1 | /******************************************************************************* |
2 | * Copyright (c) 2007, 2009 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.pde.api.tools.internal; |
12 | |
13 | import java.io.File; |
14 | import java.io.FileInputStream; |
15 | import java.io.FileNotFoundException; |
16 | import java.io.InputStream; |
17 | |
18 | import org.eclipse.core.resources.IFile; |
19 | import org.eclipse.core.runtime.CoreException; |
20 | import org.eclipse.jdt.core.ICompilationUnit; |
21 | |
22 | /** |
23 | * A compilation unit in the API context acts as a proxy to the stream of file contents. It holds |
24 | * meta-data about the underlying file, but does not hold on to the actual contents of the file. |
25 | * |
26 | * @since 1.0.0 |
27 | */ |
28 | public class CompilationUnit { |
29 | |
30 | private String name = null; |
31 | private String filepath = null; |
32 | private ICompilationUnit unit = null; |
33 | |
34 | /** |
35 | * The full path to the file |
36 | * Constructor |
37 | * @param filepath the absolute path to the file. If the path points to a file that does |
38 | * not exist an {@link IllegalArgumentException} is thrown |
39 | */ |
40 | public CompilationUnit(String filepath) { |
41 | File file = new File(filepath); |
42 | if(!file.exists()) { |
43 | throw new IllegalArgumentException("The specified path is not an existing file"); //$NON-NLS-1$ |
44 | } |
45 | this.filepath = filepath; |
46 | name = file.getName(); |
47 | } |
48 | |
49 | public CompilationUnit(ICompilationUnit compilationUnit) { |
50 | unit = compilationUnit; |
51 | name = compilationUnit.getElementName(); |
52 | } |
53 | |
54 | /** |
55 | * @return the name of the file |
56 | */ |
57 | public String getName() { |
58 | return name; |
59 | } |
60 | |
61 | /** |
62 | * Returns the input stream of the file |
63 | * @return the input stream of the files' contents |
64 | * @throws FileNotFoundException if the input stream could not connect |
65 | * to the actual file |
66 | */ |
67 | public InputStream getInputStream() throws FileNotFoundException { |
68 | if (unit != null) { |
69 | try { |
70 | return ((IFile)(unit.getCorrespondingResource())).getContents(); |
71 | } catch (CoreException e) { |
72 | // TODO: should throw CoreException |
73 | throw new FileNotFoundException(e.getStatus().getMessage()); |
74 | } |
75 | } |
76 | return new FileInputStream(new File(filepath)); |
77 | } |
78 | |
79 | /* (non-Javadoc) |
80 | * @see java.lang.Object#toString() |
81 | */ |
82 | public String toString() { |
83 | return getName(); |
84 | } |
85 | } |