01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17:
18: package org.apache.commons.jci.readers;
19:
20: import java.io.File;
21: import java.util.ArrayList;
22: import java.util.List;
23:
24: import org.apache.commons.io.FileUtils;
25:
26: /**
27: * A simple file system based Reader implementation
28: *
29: * @author tcurdt
30: */
31: public final class FileResourceReader implements ResourceReader {
32:
33: private final File root;
34:
35: public FileResourceReader(final File pRoot) {
36: root = pRoot;
37: }
38:
39: public boolean isAvailable(final String pResourceName) {
40: return new File(root, pResourceName).exists();
41: }
42:
43: public byte[] getBytes(final String pResourceName) {
44: try {
45: return FileUtils.readFileToString(
46: new File(root, pResourceName), "UTF-8").getBytes();
47: } catch (Exception e) {
48: return null;
49: }
50: }
51:
52: /**
53: * @deprecated
54: */
55: public String[] list() {
56: final List files = new ArrayList();
57: list(root, files);
58: return (String[]) files.toArray(new String[files.size()]);
59: }
60:
61: /**
62: * @deprecated
63: */
64: private void list(final File pFile, final List pFiles) {
65: if (pFile.isDirectory()) {
66: final File[] directoryFiles = pFile.listFiles();
67: for (int i = 0; i < directoryFiles.length; i++) {
68: list(directoryFiles[i], pFiles);
69: }
70: } else {
71: pFiles.add(pFile.getAbsolutePath().substring(
72: root.getAbsolutePath().length() + 1));
73: }
74: }
75: }
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