org.camunda.bpm.engine.impl.variable.serializer.ByteArrayValueSerializer Maven / Gradle / Ivy
/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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.camunda.bpm.engine.impl.variable.serializer;
import java.io.InputStream;
import org.camunda.bpm.engine.impl.util.IoUtil;
import org.camunda.bpm.engine.variable.Variables;
import org.camunda.bpm.engine.variable.impl.value.UntypedValueImpl;
import org.camunda.bpm.engine.variable.type.ValueType;
import org.camunda.bpm.engine.variable.value.BytesValue;
import org.camunda.bpm.engine.variable.value.TypedValue;
/**
* @author Tom Baeyens
* @author Daniel Meyer
*/
public class ByteArrayValueSerializer extends PrimitiveValueSerializer {
public ByteArrayValueSerializer() {
super(ValueType.BYTES);
}
public BytesValue convertToTypedValue(UntypedValueImpl untypedValue) {
Object value = untypedValue.getValue();
if (value instanceof byte[]) {
return Variables.byteArrayValue((byte[]) value, untypedValue.isTransient());
} else {
byte[] data = IoUtil.readInputStream((InputStream) value, null);
return Variables.byteArrayValue(data, untypedValue.isTransient());
}
}
public BytesValue readValue(ValueFields valueFields, boolean asTransientValue) {
return Variables.byteArrayValue(valueFields.getByteArrayValue(), asTransientValue);
}
public void writeValue(BytesValue variableValue, ValueFields valueFields) {
valueFields.setByteArrayValue(variableValue.getValue());
}
@Override
protected boolean canWriteValue(TypedValue typedValue) {
return super.canWriteValue(typedValue) || typedValue.getValue() instanceof InputStream;
}
}