com.callidusrobotics.droptables.model.Parameter.java Source code

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Here is the source code for com.callidusrobotics.droptables.model.Parameter.java

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/**
 * Copyright (C) 2015 Rusty Gerard
 *
 * This program 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

package com.callidusrobotics.droptables.model;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import javax.validation.constraints.NotNull;

import org.apache.commons.lang3.Validate;
import org.mongodb.morphia.annotations.Embedded;
import org.mongodb.morphia.annotations.Property;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;

/**
 * POJO for representing default parameters of ReportGenerator objects.
 *
 * @author Rusty Gerard
 * @since 0.0.3
 */
@Embedded
public class Parameter {
    public enum ParamType {
        STRING, NUMBER, DATE, SELECT
    }

    @NotNull
    @Property("type")
    ParamType type = ParamType.STRING;

    @NotNull
    @Property("tooltip")
    String tooltip = "";

    @NotNull
    @Property("values")
    List<String> values = Collections.emptyList();

    public Parameter() {
    }

    public Parameter(ParamType type, String tooltip, List<String> values) {
        Validate.notNull(type);
        Validate.notNull(tooltip);

        this.type = type;
        this.tooltip = tooltip;
        this.values = new ArrayList<String>(values.size());
        this.values.addAll(values);
    }

    public Parameter(Parameter other) {
        this(other.type, other.tooltip, other.values);
    }

    @Override
    public String toString() {
        ObjectMapper mapper = new ObjectMapper();
        try {
            return mapper.writeValueAsString(this);
        } catch (JsonProcessingException e) {
            return super.toString();
        }
    }

    @JsonProperty("type")
    public void setType(ParamType type) {
        Validate.notNull(type);
        this.type = type;
    }

    @JsonProperty("type")
    public ParamType getType() {
        return type;
    }

    @JsonProperty("tooltip")
    public void setTooltip(String tooltip) {
        Validate.notNull(tooltip);
        this.tooltip = tooltip;
    }

    @JsonProperty("tooltip")
    public String getTooltip() {
        return tooltip;
    }

    @JsonProperty("values")
    public void setValues(List<String> values) {
        this.values = new ArrayList<String>(values.size());
        this.values.addAll(values);
    }

    @JsonProperty("values")
    public List<String> getValues() {
        return Collections.unmodifiableList(values);
    }

    @JsonIgnore
    public String getDefaultValue() {
        if (values.isEmpty()) {
            return "";
        }

        return values.get(0);
    }
}