/*
* Copyright 2010-2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.amazonaws.transform;
import com.amazonaws.SdkClientException;
import com.amazonaws.util.Base64;
import com.amazonaws.util.DateUtils;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.util.Date;
public class SimpleTypeJsonUnmarshallers {
/**
* Unmarshaller for String values.
*/
public static class StringJsonUnmarshaller implements Unmarshaller<String, JsonUnmarshallerContext> {
public String unmarshall(JsonUnmarshallerContext unmarshallerContext) throws Exception {
return unmarshallerContext.readText();
}
private static final StringJsonUnmarshaller instance = new StringJsonUnmarshaller();
public static StringJsonUnmarshaller getInstance() {
return instance;
}
}
/**
* Unmarshaller for fields with JSON values. For headers, JSON values are base-64 encoded and are decoded here. For payloads,
* JSON values are treated like normal strings.
*/
public static class JsonValueStringUnmarshaller extends StringJsonUnmarshaller {
public String unmarshall(JsonUnmarshallerContext unmarshallerContext) throws Exception {
String stringValue = super.unmarshall(unmarshallerContext);
return !unmarshallerContext.isInsideResponseHeader()
? stringValue
: new String(Base64.decode(stringValue), Charset.forName("utf-8"));
}
private static final JsonValueStringUnmarshaller INSTANCE = new JsonValueStringUnmarshaller();
public static JsonValueStringUnmarshaller getInstance() {
return INSTANCE;
}
}
/**
* Unmarshaller for Double values.
*/
public static class DoubleJsonUnmarshaller implements Unmarshaller<Double, JsonUnmarshallerContext> {
public Double unmarshall(JsonUnmarshallerContext unmarshallerContext) throws Exception {
String doubleString = unmarshallerContext.readText();
return (doubleString == null) ? null : Double.parseDouble(doubleString);
}
private static final DoubleJsonUnmarshaller instance = new DoubleJsonUnmarshaller();
public static DoubleJsonUnmarshaller getInstance() {
return instance;
}
}
/**
* Unmarshaller for Integer values.
*/
public static class IntegerJsonUnmarshaller implements Unmarshaller<Integer, JsonUnmarshallerContext> {
public Integer unmarshall(JsonUnmarshallerContext unmarshallerContext) throws Exception {
String intString = unmarshallerContext.readText();
return (intString == null) ? null : Integer.parseInt(intString);
}
private static final IntegerJsonUnmarshaller instance = new IntegerJsonUnmarshaller();
public static IntegerJsonUnmarshaller getInstance() {
return instance;
}
}
public static class BigIntegerJsonUnmarshaller implements Unmarshaller<BigInteger, JsonUnmarshallerContext> {
public BigInteger unmarshall(JsonUnmarshallerContext unmarshallerContext) throws Exception {
String intString = unmarshallerContext.readText();
return (intString == null) ? null : new BigInteger(intString);
}
private static final BigIntegerJsonUnmarshaller instance = new BigIntegerJsonUnmarshaller();
public static BigIntegerJsonUnmarshaller getInstance() {
return instance;
}
}
public static class BigDecimalJsonUnmarshaller implements Unmarshaller<BigDecimal, JsonUnmarshallerContext> {
public BigDecimal unmarshall(JsonUnmarshallerContext unmarshallerContext) throws Exception {
String s = unmarshallerContext.readText();
return (s == null) ? null : new BigDecimal(s);
}
private static final BigDecimalJsonUnmarshaller instance = new BigDecimalJsonUnmarshaller();
public static BigDecimalJsonUnmarshaller getInstance() {
return instance;
}
}
/**
* Unmarshaller for Boolean values.
*/
public static class BooleanJsonUnmarshaller implements Unmarshaller<Boolean, JsonUnmarshallerContext> {
public Boolean unmarshall(JsonUnmarshallerContext unmarshallerContext) throws Exception {
String booleanString = unmarshallerContext.readText();
return (booleanString == null) ? null : Boolean.parseBoolean(booleanString);
}
private static final BooleanJsonUnmarshaller instance = new BooleanJsonUnmarshaller();
public static BooleanJsonUnmarshaller getInstance() {
return instance;
}
}
/**
* Unmarshaller for Float values.
