net.sf.sripathi.ws.mock.util.WebServiceutil.java Source code

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Here is the source code for net.sf.sripathi.ws.mock.util.WebServiceutil.java

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/*
 *  Copyright 2010-2011 the original author or authors.
 *
 *  WebServiceMocker is free software; you can redistribute it and/or modify it under the 
 *  terms of version 2.1 of the GNU Lesser General Public License as published by 
 *  the Free Software Foundation.
 *
 *  WebServiceMocker 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 Lesser General Public License for more details at gnu.org.
 */

package net.sf.sripathi.ws.mock.util;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.PrintWriter;
import java.io.StringWriter;

import javax.xml.soap.MessageFactory;
import javax.xml.soap.MimeHeaders;
import javax.xml.soap.SOAPConnection;
import javax.xml.soap.SOAPConnectionFactory;
import javax.xml.soap.SOAPMessage;

import org.apache.commons.codec.binary.Base64;

/**
 * Utility class for web service invocation.
 * 
 * @author Sripathi
 *
 */
public class WebServiceutil {

    /**
     * Invokes the web service using SAAJ API.
     * 
     * @param request soap request string.
     * @param url end point URL.
     * @param user user name for authentication.
     * @param password password for authentication.
     * 
     * @return response soap string.
     */
    public static String callWebService(String request, String url, String user, String password) {

        if (request == null)
            request = "";
        try {
            SOAPConnection conn = SOAPConnectionFactory.newInstance().createConnection();

            MimeHeaders hd = new MimeHeaders();
            hd.addHeader("Content-Type", "text/xml");
            if (StringUtil.isValid(user) && StringUtil.isValid(password)) {
                String authorization = new String(Base64.encodeBase64((user + ":" + password).getBytes()));
                hd.addHeader("Authorization", "Basic " + authorization);
            }

            SOAPMessage msg = MessageFactory.newInstance().createMessage(hd,
                    new ByteArrayInputStream(request.getBytes()));
            SOAPMessage resp = conn.call(msg, url);
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            resp.writeTo(baos);
            return new String(baos.toByteArray());
        } catch (Exception e) {
            StringWriter sw = new StringWriter();
            e.printStackTrace(new PrintWriter(sw));
            return sw.toString();
        }
    }
}