| 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 | } |