nz.net.orcon.kanban.automation.actions.BulletinSmsEndpoint.java Source code

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Here is the source code for nz.net.orcon.kanban.automation.actions.BulletinSmsEndpoint.java

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/**
 * GRAVITY WORKFLOW AUTOMATION
 * (C) Copyright 2015 Orcon Limited
 * 
 * This file is part of Gravity Workflow Automation.
 *
 * Gravity Workflow Automation 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.
 *
 * Gravity Workflow Automation 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 Gravity Workflow Automation.  
 * If not, see <http://www.gnu.org/licenses/>. 
 */

package nz.net.orcon.kanban.automation.actions;

import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.security.SecureRandom;

import nz.net.orcon.kanban.tools.StringEncryptor;

import org.apache.commons.lang.RandomStringUtils;

public class BulletinSmsEndpoint {

    protected String user;
    protected String password;
    protected String urlName;

    private StringEncryptor base64;

    public String sendMessage(String destination, String message) throws Exception {

        String messageId = RandomStringUtils.random(10, 0, 0, true, true, null,
                SecureRandom.getInstance("SHA1PRNG"));

        URL url = new URL(urlName);
        HttpURLConnection con = (HttpURLConnection) url.openConnection();
        try {
            con.setRequestMethod("POST");
            con.setRequestProperty("Authorization", encodeBasicAuth(this.user, this.password));
            con.setDoOutput(true);

            StringBuffer form = new StringBuffer();
            form.append("to=").append(destination);

            conditionalAppend(form, "messageId", messageId);
            conditionalAppend(form, "body", URLEncoder.encode(message, "UTF-8"));

            OutputStream out = con.getOutputStream();
            try {
                out.write(form.toString().getBytes("US-ASCII"));
            } finally {
                out.close();
            }

            if (!(con.getResponseCode() == 200)) {
                throw new IOException("Return resultcode not success: " + con.getResponseCode());
            }

            return messageId;

        } finally {
            con.disconnect();
        }

    }

    public String encodeBasicAuth(String user, String pass) throws UnsupportedEncodingException {
        String credentials = user + ':' + pass;
        String encoded = "Basic " + base64.encryptString(credentials);
        return encoded;
    }

    public void conditionalAppend(StringBuffer buffer, String field, String value) {
        if (value != null && !value.isEmpty()) {
            buffer.append("&");
            buffer.append(field);
            buffer.append("=");
            buffer.append(value);
        }
    }

    public void setUser(String user) {
        this.user = user;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public void setBase64(StringEncryptor base64) {
        this.base64 = base64;
    }

    public void setUrl(String url) {
        this.urlName = url;
    }

}