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Adding new type adapters for BigInteger and BigDecimal types.

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This commit is contained in:
Joel Leitch 2011-08-12 02:20:48 +00:00
parent 57ea7ff9f3
commit 70965eae03
3 changed files with 89 additions and 0 deletions
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7
gson/src/main/java/com/google/gson/Gson.java
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@ -18,6 +18,8 @@ package com.google.gson;
import com.google.gson.internal.Streams;
import com.google.gson.internal.bind.ArrayTypeAdapter;
import com.google.gson.internal.bind.BigDecimalTypeAdapter;
import com.google.gson.internal.bind.BigIntegerTypeAdapter;
import com.google.gson.internal.bind.CollectionTypeAdapter;
import com.google.gson.internal.bind.MiniGson;
import com.google.gson.internal.bind.ReflectiveTypeAdapter;
@ -29,6 +31,7 @@ import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonToken;
import com.google.gson.stream.JsonWriter;
import com.google.gson.stream.MalformedJsonException;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
@ -37,6 +40,8 @@ import java.io.Writer;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.lang.reflect.Type;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
@ -231,6 +236,8 @@ public final class Gson {
.factory(TypeAdapters.newFactory(long.class, Long.class,
longAdapter(longSerializationPolicy)))
.factory(TypeAdapters.STRING_FACTORY)
.typeAdapter(BigDecimal.class, new BigDecimalTypeAdapter())
.typeAdapter(BigInteger.class, new BigIntegerTypeAdapter())
.factory(excludedTypeFactory)
.factory(new GsonToMiniGsonTypeAdapter(serializers, deserializers, serializeNulls))
.factory(CollectionTypeAdapter.FACTORY)

41
gson/src/main/java/com/google/gson/internal/bind/BigDecimalTypeAdapter.java Normal file
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@ -0,0 +1,41 @@
/*
* 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.bind;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;
import java.io.IOException;
import java.math.BigDecimal;
/**
* Adapts a BigDecimal type to and from its JSON representation.
*
* @author Joel Leitch
*/
public class BigDecimalTypeAdapter extends TypeAdapter<BigDecimal> {
@Override
public BigDecimal read(JsonReader reader) throws IOException {
return new BigDecimal(reader.nextString());
}
@Override
public void write(JsonWriter writer, BigDecimal value) throws IOException {
writer.value(value);
}
}

41
gson/src/main/java/com/google/gson/internal/bind/BigIntegerTypeAdapter.java Normal file
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@ -0,0 +1,41 @@
/*
* 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.bind;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;
import java.io.IOException;
import java.math.BigInteger;
/**
* Adapts a BigInteger type to and from its JSON representation.
*
* @author Joel Leitch
*/
public class BigIntegerTypeAdapter extends TypeAdapter<BigInteger> {
@Override
public BigInteger read(JsonReader reader) throws IOException {
return new BigInteger(reader.nextString());
}
@Override
public void write(JsonWriter writer, BigInteger value) throws IOException {
writer.value(value);
}
}