br.gov.frameworkdemoiselle.util.contrib.Strings.java Source code

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Here is the source code for br.gov.frameworkdemoiselle.util.contrib.Strings.java

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/*
 * Demoiselle Framework
 * Copyright (C) 2010 SERPRO
 * ----------------------------------------------------------------------------
 * This file is part of Demoiselle Framework.
 * 
 * Demoiselle Framework is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.
 * 
 * This program 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 Lesser General Public License version 3
 * along with this program; if not,  see <http://www.gnu.org/licenses/>
 * or write to the Free Software Foundation, Inc., 51 Franklin Street,
 * Fifth Floor, Boston, MA  02110-1301, USA.
 * ----------------------------------------------------------------------------
 * Este arquivo  parte do Framework Demoiselle.
 * 
 * O Framework Demoiselle  um software livre; voc pode redistribu-lo e/ou
 * modific-lo dentro dos termos da GNU LGPL verso 3 como publicada pela Fundao
 * do Software Livre (FSF).
 * 
 * Este programa  distribudo na esperana que possa ser til, mas SEM NENHUMA
 * GARANTIA; sem uma garantia implcita de ADEQUAO a qualquer MERCADO ou
 * APLICAO EM PARTICULAR. Veja a Licena Pblica Geral GNU/LGPL em portugus
 * para maiores detalhes.
 * 
 * Voc deve ter recebido uma cpia da GNU LGPL verso 3, sob o ttulo
 * "LICENCA.txt", junto com esse programa. Se no, acesse <http://www.gnu.org/licenses/>
 * ou escreva para a Fundao do Software Livre (FSF) Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA.
 */
package br.gov.frameworkdemoiselle.util.contrib;

import java.lang.reflect.Field;
import java.util.Arrays;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.WordUtils;

import br.gov.frameworkdemoiselle.annotation.Ignore;
import br.gov.frameworkdemoiselle.util.Reflections;

public class Strings extends StringUtils {

    public static boolean isResourceBundleKeyFormat(final String key) {
        return Pattern.matches("^\\{(.+)\\}$", key == null ? "" : key);
    }

    public static String removeChars(String string, char... chars) {
        if (string != null) {
            for (char ch : chars) {
                string = string.replace(String.valueOf(ch), "");
            }
        }
        return string;
    }

    public static String insertZeros(String string, int howMuchZeros) {
        StringBuffer result = new StringBuffer((string == null ? "" : string).trim());
        int difference = howMuchZeros - string.length();

        for (int j = 0; j < difference; j++) {
            result.insert(0, '0');
        }

        return result.toString();
    }

    public static String getString(final String string, final Object... params) {
        String result = null;

        if (string != null) {
            result = new String(string);
        }

        if (params != null && string != null) {
            for (int i = 0; i < params.length; i++) {
                if (params[i] != null) {
                    result = result.replaceAll("\\{" + i + "\\}", Matcher.quoteReplacement(params[i].toString()));
                }
            }
        }

        return result;
    }

    public static boolean isEmpty(String string) {
        return string == null || string.trim().isEmpty();
    }

    public static String toString(Object object) {
        StringBuffer result = new StringBuffer();
        Object fieldValue;

        if (object != null) {
            result.append(object.getClass().getSimpleName());
            result.append(" [");

            boolean first = true;
            for (Field field : Reflections.getNonStaticDeclaredFields(object.getClass())) {
                if (!field.isAnnotationPresent(Ignore.class)) {
                    if (first) {
                        first = false;
                    } else {
                        result.append(", ");
                    }

                    result.append(field.getName());
                    result.append("=");
                    fieldValue = Reflections.getFieldValue(field, object);
                    result.append(fieldValue != null && fieldValue.getClass().isArray()
                            ? Arrays.toString((Object[]) fieldValue)
                            : fieldValue);
                }
            }

            result.append("]");
        }

        return result.toString();
    }

    public static String camelCaseToSymbolSeparated(String string, String symbol) {
        if (symbol == null) {
            symbol = "";
        }

        return string == null ? null : string.replaceAll("\\B([A-Z])", symbol + "$1").toLowerCase();
    }

    public static String firstToUpper(String string) {
        String result = string;

        if (!Strings.isEmpty(string)) {
            result = string.toUpperCase().charAt(0) + (string.length() > 1 ? string.substring(1) : "");
        }

        return result;
    }

    public static String removeBraces(String string) {
        String result = string;

        if (isResourceBundleKeyFormat(string)) {
            result = string.substring(1, string.length() - 1);
        }

        return result;
    }

    public static String insertBraces(String string) {
        String result = string;

        if (!isEmpty(string)) {
            result = "{" + string + "}";
        }

        return result;
    }

    public static String null2empty(String value) {
        if (value == null)
            return "";
        return value;
    }

    public static String capitalize(String str) {
        String strTmp = WordUtils.capitalize(str.toLowerCase());
        strTmp = strTmp.replaceAll(" Da ", " da ");
        strTmp = strTmp.replaceAll(" Das ", " das ");
        strTmp = strTmp.replaceAll(" Dos ", " dos ");
        strTmp = strTmp.replaceAll(" De ", " de ");
        strTmp = strTmp.replaceAll(" Do ", " do ");
        strTmp = strTmp.replaceAll(" Du ", " du ");
        strTmp = strTmp.replaceAll(" E ", " e ");
        return strTmp;
    }

}