*/
public static class FloatJsonUnmarshaller implements Unmarshaller<Float, JsonUnmarshallerContext> {
public Float unmarshall(JsonUnmarshallerContext unmarshallerContext) throws Exception {
String floatString = unmarshallerContext.readText();
return (floatString == null) ? null : Float.valueOf(floatString);
}
private static final FloatJsonUnmarshaller instance = new FloatJsonUnmarshaller();
public static FloatJsonUnmarshaller getInstance() {
return instance;
}
}
/**
* Unmarshaller for Long values.
*/
public static class LongJsonUnmarshaller implements Unmarshaller<Long, JsonUnmarshallerContext> {
public Long unmarshall(JsonUnmarshallerContext unmarshallerContext) throws Exception {
String longString = unmarshallerContext.readText();
return (longString == null) ? null : Long.parseLong(longString);
}
private static final LongJsonUnmarshaller instance = new LongJsonUnmarshaller();
public static LongJsonUnmarshaller getInstance() {
return instance;
}
}
/**
* Unmarshaller for Byte values.
*/
public static class ByteJsonUnmarshaller implements Unmarshaller<Byte, JsonUnmarshallerContext> {
public Byte unmarshall(JsonUnmarshallerContext unmarshallerContext) throws Exception {
String byteString = unmarshallerContext.readText();
return (byteString == null) ? null : Byte.valueOf(byteString);
}
private static final ByteJsonUnmarshaller instance = new ByteJsonUnmarshaller();
public static ByteJsonUnmarshaller getInstance() {
return instance;
}
}
/**
* Unmarshaller for Date values - JSON dates come in as epoch seconds.
*/
public static class DateJsonUnmarshaller implements Unmarshaller<Date, JsonUnmarshallerContext> {
public Date unmarshall(JsonUnmarshallerContext unmarshallerContext)
throws Exception {
return DateUtils.parseServiceSpecificDate(unmarshallerContext
.readText());
}
private static final DateJsonUnmarshaller instance = new DateJsonUnmarshaller();
public static DateJsonUnmarshaller getInstance() {
return instance;
}
}
/**
* Unmarshaller for ByteBuffer values.
*/
public static class ByteBufferJsonUnmarshaller implements Unmarshaller<ByteBuffer, JsonUnmarshallerContext> {
public ByteBuffer unmarshall(JsonUnmarshallerContext unmarshallerContext) throws Exception {
String base64EncodedString = unmarshallerContext.readText();
if (base64EncodedString == null) {
return null;
}
byte[] decodedBytes = Base64.decode(base64EncodedString);
return ByteBuffer.wrap(decodedBytes);
}
private static final ByteBufferJsonUnmarshaller instance = new ByteBufferJsonUnmarshaller();
public static ByteBufferJsonUnmarshaller getInstance() {
return instance;
}
}
/**
* Unmarshaller for Character values.
*/
public static class CharacterJsonUnmarshaller implements Unmarshaller<Character, JsonUnmarshallerContext> {
public Character unmarshall(JsonUnmarshallerContext unmarshallerContext) throws Exception {
String charString = unmarshallerContext.readText();
if (charString == null) return null;
charString = charString.trim();
if (charString.isEmpty() || charString.length() > 1)
throw new SdkClientException("'" + charString
+ "' cannot be converted to Character");
return Character.valueOf(charString.charAt(0));
}
private static final CharacterJsonUnmarshaller instance = new CharacterJsonUnmarshaller();
public static CharacterJsonUnmarshaller getInstance() {
return instance;
}
}
/**
* Unmarshaller for Short values.
*/
public static class ShortJsonUnmarshaller implements Unmarshaller<Short, JsonUnmarshallerContext> {
public Short unmarshall(JsonUnmarshallerContext unmarshallerContext) throws Exception {
String shortString = unmarshallerContext.readText();
return (shortString == null) ? null : Short.valueOf(shortString);
}
private static final ShortJsonUnmarshaller instance = new ShortJsonUnmarshaller();
public static ShortJsonUnmarshaller getInstance() {
return instance;
}
}
}