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Diffstat (limited to '')
| -rw-r--r-- | sandbox/event/modules/runtime/src/main/java/org/apache/tuscany/sca/runtime/Launcher.java | 424 |
1 files changed, 424 insertions, 0 deletions
diff --git a/sandbox/event/modules/runtime/src/main/java/org/apache/tuscany/sca/runtime/Launcher.java b/sandbox/event/modules/runtime/src/main/java/org/apache/tuscany/sca/runtime/Launcher.java new file mode 100644 index 0000000000..1f03ade970 --- /dev/null +++ b/sandbox/event/modules/runtime/src/main/java/org/apache/tuscany/sca/runtime/Launcher.java @@ -0,0 +1,424 @@ +/* + * 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.apache.tuscany.sca.runtime; + +import java.io.File; +import java.io.FileInputStream; +import java.io.FilenameFilter; +import java.io.IOException; +import java.net.MalformedURLException; +import java.net.URISyntaxException; +import java.net.URL; +import java.util.ArrayList; +import java.util.List; +import java.util.Properties; +import java.util.logging.Level; +import java.util.logging.Logger; + +import javax.xml.namespace.QName; + +//import org.apache.tuscany.sca.node.NodeException; +//import org.apache.tuscany.sca.node.SCANode; +//import org.apache.tuscany.sca.node.SCANodeFactory; + +/** + * A Launcher using a multiple nodes part as part of a domain + * + * @version $Rev$ $Date$ + */ +public class Launcher { + private static final Logger logger = Logger.getLogger(Launcher.class.getName()); + +// protected SCANodeFactory scaNodeFactory; +// protected List<SCANode> scaNodes; + protected String domainName; + protected File repository; + + protected boolean started; + + protected String cp; + + public Launcher(File repository) { + this(repository, "http://localhost:8080/Tuscany"); + } + + public Launcher(File repository, String cp) { + this.repository = repository; + this.cp = cp; + + initFromPropertyFile(); + + logger.info("SCA runtime starting"); + logger.info("repository: " + repository.getAbsolutePath()); + logger.info("domain: " + ((domainName != null) ? domainName : "STANDALONE")); + +// scaNodeFactory = SCANodeFactory.newInstance(); +// scaNodes = new ArrayList<SCANode>(); + + if (repository != null && repository.exists()) { +// if (isExplodedContribution(repository)) { +// addContributionFolder(repository); +// } else { +// addTopLevelJARs(repository); +// addSubFolders(repository); +// } + } + } + + protected boolean isExplodedContribution(File folder) { + return getJARsInFolder(folder).length < 1 && containsCompositeFile(folder); + } + +// protected void addContributionFolder(File folder) { +// SCANode repoNode; +// try { +// repoNode = createNode(cp); +// } catch (Exception e) { +// throw new RuntimeException(e); +// } +// +// try { +// repoNode.addContribution(folder.toURL().toString(), folder.toURL()); +// logger.info("added contribution folder: " + folder.toURL()); +// } catch (Exception e) { +// e.printStackTrace(); +// logger.log(Level.WARNING, "exception adding contribution folder: " + folder, e); +// } +// } +// +// protected URL[] addTopLevelJARs(File repository) { +// SCANode repoNode; +// try { +// repoNode = createNode(cp); +// } catch (Exception e) { +// throw new RuntimeException(e); +// } +// +// URL[] jars = getJARsInFolder(repository); +// for (URL jarURL : jars) { +// try { +// repoNode.addContribution(jarURL.toString(), jarURL); +// logger.info("added contribution: " + jarURL); +// } catch (NodeException e) { +// e.printStackTrace(); +// logger.log(Level.WARNING, "exception adding contribution: " + jarURL, e); +// } +// } +// +// return jars; +// } +// +// protected URL[] addSubFolders(File repository) { +// URL[] folders = getSubFolders(repository); +// for (URL folderURL : folders) { +// try { +// SCANode scaNode = createNode(cp + "/" + folderURL); +// scaNode.addContribution(folderURL.toString(), folderURL); +// logger.info("added contribution: " + folderURL); +// } catch (Exception e) { +// e.printStackTrace(); +// logger.log(Level.WARNING, "exception adding contribution: " + folderURL, e); +// } +// } +// return folders; +// } +// +// public void addContribution(URL contributionURL) throws NodeException { +// SCANode scaNode = createNode(cp + "/" + contributionURL); +// +// if (started && domainName == null) { +// scaNode.stop(); +// } +// +// scaNode.addContribution(contributionURL.toString(), contributionURL); +// logger.info("added contribution: " + contributionURL); +// +// if (started) { +// if (domainName == null) { +// scaNode.addToDomainLevelComposite((QName)null); +// scaNode.start(); +// } else { +// scaNode.addToDomainLevelComposite((QName)null); +// scaNode.start(); +// } +// } +// } +// +// public void start() { +// try { +// +// for (SCANode scaNode : scaNodes) { +// scaNode.addToDomainLevelComposite((QName)null); +// scaNode.start(); +// } +// +// } catch (NodeException e) { +// throw new RuntimeException(e); +// } +// started = true; +// } +// +// public void stop() { +// try { +// for (SCANode scaNode : scaNodes) { +// scaNode.stop(); +// } +// } catch (NodeException e) { +// throw new RuntimeException(e); +// } +// started = false; +// } +// +// public void destroy() { +// try { +// stop(); +// for (SCANode scaNode : scaNodes) { +// scaNode.destroy(); +// } +// } catch (NodeException e) { +// throw new RuntimeException(e); +// } +// } + + protected URL[] getJARsInFolder(File repository) { + + String[] jarNames = repository.list(new FilenameFilter() { + public boolean accept(File dir, String name) { + return name.endsWith(".jar"); + } + }); + + List<URL> contributionJars = new ArrayList<URL>(); + if (jarNames != null) { + for (String jar : jarNames) { + try { + contributionJars.add(new File(repository, jar).toURL()); + } catch (MalformedURLException e) { + throw new RuntimeException(e); + } + } + } + + return contributionJars.toArray(new URL[contributionJars.size()]); + } + + protected URL[] getSubFolders(File repositoryDir) { + String[] folderNames = repositoryDir.list(new FilenameFilter() { + public boolean accept(File dir, String name) { + return new File(dir, name).isDirectory(); + } + }); + + List<URL> contributionFolders = new ArrayList<URL>(); + if (folderNames != null) { + for (String folder : folderNames) { + try { + contributionFolders.add(new File(repositoryDir, folder).toURL()); + } catch (MalformedURLException e) { + throw new RuntimeException(e); + } + } + } + + return contributionFolders.toArray(new URL[contributionFolders.size()]); + } + + /** + * Tests if the directory or any sub-directories contains a .composite file + */ + protected boolean containsCompositeFile(File repository) { + String[] compositesFileNames = repository.list(new FilenameFilter() { + public boolean accept(File dir, String name) { + return name.endsWith(".composite"); + } + }); + + if (compositesFileNames == null || compositesFileNames.length < 1) { + for (URL subFolder : getSubFolders(repository)) { + try { + if (containsCompositeFile(new File(subFolder.toURI()))) { + return true; + } + } catch (URISyntaxException e) { + throw new RuntimeException(e); + } + } + return false; + } else { + return true; + } + } + + /** + * Creates a new SCA Node unless running as a standalone node in + * which case just a single node is used to run for all contributions + */ +// protected SCANode createNode(String nodeName) throws NodeException { +// SCANode scaNode; +// +// if (domainName == null || domainName.length() < 1) { +// if (scaNodes.size() < 1) { +// scaNode = scaNodeFactory.createSCANode(nodeName, null); +// scaNodes.add(scaNode); +// } else { +// scaNode = scaNodes.get(0); +// } +// } else { +// scaNode = scaNodeFactory.createSCANode(nodeName, null); +// scaNodes.add(scaNode); +// } +// +// return scaNode; +// } + + protected void initFromPropertyFile() { + File file = new File(repository, "tuscany.properties"); + if (!file.exists()) { + return; + } + + Properties properties = new Properties(); + try { + properties.load(new FileInputStream(file)); + } catch (IOException e) { + throw new RuntimeException(e); + } + +// if (properties.getProperty("nodeName") != null) { +// this.nodeName = properties.getProperty("nodeName"); +// } + if (properties.getProperty("domainName") != null && properties.getProperty("domainName").length() > 0) { + this.domainName = properties.getProperty("domainName"); + } +// if (properties.getProperty("hotDeployInterval") != null) { +// this.hotDeployInterval = Long.parseLong(properties.getProperty("hotDeployInterval")); +// } + } + +// protected void initHotDeploy(final File repository) { +// +// if (hotDeployInterval == 0) { +// return; // hotUpdateInterval of 0 disables hotupdate +// } +// +// Runnable runable = new Runnable() { +// +// public void run() { +// logger.info("Contribution hot deploy activated"); +// while (!stopHotDeployThread) { +// try { +// Thread.sleep(hotDeployInterval); +// } catch (InterruptedException e) { +// } +// if (!stopHotDeployThread) { +// checkForUpdates(repository); +// } +// } +// logger.info("contribution hot deploy stopped"); +// } +// }; +// hotDeployThread = new Thread(runable, "TuscanyHotDeploy"); +// stopHotDeployThread = false; +// hotDeployThread.start(); +// } +// +// protected void checkForUpdates(File repository) { +// URL[] currentContributions = getContributionJarURLs(repository); +// if (areContributionsAltered(currentContributions)) { +// restartNode(node); +// } +// } +// +// protected boolean areContributionsAltered(URL[] currentContrabutions) { +// try { +// +// List addedContributions = getAddedContributions(currentContrabutions); +// List removedContributions = getRemovedContributions(currentContrabutions); +// List updatedContributions = getUpdatedContributions(currentContrabutions); +// +// return (addedContributions.size() > 0 || removedContributions.size() > 0 || updatedContributions.size() > 0); +// +// } catch (URISyntaxException e) { +// throw new RuntimeException(e); +// } +// } +// +// protected List<URL> getAddedContributions(URL[] currentContrabutions) { +// List<URL> urls = new ArrayList<URL>(); +// for (URL url : currentContrabutions) { +// if (!existingContributions.containsKey(url)) { +// urls.add(url); +// } +// } +// return urls; +// } +// +// protected List<URL> getUpdatedContributions(URL[] currentContrabutions) throws URISyntaxException { +// List<URL> urls = new ArrayList<URL>(); +// for (URL url : currentContrabutions) { +// if (existingContributions.containsKey(url)) { +// File curentFile = new File(url.toURI()); +// if (curentFile.lastModified() != existingContributions.get(url)) { +// urls.add(url); +// logger.info("updated contribution: " + curentFile.getName()); +// } +// } +// } +// return urls; +// } +// +// protected List getRemovedContributions(URL[] currentContrabutions) throws URISyntaxException { +// List<URL> currentUrls = Arrays.asList(currentContrabutions); +// List<URL> urls = new ArrayList<URL>(); +// for (URL url : existingContributions.keySet()) { +// if (!currentUrls.contains(url)) { +// urls.add(url); +// } +// } +// for (URL url : urls) { +// logger.info("removed contributions: " + new File(url.toURI()).getName()); +// } +// return urls; +// } +// +// protected void copyFiles(File origin, File destination) throws IOException { +// if (origin.isDirectory()) { +// if (!destination.exists()) { +// destination.mkdir(); +// } +// for (String file : origin.list()) { +// copyFiles(new File(origin, file), new File(destination, file)); +// } +// } else { +// InputStream in = new FileInputStream(origin); +// OutputStream out = new FileOutputStream(destination); +// try { +// byte[] buf = new byte[4096]; +// int len; +// while ((len = in.read(buf)) > 0) { +// out.write(buf, 0, len); +// } +// } finally { +// in.close(); +// out.close(); +// } +// } +// } +} |