org.modeshape.web.jcr.rest.model.RestProperty.java Source code

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Here is the source code for org.modeshape.web.jcr.rest.model.RestProperty.java

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/*
 * #%L
 * Wisdom-Framework
 * %%
 * Copyright (C) 2013 - 2015 Wisdom Framework
 * %%
 * 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.
 * #L%
 */
/*
 * ModeShape (http://www.modeshape.org)
 *
 * 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.modeshape.web.jcr.rest.model;

import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.wisdom.api.content.Json;

import java.util.Collection;
import java.util.Collections;
import java.util.List;

/**
 * A REST representation of the {@link javax.jcr.Property}
 *
 * @author Horia Chiorean (hchiorea@redhat.com)
 */
public final class RestProperty extends RestItem {

    private final List<String> values;
    private final boolean multiValued;

    /**
     * Creates a new rest property instance.
     *
     * @param name        a {@code non-null} string, the name of the property
     * @param url         a {@code non-null} string, the absolute url to this property
     * @param parentUrl   a {@code non-null} string, the absolute url to this property's parent
     * @param values      a list of possible values for the property, may be {@code null}
     * @param multiValued true if this property is a multi-valued property
     */
    public RestProperty(String name, String url, String parentUrl, List<String> values, boolean multiValued) {
        super(name, url, parentUrl);
        this.values = values != null ? values : Collections.<String>emptyList();
        this.multiValued = multiValued;
    }

    List<String> getValues() {
        return values;
    }

    String getValue() {
        return !values.isEmpty() ? values.get(0) : null;
    }

    boolean isMultiValue() {
        return multiValued;
    }

    @Override
    public ObjectNode toJSON(Json json) {
        ObjectNode object = json.newObject();
        if (isMultiValue()) {
            ArrayNode valuesNode = object.putArray("values");
            for (String value : values) {
                valuesNode.add(value);
            }
        } else if (getValue() != null) {
            object.put(name, getValue());
        }
        object.put("self", url);
        object.put("up", parentUrl);
        return object;
    }
}