| /******************************************************************************* |
| * Copyright (c) 2000, 2016 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.preferences; |
| |
| import java.lang.reflect.InvocationTargetException; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Text; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IStatus; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.operation.IRunnableWithProgress; |
| |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.dialogs.PropertyPage; |
| |
| import org.eclipse.jdt.core.ClasspathContainerInitializer; |
| import org.eclipse.jdt.core.IClasspathAttribute; |
| import org.eclipse.jdt.core.IClasspathContainer; |
| import org.eclipse.jdt.core.IClasspathEntry; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| |
| import org.eclipse.jdt.internal.corext.util.JavaModelUtil; |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| |
| import org.eclipse.jdt.launching.JavaRuntime; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.dialogs.StatusUtil; |
| import org.eclipse.jdt.internal.ui.util.ExceptionHandler; |
| import org.eclipse.jdt.internal.ui.util.SWTUtil; |
| import org.eclipse.jdt.internal.core.manipulation.util.BasicElementLabels; |
| import org.eclipse.jdt.internal.ui.wizards.IStatusChangeListener; |
| import org.eclipse.jdt.internal.ui.wizards.buildpaths.ArchiveFileFilter; |
| import org.eclipse.jdt.internal.ui.wizards.buildpaths.BuildPathSupport; |
| import org.eclipse.jdt.internal.ui.wizards.buildpaths.CPListElement; |
| |
| public class NativeLibrariesPropertyPage extends PropertyPage implements IStatusChangeListener { |
| |
| private NativeLibrariesConfigurationBlock fConfigurationBlock; |
| private boolean fIsValidElement; |
| private boolean fIsReadOnly; |
| private IClasspathEntry fEntry; |
| private IPath fContainerPath; |
| private String fInitialNativeLibPath; |
| |
| /** |
| * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite) |
| */ |
| @Override |
| public void createControl(Composite parent) { |
| IJavaElement elem= getJavaElement(); |
| try { |
| if (elem instanceof IPackageFragmentRoot) { |
| IPackageFragmentRoot root= (IPackageFragmentRoot) elem; |
| |
| IClasspathEntry entry= JavaModelUtil.getClasspathEntry(root); |
| if (entry == null) { |
| fIsValidElement= false; |
| setDescription(PreferencesMessages.NativeLibrariesPropertyPage_invalidElementSelection_desription); |
| } else { |
| if (entry.getEntryKind() == IClasspathEntry.CPE_CONTAINER) { |
| fContainerPath= entry.getPath(); |
| fEntry= handleContainerEntry(fContainerPath, elem.getJavaProject(), root.getPath()); |
| fIsValidElement= fEntry != null && !fIsReadOnly; |
| } else { |
| fContainerPath= null; |
| fEntry= entry; |
| fIsValidElement= true; |
| } |
| } |
| } else { |
| fIsValidElement= false; |
| setDescription(PreferencesMessages.NativeLibrariesPropertyPage_invalidElementSelection_desription); |
| } |
| } catch (JavaModelException e) { |
| fIsValidElement= false; |
| setDescription(PreferencesMessages.NativeLibrariesPropertyPage_invalidElementSelection_desription); |
| } |
| super.createControl(parent); |
| } |
| |
| private IClasspathEntry handleContainerEntry(IPath containerPath, IJavaProject jproject, IPath jarPath) throws JavaModelException { |
| ClasspathContainerInitializer initializer= JavaCore.getClasspathContainerInitializer(containerPath.segment(0)); |
| IClasspathContainer container= JavaCore.getClasspathContainer(containerPath, jproject); |
| if (initializer == null || container == null) { |
| setDescription(Messages.format(PreferencesMessages.NativeLibrariesPropertyPage_invalid_container, BasicElementLabels.getPathLabel(containerPath, false))); |
| return null; |
| } |
| String containerName= container.getDescription(); |
| IStatus status= initializer.getAttributeStatus(containerPath, jproject, JavaRuntime.CLASSPATH_ATTR_LIBRARY_PATH_ENTRY); |
| if (status.getCode() == ClasspathContainerInitializer.ATTRIBUTE_NOT_SUPPORTED) { |
| setDescription(Messages.format(PreferencesMessages.NativeLibrariesPropertyPage_not_supported, containerName)); |
| return null; |
| } |
| IClasspathEntry entry= JavaModelUtil.findEntryInContainer(container, jarPath); |
| if (status.getCode() == ClasspathContainerInitializer.ATTRIBUTE_READ_ONLY) { |
| setDescription(Messages.format(PreferencesMessages.NativeLibrariesPropertyPage_read_only, containerName)); |
| fIsReadOnly= true; |
| return entry; |
| } |
| Assert.isNotNull(entry); |
| return entry; |
| } |
| |
| @Override |
| protected Control createContents(Composite parent) { |
| if (!fIsValidElement || fIsReadOnly) { |
| Composite inner= new Composite(parent, SWT.NONE); |
| |
| if (fIsReadOnly) { |
