com.comcast.oscar.cli.commands.JSONtoTLV.java Source code

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Here is the source code for com.comcast.oscar.cli.commands.JSONtoTLV.java

Source

package com.comcast.oscar.cli.commands;

import java.io.File;

import org.apache.commons.cli.Option;
import org.apache.commons.cli.OptionBuilder;
import org.json.JSONArray;
import org.json.JSONException;

import com.comcast.oscar.tlv.TlvAssembler;
import com.comcast.oscar.utilities.HexString;

/**
 * 
 * @author Allen Flickinger (allen.flickinger@gmail.com)
 * 
 * @bannerLicense
   Copyright 2015 Comcast Cable Communications Management, LLC<br>
   ___________________________________________________________________<br>
   Licensed under the Apache License, Version 2.0 (the "License")<br>
   you may not use this file except in compliance with the License.<br>
   You may obtain a copy of the License at<br>
   http://www.apache.org/licenses/LICENSE-2.0<br>
   Unless required by applicable law or agreed to in writing, software<br>
   distributed under the License is distributed on an "AS IS" BASIS,<br>
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<br>
   See the License for the specific language governing permissions and<br>
   limitations under the License.<br>
    
 */

public class JSONtoTLV {

    public static final String ERROR = "JSON file does not exist";

    private final String[] args;

    /**
     * Get JSON to TLV arguments
     * @param args
     */
    public JSONtoTLV(String[] args) {
        this.args = args;
    }

    /**
     * Set option parameters for command JSON to TLV display
     * @return Option
     */
    public static final Option OptionParameters() {
        OptionBuilder.withArgName("filename");
        OptionBuilder.hasArgs();
        OptionBuilder.hasOptionalArgs();
        OptionBuilder.withValueSeparator(' ');
        OptionBuilder.withLongOpt("json2tlv");
        OptionBuilder.withDescription("View the TLV number of a JSON array within the file.");
        return OptionBuilder.create("j2t");
    }

    /**
     * Check if file exists
     * @return boolean
     */
    public boolean fileExists() {
        File file = new File(this.args[0]);

        if (file.exists()) {
            return true;
        }

        return false;
    }

    /**
     * Print TLV information from JSON input file
     */
    public void printTLV() {
        File file = new File(this.args[0]);
        byte[] ba = HexString.fileToByteArray(file);
        HexString hs = new HexString(ba);
        TlvAssembler ta = null;

        try {
            ta = new TlvAssembler(new JSONArray(hs.toASCII()));
        } catch (JSONException e) {
            e.printStackTrace();
        }

        System.out.println(ta.toString());
    }
}