Wordpress + JSON API pluginで投稿を作成する

Wordpress + JSON API pluginで投稿を作成するには、以下のコードを実行します。

@Grab(group='org.apache.httpcomponents', module='httpclient', version='4.1.2')
import org.apache.http.*
import org.apache.http.client.*
import org.apache.http.client.entity.*
import org.apache.http.client.methods.*
import org.apache.http.impl.client.*
import org.apache.http.message.*
import org.apache.http.protocol.*
import groovy.json.*

httpclient = new DefaultHttpClient()
// ログイン
method = new HttpPost("http://localhost/wp-login.php")
values = [
  new BasicNameValuePair("log", "admin"),
  new BasicNameValuePair("pwd", "admin"),
  new BasicNameValuePair("redirect_to", "http://localhost/"),
  new BasicNameValuePair("testcookie", "1")
]
method.setEntity(new UrlEncodedFormEntity(values, HTTP.UTF_8))
response = httpclient.execute(method)
println response.getStatusLine().getStatusCode()
println response.getEntity().getContent().text

// nonceを取得
method = new HttpGet("http://localhost/?json=get_nonce&" +
  "method=create_post&controller=posts"
)
response = httpclient.execute(method)
json = new JsonSlurper().parseText(response.getEntity().getContent().text)
println json
nonce = json.nonce

// 投稿の作成
title="groovyによる投稿"
content="groovyによる投稿です。"
author="admin"
categories="groovy,wordpress"
tags="howto"
method = new HttpGet("http://localhost/?json=create_post&nonce=${nonce}&" +
  "status=publish&title=${title}&content=${content}&" +
  "author=${author}&categories=${categories}&tags=${tags}"
)
response = httpclient.execute(method)
json = new JsonSlurper().parseText(response.getEntity().getContent().text)
println json

動作環境
groovy 1.8.4, JDK6 Update29, Wordpress 3.2.1, JSON API plugin 1.0.7

JSON APIのページ
http://wordpress.org/extend/plugins/json-api/