com.azure.cosmos.encryption.implementation.mdesrc.cryptography.SqlSerializerFactory Maven / Gradle / Ivy
/*
* Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT License.
*/
package com.azure.cosmos.encryption.implementation.mdesrc.cryptography;
import java.text.MessageFormat;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/**
* Provides methods for getting serializer implementations, such as by type and ID.
*
*/
public class SqlSerializerFactory extends SerializerFactory {
public final static String BIGINT_ID = "bigint";
public final static String BINARY_ID = "binary";
public final static String BIT_ID = "bit";
public final static String CHAR_ID = "char";
public final static String DATE_ID = "date";
public final static String DATETIME2_ID = "datetime2";
public final static String DATETIMEOFFSET_ID = "datetimeoffset";
public final static String DATETIME_ID = "datetime";
public final static String DECIMAL_ID = "decimal";
public final static String NUMERIC_ID = "numeric";
public final static String FLOAT_ID = "float";
public final static String INTEGER_ID = "integer";
public final static String MONEY_ID = "money";
public final static String NCHAR_ID = "nchar";
public final static String NVARCHAR_ID = "nvarchar";
public final static String REAL_ID = "real";
public final static String SMALLDATETIME_ID = "smalldatetime";
public final static String SMALLINT_ID = "smallint";
public final static String SMALLMONEY_ID = "smallmoney";
public final static String TIME_ID = "time";
public final static String TINYINT_ID = "tinyint";
public final static String UNIQUEIDENTIFIER_ID = "uniqueidentifier";
public final static String VARBINARY_ID = "varbinary";
public final static String VARCHAR_ID = "varchar";
private Map serializerByIdentifier = new ConcurrentHashMap();
private Map serializerByType = new ConcurrentHashMap();
private static Map serializerCache = new ConcurrentHashMap();
/**
* Initializes a new instance of the SqlSerializerFactory class.
*
* @throws MicrosoftDataEncryptionException
* on error
*/
public SqlSerializerFactory() throws MicrosoftDataEncryptionException {
initialize();
}
/**
* Gets a registered serializer by its Identifier Property. The accepted Strings can be found from the static IDs
* provided by this factory class.
*
* @param id
* The identifier uniquely identifies a particular Serializer implementation.
* @return The ISerializer implementation
* @throws MicrosoftDataEncryptionException
* on error
*/
@Override
public ISerializer getSerializer(String id) throws MicrosoftDataEncryptionException {
Utils.validateNotNull(id, "Serializer id");
return serializerByIdentifier.get(id);
}
/**
* Returns a cached instance of the ISerializer or, if not present, creates a new one.
*
* @param id
* The type of serializer to get or create.
* @param size
* The maximum size of value.
* @param precision
* The maximum number of digits.
* @param scale
* The number of decimal places.
* @return a serializer for the corresponding type.
* @throws MicrosoftDataEncryptionException
* on error
*/
public static ISerializer getOrCreate(String id, int size, int precision, int scale) throws MicrosoftDataEncryptionException {
return getOrCreate(id, size, precision, scale, null);
}
/**
* Returns a cached instance of the ISerializer or, if not present, creates a new one.
*
* @param id
* The type of serializer to get or create.
* @param size
* The maximum size of value.
* @param precision
* The maximum number of digits.
* @param scale
* The number of decimal places.
* @param codepage
* The code page to represent the value.
* @return a serializer for the corresponding type.
