bdkosher

@groovy.transform.Field String pattern = 'A__S__E'

class XWordCategory {
    static boolean matchesPattern(String self, String pattern) {
          pattern == null ? false : self ==~ pattern.replace('_', /\w{1}/)
    }
}

use(XWordCategory) {
    assert 'KEPI'.matchesPattern('____')

bdkosher

import groovy.time.TimeCategory

[Date, Integer].each { it.mixin(TimeCategory) }

println Date.parse('yyyy-MM-dd', '2014-04-04') + 1.months

bdkosher

assert String.format('%tA', Date.parse('yyyy-MM-dd', '2013-02-04')) == 'Monday'

bdkosher

// Ex 1: Convert words in list to upper case
List<String> output = wordList.stream()
                              .map(String::toUpperCase)
                              .collect(Collectors.toList());

// Ex 2: Finds words in list with even length
List<String> output = wordList.stream()
                              .filter(w -> w.length() & 1 == 0)
                              .collect(Collectors.toList());

bdkosher

InputStream.metaClass.eachChunk << { int preferredChunkSize, Closure closure ->
    delegate.eachByte(preferredChunkSize) { buffer, bytesRead ->
        if (bytesRead == preferredChunkSize) {
            closure(buffer)
        } else if (bytesRead > 0) {
            byte[] data = new byte[bytesRead]
            System.arraycopy(buffer, 0, data, 0, bytesRead)
            closure(data)
        }
    }

bdkosher

// For moving jars in order to take advantage of Groovy's indy feature
def groovyHome = args.length == 0 ? new File('.') : new File(args[0])
def libDir = new File(groovyHome, 'lib')
def indyDir = new File(groovyHome, 'indy')

if (!groovyHome.exists() || !libDir.exists() || !indyDir.exists() || !new File(groovyHome, 'bin').exists()) {
    println "$groovyHome does not appear to be a valid Groovy Home"
    System.exit(0)
}

bdkosher

int colToIndex(String col) {
    col.length() == 1 ? col.chars[0] - 65 : (col.chars[0] - 64) * Math.pow(26, col.length() - 1) + colToIndex(col.substring(1))
}

[A:0, B:1, Y:24, Z:25, AA:26, AB:27, AY:50, AZ:51, BA:52, BB:53, 
 BY:76, BZ:77, CA:78, CB:79, CY:102, CZ:103, DA:104, DB:105, 
 ZY:700, ZZ:701, AAA:702, AAB: 703, AAZ: 727, ABA: 728, AZZ: 1377, 
 BAA:1378 ].each { k, v -> 
    assert colToIndex(k) == v 
}

bdkosher

// returns combinations of the input list of the provided size, r
def combinationsOf = { List list, int r ->
    assert (0..<list.size()).contains(r)
    def combs = [] as Set
    list.eachPermutation {
        combs << it.subList(0, r).sort { a, b -> a <=> b }
    }
    combs as List
}

bdkosher

@Grab(group='org.ccil.cowan.tagsoup', module='tagsoup', version='1.2')
@Grab(group='org.springframework', module='spring-web', version='3.2.10.RELEASE')
import static org.springframework.web.util.UriUtils.encodeQuery
import groovy.transform.TupleConstructor

class MvnRepository {
    def parser = new XmlSlurper(new org.ccil.cowan.tagsoup.Parser())

    String findGroupId(String artifactId) {
        String groupId = null

bdkosher

@tasklist /NH /FI "IMAGENAME eq chrome.exe" | groovy -e "int tm = 0, ci = 0; new BufferedReader(new InputStreamReader(System.in)).text.eachLine { def p = it.split(/\s{2,}/); if (p.length == 4) {tm += (p[-1] - ',' - ' K') as int; ci++}  }; println tm + ' (' + ci + ' instances)'"