added windows live support and example

src/main/java/org/scribe/builder/api/LiveApi.java

@@ -0,0 +1,37 @@
+package org.scribe.builder.api;
+
+import org.scribe.extractors.*;
+
+import org.scribe.model.*;
+
+import org.scribe.utils.*;
+
+import static org.scribe.utils.URLUtils.*;
+
+public class LiveApi extends DefaultApi20 {
+
+	private static final String AUTHORIZE_URL = "https://oauth.live.com/authorize?client_id=%s&redirect_uri=%s&response_type=code";
+	private static final String SCOPED_AUTHORIZE_URL = AUTHORIZE_URL + "&scope=%s";
+
+	@Override
+	public String getAccessTokenEndpoint() {
+		return "https://oauth.live.com/token?grant_type=authorization_code";
+	}
+
+	@Override
+	public String getAuthorizationUrl(OAuthConfig config) {
+		Preconditions.checkValidUrl(config.getCallback(), "Must provide a valid url as callback. Live does not support OOB");
+
+		// Append scope if present
+		if (config.hasScope()) {
+			return String.format(SCOPED_AUTHORIZE_URL, config.getApiKey(), formURLEncode(config.getCallback()), formURLEncode(config.getScope()));
+		} else {
+			return String.format(AUTHORIZE_URL, config.getApiKey(), formURLEncode(config.getCallback()));
+		}
+	}
+
+	@Override
+	public AccessTokenExtractor getAccessTokenExtractor() {
+		return new JsonTokenExtractor();
+	}
+}