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1 | /******************************************************************************* | |
2 | * Copyright (c) 2000, 2011 IBM Corporation and others. | |
3 | * All rights reserved. This program and the accompanying materials | |
4 | * are made available under the terms of the Eclipse Public License v1.0 | |
5 | * which accompanies this distribution, and is available at | |
6 | * http://www.eclipse.org/legal/epl-v10.html | |
7 | * | |
8 | * Contributors: | |
9 | * IBM Corporation - initial API and implementation | |
10 | *******************************************************************************/ | |
11 | package org.eclipse.jdt.ui.actions; | |
12 | ||
13 | import java.lang.reflect.InvocationTargetException; | |
14 | import java.util.ArrayList; | |
15 | import java.util.Iterator; | |
16 | ||
17 | import org.eclipse.core.runtime.CoreException; | |
18 | import org.eclipse.core.runtime.IAdaptable; | |
19 | import org.eclipse.core.runtime.IPath; | |
20 | import org.eclipse.core.runtime.IProgressMonitor; | |
21 | import org.eclipse.core.runtime.OperationCanceledException; | |
22 | import org.eclipse.core.runtime.SubProgressMonitor; | |
23 | ||
24 | import org.eclipse.core.resources.IFile; | |
25 | import org.eclipse.core.resources.IResource; | |
26 | import org.eclipse.core.resources.IWorkspaceRunnable; | |
27 | ||
28 | import org.eclipse.jface.viewers.IStructuredSelection; | |
29 | ||
30 | import org.eclipse.ui.IWorkbenchSite; | |
31 | import org.eclipse.ui.PlatformUI; | |
32 | ||
33 | import org.eclipse.jdt.core.IClasspathEntry; | |
34 | import org.eclipse.jdt.core.IJavaProject; | |
35 | import org.eclipse.jdt.core.JavaCore; | |
36 | import org.eclipse.jdt.core.JavaModelException; | |
37 | ||
38 | import org.eclipse.jdt.internal.corext.util.JavaModelUtil; | |
39 | ||
40 | import org.eclipse.jdt.internal.ui.IJavaHelpContextIds; | |
41 | import org.eclipse.jdt.internal.ui.JavaPlugin; | |
42 | import org.eclipse.jdt.internal.ui.actions.ActionMessages; | |
43 | import org.eclipse.jdt.internal.ui.actions.WorkbenchRunnableAdapter; | |
44 | import org.eclipse.jdt.internal.ui.util.ExceptionHandler; | |
45 | import org.eclipse.jdt.internal.ui.viewsupport.BasicElementLabels; | |
46 | import org.eclipse.jdt.internal.ui.wizards.buildpaths.ArchiveFileFilter; | |
47 | ||
48 | /** | |
49 | * Action to add a JAR to the classpath of its parent project. | |
50 | * Action is applicable to selections containing archives (JAR or zip) | |
51 | * | |
52 | * <p> | |
53 | * This class may be instantiated; it is not intended to be subclassed. | |
54 | * </p> | |
55 | * | |
56 | * @since 2.1 | |
57 | * | |
58 | * @noextend This class is not intended to be subclassed by clients. | |
59 | */ | |
60 | public class AddToClasspathAction extends SelectionDispatchAction { | |
61 | ||
62 | /** | |
63 | * Creates a new <code>AddToClasspathAction</code>. The action requires that | |
64 | * the selection provided by the site's selection provider is of type <code> | |
65 | * org.eclipse.jface.viewers.IStructuredSelection</code>. | |
66 | * | |
67 | * @param site the site providing context information for this action | |
68 | */ | |
69 | public AddToClasspathAction(IWorkbenchSite site) { | |
70 | super(site); | |
71 | setText(ActionMessages.AddToClasspathAction_label); | |
72 | setToolTipText(ActionMessages.AddToClasspathAction_toolTip); | |
73 | PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.ADD_TO_CLASSPATH_ACTION); | |
74 | } | |
75 | ||
76 | /* (non-Javadoc) | |
77 | * Method declared in SelectionDispatchAction | |
78 | */ | |
79 | @Override | |
80 | public void selectionChanged(IStructuredSelection selection) { | |
81 | try { | |
82 | setEnabled(checkEnabled(selection)); | |
83 | } catch (JavaModelException e) { | |
84 | // http://bugs.eclipse.org/bugs/show_bug.cgi?id=19253 | |
85 | if (JavaModelUtil.isExceptionToBeLogged(e)) | |
