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ConfigureProxy task to set proxy before downloading Gradle
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Jaroslav Tulach
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Jan 25, 2019
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140 changes: 140 additions & 0 deletions
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nbbuild/antsrc/org/netbeans/nbbuild/extlibs/ConfigureProxy.java
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| @@ -0,0 +1,140 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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 org.netbeans.nbbuild.extlibs; | ||
|
|
||
| import java.io.IOException; | ||
| import java.net.InetSocketAddress; | ||
| import java.net.MalformedURLException; | ||
| import java.net.Proxy; | ||
| import java.net.URI; | ||
| import java.net.URISyntaxException; | ||
| import java.net.URL; | ||
| import java.net.URLConnection; | ||
| import java.util.concurrent.CountDownLatch; | ||
| import java.util.concurrent.ExecutorService; | ||
| import java.util.concurrent.Executors; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.logging.Level; | ||
| import java.util.logging.Logger; | ||
| import org.apache.tools.ant.BuildException; | ||
| import org.apache.tools.ant.Project; | ||
| import org.apache.tools.ant.Task; | ||
|
|
||
| public final class ConfigureProxy extends Task { | ||
| private URL connectTo; | ||
| private String hostProperty = "http.proxyHost"; | ||
| private String portProperty = "http.proxyPort"; | ||
|
|
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| public void setConnectTo(String uri) throws MalformedURLException { | ||
| connectTo = new URL(uri); | ||
| } | ||
|
|
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| public void setHostProperty(String host) { | ||
| hostProperty = host; | ||
| } | ||
|
|
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| public void setPortProperty(String port) { | ||
| portProperty = port; | ||
| } | ||
|
|
||
| @Override | ||
| public void execute() throws BuildException { | ||
| try { | ||
| URI[] connectedVia = { null }; | ||
| URLConnection connect = openConnection(this, connectTo, connectedVia); | ||
| if (connect == null) { | ||
| throw new BuildException("Cannot connect to " + connectedVia); | ||
| } | ||
|
|
||
| if (connectedVia[0] != null) { | ||
| final String host = connectedVia[0].getHost(); | ||
| log(String.format("Setting %s to %s", hostProperty, host), Project.MSG_INFO); | ||
| getProject().setUserProperty(hostProperty, host); | ||
| final int port = connectedVia[0].getPort(); | ||
| log(String.format("Setting %s to %d", portProperty, port), Project.MSG_INFO); | ||
| getProject().setUserProperty(portProperty, "" + port); | ||
| } | ||
| } catch (IOException ex) { | ||
| throw new BuildException(ex); | ||
| } | ||
| } | ||
|
|
||
| static URLConnection openConnection(Task task, final URL url, URI[] connectedVia) throws IOException { | ||
| final URLConnection[] conn = { null }; | ||
| final CountDownLatch connected = new CountDownLatch(1); | ||
| ExecutorService connectors = Executors.newFixedThreadPool(3); | ||
| connectors.submit(() -> { | ||
| String httpProxy = System.getenv("http_proxy"); | ||
| if (httpProxy != null) { | ||
| try { | ||
| URI uri = new URI(httpProxy); | ||
| InetSocketAddress address = InetSocketAddress.createUnresolved(uri.getHost(), uri.getPort()); | ||
| Proxy proxy = new Proxy(Proxy.Type.HTTP, address); | ||
| URLConnection test = url.openConnection(proxy); | ||
| test.connect(); | ||
| conn[0] = test; | ||
| connected.countDown(); | ||
| if (connectedVia != null) { | ||
| connectedVia[0] = uri; | ||
| } | ||
| } catch (IOException | URISyntaxException ex) { | ||
| task.log(ex, Project.MSG_ERR); | ||
| } | ||
| } | ||
| }); | ||
| connectors.submit(() -> { | ||
| String httpProxy = System.getenv("https_proxy"); | ||
| if (httpProxy != null) { | ||
| try { | ||
| URI uri = new URI(httpProxy); | ||
| InetSocketAddress address = InetSocketAddress.createUnresolved(uri.getHost(), uri.getPort()); | ||
| Proxy proxy = new Proxy(Proxy.Type.HTTP, address); | ||
| URLConnection test = url.openConnection(proxy); | ||
| test.connect(); | ||
| conn[0] = test; | ||
| connected.countDown(); | ||
| if (connectedVia != null) { | ||
| connectedVia[0] = uri; | ||
| } | ||
| } catch (IOException | URISyntaxException ex) { | ||
| task.log(ex, Project.MSG_ERR); | ||
| } | ||
| } | ||
| }); | ||
| connectors.submit(() -> { | ||
| try { | ||
| URLConnection test = url.openConnection(); | ||
| test.connect(); | ||
| conn[0] = test; | ||
| connected.countDown(); | ||
| } catch (IOException ex) { | ||
| task.log(ex, Project.MSG_ERR); | ||
| } | ||
| }); | ||
| try { | ||
| connected.await(5, TimeUnit.SECONDS); | ||
| } catch (InterruptedException ex) { | ||
| } | ||
| if (conn[0] == null) { | ||
| throw new IOException("Cannot connect to " + url); | ||
| } | ||
| return conn[0]; | ||
| } | ||
|
|
||
| } |
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