forked from apache/nifi
/
HapiField.java
82 lines (68 loc) · 2.69 KB
/
HapiField.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.nifi.hl7.hapi;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.apache.nifi.hl7.model.HL7Component;
import org.apache.nifi.hl7.model.HL7Field;
import ca.uhn.hl7v2.model.Composite;
import ca.uhn.hl7v2.model.ExtraComponents;
import ca.uhn.hl7v2.model.Primitive;
import ca.uhn.hl7v2.model.Type;
import ca.uhn.hl7v2.parser.EncodingCharacters;
import ca.uhn.hl7v2.parser.PipeParser;
public class HapiField implements HL7Field, HL7Component {
private final String value;
private final List<HL7Component> components;
public HapiField(final Type type) {
this.value = PipeParser.encode(type, EncodingCharacters.defaultInstance());
final List<HL7Component> componentList = new ArrayList<>();
if (type instanceof Composite) {
final Composite composite = (Composite) type;
for (final Type component : composite.getComponents()) {
componentList.add(new HapiField(component));
}
}
final ExtraComponents extra = type.getExtraComponents();
if (extra != null && extra.numComponents() > 0) {
final String singleFieldValue;
if (type instanceof Primitive) {
singleFieldValue = ((Primitive) type).getValue();
} else {
singleFieldValue = this.value;
}
componentList.add(new SingleValueField(singleFieldValue));
for (int i = 0; i < extra.numComponents(); i++) {
componentList.add(new HapiField(extra.getComponent(i)));
}
}
this.components = Collections.unmodifiableList(componentList);
}
@Override
public String getValue() {
return value;
}
@Override
public List<HL7Component> getComponents() {
return components;
}
@Override
public String toString() {
return value;
}
}