* @throws MicrosoftDataEncryptionException
* on error
*/
public static ISerializer getOrCreate(String id, int size, int precision, int scale,
String codepage) throws MicrosoftDataEncryptionException {
ISerializer s = serializerCache.get(new Type(id, size, precision, scale, codepage));
if (null == s) {
s = createSerializer(id, size, precision, scale, true, codepage);
}
return s;
}
private static ISerializer createSerializer(String id, int size, int precision, int scale, boolean isByType,
String codepage) throws MicrosoftDataEncryptionException {
ISerializer s = null;
switch (id.toLowerCase()) {
case BIGINT_ID:
s = new SqlBigIntSerializer(size, precision, scale);
break;
case BINARY_ID:
s = new SqlBinarySerializer(size, precision, scale);
break;
case BIT_ID:
s = new SqlBooleanSerializer(size, precision, scale);
break;
case CHAR_ID:
s = new SqlCharSerializer(size, precision, scale);
((SqlCharSerializer) s).setCodepage(codepage);
break;
case DATE_ID:
s = new SqlDateSerializer(size, precision, scale);
break;
case DATETIME2_ID:
s = new SqlDatetime2Serializer(size, precision, scale);
break;
case DATETIMEOFFSET_ID:
s = new SqlDatetimeoffsetSerializer(size, precision, scale);
break;
case DATETIME_ID:
s = new SqlDatetimeSerializer(size, precision, scale);
break;
case DECIMAL_ID:
s = new SqlDecimalSerializer(size, precision, scale);
break;
case NUMERIC_ID:
s = new SqlNumericSerializer(size, precision, scale);
break;
case FLOAT_ID:
s = new SqlFloatSerializer(size, precision, scale);
break;
case INTEGER_ID:
s = new SqlIntegerSerializer(size, precision, scale);
break;
case MONEY_ID:
s = new SqlMoneySerializer(size, precision, scale);
break;
case NCHAR_ID:
s = new SqlNcharSerializer(size, precision, scale);
((SqlNcharSerializer) s).setCodepage(codepage);
break;
case NVARCHAR_ID:
s = new SqlNvarcharSerializer(size, precision, scale);
((SqlNvarcharSerializer) s).setCodepage(codepage);
break;
case REAL_ID:
s = new SqlRealSerializer(size, precision, scale);
break;
case SMALLDATETIME_ID:
s = new SqlSmalldatetimeSerializer(size, precision, scale);
break;
case SMALLINT_ID:
s = new SqlSmallintSerializer(size, precision, scale);
break;
case SMALLMONEY_ID:
s = new SqlSmallmoneySerializer(size, precision, scale);
break;
case TIME_ID:
s = new SqlTimeSerializer(size, precision, scale);
break;
case TINYINT_ID:
s = new SqlTinyintSerializer(size, precision, scale);
break;
case UNIQUEIDENTIFIER_ID:
s = new SqlUniqueidentifierSerializer(size, precision, scale);
break;
case VARBINARY_ID:
s = new SqlVarbinarySerializer(size, precision, scale);
break;
case VARCHAR_ID:
s = new SqlVarcharSerializer(size, precision, scale);
((SqlVarcharSerializer) s).setCodepage(codepage);
break;
default:
MessageFormat form = new MessageFormat(MicrosoftDataEncryptionExceptionResource.getResource("R_InvalidSerializerName"));
Object[] msgArgs = {id.toLowerCase()};
throw new MicrosoftDataEncryptionException(form.format(msgArgs));
}
serializerCache.put(new Type(id, size, precision, scale, codepage), s);
return s;
}
private Serializer createSerializer(String id) throws MicrosoftDataEncryptionException {
Serializer s = null;
switch (id) {
case "java.lang.Boolean":
s = new SqlBooleanSerializer(0, 0, 0);
break;
case "java.lang.Integer":
s = new SqlIntegerSerializer(0, 0, 0);
break;
case "java.lang.Long":
s = new SqlBigIntSerializer(0, 0, 0);
break;
case "java.lang.Byte":
s = new SqlBinarySerializer(0, 0, 0);
break;
case "java.lang.Double":
s = new SqlFloatSerializer(0, 0, 0);
break;
case "java.lang.Float":
s = new SqlRealSerializer(0, 0, 0);
break;
case "java.lang.String":
s = new SqlVarcharSerializer(0, 0, 0);
break;
case "java.lang.Character":
s = new SqlCharSerializer(0, 0, 0);
