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32
33 package com.jeantessier.dependencyfinder.cli;
34
35 import java.io.*;
36 import java.util.*;
37
38 import org.apache.log4j.*;
39
40 import com.jeantessier.classreader.*;
41 import com.jeantessier.commandline.*;
42 import com.jeantessier.dependencyfinder.*;
43
44 public class ClassList {
45 public static final String  DEFAULT_LOGFILE = "System.out";
46
47 public static void showError(CommandLineUsage clu, String msg) {
48 System.err.println(msg);
49 showError(clu);
50 }
51
52 public static void showError(CommandLineUsage clu) {
53 System.err.println(clu);
54 System.err.println();
55 System.err.println("If no files are specified, it processes the current directory.");
56 System.err.println();
57 }
58
59 public static void showVersion() throws IOException {
60 Version version = new Version();
61
62 System.err.print(version.getImplementationTitle());
63 System.err.print(" ");
64 System.err.print(version.getImplementationVersion());
65 System.err.print(" (c) ");
66 System.err.print(version.getCopyrightDate());
67 System.err.print(" ");
68 System.err.print(version.getCopyrightHolder());
69 System.err.println();
70
71 System.err.print(version.getImplementationURL());
72 System.err.println();
73
74 System.err.print("Compiled on ");
75 System.err.print(version.getImplementationDate());
76 System.err.println();
77 }
78
79 public static void main(String [] args) throws Exception {
80 CommandLine commandLine = new CommandLine();
82 commandLine.addToggleSwitch("time");
83 commandLine.addSingleValueSwitch("out");
84 commandLine.addToggleSwitch("help");
85 commandLine.addOptionalValueSwitch("verbose", DEFAULT_LOGFILE);
86 commandLine.addToggleSwitch("version");
87
88 CommandLineUsage usage = new CommandLineUsage("ClassList");
89 commandLine.accept(usage);
90
91 try {
92 commandLine.parse(args);
93 } catch (IllegalArgumentException ex) {
94 showError(usage, ex.toString());
95 System.exit(1);
96 } catch (CommandLineException ex) {
97 showError(usage, ex.toString());
98 System.exit(1);
99 }
100
101 if (commandLine.getToggleSwitch("help")) {
102 showError(usage);
103 }
104
105 if (commandLine.getToggleSwitch("version")) {
106 showVersion();
107 }
108
109 if (commandLine.getToggleSwitch("help") || commandLine.getToggleSwitch("version")) {
110 System.exit(1);
111 }
112
113 VerboseListener verboseListener = new VerboseListener();
114 if (commandLine.isPresent("verbose")) {
115 if ("System.out".equals(commandLine.getOptionalSwitch("verbose"))) {
116 verboseListener.setWriter(System.out);
117 } else {
118 verboseListener.setWriter(new FileWriter(commandLine.getOptionalSwitch("verbose")));
119 }
120 }
121
122
125
126 Date start = new Date();
127
128 PrintWriter out;
129 if (commandLine.isPresent("out")) {
130 out = new PrintWriter(new FileWriter(commandLine.getSingleSwitch("out")));
131 } else {
132 out = new PrintWriter(new OutputStreamWriter(System.out));
133 }
134
135 List parameters = commandLine.getParameters();
136 if (parameters.size() == 0) {
137 parameters.add(".");
138 }
139
140 Iterator i = parameters.iterator();
141 while (i.hasNext()) {
142 String filename = (String ) i.next();
143
144 out.println(filename + ":");
145
146 ClassfileLoader loader = new AggregatingClassfileLoader();
147 loader.addLoadListener(verboseListener);
148 loader.load(Collections.singleton(filename));
149
150 Iterator j = loader.getAllClassfiles().iterator();
151 while (j.hasNext()) {
152 out.println(j.next());
153 }
154
155 out.println();
156 }
157
158 Date end = new Date();
159
160 if (commandLine.getToggleSwitch("time")) {
161 System.err.println(ClassList.class.getName() + ": " + ((end.getTime() - (double) start.getTime()) / 1000) + " secs.");
162 }
163
164 out.close();
165
166 verboseListener.close();
167 }
168 }
169 |
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