Java JavaRuntime.getVMInstall方法代码示例

import org.eclipse.jdt.launching.JavaRuntime; //导入方法依赖的package包/类
protected void fixRuntimeEnvironment( String platformDir )
{
	IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject( "platform" );
	IJavaProject javaProject = JavaCore.create( project );
	IVMInstall javaInstall = null;
	try
	{
		if(javaProject.isOpen())
		{
		javaInstall = JavaRuntime.getVMInstall( javaProject );
	}
	}
	catch( CoreException e )
	{
		throw new IllegalStateException( e );
	}
	if( javaInstall != null )
	{
		setHeapSize( javaInstall );
	}
}
 

import org.eclipse.jdt.launching.JavaRuntime; //导入方法依赖的package包/类
/**
 * Checks if the JRE of the given project or workspace default JRE have source compliance 1.5 or
 * greater.
 *
 * @param project the project to test or <code>null</code> to test the workspace JRE
 * @return <code>true</code> if the JRE of the given project or workspace default JRE have
 *         source compliance 1.5 or greater.
 * @throws CoreException if unable to determine the project's VM install
 */
public static boolean is50OrHigherJRE(IJavaProject project) throws CoreException {
	IVMInstall vmInstall;
	if (project == null) {
		vmInstall= JavaRuntime.getDefaultVMInstall();
	} else {
		vmInstall= JavaRuntime.getVMInstall(project);
	}
	if (!(vmInstall instanceof IVMInstall2))
		return true; // assume 1.5.

	String compliance= getCompilerCompliance((IVMInstall2) vmInstall, null);
	if (compliance == null)
		return true; // assume 1.5
	return is50OrHigher(compliance);
}
 

import org.eclipse.jdt.launching.JavaRuntime; //导入方法依赖的package包/类
/**
 * Checks if the JRE of the given project or workspace default JRE have source compliance 1.5 or
 * greater.
 *
 * @param project the project to test or <code>null</code> to test the workspace JRE
 * @return <code>true</code> if the JRE of the given project or workspace default JRE have
 *         source compliance 1.5 or greater.
 * @throws CoreException if unable to determine the project's VM install
 */
public static boolean is50OrHigherJRE(IJavaProject project) throws CoreException {
	IVMInstall vmInstall;
	if (project == null) {
		vmInstall= JavaRuntime.getDefaultVMInstall();
	} else {
		vmInstall= JavaRuntime.getVMInstall(project);
	}
	if (!(vmInstall instanceof IVMInstall2))
		return true; // assume 1.5.

	String compliance= getCompilerCompliance((IVMInstall2) vmInstall, null);
	if (compliance == null)
		return true; // assume 1.5
	return compliance.startsWith(JavaCore.VERSION_1_5)
			|| compliance.startsWith(JavaCore.VERSION_1_6)
			|| compliance.startsWith(JavaCore.VERSION_1_7);
}
 

import org.eclipse.jdt.launching.JavaRuntime; //导入方法依赖的package包/类
/**
 * Returns the project Java home path.
 * @param project the target project
 * @return the project Java home path, or {@code null} if it is not defined
 */
public static File getJavaHome(IProject project) {
    if (isJavaProject(project) == false) {
        return getJavaHome();
    }
    IJavaProject javaProject = JavaCore.create(project);
    try {
        IVMInstall install = JavaRuntime.getVMInstall(javaProject);
        if (install == null) {
            return null;
        }
        return toJavaHome(install);
    } catch (CoreException e) {
        LogUtil.log(e.getStatus());
        return null;
    }
}
 

import org.eclipse.jdt.launching.JavaRuntime; //导入方法依赖的package包/类
public static File buildOfflineShellFile(IJavaProject jproject, IFile graphModel, String pathGenerator,
		String startElement) throws CoreException, IOException {
	IRuntimeClasspathEntry e = JavaRuntime.computeJREEntry(jproject);
	IVMInstall intall = JavaRuntime.getVMInstall(e.getPath());

