com.skysql.manager.api.SettingsValues.java Source code

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Here is the source code for com.skysql.manager.api.SettingsValues.java

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/*
 * This file is distributed as part of the MariaDB Manager.  It is free
 * software: you can redistribute it and/or modify it under the terms of the
 * GNU General Public License as published by the Free Software Foundation,
 * version 2.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Copyright 2012-2014 SkySQL Corporation Ab
 */

package com.skysql.manager.api;

import java.lang.reflect.Type;
import java.util.Iterator;
import java.util.Map.Entry;
import java.util.Set;

import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import com.skysql.manager.AppData;
import com.skysql.manager.ui.ErrorDialog;

/**
 * The Class SettingsValues reads application properties from the API.
 */
public class SettingsValues {

    public static final String SETTINGS_MAX_BACKUP_SIZE = "maxBackupSize";
    public static final String SETTINGS_MAX_BACKUP_COUNT = "maxBackupCount";
    public static final String SETTINGS_MONITOR_INTERVAL = "monitorInterval";

    private String[] values;

    /**
     * Gets the values.
     *
     * @return the values
     */
    public String[] getValues() {
        return values;
    }

    /**
     * Sets the values.
     *
     * @param values the new values
     */
    protected void setValues(String[] values) {
        this.values = values;
    }

    public SettingsValues() {
    }

    /**
     * Instantiates a new settings values by reading it from the API.
     *
     * @param property the property
     */
    public SettingsValues(String property) {
        APIrestful api = new APIrestful();
        if (api.get("application/" + AppData.appID + "/property/" + property)) {
            try {
                SettingsValues settingsValues = APIrestful.getGson().fromJson(api.getResult(),
                        SettingsValues.class);
                this.values = settingsValues.values;
            } catch (NullPointerException e) {
                new ErrorDialog(e, "API did not return expected result for:" + api.errorString());
                throw new RuntimeException("API response");
            } catch (JsonParseException e) {
                new ErrorDialog(e, "JSON parse error in API results for:" + api.errorString());
                throw new RuntimeException("API response");
            }
        }
    }
}

/**
 * The Class SettingsValuesDeserializer.
 */
class SettingsValuesDeserializer implements JsonDeserializer<SettingsValues> {
    public SettingsValues deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
            throws JsonParseException, NullPointerException {
        SettingsValues settingsValues = new SettingsValues();

        JsonElement jsonElement = json.getAsJsonObject().get("applicationproperty");
        if (jsonElement.isJsonNull()) {
            settingsValues.setValues(null);
        } else {
            JsonObject jsonObject = (JsonObject) jsonElement;
            Set<Entry<String, JsonElement>> set = jsonObject.entrySet();
            Iterator<Entry<String, JsonElement>> iter = set.iterator();
            if (iter.hasNext()) {
                Entry<String, JsonElement> entry = iter.next();
                String value = entry.getValue().getAsString();
                settingsValues.setValues(value.split(","));
            }
        }

        return settingsValues;
    }
}