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1 /* |
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2 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package anttasks; |
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27 |
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28 import genstubs.GenStubs; |
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29 |
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30 import java.io.*; |
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31 import java.util.*; |
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32 |
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33 import org.apache.tools.ant.BuildException; |
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34 import org.apache.tools.ant.DirectoryScanner; |
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35 import org.apache.tools.ant.taskdefs.MatchingTask; |
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36 import org.apache.tools.ant.types.Path; |
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37 import org.apache.tools.ant.types.Reference; |
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38 |
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39 /** |
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40 * Files are specified with an implicit fileset, using srcdir as a base directory. |
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41 * The set of files to be included is specified with an includes attribute or |
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42 * nested <includes> set. However, unlike a normal fileset, an empty includes attribute |
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43 * means "no files" instead of "all files". The Ant task also accepts "fork=true" and |
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44 * classpath attribute or nested <classpath> element to run GenStubs in a separate VM |
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45 * with the specified path. This is likely necessary if a JDK 7 parser is required to read the |
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46 * JDK 7 input files. |
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47 */ |
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48 public class GenStubsTask extends MatchingTask { |
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49 private File srcDir; |
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50 private File destDir; |
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51 private boolean fork; |
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52 private Path classpath; |
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53 private String includes; |
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54 |
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55 public void setSrcDir(File dir) { |
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56 this.srcDir = dir; |
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57 } |
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58 |
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59 public void setDestDir(File dir) { |
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60 this.destDir = dir; |
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61 } |
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62 |
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63 public void setFork(boolean v) { |
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64 this.fork = v; |
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65 } |
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66 |
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67 public void setClasspath(Path cp) { |
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68 if (classpath == null) |
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69 classpath = cp; |
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70 else |
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71 classpath.append(cp); |
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72 } |
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73 |
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74 public Path createClasspath() { |
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75 if (classpath == null) { |
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76 classpath = new Path(getProject()); |
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77 } |
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78 return classpath.createPath(); |
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79 } |
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80 |
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81 public void setClasspathRef(Reference r) { |
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82 createClasspath().setRefid(r); |
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83 } |
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84 |
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85 public void setIncludes(String includes) { |
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86 super.setIncludes(includes); |
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87 this.includes = includes; |
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88 } |
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89 |
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90 @Override |
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91 public void execute() { |
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92 if (includes != null && includes.trim().isEmpty()) |
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93 return; |
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94 |
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95 DirectoryScanner s = getDirectoryScanner(srcDir); |
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96 String[] files = s.getIncludedFiles(); |
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97 // System.err.println("Ant.execute: srcDir " + srcDir); |
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98 // System.err.println("Ant.execute: destDir " + destDir); |
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99 // System.err.println("Ant.execute: files " + Arrays.asList(files)); |
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100 |
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101 files = filter(srcDir, destDir, files); |
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102 if (files.length == 0) |
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103 return; |
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104 System.out.println("Generating " + files.length + " stub files to " + destDir); |
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105 |
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106 List<String> classNames = new ArrayList<String>(); |
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107 for (String file: files) { |
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108 classNames.add(file.replaceAll(".java$", "").replace('/', '.')); |
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109 } |
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110 |
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111 if (!fork) { |
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112 GenStubs m = new GenStubs(); |
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113 boolean ok = m.run(srcDir.getPath(), destDir, classNames); |
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114 if (!ok) |
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115 throw new BuildException("genstubs failed"); |
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116 } else { |
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117 List<String> cmd = new ArrayList<String>(); |
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118 String java_home = System.getProperty("java.home"); |
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119 cmd.add(new File(new File(java_home, "bin"), "java").getPath()); |
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120 if (classpath != null) |
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121 cmd.add("-Xbootclasspath/p:" + classpath); |
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122 cmd.add(GenStubs.class.getName()); |
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123 cmd.add("-sourcepath"); |
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124 cmd.add(srcDir.getPath()); |
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125 cmd.add("-s"); |
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126 cmd.add(destDir.getPath()); |
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127 cmd.addAll(classNames); |
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128 //System.err.println("GenStubs exec " + cmd); |
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129 ProcessBuilder pb = new ProcessBuilder(cmd); |
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130 pb.redirectErrorStream(true); |
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131 try { |
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132 Process p = pb.start(); |
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133 BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream())); |
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134 try { |
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135 String line; |
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136 while ((line = in.readLine()) != null) |
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137 System.out.println(line); |
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138 } finally { |
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139 in.close(); |
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140 } |
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141 int rc = p.waitFor(); |
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142 if (rc != 0) |
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143 throw new BuildException("genstubs failed"); |
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144 } catch (IOException e) { |
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145 throw new BuildException("genstubs failed", e); |
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146 } catch (InterruptedException e) { |
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147 throw new BuildException("genstubs failed", e); |
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148 } |
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149 } |
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150 } |
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151 |
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152 String[] filter(File srcDir, File destDir, String[] files) { |
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153 List<String> results = new ArrayList<String>(); |
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154 for (String f: files) { |
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155 long srcTime = new File(srcDir, f).lastModified(); |
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156 long destTime = new File(destDir, f).lastModified(); |
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157 if (srcTime > destTime) |
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158 results.add(f); |
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159 } |
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160 return results.toArray(new String[results.size()]); |
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161 } |
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162 } |