--- /dev/null
+/*
+ * Copyright (C) 2011 Google Inc.
+ *
+ * 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 com.google.gson.internal;
+
+import java.io.ObjectStreamException;
+import java.math.BigDecimal;
+
+/**
+ * This class holds a number value that is lazily converted to a specific number type
+ *
+ * @author Inderjeet Singh
+ */
+public final class LazilyParsedNumber extends Number {
+ private final String value;
+
+ public LazilyParsedNumber(String value) {
+ this.value = value;
+ }
+
+ @Override
+ public int intValue() {
+ try {
+ return Integer.parseInt(value);
+ } catch (NumberFormatException e) {
+ try {
+ return (int) Long.parseLong(value);
+ } catch (NumberFormatException nfe) {
+ return new BigDecimal(value).intValue();
+ }
+ }
+ }
+
+ @Override
+ public long longValue() {
+ try {
+ return Long.parseLong(value);
+ } catch (NumberFormatException e) {
+ return new BigDecimal(value).longValue();
+ }
+ }
+
+ @Override
+ public float floatValue() {
+ return Float.parseFloat(value);
+ }
+
+ @Override
+ public double doubleValue() {
+ return Double.parseDouble(value);
+ }
+
+ @Override
+ public String toString() {
+ return value;
+ }
+
+ /**
+ * If somebody is unlucky enough to have to serialize one of these, serialize
+ * it as a BigDecimal so that they won't need Gson on the other side to
+ * deserialize it.
+ */
+ private Object writeReplace() throws ObjectStreamException {
+ return new BigDecimal(value);
+ }
+}
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