/hudson-core/src/main/java/hudson/tools/InstallerTranslator.java
http://github.com/hudson/hudson · Java · 70 lines · 37 code · 6 blank · 27 comment · 8 complexity · 734e1385fe9a3bca23a1b5ac9730f113 MD5 · raw file
- /*
- * The MIT License
- *
- * Copyright (c) 2009, Sun Microsystems, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
- package hudson.tools;
- import hudson.Extension;
- import hudson.model.Node;
- import hudson.model.TaskListener;
- import java.io.IOException;
- import java.util.Map;
- import java.util.WeakHashMap;
- import java.util.concurrent.Semaphore;
- /**
- * Actually runs installations.
- * @since 1.305
- */
- @Extension
- public class InstallerTranslator extends ToolLocationTranslator {
- private static final Map<Node,Map<ToolInstallation,Semaphore>> mutexByNode = new WeakHashMap<Node,Map<ToolInstallation,Semaphore>>();
- public String getToolHome(Node node, ToolInstallation tool, TaskListener log) throws IOException, InterruptedException {
- InstallSourceProperty isp = tool.getProperties().get(InstallSourceProperty.class);
- if (isp == null) {
- return null;
- }
- for (ToolInstaller installer : isp.installers) {
- if (installer.appliesTo(node)) {
- Map<ToolInstallation, Semaphore> mutexByTool = mutexByNode.get(node);
- if (mutexByTool == null) {
- mutexByNode.put(node, mutexByTool = new WeakHashMap<ToolInstallation, Semaphore>());
- }
- Semaphore semaphore = mutexByTool.get(tool);
- if (semaphore == null) {
- mutexByTool.put(tool, semaphore = new Semaphore(1));
- }
- semaphore.acquire();
- try {
- return installer.performInstallation(tool, node, log).getRemote();
- } finally {
- semaphore.release();
- }
- }
- }
- return null;
- }
- }