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/** * Copyright (C) 2012 Red Hat, Inc. (jdcasey@commonjava.org) * * 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.commonjava.maven.atlas.graph.jackson; import com.fasterxml.jackson.core.*; import com.fasterxml.jackson.databind.DeserializationContext; import com.fasterxml.jackson.databind.deser.std.StdDeserializer; import org.commonjava.maven.atlas.graph.rel.*; import org.commonjava.maven.atlas.graph.util.RelationshipUtils; import org.commonjava.maven.atlas.ident.DependencyScope; import org.commonjava.maven.atlas.ident.ref.*; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.IOException; import java.net.URI; import java.net.URISyntaxException; import java.util.*; import static org.commonjava.maven.atlas.graph.jackson.SerializationConstants.*; /** * Created by jdcasey on 8/26/15. */ @SuppressWarnings({ "rawtypes", "unchecked" }) public final class ProjectRelationshipDeserializer<T extends ProjectRelationship> extends StdDeserializer<T> { private static final long serialVersionUID = 1L; public ProjectRelationshipDeserializer() { super(ProjectRelationship.class); } @Override public T deserialize(final JsonParser jp, final DeserializationContext ctx) throws JsonProcessingException, IOException { Map<String, Object> ast = new HashMap<String, Object>(); Map<String, JsonLocation> locations = new HashMap<String, JsonLocation>(); JsonToken token = jp.getCurrentToken(); String currentField = null; List<String> currentArry = null; Logger logger = LoggerFactory.getLogger(getClass()); do { // logger.info( "Token: {}", token ); switch (token) { case START_ARRAY: { // logger.info( "Starting array for field: {}", currentField ); currentArry = new ArrayList<String>(); break; } case END_ARRAY: // logger.info( "Ending array for field: {}", currentField ); locations.put(currentField, jp.getCurrentLocation()); ast.put(currentField, currentArry); currentArry = null; break; case FIELD_NAME: currentField = jp.getCurrentName(); break; case VALUE_STRING: if (currentArry != null) { currentArry.add(jp.getText()); } else { locations.put(currentField, jp.getCurrentLocation()); ast.put(currentField, jp.getText()); } break; case VALUE_NUMBER_INT: locations.put(currentField, jp.getCurrentLocation()); ast.put(currentField, jp.getIntValue()); break; case VALUE_NUMBER_FLOAT: locations.put(currentField, jp.getCurrentLocation()); ast.put(currentField, jp.getFloatValue()); break; case VALUE_TRUE: locations.put(currentField, jp.getCurrentLocation()); ast.put(currentField, Boolean.TRUE); break; case VALUE_FALSE: locations.put(currentField, jp.getCurrentLocation()); ast.put(currentField, Boolean.FALSE); break; } token = jp.nextToken(); } while (token != JsonToken.END_OBJECT); StringBuilder sb = new StringBuilder(); sb.append("AST is:"); for (String field : ast.keySet()) { Object value = ast.get(field); sb.append("\n ").append(field).append(" = "); if (value == null) { sb.append("null"); } else { sb.append(value).append(" (type: ").append(value.getClass().getSimpleName()).append(")"); } } logger.debug(sb.toString()); final RelationshipType type = RelationshipType.getType((String) ast.get(RELATIONSHIP_TYPE)); final String uri = (String) ast.get(POM_LOCATION_URI); URI pomLocation; if (uri == null) { pomLocation = RelationshipUtils.POM_ROOT_URI; } else { try { pomLocation = new URI(uri); } catch (final URISyntaxException e) { throw new JsonParseException("Invalid " + POM_LOCATION_URI + ": '" + uri + "': " + e.getMessage(), locations.get(POM_LOCATION_URI), e); } } Collection<URI> sources = new HashSet<URI>(); List<String> srcs = (List<String>) ast.get(SOURCE_URIS); if (srcs != null) { for (String u : srcs) { try { sources.add(new URI(u)); } catch (URISyntaxException e) { throw new JsonParseException("Failed to parse source URI: " + u, locations.get(SOURCE_URIS)); } } } String decl = (String) ast.get(DECLARING_REF); final ProjectVersionRef declaring = SimpleProjectVersionRef.parse(decl); String tgt = (String) ast.get(TARGET_REF); Integer index = (Integer) ast.get(INDEX); if (index == null) { index = 0; } // handle null implicitly by comparing to true. boolean managed = Boolean.TRUE.equals(ast.get(MANAGED)); boolean inherited = Boolean.TRUE.equals(ast.get(INHERITED)); boolean mixin = Boolean.TRUE.equals(ast.get(MIXIN)); boolean optional = Boolean.TRUE.equals(ast.get(OPTIONAL)); ProjectRelationship<?, ?> rel = null; switch (type) { case DEPENDENCY: { final ArtifactRef target = SimpleArtifactRef.parse(tgt); String scp = (String) ast.get(SCOPE); final DependencyScope scope; if (scp == null) { scope = DependencyScope.compile; } else { scope = DependencyScope.getScope(scp); } rel = new SimpleDependencyRelationship(sources, pomLocation, declaring, target, scope, index, managed, inherited, optional); break; } case EXTENSION: { final ProjectVersionRef target = SimpleProjectVersionRef.parse(tgt); rel = new SimpleExtensionRelationship(sources, pomLocation, declaring, target, index, inherited); break; } case PARENT: { final ProjectVersionRef target = SimpleProjectVersionRef.parse(tgt); rel = new SimpleParentRelationship(sources, declaring, target); break; } case PLUGIN: { final ProjectVersionRef target = SimpleProjectVersionRef.parse(tgt); Boolean report = (Boolean) ast.get(REPORTING); rel = new SimplePluginRelationship(sources, pomLocation, declaring, target, index, managed, Boolean.TRUE.equals(report), inherited); break; } case PLUGIN_DEP: { String plug = (String) ast.get(PLUGIN_REF); if (plug == null) { throw new JsonParseException( "No plugin reference (field: " + PLUGIN_REF + ") found in plugin-dependency relationship!", jp.getCurrentLocation()); } final ProjectRef plugin = SimpleProjectRef.parse(plug); final ArtifactRef target = SimpleArtifactRef.parse(tgt); rel = new SimplePluginDependencyRelationship(sources, pomLocation, declaring, plugin, target, index, managed, inherited); break; } case BOM: { final ProjectVersionRef target = SimpleProjectVersionRef.parse(tgt); rel = new SimpleBomRelationship(sources, pomLocation, declaring, target, index, inherited, mixin); break; } } return (T) rel; } }