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Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.6.2/tools/eclipse/plugins/core/src/main/java/org/apache/tuscany/sca/core/launch/NodeLauncherUtil.java')
| -rw-r--r-- | sca-java-1.x/branches/sca-java-1.6.2/tools/eclipse/plugins/core/src/main/java/org/apache/tuscany/sca/core/launch/NodeLauncherUtil.java | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/tools/eclipse/plugins/core/src/main/java/org/apache/tuscany/sca/core/launch/NodeLauncherUtil.java b/sca-java-1.x/branches/sca-java-1.6.2/tools/eclipse/plugins/core/src/main/java/org/apache/tuscany/sca/core/launch/NodeLauncherUtil.java new file mode 100644 index 0000000000..c9b96c7031 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/tools/eclipse/plugins/core/src/main/java/org/apache/tuscany/sca/core/launch/NodeLauncherUtil.java @@ -0,0 +1,244 @@ +/* + * 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.core.launch; + +import static org.apache.tuscany.sca.core.launch.DomainManagerLauncherUtil.domainProject; +import static org.apache.tuscany.sca.core.launch.DomainManagerLauncherUtil.launchDomainManager; +import static org.apache.tuscany.sca.core.launch.TuscanyLaunchConfigurationDelegate.TUSCANY_LAUNCH_CONFIGURATIONTYPE; + +import java.io.IOException; +import java.io.OutputStream; +import java.net.MalformedURLException; +import java.net.Socket; + +import org.apache.tuscany.sca.core.classpath.ClasspathUtil; +import org.eclipse.core.resources.IFile; +import org.eclipse.core.resources.IResource; +import org.eclipse.core.runtime.CoreException; +import org.eclipse.core.runtime.IPath; +import org.eclipse.core.runtime.IProgressMonitor; +import org.eclipse.core.runtime.NullProgressMonitor; +import org.eclipse.core.runtime.SubProgressMonitor; +import org.eclipse.debug.core.DebugPlugin; +import org.eclipse.debug.core.ILaunchConfiguration; +import org.eclipse.debug.core.ILaunchConfigurationType; +import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy; +import org.eclipse.debug.core.ILaunchManager; +import org.eclipse.jdt.core.IClasspathEntry; +import org.eclipse.jdt.core.IJavaProject; +import org.eclipse.jdt.core.JavaCore; +import org.eclipse.jdt.core.JavaModelException; +import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants; + +/** + * Provides utility methods to launch SCA nodes. + * + * @version $Rev: $ $Date: $ + */ +public class NodeLauncherUtil { + + private static final String START_HEADER1 = + "GET /quickstart?"; + private static final String START_HEADER2 = + " HTTP/1.0\n" + "Host: localhost\n" + + "Content-Type: text/xml\n" + + "Connection: close\n" + + "Content-Length: "; + private static final String START_CONTENT = ""; + + /** + * Launch an SCA node. + * + * @param mode + * @param file + * @param launchManager + * @param launchConfigurationType + * @throws CoreException + * @throws JavaModelException + */ + static void launchNode(String mode, + IFile file, + IProgressMonitor progressMonitor) throws CoreException, JavaModelException, IOException, InterruptedException { + progressMonitor.subTask("Starting SCA node"); + if (progressMonitor.isCanceled()) { + return; + } + + // First start the SCA domain manager + launchDomainManager(new SubProgressMonitor(progressMonitor, 20)); + + // Get the Java project + IJavaProject javaProject = JavaCore.create(file.getProject()); + + // Get the contribution location and URI + String contributionLocation = contributionLocation(javaProject); + String contributionURI = contributionURI(javaProject); + + // Determine the composite file URI + String compositeURI = compositeURI(javaProject, file); + + // Configure the node + String nodeName = configureNode(contributionURI, contributionLocation, compositeURI, progressMonitor); + + // Get the node launch configuration + ILaunchManager launchManager = DebugPlugin.getDefault().getLaunchManager(); + ILaunchConfigurationType launchConfigurationType =launchManager.getLaunchConfigurationType(TUSCANY_LAUNCH_CONFIGURATIONTYPE); + ILaunchConfiguration configuration = null; + for (ILaunchConfiguration c : launchManager.getLaunchConfigurations(launchConfigurationType)) { + if (file.getFullPath().toString().equals(c.getAttribute("COMPOSITE_PATH", ""))) { + configuration = c; + break; + } + } + + if (configuration == null) { + progressMonitor.worked(10); + if (progressMonitor.isCanceled()) { + return; + } + + // Create a new launch configuration + ILaunchConfigurationWorkingCopy newConfiguration = launchConfigurationType.newInstance(null, + launchManager.generateUniqueLaunchConfigurationNameFrom(file.getName())); + + // Set the project and type to launch + newConfiguration.