nobeans

class DdlBuilder {
    def writer

    DdlBuilder(writer) { this.writer = writer }

    def scheme(Closure cls) {
        new NodeBuilder().scheme(cls).each { table ->
            writer.println "CREATE TABLE ${table.name()} ("
            writer.println table.collect { col ->
                "    ${col.name()} ${type(col.attribute('type'))}"

nobeans

import java.security.MessageDigest

println "-"*40
println "MessageDigest:"
File.metaClass.getMd5 = {
    MessageDigest.getInstance("md5").
            digest(delegate.readBytes()).
            collect{ String.format("%02x", it) }.
            join()
}

nobeans

def map = [a:'A', b:'B']

def sw = new StringWriter()
def builder = new groovy.xml.MarkupBuilder(sw)
builder.hoge {
    map.each { key, value ->
        "$key"(value)
    }
}
println sw.toString()

nobeans

String map2xml(Map input) {
    def sw = new StringWriter()
    def builder = new groovy.xml.MarkupBuilder(sw)
    builder.doubleQuotes = true
    builder.metaClass.recursive = { Map map ->
        map.each { key, value ->
            "${key}"(value in Map ? { recursive(value) } : value)
        }
    }
    builder.langs(type: "current") {

nobeans

class XmlConvertCategory {
    static String toXml(Map input) {
        def sw = new StringWriter()
        def builder = new groovy.xml.MarkupBuilder(sw)
        builder.doubleQuotes = true
        builder.metaClass.recursive = { Map map ->
            map.each { key, value ->
                "${key}"(value in Map ? { recursive(value) } : value)
            }
        }

nobeans

nnoremap <Space>gn :<C-u>w<CR>:Git now<CR>
nnoremap <Space>gN :<C-u>w<CR>:Git now --all<CR>

nobeans

import java.io.IOException;

public class MultiCatch {
    public static void main(String... args) {
        try {
            if (args.length == 1) {
                throw new IOException("!!");
            }
            if (args.length == 2) {
                throw new ClassNotFoundException("??");

nobeans

import java.io.IOException;

public class MultiCatch {

    static class X extends Exception {
        public void x() { System.out.println("XXX!"); }
    };
    static class A extends X {
        public void a() { System.out.println("AAA!"); }
    };

nobeans

// java.lang.Listにメソッドを追加する
List.metaClass.carcdr = {
    [delegate.head(), delegate.tail()]
}

assert [1, 2, 3].carcdr() == [1, [2, 3]]

{->
    def (car, cdr) = [1, 2, 3].carcdr()
    assert car == 1

nobeans

class Hoge {
    static String hoge(String delegate) {
        return "HOGE: $delegate"
    }
    static String foo(String delegate, String param) {
        return "FOO: $delegate ($param)"
    }
    static String bar(Class<String> string) {
        return "BAR"
    }