final File javadoc; final File testSrc; final String thisClassName;
/** *Dummyjavadoccomment.
*/ public QuietOption() {
File javaHome = new File(System.getProperty("java.home")); if (javaHome.getName().endsWith("jre"))
javaHome = javaHome.getParentFile();
javadoc = new File(new File(javaHome, "bin"), "javadoc");
testSrc = new File(System.getProperty("test.src"));
thisClassName = QuietOption.class.getName();
}
/** *Dummyjavadoccomment. *@paramargsdummy *@throwsExceptioniferror
*/ publicstaticvoid main(String... args) throws Exception {
QuietOption test = new QuietOption();
test.run1();
test.run2();
}
// make sure javadoc is quiet void run1() throws Exception {
List<String> output = doTest(javadoc.getPath(), "-classpath", ".", // insulates us from ambient classpath "-quiet", new File(testSrc, thisClassName + ".java").getPath());
if (!output.isEmpty()) { // Remove any lines that might have been generated by the runtime
Iterator<String> iter = output.iterator(); while (iter.hasNext()) {
String line = iter.next(); if (line.matches("^Picked up .*JAVA.*OPTIONS:.*")) {
System.out.println("IGNORING: " + line);
iter.remove();
}
}
}
if (!output.isEmpty()) {
System.out.println(output); thrownew Exception("run1: Shhh!, very chatty javadoc!.");
}
}
// make sure javadoc is chatty void run2() throws Exception {
List<String> output = doTest(javadoc.getPath(), "-classpath", ".", // insulates us from ambient classpath new File(testSrc, thisClassName + ".java").getPath());
if (output.isEmpty()) {
System.out.println(output); thrownew Exception("run2: speak up and please be heard!.");
}
}
/** *Moredummycomments.
*/
List<String> doTest(String... args) throws Exception {
List<String> output = new ArrayList<>(); // run javadoc in separate process to ensure doclet executed under // normal user conditions w.r.t. classloader
Process p = new ProcessBuilder()
.command(args)
.redirectErrorStream(true)
.start(); try (BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()))) {
String line = in.readLine(); while (line != null) {
output.add(line.trim());
line = in.readLine();
}
} int rc = p.waitFor(); if (rc != 0) { thrownew Exception("javadoc failed, rc:" + rc);
} return output;
}
}
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