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/*
* Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Reader;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import com.sun.tools.doclint.DocLint;
import com.sun.tools.doclint.DocLint.BadArgs;
public class DocLintTester {
public static void main(String... args) throws Exception {
new DocLintTester().run(args);
}
public void run(String... args) throws Exception {
String testSrc = System.getProperty("test.src");
boolean badArgs = false;
File refFile = null;
List<String> opts = new ArrayList<String>();
List<File> files = new ArrayList<File>();
for (int i = 0; i < args.length; i++) {
String arg = args[i];
if (arg.equals("-ref")) {
refFile = new File(testSrc, args[++i]);
} else if (arg.equals("-badargs")) {
badArgs = true;
} else if (arg.startsWith("-Xmsgs")) {
opts.add(arg);
} else if (arg.startsWith("-XcustomTags")) {
opts.add(arg);
} else if (arg.startsWith("-XhtmlVersion")) {
opts.add(arg);
} else if (arg.startsWith("-")) {
opts.add(arg);
if (i < args.length - 1 && !args[i+1].startsWith("-"))
opts.add(args[++i]);
} else
files.add(new File(testSrc, arg));
}
check(opts, files, badArgs, refFile);
if (errors > 0)
throw new Exception(errors + " errors occurred");
}
void check(List<String> opts, List<File> files, boolean expectBadArgs, File refFile) throws Exception {
List<String> args = new ArrayList<String>();
args.addAll(opts);
for (File file: files)
args.add(file.getPath());
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
try {
new DocLint().run(pw, args.toArray(new String[args.size()]));
if (expectBadArgs)
error("expected exception not thrown");
} catch (BadArgs e) {
if (!expectBadArgs)
error("unexpected exception caught: " + e);
}
pw.flush();
String out = normalizeNewlines(removeFileNames(sw.toString())).trim();
if (out != null)
System.err.println("Output:\n" + out);
if (refFile == null) {
if (!out.isEmpty())
error("unexpected output");
} else {
String expect = readFile(refFile);
if (!expect.equals(out)) {
error("expected output not found");
System.err.println("EXPECT>>" + expect + "<<");
System.err.println(" FOUND>>" + out + "<<");
}
}
}
String readFile(File file) throws IOException {
StringBuilder sb = new StringBuilder();
Reader in = new BufferedReader(new FileReader(file));
try {
char[] buf = new char[1024];
int n;
while ((n = in.read(buf)) != -1)
sb.append(buf, 0, n);
} finally {
in.close();
}
return sb.toString().trim();
}
private static final Pattern dirFileLine = Pattern.compile(
"(?m)" // multi-line mode
+ "^(.*?)" // directory part of file name
+ "([-A-Za-z0-9.]+:[0-9]+:)"); // file name and line number
String removeFileNames(String s) {
Matcher m = dirFileLine.matcher(s);
StringBuffer sb = new StringBuffer();
while (m.find()) {
m.appendReplacement(sb, "$2");
}
m.appendTail(sb);
return sb.toString();
}
private static final String nl = System.getProperty("line.separator");
String normalizeNewlines(String s) {
return (nl.equals("\n") ? s : s.replace(nl, "\n"));
}
void error(String msg) {
System.err.println("Error: " + msg);
errors++;
}
int errors;
}
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