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROJECT_NAME, file.getProject().getName()); + newConfiguration.setAttribute(IJavaLaunchConfigurationConstants.ATTR_MAIN_TYPE_NAME, "org.apache.tuscany.sca.node.launcher.NodeLauncher"); + + // Pass the URL of the node install image to the launcher + newConfiguration.setAttribute(IJavaLaunchConfigurationConstants.ATTR_PROGRAM_ARGUMENTS, + "http://localhost:9990/node-config/" + nodeName); + + // Save the composite path in the launch configuration + newConfiguration.setAttribute("COMPOSITE_PATH", file.getFullPath().toString()); + + // Pass the runtime classpath as a system property + newConfiguration.setAttribute(IJavaLaunchConfigurationConstants.ATTR_VM_ARGUMENTS, "\"-DTUSCANY_PATH=" + ClasspathUtil.installedRuntimeClasspath() + "\""); + + // Save the configuration + newConfiguration.doSave(); + + configuration = newConfiguration; + } + + // Launch + configuration.launch(mode, null); + } + + /** + * Returns the location of the SCA contribution representing a Java project. + * @param javaProject + * @return + * @throws MalformedURLException + * @throws JavaModelException + */ + private static String contributionLocation(IJavaProject javaProject) throws MalformedURLException, JavaModelException { + IPath location = javaProject.getOutputLocation(); + IResource resource; + if (location.segmentCount() == 1) { + resource = javaProject.getProject(); + } else { + resource = javaProject.getProject().getWorkspace().getRoot().getFolder(location); + } + location = resource.getLocation(); + String url = location.toFile().toURI().toURL().toString(); + if (url.endsWith("/")) { + url = url.substring(0, url.length() - 1); + } + return url; + } + + /** + * Returns the URI of the SCA contribution representing a Java project. + * @param javaProject + * @return + */ + private static String contributionURI(IJavaProject javaProject) { + return javaProject.getProject().getName(); + } + + /** + * Returns the SCA artifact URI of a composite file inside a Java project. + * + * @param javaProject + * @param file + * @return + * @throws JavaModelException + */ + private static String compositeURI(IJavaProject javaProject, IFile file) throws JavaModelException { + + // Find the Java source container containing the specified file + IClasspathEntry[] classpathEntries = javaProject.getRawClasspath(); + int sourceFolderSegments = 0; + for (IClasspathEntry entry : classpathEntries) { + if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE) { + sourceFolderSegments = entry.getPath().matchingFirstSegments(file.getFullPath()); + if (sourceFolderSegments > 0) + break; + } + } + + // Determine the composite URI + String compositeURI = file.getFullPath().removeFirstSegments(sourceFolderSegments).toString(); + return compositeURI; + } + + /** + * Send a request to the SCA domain manager to configure an SCA node for + * the specified composite. + * + * @param contributionURI + * @param contributionLocation + * @param compositeURI + * @return + * @throws IOException + */ + private static String configureNode(String contributionURI, String contributionLocation, String compositeURI, + IProgressMonitor progressMonitor) throws IOException, CoreException { + progressMonitor.subTask("Configuring node"); + + // Send the request to configure the node + Socket client = new Socket("localhost", 9990); + OutputStream os = client.getOutputStream(); + String request = START_HEADER1 + + "contribution=" + contributionURI + "&location=" + contributionLocation + "&composite=" + compositeURI + + START_HEADER2 + START_CONTENT.getBytes().length + "\n\n" + START_CONTENT; + os.write(request.getBytes()); + os.flush(); + String response = DomainManagerLauncherUtil.read(client); + + // Refresh the domain project + domainProject(progressMonitor).refreshLocal(IResource.DEPTH_INFINITE, new NullProgressMonitor()); + + int i = response.indexOf("<span id=\"node\">"); + if (i != -1) { + + // Extract the node name + response = response.substring(i + 16); + i = response.indexOf("</span>"); + String nodeName = response.substring(0, i); + return nodeName; + + } else { + throw new RuntimeException("Node could not be configured: " + response); + } + } + +} |