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Dinesh0723Dinesh0723
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Export package does not work when jar is not on classpath
Introduced new support for exporting packages in projects with plugin nature as well. Fixes: eclipse-pde#885
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‎ui/org.eclipse.pde.ui/src/org/eclipse/pde/internal/ui/editor/plugin/ExportPackageSection.java

+175-10
Original file line numberDiff line numberDiff line change
@@ -18,30 +18,44 @@
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package org.eclipse.pde.internal.ui.editor.plugin;
2020

21+
import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Enumeration;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Optional;
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import java.util.Set;
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import java.util.jar.JarEntry;
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import java.util.jar.JarFile;
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37+
import org.eclipse.core.resources.IFolder;
2738
import org.eclipse.core.resources.IProject;
2839
import org.eclipse.core.resources.IResource;
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import org.eclipse.core.runtime.CoreException;
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import org.eclipse.jdt.core.IJavaProject;
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import org.eclipse.jdt.core.IPackageFragment;
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import org.eclipse.jdt.core.JavaCore;
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import org.eclipse.jdt.core.JavaModelException;
45+
import org.eclipse.jdt.ui.ISharedImages;
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import org.eclipse.jdt.ui.JavaElementLabelProvider;
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import org.eclipse.jdt.ui.JavaUI;
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import org.eclipse.jdt.ui.actions.FindReferencesAction;
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import org.eclipse.jdt.ui.actions.ShowInPackageViewAction;
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import org.eclipse.jface.action.Action;
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import org.eclipse.jface.action.IMenuManager;
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import org.eclipse.jface.action.Separator;
53+
import org.eclipse.jface.dialogs.MessageDialog;
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import org.eclipse.jface.viewers.ILabelProvider;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.IStructuredContentProvider;
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import org.eclipse.jface.viewers.IStructuredSelection;
58+
import org.eclipse.jface.viewers.LabelProvider;
4559
import org.eclipse.jface.viewers.StructuredSelection;
4660
import org.eclipse.jface.viewers.TableViewer;
4761
import org.eclipse.jface.viewers.Viewer;
@@ -75,6 +89,7 @@
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import org.eclipse.search.ui.NewSearchUI;
7690
import org.eclipse.swt.SWT;
7791
import org.eclipse.swt.custom.BusyIndicator;
92+
import org.eclipse.swt.graphics.Image;
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import org.eclipse.swt.layout.GridData;
7994
import org.eclipse.swt.widgets.Composite;
8095
import org.eclipse.swt.widgets.Display;
@@ -226,7 +241,22 @@ protected boolean canPaste(Object targetObject, Object[] sourceObjects) {
226241
}
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228243
private boolean canAddExportedPackages() {
229-
return isEditable() && getProjectWithJavaNature().isPresent();
244+
IPluginModelBase model = (IPluginModelBase) getPage().getModel();
245+
final IProject project = model.getUnderlyingResource().getProject();
246+
try {
247+
if (isEditable() && getProjectWithJavaNature().isPresent()) {
248+
return true;
249+
} else if (isEditable() && hasPluginNature(project)) {
250+
return true;