break;
case "java.util.UUID":
s = new SqlUniqueidentifierSerializer(0, 0, 0);
break;
case "java.util.Date":
s = new SqlDateSerializer(0, 0, 0);
break;
default:
MessageFormat form = new MessageFormat(MicrosoftDataEncryptionExceptionResource.getResource("R_InvalidSerializerName"));
Object[] msgArgs = {id.toLowerCase()};
throw new MicrosoftDataEncryptionException(form.format(msgArgs));
}
serializerByIdentifier.put(id, s);
return s;
}
@Override
public ISerializer getDefaultSerializer(Class clazz) throws MicrosoftDataEncryptionException {
ISerializer s = serializerByIdentifier.get(clazz.getName());
if (null == s) {
s = createSerializer(clazz.getName());
}
return s;
}
@Override
public void registerSerializer(Type type, ISerializer sqlSerializer, boolean overrideDefault) {
serializerByIdentifier.put(type.getId(), sqlSerializer);
if (overrideDefault || !hasDefaultSqlSerializer(type)) {
serializerByType.put(type, sqlSerializer);
}
}
private void initialize() throws MicrosoftDataEncryptionException {
registerDefaultSqlSerializers();
}
private void registerDefaultSqlSerializers() throws MicrosoftDataEncryptionException {
registerSerializer(new Type(BIGINT_ID, 0, 0, 0, null), new SqlBigIntSerializer(0, 0, 0), false);
registerSerializer(new Type(BINARY_ID, 0, 0, 0, null), new SqlBinarySerializer(0, 0, 0), false);
registerSerializer(new Type(BIT_ID, 0, 0, 0, null), new SqlBooleanSerializer(0, 0, 0), false);
registerSerializer(new Type(CHAR_ID, 0, 0, 0, null), new SqlCharSerializer(0, 0, 0), false);
registerSerializer(new Type(DATE_ID, 0, 0, 0, null), new SqlDateSerializer(0, 0, 0), false);
registerSerializer(new Type(DATETIME2_ID, 0, 0, 0, null), new SqlDatetime2Serializer(0, 0, 0), false);
registerSerializer(new Type(DATETIMEOFFSET_ID, 0, 0, 0, null), new SqlDatetimeoffsetSerializer(0, 0, 0), false);
registerSerializer(new Type(DATETIME_ID, 0, 0, 0, null), new SqlDatetimeSerializer(0, 0, 0), false);
registerSerializer(new Type(DECIMAL_ID, 0, 0, 0, null), new SqlDecimalSerializer(0, 0, 0), false);
registerSerializer(new Type(NUMERIC_ID, 0, 0, 0, null), new SqlNumericSerializer(0, 0, 0), false);
registerSerializer(new Type(FLOAT_ID, 0, 0, 0, null), new SqlFloatSerializer(0, 0, 0), false);
registerSerializer(new Type(INTEGER_ID, 0, 0, 0, null), new SqlIntegerSerializer(0, 0, 0), false);
registerSerializer(new Type(MONEY_ID, 0, 0, 0, null), new SqlMoneySerializer(0, 0, 0), false);
registerSerializer(new Type(NCHAR_ID, 0, 0, 0, null), new SqlNcharSerializer(0, 0, 0), false);
registerSerializer(new Type(NVARCHAR_ID, 0, 0, 0, null), new SqlNvarcharSerializer(0, 0, 0), false);
registerSerializer(new Type(REAL_ID, 0, 0, 0, null), new SqlRealSerializer(0, 0, 0), false);
registerSerializer(new Type(SMALLDATETIME_ID, 0, 0, 0, null), new SqlSmalldatetimeSerializer(0, 0, 0), false);
registerSerializer(new Type(SMALLINT_ID, 0, 0, 0, null), new SqlSmallintSerializer(0, 0, 0), false);
registerSerializer(new Type(SMALLMONEY_ID, 0, 0, 0, null), new SqlSmallmoneySerializer(0, 0, 0), false);
registerSerializer(new Type(TIME_ID, 0, 0, 0, null), new SqlTimeSerializer(0, 0, 0), false);
registerSerializer(new Type(TINYINT_ID, 0, 0, 0, null), new SqlTinyintSerializer(0, 0, 0), false);
registerSerializer(new Type(UNIQUEIDENTIFIER_ID, 0, 0, 0, null), new SqlUniqueidentifierSerializer(0, 0, 0),
false);
registerSerializer(new Type(VARBINARY_ID, 0, 0, 0, null), new SqlVarbinarySerializer(0, 0, 0), false);
registerSerializer(new Type(VARCHAR_ID, 0, 0, 0, null), new SqlVarcharSerializer(0, 0, 0), false);
}
private boolean hasDefaultSqlSerializer(Type type) {
return serializerByType.containsKey(type);
}
}
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