jsonを取得、表示するアプリケーション その５

レスポンスで取得したデータを整形する
ただこのままだと日本語がユニコードエスケープされたままになるので変換処理をかませる

json_client.groovy

import groovy.swing.SwingBuilder
import groovy.json.JsonOutput
import javax.swing.*
import java.awt.*

def cbMethod
def txtUrl
def txtParam
def txtJson

def tabPane

def prettyPrint = { text ->
	def result = JsonOutput.prettyPrint(text)
	(result =~ /\\u[0-9a-zA-Z]{4}/).each { match ->
		def code = match[2..5]
		def encTxt = new String([Integer.parseInt(code, 16)] as int[], 0, 1)
		result = result.replaceAll(/\\u${code}/, encTxt)
	}
	result
}

def sendRequest = {
	def url = txtUrl.text
	if (cbMethod.selectedItem == 'GET') {
		url = "${url}?${txtParam.text}"
	}
	
	def conn = url.toURL().openConnection()
	conn.requestMethod = cbMethod.selectedItem
	if (cbMethod.selectedItem == 'POST') {
		conn.doOutput = true
		conn.outputStream << txtParam.text
	}
	
	txtJson.text = prettyPrint(conn.inputStream.getText('utf-8'))
	tabPane.selectedIndex = 1
}

new SwingBuilder().frame(title:'jsonを取得、表示するアプリケーション', defaultCloseOperation:JFrame.EXIT_ON_CLOSE,
						size: [800, 600], show:true) {
	lookAndFeel('nimbus')
	borderLayout()
	hbox(constraints: BorderLayout.NORTH) {
		cbMethod = comboBox(items:['GET', 'POST'])
		txtUrl = textField()
		button(text:'送信', actionPerformed:sendRequest)
	}
	tabPane = tabbedPane(constraints: BorderLayout.CENTER) {
		scrollPane(name:'パラメータ') {
			txtParam = textArea()
		}
		scrollPane(name:'レスポンス') {
			txtJson = textArea(editable:false)
		}
	}
}