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/Users/lyon/j4p/src/futils/DirList.java
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1 package futils;
2
3 import javax.swing.JDialog;
4 import javax.swing.JLabel;
5 import java.awt.Container;
6 import java.awt.FlowLayout;
7 import java.io.File;
8 import java.io.FilenameFilter;
9 import java.util.Collections;
10 import java.util.Vector;
11
12 /**
13 * DirList, w/o recursion.
14 */
15 public class DirList {
16 private File startDir;
17 private Vector history = new Vector();
18 private int totalBytes = 0;
19 private String suffix = null;
20 private boolean verbose = false;
21 private ProgressPanel pp = new ProgressPanel();
22 private FilenameFilter fnf = null;
23
24 public class ProgressPanel extends JDialog {
25 JLabel jl = new JLabel("file #");
26 JLabel fl = new JLabel("0");
27 int i = 0;
28
29 ProgressPanel() {
30 Container c = getContentPane();
31 c.setLayout(new FlowLayout());
32 c.add(jl);
33 c.add(fl);
34 setSize(200, 200);
35 }
36
37 public void incrementValue() {
38 fl.setText("" + i++);
39 }
40 }
41
42 public static void main(String args[]) {
43 DirList dl = new DirList("");
44 dl.sort();
45 File f[] = dl.getFiles();
46 dl.printFiles();
47 dl.printStats();
48 }
49
50 public void sort() {
51 Collections.sort(history);
52 }
53
54 public DirList(FilenameFilter fnf) {
55 this.fnf = fnf;
56 suffix = null;
57 startDir = Futil.getReadDirFile("select a directory");
58 pp.show();
59 startAtThisDir(startDir);
60 pp.hide();
61 }
62
63 public DirList(String _suffix) {
64 suffix = _suffix;
65 startDir = Futil.getReadDirFile("select a *." + suffix + " file");
66 pp.show();
67 startAtThisDir(startDir);
68 pp.hide();
69 }
70
71 public DirList(File _startDir, String _suffix) {
72 startDir = _startDir;
73 startAtThisDir(startDir);
74 }
75
76 public void printStats() {
77 System.out.println("Saw " +
78 getTotalFiles() +
79 " *" +
80 suffix +
81 " files with a total size of " +
82 totalBytes +
83 " bytes");
84 }
85
86 public void printFiles() {
87 System.out.println("PrintFiles-------");
88 File f[] = getFilesNotDirectories();
89 for (int i = 0; i < f.length; i++)
90 System.out.println(f[i]);
91 }
92
93 public final void printVerbose(Object o) {
94 if (verbose)
95 System.out.println(o);
96 }
97
98 //-------------------------------------------------------
99 // Recursive function that given an anchor directory
100 // will walk directory gui.tree
101 //
102 //-------------------------------------------------------
103 public void startAtThisDir(File f1) {
104 printVerbose("Selected -> " + f1);
105 printVerbose("Files in this Directory: ");
106 addFilesInThisDirectory(f1);
107 processAllDirectoriesInThisDirectory(f1);
108 }
109
110 private Vector vecDir = new Vector();
111
112 private File nextDir() {
113 return (File) vecDir.remove(vecDir.size() - 1);
114 }
115
116 private void addDirs(File dirList[]) {
117 if (dirList == null) return;
118 for (int i = 0; i < dirList.length; i++)
119 vecDir.addElement(dirList[i]);
120 }
121
122 private void processAllDirectoriesInThisDirectory(File f1) {
123 addDirs(f1.listFiles(new DirFilter()));
124 while (vecDir.size() > 0) {
125 File f = nextDir();
126 printVerbose("Selected -> " + f);
127 printVerbose("Files in this Directory: ");
128 addFilesInThisDirectory(f);
129 addDirs(f.listFiles(new DirFilter()));
130 }
131 }
132
133 //-------------------------------------------------------
134 // Loop through all the filenames in the current directory
135 // and store them in history:
136 //-------------------------------------------------------
137 private void addFilesInThisDirectory(File f1) {
138 File ls[] = null;
139 pp.incrementValue();
140 if (fnf == null) {
141 ls = f1.listFiles(new WildFilter(suffix));
142 } else ls = f1.listFiles(fnf);
143 if (ls == null) return;
144 for (int i = 0; i < ls.length; i++)
145 addFile(ls[i]);
146 }
147
148 private void addFile(File f2) {
149 int bytes = Futil.available(f2);
150 totalBytes += bytes;
151 printVerbose(f2 +
152 " has " +
153 bytes + " bytes");
154 history.addElement(f2);
155 }
156
157 public File getStartDir() {
158 return startDir;
159 }
160
161 public File[] getFilesNotDirectories() {
162 Vector v = new Vector();
163 for (int i = 0; i < history.size(); i++) {
164 File f = (File) history.elementAt(i);
165 if (f.isFile())
166 v.addElement(f);
167 }
168 File f[] = new File[v.size()];
169 v.copyInto(f);
170 return f;
171 }
172
173 public File[] getFiles() {
174 File f[] = new File[history.size()];
175 history.copyInto(f);
176 return f;
177 }
178
179 public int getTotalBytes() {
180 return totalBytes;
181 }
182
183 public int getTotalFiles() {
184 return history.size();
185 }
186
187 public String getSuffix() {
188 return suffix;
189 }
190 }
191
192
193
194