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A library jar that provides APIs for Applications written for the Google Android Platform.
/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package libcore.reflect;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;
import libcore.util.EmptyArray;
public final class ListOfTypes {
public static final ListOfTypes EMPTY = new ListOfTypes(0);
private final ArrayList types;
private Type[] resolvedTypes;
ListOfTypes(int capacity) {
types = new ArrayList(capacity);
}
ListOfTypes(Type[] types) {
this.types = new ArrayList(types.length);
for (Type type : types) {
this.types.add(type);
}
}
void add(Type type) {
if (type == null) {
throw new NullPointerException("type == null");
}
types.add(type);
}
int length() {
return types.size();
}
public Type[] getResolvedTypes() {
Type[] result = resolvedTypes;
if (result == null) {
result = resolveTypes(types);
resolvedTypes = result;
}
return result;
}
private Type[] resolveTypes(List unresolved) {
int size = unresolved.size();
if (size == 0) {
return EmptyArray.TYPE;
}
Type[] result = new Type[size];
for (int i = 0; i < size; i++) {
Type type = unresolved.get(i);
if (type instanceof ParameterizedTypeImpl) {
result[i] = ((ParameterizedTypeImpl) type).getResolvedType();
} else {
result[i] = type;
}
}
return result;
}
@Override public String toString() {
StringBuilder result = new StringBuilder();
for (int i = 0; i < types.size(); i++) {
if (i > 0) {
result.append(", ");
}
result.append(types.get(i));
}
return result.toString();
}
}