251+
}
252+
} catch (CoreException e) {
253+
e.printStackTrace();
254+
}
255+
return false;
256+
}
257+
258+
private boolean hasPluginNature(IProject project) throws CoreException {
259+
return project.isNatureEnabled("org.eclipse.pde.PluginNature"); //$NON-NLS-1$
230260
}
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232262
private Optional<IProject> getProjectWithJavaNature() {
@@ -406,11 +436,11 @@ private void handleRemove() {
406436
private void handleAdd() {
407437
IPluginModelBase model = (IPluginModelBase) getPage().getModel();
408438
final IProject project = model.getUnderlyingResource().getProject();
439+
final Collection<String> pckgs = fHeader == null ? Collections.emptySet() : fHeader.getPackageNames();
409440
try {
410441
if (project.hasNature(JavaCore.NATURE_ID)) {
411442
ILabelProvider labelProvider = new JavaElementLabelProvider();
412443
final ConditionalListSelectionDialog dialog = new ConditionalListSelectionDialog(PDEPlugin.getActiveWorkbenchShell(), labelProvider, PDEUIMessages.ExportPackageSection_dialogButtonLabel);
413-
final Collection<String> pckgs = fHeader == null ? Collections.emptySet() : fHeader.getPackageNames();
414444
final boolean allowJava = "true".equals(getBundle().getHeader(ICoreConstants.ECLIPSE_JREBUNDLE)); //$NON-NLS-1$
415445
Runnable runnable = () -> {
416446
ArrayList<IPackageFragment> elements = new ArrayList<>();
@@ -444,25 +474,160 @@ private void handleAdd() {
444474
fHeader.addPackage(new ExportPackageObject(fHeader, candidate, getVersionAttribute()));
445475
}
446476
} else {
447-
getBundle().setHeader(getExportedPackageHeader(), getValue(selected));
448-
// the way events get triggered, updateButtons isn't called
449-
if (selected.length > 0)
450-
getTablePart().setButtonEnabled(CALCULATE_USE_INDEX, true);
477+
addPackageIntoManifestFile(selected);
451478
}
452479
}
453480
labelProvider.dispose();
481+
} else if (hasPluginNature(project)) {
482+
ILabelProvider labelProvider = nonJavaLabelProvider();
483+
final ConditionalListSelectionDialog dialog = new ConditionalListSelectionDialog(
484+
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), labelProvider,
485+
PDEUIMessages.ExportPackageSection_dialogButtonLabel);
486+
try {
487+
InputStream inputStream = project.getFile("META-INF/MANIFEST.MF").getContents(); //$NON-NLS-1$
488+
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
489+
List<String> jarPaths = extractJars(reader);
490+
Set<String> packageNames = new HashSet<>();
491+
packageNames.addAll(getPackageNamesFromJar(jarPaths, pckgs, project));
492+
if (!packageNames.isEmpty()) {
493+
dialogforNonJavaPrj(dialog, packageNames);
494+
if (dialog.open() == Window.OK) {
495+
Object[] selected = dialog.getResult();
496+
if (fHeader != null) {
497+
for (Object selectedObject : selected) {
498+
fHeader.addPackage(new ExportPackageObject(fHeader, selectedObject.toString(), null,
499+
getVersionAttribute()));
500+
}
501+
} else {
502+
addPackageIntoManifestFile(selected);
503+
}
504+
}
505+
} else {
506+
MessageDialog.openInformation(Display.getDefault().getActiveShell(), "Information", //$NON-NLS-1$
507+
"No packages are available for export."); //$NON-NLS-1$
508+
}
509+
} catch (IOException e) {
510+
e.printStackTrace();
511+
} finally {
512+
labelProvider.dispose();
513+
}
454514
}
455515
} catch (CoreException e) {
456516
}
457517
}
458518

519+
private void dialogforNonJavaPrj(final ConditionalListSelectionDialog dialog, Set<String> packageNames) {
520+
dialog.setElements(packageNames.toArray());
521+
dialog.setMultipleSelection(true);
522+
dialog.setMessage(PDEUIMessages.PackageSelectionDialog_label);
523+
dialog.setTitle(PDEUIMessages.ExportPackageSection_title);
524+
dialog.create();
525+
PlatformUI.getWorkbench().getHelpSystem().setHelp(dialog.getShell(), IHelpContextIds.EXPORT_PACKAGES);
526+
}
527+
528+
private void addPackageIntoManifestFile(Object[] selected) {
529+
getBundle().setHeader(getExportedPackageHeader(), getValue(selected));
530+
