Examples of org.eclipse.jdt.core.IClasspathContainer

org.eclipse.jdt.core.IClasspathContainer
Interface of a classpath container. A classpath container provides a way to indirectly reference a set of classpath entries through a classpath entry of kind CPE_CONTAINER. Typically, a classpath container can be used to describe a complex library composed of multiple JARs or projects, considering also that containers can map to different set of entries on each project, in other words, several projects can reference the same generic container path, but have each of them actually bound to a different container object.
The set of entries associated with a classpath container may contain any of the following:
- library entries (CPE_LIBRARY)
- project entries (CPE_PROJECT)
In particular, a classpath container can neither reference further classpath containers or classpath variables.
A library entry can reference other libraries through the Class-Path section of the JAR's MANIFEST.MF file. If the container wants such referenced entries to be part of the classpath, the container must explicitly add them to the array returned from {@link #getClasspathEntries()}.
Classpath container values are persisted locally to the workspace, but are not preserved from a session to another. It is thus highly recommended to register a ClasspathContainerInitializer for each referenced container (through the extension point "org.eclipse.jdt.core.ClasspathContainerInitializer").
@see IClasspathEntry @since 2.0

    public static String installedRuntimeClasspath() throws CoreException {
        
        List<IClasspathEntry> classpathEntries = new ArrayList<IClasspathEntry>(); 
        for (IExtension extension: Platform.getExtensionRegistry().getExtensionPoint(TUSCANY_RUNTIME_LIBRARIES).getExtensions()) {
            for (IConfigurationElement configuration: extension.getConfigurationElements()) {
                IClasspathContainer container = (IClasspathContainer)configuration.createExecutableExtension("class");
                classpathEntries.addAll(Arrays.asList(container.getClasspathEntries()));
            }
        }
        
        String separator = System.getProperty("path.separator");
        StringBuffer classpath = new StringBuffer();

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public class DerbyClasspathContainerInitializer 
    extends ClasspathContainerInitializer {
    @Override
    public void initialize(IPath containerPath, IJavaProject project)
        throws CoreException {
        IClasspathContainer container = new DerbyClasspathContainer();
        JavaCore.setClasspathContainer(containerPath, new IJavaProject[] {project}, new IClasspathContainer[] {container}, null);
    }

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     * @return the IvyClasspathContainer is such, null, if not
     */
    public static IvyClasspathContainer jdt2IvyCPC(ClassPathContainer cpc) {
        IClasspathEntry entry = cpc.getClasspathEntry();
        try {
            IClasspathContainer icp = JavaCore.getClasspathContainer(entry.getPath(), cpc
                    .getJavaProject());
            if (icp instanceof IvyClasspathContainer) {
                return (IvyClasspathContainer) icp;
            }
        } catch (JavaModelException e) {

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            for (int i = 0; i < entries.length; i++) {
                IClasspathEntry entry = entries[i];
                if (entry != null && entry.getEntryKind() == IClasspathEntry.CPE_CONTAINER) {
                    IPath path = entry.getPath();
                    if (isIvyClasspathContainer(path)) {
                        IClasspathContainer cp = JavaCore.getClasspathContainer(path, javaProject);
                        if (cp instanceof IvyClasspathContainer) {
                            containers.add(cp);
                        }
                    }
                }

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            for (int i = 0; i < entries.length; i++) {
                IClasspathEntry entry = entries[i];
                if (entry != null && entry.getEntryKind() == IClasspathEntry.CPE_CONTAINER) {
                    IPath path = entry.getPath();
                    if (isIvyClasspathContainer(path)) {
                        IClasspathContainer cp = JavaCore.getClasspathContainer(path, javaProject);
                        if (cp instanceof IvyClasspathContainer) {
                            IvyClasspathContainer ivycp = (IvyClasspathContainer) cp;
                            if (ivycp.getConf().getIvyXmlPath().equals(ivyfile.getProjectRelativePath().toString())) {
                                containers.add(ivycp);
                            }

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            for (int i = 0; i < entries.length; i++) {
                IClasspathEntry entry = entries[i];
                if (entry != null && entry.getEntryKind() == IClasspathEntry.CPE_CONTAINER) {
                    IPath path = entry.getPath();
                    if (isIvyClasspathContainer(path)) {
                        IClasspathContainer cp = JavaCore.getClasspathContainer(path, javaProject);
                        if (cp instanceof IvyClasspathContainer) {
                            IvyClasspathContainer ivycp = (IvyClasspathContainer) cp;
                            if (ivycp.getConf().getInheritedIvySettingsPath().equals(
                                ivySettings.getProjectRelativePath().toString())) {
                                containers.add(ivycp);

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     */
    public void initialize(IPath containerPath, IJavaProject project) throws CoreException {
        if (IvyClasspathUtil.isIvyClasspathContainer(containerPath)) {


            // try to get an existing one
            IClasspathContainer container = null;
            try {
                container = JavaCore.getClasspathContainer(containerPath, project);
            } catch (JavaModelException ex) {
                // unless there are issues with the JDT, this should never happen
                IvyPlugin.log(IStatus.ERROR, "Unable to get container for "
                        + containerPath.toString(), ex);
                return;
            }


            try {
                IvyClasspathContainer ivycp;


                if (container == null) {
                    ivycp = new IvyClasspathContainer(project, containerPath,
                            new IClasspathEntry[0]);
                } else if (!(container instanceof IvyClasspathContainer)) {
                    // this might be the persisted one : reuse the persisted entries
                    ivycp = new IvyClasspathContainer(project, containerPath, container
                            .getClasspathEntries());
                } else {
                    ivycp = (IvyClasspathContainer) container;
                }

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                        .getLibraryJavadocLocation(entry));
            }
            // force refresh of ivy classpath entry in ui thread
            Display.getDefault().asyncExec(new Runnable() {
                public void run() {
                    IClasspathContainer cp;
                    try {
                        cp = JavaCore.getClasspathContainer(containerPath, project);
                    } catch (JavaModelException e) {
                        IvyPlugin.log(e);
                        return;

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                addEnclosingProjectOrJar(entry.getPath());
              }
            }
            break;
          case IClasspathEntry.CPE_CONTAINER:
            IClasspathContainer container = JavaCore.getClasspathContainer(rawEntry.getPath(), javaProject);
            if (container == null) break;
            switch (container.getKind()) {
              case IClasspathContainer.K_APPLICATION:
                if ((includeMask & APPLICATION_LIBRARIES) == 0) break rawKind;
                break;
              case IClasspathContainer.K_SYSTEM:
              case IClasspathContainer.K_DEFAULT_SYSTEM:

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            addToResult(rawEntry, resolvedEntry, result, resolvedEntries, externalFoldersManager, referencedEntriesMap, false, knownDrives);
          }
          break;


        case IClasspathEntry.CPE_CONTAINER :
          IClasspathContainer container = usePreviousSession ? manager.getPreviousSessionContainer(rawEntry.getPath(), this) : JavaCore.getClasspathContainer(rawEntry.getPath(), this);
          if (container == null){
            result.unresolvedEntryStatus = new JavaModelStatus(IJavaModelStatusConstants.CP_CONTAINER_PATH_UNBOUND, this, rawEntry.getPath());
            break;
          }


          IClasspathEntry[] containerEntries = container.getClasspathEntries();
          if (containerEntries == null) {
            if (JavaModelManager.CP_RESOLVE_VERBOSE || JavaModelManager.CP_RESOLVE_VERBOSE_FAILURE) {
              JavaModelManager.getJavaModelManager().verbose_missbehaving_container_null_entries(this, rawEntry.getPath());
            }
            break;

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