com.ibm.ra.remy.web.utils.RestUtils.java Source code

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Here is the source code for com.ibm.ra.remy.web.utils.RestUtils.java

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/* 
 * Licensed Materials - Property of IBM  Copyright IBM Corporation 2015. All
 * Rights Reserved. This sample program is provided AS IS and may be used,
 * executed, copied and modified without royalty payment by customer (a) for its
 * own instruction and study, (b) in order to develop applications designed to
 * run with an IBM product, either for customer's own internal use or for
 * redistribution by customer, as part of such an application, in customer's own
 * products.
 */

package com.ibm.ra.remy.web.utils;

import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.ResponseBuilder;

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

import com.google.gson.Gson;

/**
 * Utilities class used to keep the methods related to processing REST requests.
 */
public class RestUtils {

    /**
     * Method to determine that the user sent us an actual value for the user name.
     * @param username The user name to test
     * @return True if there is a valid value, false otherwise
     */
    public boolean isValidUser(String username) {
        return username != null && !"".equals(username);
    }

    /**
     * Method to Base64 encode a string.
     * 
     * @param data The string to encode
     * @return The Base 64 encoded String
     */
    public String base64Encode(String data) {
        return Base64.encodeBase64String(data.getBytes());
    }

    /**
     * Method to Base 64 decode a string.
     * 
     * @param data The string to decode.
     * @return The decoded string.
     */
    public String base64Decode(String data) {
        return new String(Base64.decodeBase64(data));
    }

    /**
     * Convenience method for creating a Response object from some content an a response type.
     * 
     * @param content The content to embed in the Response object.
     * @param responseType The type of Response to generate
     * @return The generated Response object.
     */
    public Response getResponse(Object content, Response.Status responseType) {
        ResponseBuilder rb = Response.status(responseType);
        rb.entity(new Gson().toJson(content));

        return rb.build();
    }
}