DirectorySourceFileLocator.java
1/*******************************************************************************
2 * Copyright (c) 2009, 2010 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.InputStreamReader;
18import java.io.Reader;
19
20/**
21 * Locator for source files that picks source files from a given directory in
22 * the file system.
23 *
24 * @author Marc R. Hoffmann
25 * @version 0.4.1.20101007204400
26 */
27public class DirectorySourceFileLocator implements ISourceFileLocator {
28
29 private final File directory;
30
31 private final String encoding;
32
33 /**
34 * Creates a new locator that searches for source files in the given
35 * directory.
36 *
37 * @param directory
38 * directory to search for source file
39 * @param encoding
40 * encoding of the source files
41 */
42 public DirectorySourceFileLocator(final File directory, final String encoding) {
43 this.directory = directory;
44 this.encoding = encoding;
45 }
46
47 public Reader getSourceFile(final String packageName, final String fileName)
48 throws IOException {
49 final File dir = new File(directory, packageName);
50 final File file = new File(dir, fileName);
51 if (file.exists()) {
52 return new InputStreamReader(new FileInputStream(file), encoding);
53 }
54 return null;
55 }
56
57}