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match words refactoring

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mherbaghinyan 2019-01-13 10:42:18 +04:00
parent ea5039f1a1
commit 16bed6f64b
1 changed files with 19 additions and 18 deletions
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37
java-strings/src/main/java/com/baeldung/string/MatchWords.java
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@ -9,21 +9,21 @@ import java.util.regex.Pattern;
public class MatchWords { public class MatchWords {
public static void main(String[] args) { public static void main(String[] args) {
String[] items = {"hello", "Baeldung"}; String[] words = {"hello", "Baeldung"};
String inputString = "hello there, Baeldung"; String inputString = "hello there, Baeldung";
System.out.println(containsWords(inputString, items)); containsWords(inputString, words);
System.out.println(java8(new ArrayList<>(Arrays.asList(inputString.split(" "))), new ArrayList<>(Arrays.asList(items)))); containsWordsJava8(new ArrayList<>(Arrays.asList(inputString.split(" "))), new ArrayList<>(Arrays.asList(words)));
System.out.println(patternMatch(inputString)); containsWordsPatternMatch(inputString, words);
ahoCorasick(); containsWordsAhoCorasick(inputString, words);
indexOfWords(inputString, items); containsWordsIndexOf(inputString, words);
} }
private static boolean indexOfWords(String inputString, String[] words) { private static boolean containsWordsIndexOf(String inputString, String[] words) {
boolean found = true; boolean found = true;
for (String word : words) { for (String word : words) {
int index = inputString.indexOf(word); int index = inputString.indexOf(word);
@ -46,30 +46,31 @@ public class MatchWords {
return found; return found;
} }
private static void ahoCorasick() { private static boolean containsWordsAhoCorasick(String inputString, String[] words) {
Trie trie = Trie.builder() Trie trie = Trie.builder()
.onlyWholeWords() .onlyWholeWords()
.addKeyword("hello") .addKeyword(words[0])
.addKeyword("Baeldung") .addKeyword(words[1])
.build(); .build();
Collection<Emit> emits = trie.parseText("hello there, Baeldung"); Collection<Emit> emits = trie.parseText(inputString);
emits.forEach(System.out::println);
return emits.size() == words.length;
} }
private static boolean patternMatch(String inputString) { private static boolean containsWordsPatternMatch(String inputString, String[] words) {
Pattern pattern = Pattern.compile("(?=.*hello)(?=.*Baeldung)"); Pattern pattern = Pattern.compile("(?=.*words[0])(?=.*words[1])");
if (pattern.matcher(inputString).find()) { if (pattern.matcher(inputString).find()) {
return true; return true;
} }
return false; return false;
} }
private static boolean java8(ArrayList<String> inputString, ArrayList<String> items) { private static boolean containsWordsJava8(ArrayList<String> inputString, ArrayList<String> words) {
return items.stream().allMatch(inputString::contains); return words.stream().allMatch(inputString::contains);
} }
private static boolean array(ArrayList<String> inputString, ArrayList<String> items) { private static boolean containsWordsArray(ArrayList<String> inputString, ArrayList<String> words) {
return inputString.containsAll(items); return inputString.containsAll(words);
} }
} }