public Class<?> getReturnType() throws ParseException {
if (getName().startsWith("new ")) {
String type = getName().substring(4);
return ClassUtils.forName(getPackages(), type);
} else if (StringUtils.isTyped(getName())) {
String type = getName();
return ClassUtils.forName(getPackages(), type);
} else if (StringUtils.isFunction(getName())) {
String name = getName().substring(1);
Class<?> t = getParameterTypes().get(name);
if (t != null && Expression.class.isAssignableFrom(t)) {
return Object.class;
} else {
name = ClassUtils.filterJavaKeyword(name);
Class<?>[] types = parameter.getReturnTypes();
Collection<Class<?>> functions = getFunctions();
if (functions != null && functions.size() > 0) {
for (Class<?> function : functions) {
try {
Method method = ClassUtils.searchMethod(function, name, types);
if (!Object.class.equals(method.getDeclaringClass())) {
return method.getReturnType();
}
} catch (NoSuchMethodException e) {
}
}
}
throw new ParseException(
"No such macro \""
+ name
+ "\" or import method \""
+ name
+ "\" with parameters "
+ Arrays.toString(types),
getOffset());
}
} else if (getName().equals("[")) {
Class<?>[] types = parameter.getReturnTypes();
if (Map.Entry.class.isAssignableFrom(types[0])) {
return Map.class;
} else {
Object array = Array.newInstance(types[0], 0);
return array.getClass();
}
} else if (getName().equals("!")) {
return boolean.class;
} else {
return parameter.getReturnType();
}
}
public String getCode() throws ParseException {
Class<?>[] types = parameter.getReturnTypes();
if (getName().startsWith("new ")) {
return getName() + "(" + parameter.getCode() + ")";
} else if (StringUtils.isTyped(getName())) {
return "(" + getName() + ")(" + parameter.getCode() + ")";
} else if (StringUtils.isFunction(getName())) {
String name = getName().substring(1);
Class<?> t = getParameterTypes().get(name);
if (t != null && Expression.class.isAssignableFrom(t)) {
return "("
+ name
+ " == null ? null : "
+ name
+ ".evaluate("
+ ClassUtils.class.getName()
+ ".toMap("
+ name
+ ".getParameterTypes().keySet(), new Object"
+ (parameter.getCode().length() == 0 ? "[0]" : "[] { " + parameter.getCode() + " }")
+ " )))";
} else {
name = ClassUtils.filterJavaKeyword(name);
Collection<Class<?>> functions = getFunctions();
if (functions != null && functions.size() > 0) {
for (Class<?> function : functions) {
try {
Method method = ClassUtils.searchMethod(function, name, types);
if (Object.class.equals(method.getDeclaringClass())) {
break;
}
if (Modifier.isStatic(method.getModifiers())) {
return function.getName()
+ "."
+ method.getName()
+ "("
+ parameter.getCode()
+ ")";
}
return "_"
+ function.getName().replace('.', '_')
+ "."
+ method.getName()
+ "("
+ parameter.getCode()
+ ")";
} catch (NoSuchMethodException e) {
}
}
}
throw new ParseException(
"No such macro \""
+ name
+ "\" or import method \""
+ name
+ "\" with parameters "
+ Arrays.toString(types),
getOffset());
}
} else if (getName().equals("[")) {
if (Map.Entry.class.isAssignableFrom(types[0])) {
return ClassUtils.class.getName()
+ ".toMap(new "
+ Map.Entry.class.getCanonicalName()
+ "[] {"
+ parameter.getCode()
+ "})";
} else {
return "new " + types[0].getCanonicalName() + "[] {" + parameter.getCode() + "}";
}
} else if (getName().equals("!") && !boolean.class.equals(types[0])) {
return "! (" + StringUtils.getConditionCode(types[0], parameter.getCode()) + ")";
} else {
if (parameter instanceof Operator && ((Operator) parameter).getPriority() < getPriority()) {
return getName() + " (" + parameter.getCode() + ")";
}
return getName() + " " + parameter.getCode();
}
}