	StringBuilder sb = new StringBuilder();
	File javaLocation = intall.getInstallLocation();

	sb.append(javaLocation.getAbsolutePath()).append(File.separator).append("bin").append(File.separator)
			.append("java").append(" -cp ").append("\"");

	String cpSeparator = "";
	String[] classpath = JavaRuntime.computeDefaultRuntimeClassPath(jproject);
	for (String cpElement : classpath) {
		sb.append(cpSeparator).append(cpElement);
		cpSeparator = System.getProperty("path.separator");
	}

	sb.append("\"").append(" org.graphwalker.cli.CLI ").append(" offline ").append(" -m ")
			.append(ResourceManager.toFile(graphModel.getFullPath()).getAbsolutePath()).append(" \"")
			.append(pathGenerator).append("\" ").append(" -e ").append(startElement).append(" --verbose ");

	 
	String extension = isWindows() ? "bat" : "sh";

	Path path = Files.createTempFile("offlineShellRunner", "." + extension);

	Files.write(path, sb.toString().getBytes(StandardCharsets.UTF_8));

	File file = path.toFile();
	 
	ResourceManager.logInfo(jproject.getProject().getName(), "Shell file : " + file.getAbsolutePath());
	return file;
}
 

import org.eclipse.jdt.launching.JavaRuntime; //导入方法依赖的package包/类
private static Path getProjectVm(IProject project) {
  try {
    IJavaProject javaProject = JavaCore.create(project);
    IVMInstall vmInstall = JavaRuntime.getVMInstall(javaProject);
    if (vmInstall != null) {
      return vmInstall.getInstallLocation().toPath();
    }
  } catch (CoreException ex) {
    // Give up.
  }
  return null;
}
 

import org.eclipse.jdt.launching.JavaRuntime; //导入方法依赖的package包/类
/**
 * Computes the fully qualified path to the java executable for the JRE/JDK used by this project.
 *
 * @param javaProject
 * @return the path to the JRE/JDK java (executable) used on this project
 * @throws CoreException
 */
public static String computeJavaExecutableFullyQualifiedPath(IJavaProject javaProject) throws CoreException {
  IVMInstall projectVMInstall = JavaRuntime.getVMInstall(javaProject);

  if (projectVMInstall == null) {
    throw new CoreException(new Status(Status.ERROR, CorePlugin.PLUGIN_ID, "Unable to locate the JVM for project "
        + javaProject.getElementName()
        + ". Please verify that you have a project-level JVM installed by inspecting your project's build path."));
  }

  return getJavaExecutableForVMInstall(projectVMInstall);
}
 

import org.eclipse.jdt.launching.JavaRuntime; //导入方法依赖的package包/类
@Override
public Object getAdditionalProposalInfo(IProgressMonitor monitor) {
	StringBuffer message= new StringBuffer();
	if (fChangeOnWorkspace) {
		message.append(Messages.format(CorrectionMessages.ReorgCorrectionsSubProcessor_required_compliance_changeworkspace_description, fRequiredVersion));
	} else {
		message.append(Messages.format(CorrectionMessages.ReorgCorrectionsSubProcessor_required_compliance_changeproject_description, fRequiredVersion));
	}

	try {
		IVMInstall install= JavaRuntime.getVMInstall(fProject); // can be null
		if (fChangeOnWorkspace) {
			IVMInstall vmInstall= findRequiredOrGreaterVMInstall();
			if (vmInstall != null) {
				IVMInstall defaultVM= JavaRuntime.getDefaultVMInstall(); // can be null
				if (defaultVM != null && !defaultVM.equals(install)) {
					message.append(CorrectionMessages.ReorgCorrectionsSubProcessor_50_compliance_changeProjectJREToDefault_description);
				}
				if (defaultVM == null || !isRequiredOrGreaterVMInstall(defaultVM)) {
					message.append(Messages.format(CorrectionMessages.ReorgCorrectionsSubProcessor_50_compliance_changeWorkspaceJRE_description, vmInstall.getName()));
				}
			}
		} else {
			IExecutionEnvironment bestEE= findBestMatchingEE();
			if (bestEE != null) {
				if (install == null || !isEEOnClasspath(bestEE)) {
					message.append(Messages.format(CorrectionMessages.ReorgCorrectionsSubProcessor_50_compliance_changeProjectJRE_description, bestEE.getId()));
				}
			}
		}
	} catch (CoreException e) {
		// ignore
	}
	return message.toString();
}
 

