com.basetechnology.s0.agentserver.field.HelpField.java Source code

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Here is the source code for com.basetechnology.s0.agentserver.field.HelpField.java

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/**
 * Copyright 2012 John W. Krupansky d/b/a Base Technology
 * 
 * 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 com.basetechnology.s0.agentserver.field;

import org.json.JSONException;
import org.json.JSONObject;

import com.basetechnology.s0.agentserver.script.intermediate.IntegerTypeNode;
import com.basetechnology.s0.agentserver.script.intermediate.ObjectTypeNode;
import com.basetechnology.s0.agentserver.script.intermediate.Symbol;
import com.basetechnology.s0.agentserver.script.intermediate.SymbolTable;
import com.basetechnology.s0.agentserver.script.intermediate.TypeNode;
import com.basetechnology.s0.agentserver.script.runtime.value.NullValue;
import com.basetechnology.s0.agentserver.script.runtime.value.StringValue;
import com.basetechnology.s0.agentserver.script.runtime.value.Value;

class HelpField extends Field {
    public String help;

    HelpField(SymbolTable symbolTable, String name, String help) {
        this.symbol = new Symbol(symbolTable, name, IntegerTypeNode.one);
        this.help = help;
    }

    public Field clone() {
        return new HelpField(symbol.symbolTable, symbol.name, help);
    }

    public Object getDefaultValue() {
        return null;
    }

    public Value getDefaultValueNode() {
        return NullValue.one;
    }

    public TypeNode getType() {
        return ObjectTypeNode.one;
    }

    public static Field fromJson(SymbolTable symbolTable, JSONObject fieldJson) {
        String type = fieldJson.optString("type");
        if (type == null || !type.equals("string"))
            return null;
        String name = fieldJson.has("name") ? fieldJson.optString("name") : null;
        String help = fieldJson.has("help") ? fieldJson.optString("help") : null;
        return new HelpField(symbolTable, name, help);
    }

    public JSONObject toJson() throws JSONException {
        JSONObject json = new JSONObject();
        json.put("type", "help");
        if (symbol.name != null)
            json.put("name", symbol.name);
        if (help != null)
            json.put("help", help);
        return json;
    }

    public String toString() {
        return "[Text field symbol: " + symbol + " label: " + label + " description: '" + description + "'"
                + " help text: '" + help + "'" + "]";
    }
}