DocumentPropertyObjectResolverImpl.java

/*
 * (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and others.
 *
 * 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.
 *
 * Contributors:
 *     Nicolas Chapurlat <nchapurlat@nuxeo.com>
 */

package org.nuxeo.ecm.core.api.model.resolver;

import java.io.Serializable;
import java.util.List;

import org.nuxeo.ecm.core.api.DocumentModel;
import org.nuxeo.ecm.core.schema.SchemaManager;
import org.nuxeo.ecm.core.schema.types.Field;
import org.nuxeo.ecm.core.schema.types.resolver.ObjectResolver;
import org.nuxeo.runtime.api.Framework;

/**
 * @since 7.1
 */
public class DocumentPropertyObjectResolverImpl implements PropertyObjectResolver {

    protected DocumentModel doc;

    protected String xpath;

    protected ObjectResolver resolver;

    public static DocumentPropertyObjectResolverImpl create(DocumentModel doc, String xpath) {
        Field field = Framework.getService(SchemaManager.class).getField(xpath);
        if (field != null) {
            ObjectResolver resolver = field.getType().getObjectResolver();
            if (resolver != null) {
                return new DocumentPropertyObjectResolverImpl(doc, xpath, resolver);
            }
        }
        return null;
    }

    public DocumentPropertyObjectResolverImpl(DocumentModel doc, String xpath, ObjectResolver resolver) {
        this.doc = doc;
        this.xpath = xpath;
        this.resolver = resolver;
    }

    @Override
    public List<Class<?>> getManagedClasses() {
        return resolver.getManagedClasses();
    }

    @Override
    public boolean validate() {
        return resolver.validate(doc.getPropertyValue(xpath));
    }

    @Override
    public Object fetch() {
        return resolver.fetch(doc.getPropertyValue(xpath));
    }

    @Override
    public <T> T fetch(Class<T> type) {
        return resolver.fetch(type, doc.getPropertyValue(xpath));
    }

    @Override
    public void setObject(Object object) {
        Serializable reference = resolver.getReference(object);
        doc.setPropertyValue(xpath, reference);
    }

    @Override
    public ObjectResolver getObjectResolver() {
        return resolver;
    }

}