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Commit d41c1132414340f9239204da6c63c4d4949b1550

Authored by Emerson Oliveira
1 parent b3e2c357
Exists in master

Adição de javadoc à classe br.gov.frameworkdemoiselle.util.String

Showing 1 changed file with 108 additions and 0 deletions   Show diff stats
impl/core/src/main/java/br/gov/frameworkdemoiselle/util/Strings.java
  Diff comments   View file @d41c113
... ... @@ -43,15 +43,41 @@ import java.util.regex.Pattern;
43 43  
44 44 import br.gov.frameworkdemoiselle.annotation.Ignore;
45 45  
  46 +/**
  47 + * Contain a set of methods that implements a set of functionalities that envolves manipulation of strings.
  48 + *
  49 + * @author SERPRO
  50 + */
46 51 public final class Strings {
47 52  
48 53 private Strings() {
49 54 }
50 55  
  56 + /**
  57 + * Returns if some string matches with the format of a ResourceBundle key or not.
  58 + *
  59 + * @param key
  60 + * string to check if matches with key format of ResourceBundle.
  61 + *
  62 + * @return boolean
  63 + * true if matches and false otherwise.
  64 + */
51 65 public static boolean isResourceBundleKeyFormat(final String key) {
52 66 return Pattern.matches("^\\{(.+)\\}$", key == null ? "" : key);
53 67 }
54 68  
  69 + /**
  70 + * Removes specific characteres from a given string.
  71 + *
  72 + * @param string
  73 + * string to be changed, by the removing of some characters.
  74 + *
  75 + * @param chars
  76 + * characters to be removed from string.
  77 + *
  78 + * @return String
  79 + * returns the given string without the given characters.
  80 + */
55 81 public static String removeChars(String string, char... chars) {
56 82 String result = string;
57 83  
... ... @@ -63,6 +89,20 @@ public final class Strings {
63 89 return result;
64 90 }
65 91  
  92 + /**
  93 + * Inserts the character "0" in the begin of a given string. The quantity of zeros that will be placed
  94 + * depends on the difference between the length of the given string and the value of howMuchZeros.
  95 + *
  96 + * @param string
  97 + * string to insert zeros characthers.
  98 + *
  99 + * @param howMuchZeros
  100 + * its controls how much zeros will be insert.
  101 + *
  102 + * @return String
  103 + * Retuns the string, added with appropriate number of zeros.
  104 + * For exemplo, if string = "yes" and howMuchZeros = 5, the returned string will be "00yes".
  105 + */
66 106 public static String insertZeros(String string, int howMuchZeros) {
67 107 StringBuffer result = new StringBuffer((string == null ? "" : string).trim());
68 108 int difference = howMuchZeros - result.toString().length();
... ... @@ -74,6 +114,22 @@ public final class Strings {
74 114 return result.toString();
75 115 }
76 116  
  117 + /**
  118 + * <p>
  119 + * Replaces the numbers between braces in the given string with the given parameters.
  120 + * The process will replace a number between braces for the parameter for which its order
  121 + * in the set of parameters matches with the number of the given string.
  122 + * <p>
  123 + * For exemple, if is received the following string "Treats an {0} exception" and the set of parameters
  124 + * {"DemoiselleException"}, the return will be the following string: "Treats an DemoiselleException exception".
  125 + *
  126 + * @param string
  127 + * with the numbers with braces to be replaced with the parameters.
  128 + * @param params
  129 + * parameters that will replace the number with braces in the given string.
  130 + * @return String
  131 + * string with numbers replaced with the matching parameter.
  132 + */
77 133 public static String getString(final String string, final Object... params) {
78 134 String result = null;
79 135  
... ... @@ -92,10 +148,28 @@ public final class Strings {
92 148 return result;
93 149 }
94 150  
  151 + /**
  152 + * Verifies if a given string is empty or null.
  153 + *
  154 + * @param string
  155 + * string to be verified.
  156 + *
  157 + * @return boolean
  158 + * returns true if the given string is empty or null and returns false otherwise.
  159 + */
95 160 public static boolean isEmpty(String string) {
96 161 return string == null || string.trim().isEmpty();
97 162 }
98 163  
  164 + /**
  165 + * Converts any object to string.
  166 + *
  167 + * @param object
  168 + * object to be converted.
  169 + *
  170 + * @return String
  171 + * the given object converted to string.
  172 + */
99 173 public static String toString(Object object) {
100 174 StringBuffer result = new StringBuffer();
101 175 Object fieldValue;
... ... @@ -127,6 +201,16 @@ public final class Strings {
127 201 return result.toString();
128 202 }
129 203  
  204 + /**
  205 + * Replace the camel case string for a lowercase string separated for a given symbol.
  206 + *
  207 + * @param string
  208 + * string that separeted with camel case.
  209 + * @param symbol
  210 + * simbol to be the new separator for the given string.
  211 + * @return String
  212 + * the given string separated with the given symbol.
  213 + */
130 214 public static String camelCaseToSymbolSeparated(String string, String symbol) {
131 215 if (symbol == null) {
132 216 symbol = "";
... ... @@ -135,6 +219,14 @@ public final class Strings {
135 219 return string == null ? null : string.replaceAll("\\B([A-Z])", symbol + "$1").toLowerCase();
136 220 }
137 221  
  222 + /**
  223 + * Sets the first character of a given string to upper case.
  224 + *
  225 + * @param string
  226 + *
  227 + * @return String
  228 + * the given string with the first character setted to upper case.
  229 + */
138 230 public static String firstToUpper(String string) {
139 231 String result = string;
140 232  
... ... @@ -145,6 +237,14 @@ public final class Strings {
145 237 return result;
146 238 }
147 239  
  240 + /**
  241 + * Removes braces from a given string.
  242 + *
  243 + * @param string
  244 + *
  245 + * @return String
  246 + * the given string without braces.
  247 + */
148 248 public static String removeBraces(String string) {
149 249 String result = string;
150 250  
... ... @@ -155,6 +255,14 @@ public final class Strings {
155 255 return result;
156 256 }
157 257  
  258 + /**
  259 + * Inserts braces in a given string.
  260 + *
  261 + * @param string
  262 + *
  263 + * @return String
  264 + * the given string with braces.
  265 + */
158 266 public static String insertBraces(String string) {
159 267 String result = string;
160 268  
... ...