AbstractBindableShapeFactory.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.client.shape.factory;

import java.util.Set;

import org.kie.workbench.common.stunner.core.client.shape.Shape;
import org.kie.workbench.common.stunner.core.client.shape.view.glyph.Glyph;
import org.kie.workbench.common.stunner.core.definition.adapter.binding.BindableAdapterUtils;

public abstract class AbstractBindableShapeFactory<W, S extends Shape> extends AbstractShapeFactory<W, S> {

    public abstract Set<Class<?>> getSupportedModelClasses();

    protected abstract String getDescription(final Class<?> clazz);

    protected abstract Glyph glyph(final Class<?> clazz,
                                   final double width,
                                   final double height);

    @Override
    public Glyph glyph(final String definitionId,
                       final double width,
                       final double height) {
        return glyph(getDefinitionClass(definitionId),
                     width,
                     height);
    }

    @Override
    public boolean accepts(final String definitionId) {
        final Set<Class<?>> supportedClasses = getSupportedModelClasses();
        if (null != supportedClasses && !supportedClasses.isEmpty()) {
            for (final Class<?> supportedClass : supportedClasses) {
                final String _id = BindableAdapterUtils.getDefinitionId(supportedClass);
                if (_id.equals(definitionId)) {
                    return true;
                }
            }
        }
        return false;
    }

    @Override
    public String getDescription(final String definitionId) {
        final Class<?> clazz = getDefinitionClass(definitionId);
        return getDescription(clazz);
    }

    protected String getDefinitionId(final Class<?> definitionClazz) {
        return BindableAdapterUtils.getDefinitionId(definitionClazz);
    }

    protected Class<?> getDefinitionClass(final String definitionId) {
        final Set<Class<?>> supportedClasses = getSupportedModelClasses();
        if (null != supportedClasses && !supportedClasses.isEmpty()) {
            for (final Class<?> supportedClass : supportedClasses) {
                final String _id = BindableAdapterUtils.getDefinitionId(supportedClass);
                if (_id.equals(definitionId)) {
                    return supportedClass;
                }
            }
        }
        return null;
    }
}