AbstractSelectorAnnotationProcessor.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.forms.dynamic.backend.server.context.generation.statik.impl.processors;

import java.util.ArrayList;
import java.util.List;

import org.drools.workbench.models.datamodel.oracle.Annotation;
import org.kie.workbench.common.forms.dynamic.backend.server.context.generation.statik.impl.FieldSetting;
import org.kie.workbench.common.forms.dynamic.service.context.generation.TransformerContext;
import org.kie.workbench.common.forms.dynamic.service.shared.SelectorDataProviderManager;
import org.kie.workbench.common.forms.fields.shared.fieldTypes.basic.selectors.SelectorFieldBaseDefinition;
import org.kie.workbench.common.forms.fields.shared.fieldTypes.basic.selectors.SelectorFieldProvider;
import org.kie.workbench.common.forms.fields.shared.fieldTypes.basic.selectors.SelectorOption;
import org.kie.workbench.common.forms.fields.shared.fieldTypes.basic.selectors.StringSelectorOption;
import org.kie.workbench.common.forms.metaModel.Option;
import org.kie.workbench.common.forms.metaModel.SelectorDataProvider;

public abstract class AbstractSelectorAnnotationProcessor<FIELD extends SelectorFieldBaseDefinition, PROVIDER extends SelectorFieldProvider<FIELD>>
        extends AbstractFieldAnnotationProcessor<FIELD, PROVIDER> {

    public AbstractSelectorAnnotationProcessor(PROVIDER fieldProvider) {
        super(fieldProvider);
    }

    @Override
    protected void initField(FIELD field,
                             Annotation annotation,
                             FieldSetting fieldSetting,
                             TransformerContext context) {
        List<SelectorOption> options = new ArrayList<>();
        Annotation selectorProvider = null;
        for (Annotation settingAnnotation : fieldSetting.getAnnotations()) {
            if (settingAnnotation.getQualifiedTypeName().equals(Option.class.getName())) {
                StringSelectorOption selectorOption = new StringSelectorOption();
                selectorOption.setValue(settingAnnotation.getParameters().get("value").toString());
                selectorOption.setText(settingAnnotation.getParameters().get("text").toString());
                selectorOption.setDefaultValue((Boolean) settingAnnotation.getParameters().get("isDefault"));
                options.add(selectorOption);
            } else if (settingAnnotation.getQualifiedTypeName().equals(SelectorDataProvider.class.getName())) {
                selectorProvider = settingAnnotation;
            }
        }

        field.setOptions(options);

        if (options.isEmpty() && selectorProvider != null) {
            String providerId = selectorProvider.getParameters().get("type") + SelectorDataProviderManager.SEPARATOR + selectorProvider.getParameters().get("className");
            field.setDataProvider(providerId);
        }
    }
}