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1
5 package versioncheck;
6
7 import java.io.File  ;
8 import java.io.FileInputStream ;
9 import java.io.FileNotFoundException ;
10 import java.io.FileOutputStream ;
11 import java.io.FileWriter ;
12 import java.io.IOException ;
13 import java.io.OutputStream ;
14 import java.io.PrintWriter ;
15 import java.io.StringWriter ;
16 import java.util.ArrayList ;
17 import java.util.HashSet ;
18 import java.util.Iterator ;
19 import java.util.List ;
20 import java.util.Properties ;
21 import java.util.Set ;
22
23 import org.apache.tools.ant.BuildException;
24 import org.apache.tools.ant.DirectoryScanner;
25 import org.apache.tools.ant.Project;
26 import org.apache.tools.ant.Task;
27 import org.apache.tools.ant.types.FileSet;
28
29
33 public class VersionCheckTask extends Task {
34
35 private File file;
36 private List filesets = new ArrayList ();
37 private File output;
38
39 public void setVersionFile(File file) {
40 this.file = file;
41 }
42
43 public File getVersionFile() {
44 return file;
45 }
46
47 public void setOutput(File file) {
48 output=file;
49 }
50
51 public void addFileSet(FileSet fileset) {
52 filesets.add(fileset);
53 }
54
55 void logWarn(String message) {
56 log(message, Project.MSG_WARN);
57 }
58
59 public void execute() throws BuildException {
60 try {
61 boolean failed = false;
62 StringWriter result = new StringWriter ();
63 PrintWriter writer = new PrintWriter (result);
64 Properties props = new Properties ();
65 props.load(new FileInputStream (file));
66
67 Set set = locateLibraryKeys(props);
68
69 List availableLibraries = getAvailableLibraries();
70
71 Iterator iterator = set.iterator();
72
73 while (iterator.hasNext()) {
75 String name = (String ) iterator.next();
76 String key = name + ".lib";
77 String library = props.getProperty(key);
78
79 if(availableLibraries.remove(library)) {
80 writer.println();
81 writer.println(props.getProperty(key) + " (" + props.getProperty(name + ".version","unknown") +")");
82 writer.println("- " + props.getProperty(name + ".name", "unknown name"));
83 writer.println("- " + props.getProperty(name + ".when", "unknown requirement"));
84 } else {
86 if(!Boolean.valueOf((String ) props.getProperty(name + ".ignorecheck")).booleanValue()) {
87 logWarn(library + " not found in fileset of libraries!");
89 failed = true;
90 }
91 }
92 }
93
94
95 iterator = availableLibraries.iterator();
96 while(iterator.hasNext()) {
98 String leftover = (String ) iterator.next();
99
100 logWarn("Library " + leftover + " not listed in " + file);
101 failed = true;
102 }
103
104
105
106 if(failed) throw new BuildException("Warning/Errors found during versioncheck.");
107
108 if(output!=null) {
109 FileWriter stream = new FileWriter (output);
110 stream.write(result.getBuffer().toString());
111 stream.flush();
112 log("Wrote info file to " + output);
113 }
114
115 } catch (FileNotFoundException e) {
116 throw new BuildException("Problems when loading " + file,e);
117 } catch (IOException e) {
118 throw new BuildException("Problems when loading " + file,e);
119 }
120
121
122 super.execute();
123 }
124
125 private List getAvailableLibraries() {
126 List l = new java.util.ArrayList ();
127 for (int i = 0; i < filesets.size(); i++) {
129 FileSet fs = (FileSet) filesets.get(i);
130 DirectoryScanner ds = fs.getDirectoryScanner(getProject());
131 String [] files = ds.getIncludedFiles();
132 for (int j = 0; j < files.length; j++) {
133 l.add( files[j]);
134 }
135 }
136
137 return l;
139 }
140
141
145 private Set locateLibraryKeys(Properties props) {
146 Set libraries = new HashSet ();
147 Iterator iterator = props.keySet().iterator();
148 while (iterator.hasNext()) {
149 String key = (String ) iterator.next();
150 if(key.endsWith(".lib")) {
151 String libname = key.substring(0,key.length()-4);
152 if(!libraries.add(libname)) {
153 logWarn(libname + " defined multiple times!");
154 }
155 }
156 }
157 return libraries;
158 }
159 }
160
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