com.pronoiahealth.olhie.client.utils.Utils.java Source code

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Here is the source code for com.pronoiahealth.olhie.client.utils.Utils.java

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/*******************************************************************************
 * Copyright (c) 2013 Pronoia Health LLC.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Pronoia Health LLC - initial API and implementation
 *******************************************************************************/
package com.pronoiahealth.olhie.client.utils;

import com.google.gwt.http.client.URL;
import com.google.gwt.user.client.Random;
import com.pronoiahealth.olhie.client.shared.constants.BookImageSizeEnum;

/**
 * Utils.java<br/>
 * Responsibilities:<br/>
 * 1. Various client utilities<br/>
 * 
 * @author John DeStefano
 * @version 1.0
 * @since May 26, 2013
 * 
 */
public class Utils {

    /**
     * Get simple class name. Not supported directly in gwt.
     * 
     * @param clazz
     * @return
     */
    public static String parseClassSimpleName(Class clazz) {
        String name = clazz.getName();
        int lastIndexOf = name.lastIndexOf(".");
        if (lastIndexOf > 0) {
            return name.substring(lastIndexOf + 1);
        } else {
            return "";
        }
    }

    /**
     * Build a URI for file download
     * 
     * @param assetId
     * @param forDownload
     * @return
     */
    public static String buildRestServiceForAssetDownloadLink(String assetId, String viewType) {
        StringBuilder urlStr = new StringBuilder();
        urlStr.append("rest/book_download/book/");
        urlStr.append(getRandom());
        urlStr.append("/");
        urlStr.append(URL.encodeQueryString(assetId));
        urlStr.append("/");
        urlStr.append(viewType);
        return urlStr.toString();
    }

    /**
     * Build a URI for logo download
     * 
     * @param assetId
     * @param forDownload
     * @return
     */
    public static String buildRestServiceForLogoDownloadLink(String bookId) {
        StringBuilder urlStr = new StringBuilder();
        urlStr.append("rest/logo_download/logo/");
        urlStr.append(getRandom());
        urlStr.append("/");
        urlStr.append(URL.encodeQueryString(bookId));
        return urlStr.toString();
    }

    /**
     * Build a URI for book front cover download
     * 
     * @param assetId
     * @param forDownload
     * @return
     */
    public static String buildRestServiceForBookFrontCoverDownloadLink(String bookId, BookImageSizeEnum size) {
        StringBuilder urlStr = new StringBuilder();
        urlStr.append("rest/book_image_download/front/");
        urlStr.append(size.toString());
        urlStr.append("/");
        urlStr.append(getRandom());
        urlStr.append("/");
        urlStr.append(URL.encodeQueryString(bookId));
        return urlStr.toString();
    }

    /**
     * Build a URI for book back cover download
     * 
     * @param assetId
     * @param forDownload
     * @return
     */
    public static String buildRestServiceForBookBackCoverDownloadLink(String bookId) {
        StringBuilder urlStr = new StringBuilder();
        urlStr.append("rest/book_image_download/back/");
        urlStr.append(getRandom());
        urlStr.append("/");
        urlStr.append(URL.encodeQueryString(bookId));
        return urlStr.toString();
    }

    /**
     * @param programRef
     * @return
     */
    public static String buildRestServiceForTVDownload(String programRef) {
        StringBuilder urlStr = new StringBuilder();
        urlStr.append("rest/tv_download/tv/");
        urlStr.append(getRandom());
        urlStr.append("/");
        urlStr.append(URL.encodeQueryString(programRef));
        return urlStr.toString();
    }

    /**
     * Gets a random integer
     * 
     * @return
     */
    public static String getRandom() {
        return "" + Random.nextInt(100000);
    }

    /**
     * Validate an email
     * 
     * 
     * @param value
     * @return
     */
    public static boolean isValidEmail(String value) {
        if (value == null) {
            return true;
        }

        String emailPattern = "^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.(?:[a-zA-Z]{2,6})$";
        boolean valid = false;
        if (value.getClass().toString().equals(String.class.toString())) {
            valid = ((String) value).matches(emailPattern);
        } else {
            valid = ((Object) value).toString().matches(emailPattern);
        }
        return valid;
    }
}