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/*
* 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);
}
}
}
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