import org.eclipse.jdt.launching.JavaRuntime; //导入方法依赖的package包/类
private void validateComplianceStatus() {
		if (fJRE50InfoText != null && !fJRE50InfoText.isDisposed()) {
			boolean isVisible= false;
			String compliance= getStoredValue(PREF_COMPLIANCE); // get actual value
			IVMInstall install= null;
			if (fProject != null) { // project specific settings: only test if a 50 JRE is installed
				try {
					install= JavaRuntime.getVMInstall(JavaCore.create(fProject));
				} catch (CoreException e) {
					JavaPlugin.log(e);
				}
			} else {
				install= JavaRuntime.getDefaultVMInstall();
			}
			if (install instanceof IVMInstall2) {
				String compilerCompliance= JavaModelUtil.getCompilerCompliance((IVMInstall2) install, compliance);
				if (!compilerCompliance.equals(compliance)) { // Discourage using compiler with version other than compliance
					String[] args= { getVersionLabel(compliance), getVersionLabel(compilerCompliance) };
					if (fProject == null) {
						fJRE50InfoText.setText(Messages.format(PreferencesMessages.ComplianceConfigurationBlock_jrecompliance_info, args));
					} else {
						fJRE50InfoText.setText(Messages.format(PreferencesMessages.ComplianceConfigurationBlock_jrecompliance_info_project, args));
					}
					isVisible= true;
				}
			}
			
//			String source= getValue(PREF_SOURCE_COMPATIBILITY);
//			if (VERSION_1_8.equals(source)) {
//				fJRE50InfoText.setText("This is an implementation of an early-draft specification developed under the Java Community Process (JCP) and is made available for testing and evaluation purposes only. The code is not compatible with any specification of the JCP."); //$NON-NLS-1$
//				isVisible= true;
//			}
			
			fJRE50InfoText.setVisible(isVisible);
			fJRE50InfoImage.setImage(isVisible ? JFaceResources.getImage(Dialog.DLG_IMG_MESSAGE_WARNING) : null);
			fJRE50InfoImage.getParent().layout();
		}
	}
 

import org.eclipse.jdt.launching.JavaRuntime; //导入方法依赖的package包/类
private void validateComplianceStatus() {
	if (fJRE50InfoText != null && !fJRE50InfoText.isDisposed()) {
		boolean isVisible= false;
		String compliance= getStoredValue(PREF_COMPLIANCE); // get actual value
		IVMInstall install= null;
		if (fProject != null) { // project specific settings: only test if a 50 JRE is installed
			try {
				install= JavaRuntime.getVMInstall(JavaCore.create(fProject));
			} catch (CoreException e) {
				JavaPlugin.log(e);
			}
		} else {
			install= JavaRuntime.getDefaultVMInstall();
		}
		if (install instanceof IVMInstall2) {
			String compilerCompliance= JavaModelUtil.getCompilerCompliance((IVMInstall2) install, compliance);
			if (!compilerCompliance.equals(compliance)) { // Discourage using compiler with version other than compliance
				String[] args= { getVersionLabel(compliance), getVersionLabel(compilerCompliance) };
				if (fProject == null) {
					fJRE50InfoText.setText(Messages.format(PreferencesMessages.ComplianceConfigurationBlock_jrecompliance_info, args));
				} else {
					fJRE50InfoText.setText(Messages.format(PreferencesMessages.ComplianceConfigurationBlock_jrecompliance_info_project, args));
				}
				isVisible= true;
			}
		}
		fJRE50InfoText.setVisible(isVisible);
		fJRE50InfoImage.setImage(isVisible ? JFaceResources.getImage(Dialog.DLG_IMG_MESSAGE_WARNING) : null);
		fJRE50InfoImage.getParent().layout();
	}
}