com.threewks.thundr.googleapis.prediction.PredictionDataHelper.java Source code

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Here is the source code for com.threewks.thundr.googleapis.prediction.PredictionDataHelper.java

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/*
 * This file is a component of thundr, a software library from 3wks.
 * Read more: http://www.3wks.com.au/thundr
 * Copyright (C) 2013 3wks, <thundr@3wks.com.au>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.threewks.thundr.googleapis.prediction;

import org.apache.commons.lang3.StringUtils;

public class PredictionDataHelper {
    public static String emailDomain(String emailAddress) {
        return StringUtils.substringAfter(emailAddress, "@");
    }

    public static String normaliseWhitespace(String string) {
        return string == null ? "" : string.replaceAll("\\s+", " ");
    }

    public static int countWords(String string) {
        return normalisePunctuationToSpaces(string).split("\\s+").length;
    }

    public static int countNewlines(String string) {
        return string == null ? 0 : string.replaceAll("[^\\n]", "").length();
    }

    public static String normalisePunctuationToSpaces(String string) {
        return string == null ? "" : string.replaceAll("\\p{Punct}", " ");
    }

    public static String remove(String string, String regex) {
        return string == null ? "" : string.replaceAll(regex, "");
    }
}