Move HttpSupport's configureHttpProxy to jgit-pgm

This is the last chunk of code in jgit-core which references the awtui
package.  Moving it to the only consumer in jgit-pgm allows us to move
the awtui package over to the jgit-awtui module.

Change-Id: I2fd81be2076117b2f2c5f8ed45de7f29272af6cf
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Main.java

 /*
- * Copyright (C) 2008-2009, Google Inc.
- * Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
  * Copyright (C) 2006, Robin Rosenberg <robin.rosenberg@dewire.com>
  * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
  * and other copyright owners as documented in the project's IP log.
@@ -47,19 +45,20 @@
 package org.eclipse.jgit.pgm;
 
 import java.io.File;
+import java.net.MalformedURLException;
+import java.net.URL;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.kohsuke.args4j.Argument;
-import org.kohsuke.args4j.CmdLineException;
-import org.kohsuke.args4j.ExampleMode;
-import org.kohsuke.args4j.Option;
 import org.eclipse.jgit.awtui.AwtAuthenticator;
 import org.eclipse.jgit.errors.TransportException;
 import org.eclipse.jgit.lib.Repository;
 import org.eclipse.jgit.pgm.opt.CmdLineParser;
 import org.eclipse.jgit.pgm.opt.SubcommandHandler;
-import org.eclipse.jgit.util.HttpSupport;
+import org.kohsuke.args4j.Argument;
+import org.kohsuke.args4j.CmdLineException;
+import org.kohsuke.args4j.ExampleMode;
+import org.kohsuke.args4j.Option;
 
 /** Command line entry point. */
 public class Main {
@@ -88,7 +87,7 @@ public static void main(final String[] argv) {
 		final Main me = new Main();
 		try {
 			AwtAuthenticator.install();
-			HttpSupport.configureHttpProxy();
+			configureHttpProxy();
 			me.execute(argv);
 		} catch (Die err) {
 			System.err.println("fatal: " + err.getMessage());
@@ -181,4 +180,43 @@ private static File findGitDir() {
 		}
 		return null;
 	}
+
+	/**
+	 * Configure the JRE's standard HTTP based on <code>http_proxy</code>.
+	 * <p>
+	 * The popular libcurl library honors the <code>http_proxy</code>
+	 * environment variable as a means of specifying an HTTP proxy for requests
+	 * made behind a firewall. This is not natively recognized by the JRE, so
+	 * this method can be used by command line utilities to configure the JRE
+	 * before the first request is sent.
+	 *
+	 * @throws MalformedURLException
+	 *             the value in <code>http_proxy</code> is unsupportable.
+	 */
+	private static void configureHttpProxy() throws MalformedURLException {
+		final String s = System.getenv("http_proxy");
+		if (s == null || s.equals(""))
+			return;
+
+		final URL u = new URL((s.indexOf("://") == -1) ? "http://" + s : s);
+		if (!"http".equals(u.getProtocol()))
+			throw new MalformedURLException("Invalid http_proxy: " + s
+					+ ": Only http supported.");
+
+		final String proxyHost = u.getHost();
+		final int proxyPort = u.getPort();
+
+		System.setProperty("http.proxyHost", proxyHost);
+		if (proxyPort > 0)
+			System.setProperty("http.proxyPort", String.valueOf(proxyPort));
+
+		final String userpass = u.getUserInfo();
+		if (userpass != null && userpass.contains(":")) {
+			final int c = userpass.indexOf(':');
+			final String user = userpass.substring(0, c);
+			final String pass = userpass.substring(c + 1);
+			AwtAuthenticator.add(new AwtAuthenticator.CachedAuthentication(
+					proxyHost, proxyPort, user, pass));
+		}
+	}
 }

org.eclipse.jgit/src/org/eclipse/jgit/util/HttpSupport.java

@@ -47,56 +47,14 @@
 import java.io.UnsupportedEncodingException;
 import java.net.ConnectException;
 import java.net.HttpURLConnection;
-import java.net.MalformedURLException;
 import java.net.Proxy;
 import java.net.ProxySelector;
 import java.net.URISyntaxException;
 import java.net.URL;
 import java.net.URLEncoder;
 
-import org.eclipse.jgit.awtui.AwtAuthenticator;
-
 /** Extra utilities to support usage of HTTP. */
 public class HttpSupport {
-	/**
-	 * Configure the JRE's standard HTTP based on <code>http_proxy</code>.
-	 * <p>
-	 * The popular libcurl library honors the <code>http_proxy</code>
-	 * environment variable as a means of specifying an HTTP proxy for requests
-	 * made behind a firewall. This is not natively recognized by the JRE, so
-	 * this method can be used by command line utilities to configure the JRE
-	 * before the first request is sent.
-	 *
-	 * @throws MalformedURLException
-	 *             the value in <code>http_proxy</code> is unsupportable.
-	 */
-	public static void configureHttpProxy() throws MalformedURLException {
-		final String s = System.getenv("http_proxy");
-		if (s == null || s.equals(""))
-			return;
-
-		final URL u = new URL((s.indexOf("://") == -1) ? "http://" + s : s);
-		if (!"http".equals(u.getProtocol()))
-			throw new MalformedURLException("Invalid http_proxy: " + s
-					+ ": Only http supported.");
-
-		final String proxyHost = u.getHost();
-		final int proxyPort = u.getPort();
-
-		System.setProperty("http.proxyHost", proxyHost);
-		if (proxyPort > 0)
-			System.setProperty("http.proxyPort", String.valueOf(proxyPort));
-
-		final String userpass = u.getUserInfo();
-		if (userpass != null && userpass.contains(":")) {
-			final int c = userpass.indexOf(':');
-			final String user = userpass.substring(0, c);
-			final String pass = userpass.substring(c + 1);
-			AwtAuthenticator.add(new AwtAuthenticator.CachedAuthentication(
-					proxyHost, proxyPort, user, pass));
-		}
-	}
-
 	/**
 	 * URL encode a value string into an output buffer.
 	 *