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Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.6.2/modules/domain-manager/src/main/java/org/apache/tuscany/sca/domain/manager/impl/QuickStartServiceImpl.java')
| -rw-r--r-- | sca-java-1.x/branches/sca-java-1.6.2/modules/domain-manager/src/main/java/org/apache/tuscany/sca/domain/manager/impl/QuickStartServiceImpl.java | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/domain-manager/src/main/java/org/apache/tuscany/sca/domain/manager/impl/QuickStartServiceImpl.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/domain-manager/src/main/java/org/apache/tuscany/sca/domain/manager/impl/QuickStartServiceImpl.java new file mode 100644 index 0000000000..9c2092656e --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/modules/domain-manager/src/main/java/org/apache/tuscany/sca/domain/manager/impl/QuickStartServiceImpl.java @@ -0,0 +1,242 @@ +/* + * 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.domain.manager.impl; + +import static org.apache.tuscany.sca.domain.manager.impl.DomainManagerUtil.compositeKey; +import static org.apache.tuscany.sca.domain.manager.impl.DomainManagerUtil.compositeQName; +import static org.apache.tuscany.sca.domain.manager.impl.DomainManagerUtil.contributionURI; +import static org.apache.tuscany.sca.domain.manager.impl.DomainManagerUtil.nodeURI; + +import java.io.IOException; +import java.net.URI; +import java.net.URLDecoder; +import java.util.HashSet; +import java.util.Set; +import java.util.logging.Level; +import java.util.logging.Logger; + +import javax.servlet.Servlet; +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import javax.xml.namespace.QName; +import javax.xml.parsers.ParserConfigurationException; + +import org.apache.tuscany.sca.data.collection.Entry; +import org.apache.tuscany.sca.data.collection.Item; +import org.apache.tuscany.sca.data.collection.LocalItemCollection; +import org.apache.tuscany.sca.data.collection.NotFoundException; +import org.osoa.sca.annotations.Init; +import org.osoa.sca.annotations.Reference; +import org.osoa.sca.annotations.Scope; +import org.osoa.sca.annotations.Service; + +/** + * Implementation of a component that provides a quick start path for a + * composite in a contribution. + * + * @version $Rev$ $Date$ + */ +@Scope("COMPOSITE") +@Service(interfaces={Servlet.class}) +public class QuickStartServiceImpl extends HttpServlet { + private static final long serialVersionUID = -3477992129462720901L; + + private static final Logger logger = Logger.getLogger(QuickStartServiceImpl.class.getName()); + + @Reference + public LocalItemCollection contributionCollection; + + @Reference + public LocalItemCollection deployableCollection; + + @Reference + public LocalItemCollection domainCompositeCollection; + + @Reference + public LocalItemCollection cloudCollection; + + @Reference + public LocalItemCollection processCollection; + + /** + * Initialize the component. + */ + @Init + public void initialize() throws ParserConfigurationException { + } + + @Override + protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + try { + + // Get the request path + String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8"); + if (path.startsWith("/")) { + path = path.substring(1); + } + + // Get the request parameters + String contributionURI = request.getParameter("contribution"); + String contributionLocation = request.getParameter("location"); + String compositeURI = request.getParameter("composite"); + String start = request.getParameter("start"); + + logger.info("Composite Quick Start."); + logger.info("Contribution URI: " + contributionURI); + logger.info("Contribution location: " + contributionLocation); + logger.info("Composite URI: " + compositeURI); + + // Look for the contribution in the workspace + Entry<String, Item>[] contributionEntries = contributionCollection.getAll(); + Entry<String, Item> contributionEntry = null; + for (Entry<String, Item> entry: contributionEntries) { + if (entry.getKey() != null && + contributionURI.equals(entry.getKey())) { + contributionEntry = entry; + break; + } + } + + // Add the contribution if necessary + if (contributionEntry == null) { + Item item = new Item(); + item.setLink(contributionLocation); + contributionCollection.post(contributionURI, item); + } + + // Look for the specified deployable composite in the contribution + String compositeKey = null; + Entry<String, Item>[] deployableEntries = deployableCollection.query("contribution=" + contributionURI); + for (Entry<String, Item> entry: deployableEntries) { + Item item = entry.getData(); + String compositeFileName = compositeURI.substring(compositeURI.lastIndexOf("/") + 1); + if (contributionURI.equals(contributionURI(entry.getKey())) && + (item.getAlternate().endsWith(compositeURI) || + item.getAlternate().endsWith(compositeFileName))) { + compositeKey = entry.getKey(); + break; + } + } + + if (compositeKey == null) { + logger.info("Composite not found"); + response.sendError(HttpServletResponse.SC_NOT_FOUND, compositeURI); + return; + } + + // Look for the deployable composite in the domain composite + try { + domainCompositeCollection.get(compositeKey); + } catch (NotFoundException e) { + + // Add the deployable composite to the domain composite + Item item = new Item(); + domainCompositeCollection.post(compositeKey, item); + } + + // Check if the deployable composite is already assigned a node + Entry<String, Item>[] nodeEntries = cloudCollection.getAll(); + String nodeName = null; + for (Entry<String, Item> entry: nodeEntries) { + Item item = entry.getData(); + String related = item.getRelated(); + if (related != null) { + int c = related.indexOf("composite:"); + related = related.substring(c); + if (compositeKey.equals(related)) { + nodeName = compositeQName(entry.getKey()).getLocalPart(); + } + } + } + + // Create a new node for the composite if necessary + if (nodeName == null) { + + // Construct node name and key + QName compositeName = compositeQName(compositeKey); + nodeName = compositeName.getLocalPart() + "Node"; + String nodeKey = compositeKey("http://tuscany.apache.org/cloud", new QName("http://tuscany.apache.org/cloud", nodeName)); + + // Find a free node port + Set<Integer> nodePorts = new HashSet<Integer>(); + for (Entry<String, Item> entry: nodeEntries) { + Item item = entry.getData(); + String uri = nodeURI(item.getContents()); + if (uri != null) { + URI u = URI.create(uri); + int port = u.getPort(); + if (port != -1) { + nodePorts.add(port); + } + } + } + String nodeURI = null; + for (int port = 8100; port<8200; port++) { + if (!nodePorts.contains(port)) { + nodeURI = "http://localhost:" + port; + break; + } + } + if (nodeURI == null) { + throw new RuntimeException("Couldn't find a free port for new node: " + nodeName); + } + + // Build the entry describing the node + Item item = new Item(); + String content = + "<composite xmlns=\"http://www.osoa.org/xmlns/sca/1.0\"\n" + + " xmlns:t=\"http://tuscany.apache.org/xmlns/sca/1.0\"\n" + + " targetNamespace=\"http://tuscany.apache.org/cloud\"\n" + + " xmlns:c=\"" + compositeName.getNamespaceURI() + "\"\n" + + " name=\"" + nodeName + "\">\n" + + "\n" + + " <component name=\"" + nodeName + "\">\n" + + " <t:implementation.node uri=\"" + contributionURI + "\" composite=\"c:" + compositeName.getLocalPart() + "\"/>\n" + + " <service name=\"Node\">\n" + + " <binding.sca uri=\"" + nodeURI + "\"/>\n" + + " <binding.ws uri=\"" + nodeURI + "\"/>\n" + + " <t:binding.http uri=\"" + nodeURI + "\"/>\n" + + " <t:binding.jsonrpc uri=\"" + nodeURI + "\"/>\n" + + " <t:binding.atom uri=\"" + nodeURI + "\"/>\n" + + " </service>\n" + + " </component>\n" + + "</composite>"; + item.setContents(content); + + // Create the new node + cloudCollection.post(nodeKey, item); + } + + // Finally, start the node + if ("true".equals(start)) { + processCollection.post(nodeName, new Item()); + } + + response.getWriter().print("<html><body>Node <span id=\"node\">" + nodeName + "</span> OK.</body></html>"); + + } catch (Exception e) { + logger.log(Level.SEVERE, "Could not start composite", e); + response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.toString()); + } + } + +} |