| /* |
| * Copyright 2000-2010 JetBrains s.r.o. |
| * |
| * 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 org.jetbrains.android.dom.converters; |
| |
| import com.intellij.util.xml.ConvertContext; |
| import com.intellij.util.xml.ResolvingConverter; |
| import org.jetbrains.android.util.AndroidResourceUtil; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| /** |
| * @author Eugene.Kudelevsky |
| */ |
| public class IntegerConverter extends ResolvingConverter<String> { |
| public static final IntegerConverter INSTANCE = new IntegerConverter(); |
| |
| public IntegerConverter() { |
| } |
| |
| @NotNull |
| @Override |
| public Collection<? extends String> getVariants(ConvertContext context) { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public String fromString(@Nullable @NonNls String s, ConvertContext context) { |
| if (s == null || AndroidResourceUtil.isIdDeclaration(s) || AndroidResourceUtil.isIdReference(s)) { |
| return s; |
| } |
| try { |
| // Can't use Integer.decode since it will overflow for values like 0xff4861ec. |
| // Use Long.decode instead, but reject values larger than what will fit in an integer |
| Long l = Long.decode(s); |
| if (l >= 0x100000000L || l <= -0xffffffffL) { |
| return null; |
| } |
| } |
| catch (NumberFormatException e) { |
| return null; |
| } |
| return s; |
| } |
| |
| @Override |
| public String toString(@Nullable String s, ConvertContext context) { |
| return s; |
| } |
| } |