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/*******************************************************************************
* Copyright (c) 2015 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.ui.data.model.editor;
import static org.eclipse.osee.framework.core.enums.CoreAttributeTypes.GraphitiDiagram;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.function.BiFunction;
import java.util.logging.Level;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.URIConverter;
import org.eclipse.emf.ecore.resource.impl.URIHandlerImpl;
import org.eclipse.osee.framework.core.data.BranchId;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.framework.core.data.TokenFactory;
import org.eclipse.osee.framework.jdk.core.util.Lib;
import org.eclipse.osee.framework.jdk.core.util.io.StringOutputStream;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.framework.skynet.core.artifact.Artifact;
import org.eclipse.osee.framework.skynet.core.artifact.BranchManager;
import org.eclipse.osee.framework.skynet.core.artifact.search.ArtifactQuery;
/**
* @author Ryan D. Brooks
*/
public class ArtifactURIHandler extends URIHandlerImpl {
private final String txComment;
public ArtifactURIHandler(String txComment) {
this.txComment = txComment;
}
@Override
public boolean canHandle(URI uri) {
return "osee".equals(uri.scheme());
}
@Override
public InputStream createInputStream(URI uri, Map<?, ?> options) {
return createStream(uri, this::createInputStream);
}
private InputStream createInputStream(Artifact artifact, Long attributeId) {
try {
Object value = artifact.getAttributeById(attributeId, false).getValue();
return Lib.stringToInputStream(value.toString());
} catch (UnsupportedEncodingException ex) {
OseeLog.log(ArtifactURIHandler.class, Level.SEVERE, ex);
throw OseeCoreException.wrap(ex);
}
}
private <T> T createStream(URI uri, BiFunction<Artifact, Long, T> function) {
String[] segments = uri.segments();
BranchId branch = TokenFactory.createBranch(Long.parseLong(segments[0]));
Artifact artifact = ArtifactQuery.getArtifactFromId(Long.parseLong(segments[2]), branch);
Long attributeId = Long.parseLong(segments[4]);
return function.apply(artifact, attributeId);
}
@Override
public boolean exists(URI uri, Map<?, ?> options) {
return true;
}
@Override
public OutputStream createOutputStream(URI uri, Map<?, ?> options) {
return createStream(uri, this::createOutputStream);
}
private OutputStream createOutputStream(Artifact artifact, Long attributeId) {
return new StringOutputStream(value -> {
artifact.setSoleAttributeFromString(GraphitiDiagram, value);
artifact.persist(txComment);
});
}
@Override
public Map<String, ?> getAttributes(URI uri, Map<?, ?> options) {
Map<String, Object> result = new HashMap<>();
Set<String> requestedAttributes = getRequestedAttributes(options);
if (requestedAttributes == null || requestedAttributes.contains(URIConverter.ATTRIBUTE_READ_ONLY)) {
result.put(URIConverter.ATTRIBUTE_READ_ONLY, false);
}
return result;
}
}
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