86 | JavaPlugin.log(e); | |
87 | setEnabled(false); | |
88 | } | |
89 | } | |
90 | ||
91 | private static boolean checkEnabled(IStructuredSelection selection) throws JavaModelException { | |
92 | if (selection.isEmpty()) | |
93 | return false; | |
94 | for (Iterator<?> iter= selection.iterator(); iter.hasNext();) { | |
95 | if (! canBeAddedToBuildPath(iter.next())) | |
96 | return false; | |
97 | } | |
98 | return true; | |
99 | } | |
100 | ||
101 | private static boolean canBeAddedToBuildPath(Object element) throws JavaModelException{ | |
102 | return (element instanceof IAdaptable) && getCandidate((IAdaptable) element) != null; | |
103 | } | |
104 | ||
105 | private static IFile getCandidate(IAdaptable element) throws JavaModelException { | |
106 | IResource resource= (IResource)element.getAdapter(IResource.class); | |
107 | if (! (resource instanceof IFile) || ! ArchiveFileFilter.isArchivePath(resource.getFullPath(), true)) | |
108 | return null; | |
109 | ||
110 | IJavaProject project= JavaCore.create(resource.getProject()); | |
111 | if (project != null && project.exists() && (project.findPackageFragmentRoot(resource.getFullPath()) == null)) | |
112 | return (IFile) resource; | |
113 | return null; | |
114 | } | |
115 | ||
116 | /* (non-Javadoc) | |
117 | * Method declared in SelectionDispatchAction | |
118 | */ | |
119 | @Override | |
120 | public void run(IStructuredSelection selection) { | |
121 | try { | |
122 | final IFile[] files= getJARFiles(selection); | |
123 | ||
124 | IWorkspaceRunnable operation= new IWorkspaceRunnable() { | |
125 | public void run(IProgressMonitor monitor) throws CoreException { | |
126 | monitor.beginTask(ActionMessages.AddToClasspathAction_progressMessage, files.length); | |
127 | for (int i= 0; i < files.length; i++) { | |
128 | monitor.subTask(BasicElementLabels.getPathLabel(files[i].getFullPath(), false)); | |
129 | IJavaProject project= JavaCore.create(files[i].getProject()); | |
130 | addToClassPath(project, files[i].getFullPath(), new SubProgressMonitor(monitor, 1)); | |
131 | } | |
132 | } | |
133 | ||
134 | private void addToClassPath(IJavaProject project, IPath jarPath, IProgressMonitor monitor) throws JavaModelException { | |
135 | if (monitor.isCanceled()) | |
136 | throw new OperationCanceledException(); | |
137 | IClasspathEntry[] entries= project.getRawClasspath(); | |
138 | IClasspathEntry[] newEntries= new IClasspathEntry[entries.length + 1]; | |
139 | System.arraycopy(entries, 0, newEntries, 0, entries.length); | |
140 | newEntries[entries.length]= JavaCore.newLibraryEntry(jarPath, null, null, false); | |
141 | project.setRawClasspath(newEntries, monitor); | |
142 | } | |
143 | }; | |
144 | ||
145 | PlatformUI.getWorkbench().getActiveWorkbenchWindow().run(true, true, new WorkbenchRunnableAdapter(operation)); | |
146 | } catch (InvocationTargetException e) { | |
147 | ExceptionHandler.handle(e, getShell(), | |
148 | ActionMessages.AddToClasspathAction_error_title, | |
149 | ActionMessages.AddToClasspathAction_error_message); | |
150 | } catch (JavaModelException e) { | |
151 | ExceptionHandler.handle(e, getShell(), | |
152 | ActionMessages.AddToClasspathAction_error_title, | |
153 | ActionMessages.AddToClasspathAction_error_message); | |
154 | } catch (InterruptedException e) { | |
155 | // canceled | |
156 | } | |
157 | ||
158 | } | |
159 | ||
160 | private static IFile[] getJARFiles(IStructuredSelection selection) throws JavaModelException { | |
161 | ArrayList<IFile> list= new ArrayList<IFile>(); | |
162 | for (Iterator<?> iter= selection.iterator(); iter.hasNext();) { | |
163 | Object element= iter.next(); | |
164 | if (element instanceof IAdaptable) { | |
165 | IFile file= getCandidate((IAdaptable) element); | |
166 | if (file != null) { | |
167 | list.add(file); | |
168 | } | |
169 | } | |
170 | } | |
171 | return list.toArray(new IFile[list.size()]); | |
172 | } | |
173 | } | |
174 |