// the way events get triggered, updateButtons isn't
531+
// called
532+
if (selected.length > 0)
533+
getTablePart().setButtonEnabled(CALCULATE_USE_INDEX, true);
534+
}
535+
536+
private ILabelProvider nonJavaLabelProvider() {
537+
ILabelProvider labelProvider = new LabelProvider() {
538+
@Override
539+
public Image getImage(Object element) {
540+
return JavaUI.getSharedImages().getImage(ISharedImages.IMG_OBJS_PACKAGE);
541+
}
542+
};
543+
return labelProvider;
544+
}
545+
546+
private List<String> extractJars(BufferedReader reader) throws IOException {
547+
List<String> jarPaths = new ArrayList<>();
548+
String line;
549+
while ((line = reader.readLine()) != null) {
550+
if (line.startsWith("Bundle-ClassPath:")) { //$NON-NLS-1$
551+
String[] entries = line.substring("Bundle-ClassPath:".length()).trim().split(","); //$NON-NLS-1$ //$NON-NLS-2$
552+
for (String entry : entries) {
553+
entry = entry.trim();
554+
if (!entry.isEmpty() && !entry.equals(".") && !entry.equals("*")) { //$NON-NLS-1$ //$NON-NLS-2$
555+
jarPaths.add(entry);
556+
}
557+
}
558+
while ((line = reader.readLine()) != null && Character.isWhitespace(line.charAt(0))) {
559+
entries = line.trim().split(","); //$NON-NLS-1$
560+
for (String entry : entries) {
561+
entry = entry.trim();
562+
if (!entry.isEmpty() && !entry.equals(".") && !entry.equals("*")) { //$NON-NLS-1$ //$NON-NLS-2$
563+
jarPaths.add(entry);
564+
}
565+
}
566+
}
567+
break;
568+
}
569+
}
570+
return jarPaths;
571+
}
572+
573+
public static IResource getPackageResource(IProject project, String packageName) {
574+
IFolder folder = project.getFolder(packageName.replace('.', '/'));
575+
if (folder.exists()) {
576+
return folder;
577+
}
578+
return null;
579+
}
580+
581+
public static Set<String> getPackageNamesFromJar(List<String> jarPaths, Collection<String> existingPackages,
582+
IProject project) {
583+
Set<String> packName = new HashSet<>();
584+
String location = project.getLocation().toOSString();
585+
for (String jarFilePath : jarPaths) {
586+
try (JarFile jarFile = new JarFile(location + "\\" + jarFilePath)) { //$NON-NLS-1$
587+
Enumeration<JarEntry> entries = jarFile.entries();
588+
while (entries.hasMoreElements()) {
589+
JarEntry entry = entries.nextElement();
590+
if (entry.isDirectory() && !entry.getName().equals("META-INF")) { //$NON-NLS-1$
591+
String packageName = entry.getName().replace('/', '.');
592+
if (!existingPackages.contains(packageName)) {
593+
packName.add(packageName);
594+
}
595+
} else if (entry.getName().endsWith(".class")) { //$NON-NLS-1$
596+
String packageName = getPackageNameFromClassName(entry.getName());
597+
if (!existingPackages.contains(packageName)) {
598+
packName.add(packageName);
599+
}
600+
}
601+
}
602+
} catch (IOException e) {
603+
e.printStackTrace();
604+
}
605+
}
606+
return packName;
607+
}
608+
609+
private static String getPackageNameFromClassName(String className) {
610+
int lastSlashIndex = className.lastIndexOf('/');
611+
if (lastSlashIndex != -1) {
612+
return className.substring(0, lastSlashIndex).replace('/', '.');
613+
}
614+
return "";
615+
}
616+
459617
private String getValue(Object[] objects) {
460618
StringBuilder buffer = new StringBuilder();
461619
for (Object object : objects) {
462-
IPackageFragment fragment = (IPackageFragment) object;
463-
if (buffer.length() > 0)
464-
buffer.append("," + getLineDelimiter() + " "); //$NON-NLS-1$ //$NON-NLS-2$
465-
buffer.append(fragment.getElementName());
620+
if (object instanceof IPackageFragment) {
621+
IPackageFragment fragment = (IPackageFragment) object;
622+
if (buffer.length() > 0)
623+
buffer.append("," + getLineDelimiter() + " "); //$NON-NLS-1$ //$NON-NLS-2$
624+
buffer.append(fragment.getElementName());
625+
} else if (object instanceof String) {
626+
String str = (String) object;
627+
if (buffer.length() > 0)
628+
buffer.append("," + getLineDelimiter() + " "); //$NON-NLS-1$ //$NON-NLS-2$
629+
buffer.append(str);
630+
}
466631
}
467632
return buffer.toString();
468633
}

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