RestQueryPlanResult.java

/*
 * 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 org.codehaus.jettison.json.JSONArray;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;

/**
 * A REST representation of a query plan.
 * 
 * @author Horia Chiorean (hchiorea@redhat.com)
 */
public final class RestQueryPlanResult implements JSONAble, Stringable {
    private final String plan;
    private final String language;
    private final String statement;
    private final String aqm;

    /**
     * Creates a result with the specified plan
     * 
     * @param plan the plan
     * @param statement the original query statement
     * @param language the query language
     * @param aqm the abstract query model for the query
     */
    public RestQueryPlanResult( String plan,
                                String statement,
                                String language,
                                String aqm ) {
        this.plan = plan;
        this.statement = statement;
        this.language = language;
        this.aqm = aqm;
    }

    @Override
    public JSONObject toJSON() throws JSONException {
        JSONObject result = new JSONObject();
        result.put("statement", statement);
        result.put("language", language);
        result.put("abstractQueryModel", aqm);
        String[] planParts = plan.split("\\n");
        JSONArray planArray = new JSONArray();
        for (String part : planParts) {
            planArray.put(part);
        }
        result.put("queryPlan", planArray);
        // result.put("queryPlan", plan);
        return result;
    }

    @Override
    public String asString() {
        return plan;
    }
}