| /* |
| * Copyright 2007 Netflix, Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package net.oauth; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| /** |
| * A pool of OAuthConsumers that are constructed from Properties. Each consumer |
| * has a name, which is a property of the OAuthConsumer. Other properties come |
| * from Properties whose names are prefixed with the consumer's name. For |
| * example, a consumer's credentials come from properties named |
| * [name].consumerKey and [name].consumerSecret. |
| * |
| * @author John Kristian |
| * @hide |
| */ |
| public class ConsumerProperties { |
| |
| public static URL getResource(String name, ClassLoader loader) |
| throws IOException { |
| URL resource = loader.getResource(name); |
| if (resource == null) { |
| throw new IOException("resource not found: " + name); |
| } |
| return resource; |
| } |
| |
| public static Properties getProperties(URL source) throws IOException { |
| InputStream input = source.openStream(); |
| try { |
| Properties p = new Properties(); |
| p.load(input); |
| return p; |
| } finally { |
| input.close(); |
| } |
| } |
| |
| public ConsumerProperties(String resourceName, ClassLoader loader) |
| throws IOException { |
| this(getProperties(getResource(resourceName, loader))); |
| } |
| |
| public ConsumerProperties(Properties consumerProperties) { |
| this.consumerProperties = consumerProperties; |
| } |
| |
| private final Properties consumerProperties; |
| |
| private final Map<String, OAuthConsumer> pool = new HashMap<String, OAuthConsumer>(); |
| |
| /** Get the consumer with the given name. */ |
| public OAuthConsumer getConsumer(String name) throws MalformedURLException { |
| OAuthConsumer consumer; |
| synchronized (pool) { |
| consumer = pool.get(name); |
| } |
| if (consumer == null) { |
| consumer = newConsumer(name); |
| } |
| synchronized (pool) { |
| OAuthConsumer first = pool.get(name); |
| if (first == null) { |
| pool.put(name, consumer); |
| } else { |
| /* |
| * Another thread just constructed an identical OAuthConsumer. |
| * Use that one (and discard the one we just constructed). |
| */ |
| consumer = first; |
| } |
| } |
| return consumer; |
| } |
| |
| protected OAuthConsumer newConsumer(String name) |
| throws MalformedURLException { |
| String base = consumerProperties.getProperty(name |
| + ".serviceProvider.baseURL"); |
| URL baseURL = (base == null) ? null : new URL(base); |
| OAuthServiceProvider serviceProvider = new OAuthServiceProvider(getURL( |
| baseURL, name + ".serviceProvider.requestTokenURL"), getURL( |
| baseURL, name + ".serviceProvider.userAuthorizationURL"), |
| getURL(baseURL, name + ".serviceProvider.accessTokenURL")); |
| OAuthConsumer consumer = new OAuthConsumer(consumerProperties |
| .getProperty(name + ".callbackURL"), consumerProperties |
| .getProperty(name + ".consumerKey"), consumerProperties |
| .getProperty(name + ".consumerSecret"), serviceProvider); |
| consumer.setProperty("name", name); |
| if (baseURL != null) { |
| consumer.setProperty("serviceProvider.baseURL", baseURL); |
| } |
| for (Map.Entry prop : consumerProperties.entrySet()) { |
| String propName = (String) prop.getKey(); |
| if (propName.startsWith(name + ".consumer.")) { |
| String c = propName.substring(name.length() + 10); |
| consumer.setProperty(c, prop.getValue()); |
| } |
| } |
| return consumer; |
| } |
| |
| private String getURL(URL base, String name) throws MalformedURLException { |
| String url = consumerProperties.getProperty(name); |
| if (base != null) { |
| url = (new URL(base, url)).toExternalForm(); |
| } |
| return url; |
| } |
| |
| } |