| GridLayout layout= new GridLayout(); |
| layout.marginWidth= 0; |
| inner.setLayout(layout); |
| |
| Label label= new Label(inner, SWT.WRAP); |
| label.setText(PreferencesMessages.NativeLibrariesPropertyPage_location_path); |
| |
| Text location= new Text(inner, SWT.READ_ONLY | SWT.WRAP); |
| SWTUtil.fixReadonlyTextBackground(location); |
| GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL); |
| gd.widthHint= convertWidthInCharsToPixels(80); |
| location.setLayoutData(gd); |
| String locationPath= PreferencesMessages.NativeLibrariesPropertyPage_locationPath_none; |
| if (fEntry != null) { |
| String nativeLibrariesPath= getNativeLibrariesPath(fEntry); |
| if (nativeLibrariesPath != null) |
| locationPath= nativeLibrariesPath; |
| } |
| location.setText(locationPath); |
| Dialog.applyDialogFont(inner); |
| } |
| return inner; |
| } |
| |
| IJavaElement elem= getJavaElement(); |
| if (elem == null) |
| return new Composite(parent, SWT.NONE); |
| |
| fInitialNativeLibPath= getNativeLibrariesPath(fEntry); |
| fConfigurationBlock= new NativeLibrariesConfigurationBlock(this, getShell(), fInitialNativeLibPath, fEntry); |
| Control control= fConfigurationBlock.createContents(parent); |
| |
| Dialog.applyDialogFont(control); |
| return control; |
| } |
| |
| private static String getNativeLibrariesPath(IClasspathEntry entry) { |
| for (IClasspathAttribute extraAttribute : entry.getExtraAttributes()) { |
| if (extraAttribute.getName().equals(JavaRuntime.CLASSPATH_ATTR_LIBRARY_PATH_ENTRY)) { |
| return extraAttribute.getValue(); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public void statusChanged(IStatus status) { |
| setValid(!status.matches(IStatus.ERROR)); |
| StatusUtil.applyToStatusLine(this, status); |
| } |
| |
| /* |
| * @see PreferencePage#performDefaults() |
| */ |
| @Override |
| protected void performDefaults() { |
| if (fConfigurationBlock != null) { |
| fConfigurationBlock.performDefaults(); |
| } |
| super.performDefaults(); |
| } |
| |
| /** |
| * @see org.eclipse.jface.preference.IPreferencePage#performOk() |
| */ |
| @Override |
| public boolean performOk() { |
| if (fConfigurationBlock != null) { |
| String nativeLibraryPath= fConfigurationBlock.getNativeLibraryPath(); |
| if (nativeLibraryPath == null && fInitialNativeLibPath == null |
| || nativeLibraryPath != null && fInitialNativeLibPath != null && nativeLibraryPath.equals(fInitialNativeLibPath)) { |
| return true; //no change |
| } |
| |
| IJavaElement elem= getJavaElement(); |
| try { |
| IRunnableWithProgress runnable= getRunnable(getShell(), elem, nativeLibraryPath, fEntry, fContainerPath, fEntry.getReferencingEntry() != null); |
| PlatformUI.getWorkbench().getProgressService().run(true, true, runnable); |
| } catch (InvocationTargetException e) { |
| String title= PreferencesMessages.NativeLibrariesPropertyPage_errorAttaching_title; |
| String message= PreferencesMessages.NativeLibrariesPropertyPage_errorAttaching_message; |
| ExceptionHandler.handle(e, getShell(), title, message); |
| return false; |
| } catch (InterruptedException e) { |
| // Canceled |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| private static IRunnableWithProgress getRunnable(final Shell shell, final IJavaElement elem, final String nativeLibraryPath, final IClasspathEntry entry, final IPath containerPath, final boolean isReferencedEntry) { |
| return monitor -> { |
| try { |
| IJavaProject project= elem.getJavaProject(); |
| if (elem instanceof IPackageFragmentRoot) { |
| CPListElement cpElem= CPListElement.createFromExisting(entry, project); |
| cpElem.setAttribute(CPListElement.NATIVE_LIB_PATH, nativeLibraryPath); |
| IClasspathEntry newEntry= cpElem.getClasspathEntry(); |
| String[] changedAttributes= { CPListElement.NATIVE_LIB_PATH }; |
| BuildPathSupport.modifyClasspathEntry(shell, newEntry, changedAttributes, project, containerPath, isReferencedEntry, monitor); |
| } |
| } catch (CoreException e) { |
| throw new InvocationTargetException(e); |
| } |
| }; |
| } |
| |
| private IJavaElement getJavaElement() { |
| IAdaptable adaptable= getElement(); |
| IJavaElement elem= adaptable.getAdapter(IJavaElement.class); |
| if (elem == null) { |
| |
| IResource resource= adaptable.getAdapter(IResource.class); |
| //special case when the .jar is a file |
| try { |
| if (resource instanceof IFile && ArchiveFileFilter.isArchivePath(resource.getFullPath(), false)) { |
| IProject proj= resource.getProject(); |
| if (proj.hasNature(JavaCore.NATURE_ID)) { |
| IJavaProject jproject= JavaCore.create(proj); |
| elem= jproject.getPackageFragmentRoot(resource); // create a handle |
| } |
| } |
| } catch (CoreException e) { |
| JavaPlugin.log(e); |
| } |
| } |
| return elem; |
| } |
| |
| } |