DirectorySourceFileLocator.java revision a6d2b043f09984e3f2fe77e9f7502564350055f6 
1/*******************************************************************************
2 * Copyright (c) 2009, 2016 Mountainminds GmbH & Co. KG and Contributors
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 *    Marc R. Hoffmann - initial API and implementation
10 *
11 *******************************************************************************/
12package org.jacoco.report;
13
14import java.io.File;
15import java.io.FileInputStream;
16import java.io.IOException;
17import java.io.InputStream;
18
19/**
20 * Locator for source files that picks source files from a given directory in
21 * the file system.
22 */
23public class DirectorySourceFileLocator extends InputStreamSourceFileLocator {
24
25	private final File directory;
26
27	/**
28	 * Creates a new locator that searches for source files in the given
29	 * directory.
30	 *
31	 * @param directory
32	 *            directory to search for source file
33	 * @param encoding
34	 *            encoding of the source files, <code>null</code> for platform
35	 *            default encoding
36	 * @param tabWidth
37	 *            tab width in source files as number of blanks
38	 *
39	 */
40	public DirectorySourceFileLocator(final File directory,
41			final String encoding, final int tabWidth) {
42		super(encoding, tabWidth);
43		this.directory = directory;
44	}
45
46	@Override
47	protected InputStream getSourceStream(final String path) throws IOException {
48		final File file = new File(directory, path);
49		if (file.exists()) {
50			return new FileInputStream(file);
51		} else {
52			return null;
53		}
54	}
55
56}
57