package ca.uhn.fhir.parser;
/*
* #%L
* HAPI FHIR Library
* %%
* Copyright (C) 2014 University Health Network
* %%
* 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.
* #L%
*/
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.Writer;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.UUID;
import ca.uhn.fhir.context.BaseRuntimeChildDefinition;
import ca.uhn.fhir.context.BaseRuntimeDeclaredChildDefinition;
import ca.uhn.fhir.context.ConfigurationException;
import ca.uhn.fhir.context.RuntimeChildChoiceDefinition;
import ca.uhn.fhir.model.api.Bundle;
import ca.uhn.fhir.model.api.IElement;
import ca.uhn.fhir.model.api.IResource;
import ca.uhn.fhir.model.api.TagList;
import ca.uhn.fhir.model.dstu.composite.ResourceReferenceDt;
import ca.uhn.fhir.model.primitive.IdDt;
public abstract class BaseParser implements IParser {
private boolean mySuppressNarratives;
@Override
public TagList parseTagList(String theString) {
return parseTagList(new StringReader(theString));
}
@SuppressWarnings("cast")
@Override
public <T extends IResource> T parseResource(Class<T> theResourceType, String theMessageString) {
StringReader reader = new StringReader(theMessageString);
return (T) parseResource(theResourceType, reader);
}
@Override
public Bundle parseBundle(String theXml) throws ConfigurationException, DataFormatException {
StringReader reader = new StringReader(theXml);
return parseBundle(reader);
}
@Override
public String encodeResourceToString(IResource theResource) throws DataFormatException {
Writer stringWriter = new StringWriter();
try {
encodeResourceToWriter(theResource, stringWriter);
} catch (IOException e) {
throw new Error("Encountered IOException during write to string - This should not happen!");
}
return stringWriter.toString();
}
@Override
public String encodeTagListToString(TagList theTagList) {
Writer stringWriter = new StringWriter();
try {
encodeTagListToWriter(theTagList, stringWriter);
} catch (IOException e) {
throw new Error("Encountered IOException during write to string - This should not happen!");
}
return stringWriter.toString();
}
@Override
public String encodeBundleToString(Bundle theBundle) throws DataFormatException {
if (theBundle == null) {
throw new NullPointerException("Bundle can not be null");
}
StringWriter stringWriter = new StringWriter();
try {
encodeBundleToWriter(theBundle, stringWriter);
} catch (IOException e) {
throw new Error("Encountered IOException during write to string - This should not happen!");
}
return stringWriter.toString();
}
@Override
public IResource parseResource(String theMessageString) throws ConfigurationException, DataFormatException {
return parseResource(null, theMessageString);
}
@Override
public Bundle parseBundle(Reader theReader) {
return parseBundle(null, theReader);
}
@Override
public IResource parseResource(Reader theReader) throws ConfigurationException, DataFormatException {
return parseResource(null, theReader);
}
public void containResourcesForEncoding(IResource theResource) {
List<ResourceReferenceDt> allElements = theResource.getAllPopulatedChildElementsOfType(ResourceReferenceDt.class);
Set<String> allIds = new HashSet<String>();
for (ResourceReferenceDt next : allElements) {
IResource resource = next.getResource();
if (resource != null) {
if (resource.getId().isEmpty()) {
resource.setId(new IdDt(UUID.randomUUID().toString()));
}
if (!allIds.contains(resource.getId().getValue())) {
theResource.getContained().getContainedResources().add(resource);
allIds.add(resource.getId().getValue());
}
next.setReference("#" + resource.getId().getValue());
}
}
}
protected void throwExceptionForUnknownChildType(BaseRuntimeChildDefinition nextChild, Class<? extends IElement> type) {
if (nextChild instanceof BaseRuntimeDeclaredChildDefinition) {
StringBuilder b = new StringBuilder();
b.append(((BaseRuntimeDeclaredChildDefinition) nextChild).getElementName());
b.append(" has type ");
b.append(type);
b.append(" but this is not a valid type for this element");
if (nextChild instanceof RuntimeChildChoiceDefinition) {
RuntimeChildChoiceDefinition choice = (RuntimeChildChoiceDefinition) nextChild;
b.append(" - Expected one of: " + choice.getValidChildTypes());
}
throw new DataFormatException(b.toString());
}
throw new DataFormatException(nextChild + " has no child of type " + type);
}
@Override
public IParser setSuppressNarratives(boolean theSuppressNarratives) {
mySuppressNarratives = theSuppressNarratives;
return this;
}
/**
* If set to <code>true</code> (default is <code>false</code>), narratives
* will not be included in the encoded values.
*/
public boolean getSuppressNarratives() {
return mySuppressNarratives;
}
}