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java.lang.Objectrecognizer.Utils
public class Utils
Library of program-independent static methods.
Constructor Summary | |
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Utils()
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Method Summary | |
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static int |
countMatches(java.lang.String regex,
java.lang.String text)
Counts the number of times a pattern appears in a string. |
static void |
printHash(java.util.Hashtable<? extends java.lang.Object,? extends java.lang.Object> ht,
java.io.PrintStream out)
Prints the content of a hashtable containing strings to the standard output. |
static void |
printMap(java.util.Map<? extends java.lang.Object,? extends java.lang.Object> map,
java.io.PrintStream out)
Prints the content of a Map containing strings to the standard output. |
static java.lang.String |
readDir(java.io.File dir)
Reads the content of all files in a directory into a single string. |
static java.lang.String |
readFile(java.io.File file)
Reads the content of a text file into a string. |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Utils()
Method Detail |
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public static int countMatches(java.lang.String regex, java.lang.String text)
regex
- regular expression string to be matched, it must be in the
appropriate format to be compiled into a Pattern object.text
- input text.
public static void printHash(java.util.Hashtable<? extends java.lang.Object,? extends java.lang.Object> ht, java.io.PrintStream out) throws java.lang.Exception
ht
- hashtable with string keys and values that can be represented
using their toString() method.out
- output stream.
java.lang.Exception
public static void printMap(java.util.Map<? extends java.lang.Object,? extends java.lang.Object> map, java.io.PrintStream out) throws java.lang.Exception
map
- map with string keys and values that can be represented
using their toString() method.out
- output stream.
java.lang.Exception
public static java.lang.String readFile(java.io.File file) throws java.lang.Exception
file
- text file.
java.lang.Exception
public static java.lang.String readDir(java.io.File dir) throws java.lang.Exception
dir
- directory containing text files.
java.lang.Exception
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