switchExprStmt.getType().getFullyQualifiedName());
}
// case labels must be unqualified
String val = value.generate(context);
int idx = val.lastIndexOf('.');
if (idx != -1) {
val = val.substring(idx + 1);
}
buf.append("case ")
.append(val)
.append(": ")
.append(getCaseBlock(value).generate(Context.create(context)))
.append("\n");
}
}
if (defaultBlock != null) {
buf.append("default: ").append(defaultBlock.generate(Context.create(context))).append("\n");
}
return buf.append("}").toString();
}