SubFormFieldValueProcessor.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.dynamic.impl.fieldProcessors;

import java.util.HashMap;
import java.util.Map;
import javax.enterprise.context.Dependent;

import org.kie.workbench.common.forms.dynamic.service.context.generation.dynamic.BackendFormRenderingContext;
import org.kie.workbench.common.forms.fields.shared.fieldTypes.relations.subForm.definition.SubFormFieldDefinition;
import org.kie.workbench.common.forms.model.FormDefinition;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@Dependent
public class SubFormFieldValueProcessor extends NestedFormFieldValueProcessor<SubFormFieldDefinition, Object, Map<String, Object>> {

    private static final Logger logger = LoggerFactory.getLogger(SubFormFieldValueProcessor.class);

    @Override
    public Class<SubFormFieldDefinition> getSupportedField() {
        return SubFormFieldDefinition.class;
    }

    @Override
    public Map<String, Object> toFlatValue(SubFormFieldDefinition field,
                                           Object rawValue,
                                           BackendFormRenderingContext context) {

        FormDefinition nestedForm = context.getRenderingContext().getAvailableForms().get(field.getNestedForm());

        Map<String, Object> nestedRawValues = new HashMap<>();

        prepareNestedRawValues(nestedRawValues,
                               nestedForm,
                               rawValue);

        return processor.readFormValues(nestedForm,
                                        nestedRawValues,
                                        context);
    }

    @Override
    public Object toRawValue(SubFormFieldDefinition field,
                             Map<String, Object> flatValue,
                             Object originalValue,
                             BackendFormRenderingContext context) {

        FormDefinition nestedForm = context.getRenderingContext().getAvailableForms().get(field.getNestedForm());

        Map<String, Object> nestedValues = processor.writeFormValues(nestedForm,
                                                                     flatValue,
                                                                     new HashMap<>(),
                                                                     context);

        return writeObjectValues(originalValue,
                                 nestedValues,
                                 field,
                                 context);
    }

    @Override
    public Logger getLogger() {
        return logger;
    }
}