Package org.jboss.errai.marshalling.client.marshallers

Source Code of org.jboss.errai.marshalling.client.marshallers.BigIntegerMarshaller

/*
* Copyright 2011 JBoss, by Red Hat, 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 org.jboss.errai.marshalling.client.marshallers;

import java.math.BigInteger;

import org.jboss.errai.common.client.protocols.SerializationParts;
import org.jboss.errai.marshalling.client.api.MarshallingSession;
import org.jboss.errai.marshalling.client.api.annotations.ClientMarshaller;
import org.jboss.errai.marshalling.client.api.annotations.ServerMarshaller;
import org.jboss.errai.marshalling.client.api.json.EJValue;

/**
* @author Mike Brock
*/
@ClientMarshaller @ServerMarshaller
public class BigIntegerMarshaller extends AbstractNullableMarshaller<BigInteger> {

  @Override
  public Class<BigInteger> getTypeHandled() {
    return BigInteger.class;
  }
 
  @Override
  public BigInteger[] getEmptyArray() {
    return new BigInteger[0];
  }
 
  @Override
  public BigInteger doNotNullDemarshall(final EJValue o, final MarshallingSession ctx) {
    if (o.isObject() != null) {
      final EJValue qualifiedValue = o.isObject().get(SerializationParts.QUALIFIED_VALUE);
      if (!qualifiedValue.isNull() && qualifiedValue.isString() != null) {
        return new BigInteger(qualifiedValue.isString().stringValue());
      }
      final EJValue numericValue = o.isObject().get(SerializationParts.NUMERIC_VALUE);
      if (!numericValue.isNull() && numericValue.isNumber() != null) {
        return new BigInteger(numericValue.getRawValue().toString());
      }
      if (!numericValue.isNull() && numericValue.isString() != null) {
        return new BigInteger(numericValue.isString().stringValue());
      }
    }
    return null;
  }

  @Override
  public String doNotNullMarshall(final BigInteger o, final MarshallingSession ctx) {
    return "{\"" + SerializationParts.ENCODED_TYPE + "\":\"" + BigInteger.class.getName() + "\"," +
            "\"" + SerializationParts.OBJECT_ID + "\":\"" + o.hashCode() + "\"," +
            "\"" + SerializationParts.QUALIFIED_VALUE + "\":\"" + o.toString() + "\"}";
  }
}
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