MetadataImpl.java

/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * 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.kie.workbench.common.stunner.core.diagram;

import java.util.Collection;

import org.jboss.errai.common.client.api.annotations.MapsTo;
import org.jboss.errai.common.client.api.annotations.NonPortable;
import org.jboss.errai.common.client.api.annotations.Portable;
import org.kie.workbench.common.stunner.core.api.DefinitionManager;
import org.kie.workbench.common.stunner.core.client.ShapeSet;
import org.kie.workbench.common.stunner.core.client.api.ShapeManager;
import org.uberfire.backend.vfs.Path;

@Portable
public final class MetadataImpl extends AbstractMetadata {

    public MetadataImpl() {
    }

    private MetadataImpl(final @MapsTo("definitionSetId") String definitionSetId) {
        super(definitionSetId);
    }

    @Override
    public Class<? extends Metadata> getMetadataType() {
        return Metadata.class;
    }

    @NonPortable
    public static class MetadataImplBuilder {

        private final String defSetId;
        private final DefinitionManager definitionManager;
        private final ShapeManager shapeManager;
        private String title;
        private String ssid;
        private Path path;

        public MetadataImplBuilder(final String defSetId) {
            this(defSetId,
                 null);
        }

        public MetadataImplBuilder(final String defSetId,
                                   final DefinitionManager definitionManager) {
            this(defSetId,
                 definitionManager,
                 null);
        }

        public MetadataImplBuilder(final String defSetId,
                                   final DefinitionManager definitionManager,
                                   final ShapeManager shapeManager) {
            this.defSetId = defSetId;
            this.definitionManager = definitionManager;
            this.shapeManager = shapeManager;
        }

        public MetadataImplBuilder setPath(final Path path) {
            this.path = path;
            return this;
        }

        public MetadataImplBuilder setTitle(final String t) {
            this.title = t;
            return this;
        }

        public MetadataImplBuilder setShapeSetId(final String id) {
            this.ssid = id;
            return this;
        }

        public MetadataImpl build() {
            final MetadataImpl result = new MetadataImpl(defSetId);
            result.setPath(path);
            if (null != definitionManager) {
                final Object defSet = definitionManager.definitionSets().getDefinitionSetById(defSetId);
                if (null != defSet) {
                    result.setTitle(null != title ? title :
                                            definitionManager.adapters().forDefinitionSet().getDescription(defSet));
                    final String s = null != ssid ? ssid : (null != getShapeSet() ? getShapeSet().getId() : null);
                    if (null != s) {
                        result.setShapeSetId(s);
                    }
                }
            }
            return result;
        }

        private ShapeSet<?> getShapeSet() {
            if (null != shapeManager) {
                final Collection<ShapeSet<?>> sets = shapeManager.getShapeSets();
                if (null != sets && !sets.isEmpty()) {
                    for (final ShapeSet<?> set : sets) {
                        if (set.getDefinitionSetId().equals(defSetId)) {
                            return set;
                        }
                    }
                }
            }
            return null;
        }
    }
}