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/*
* Copyright 2010 Nhat Minh Lê
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
import com.google.java.contract.core.agent.PreMain;
import com.google.java.contract.core.util.JavaUtils;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.DirectoryScanner;
import org.apache.tools.ant.taskdefs.MatchingTask;
import java.io.File;
import java.util.ArrayList;
import javax.tools.JavaFileObject.Kind;
public class PreAgentAntTask extends MatchingTask {
protected File srcdir;
protected File destdir;
public void setSrcdir(File srcdir) {
this.srcdir = srcdir;
}
public void setDestdir(File destdir) {
this.destdir = destdir;
}
public void execute() throws BuildException {
if (srcdir == null) {
throw new BuildException("missing required attribute \"srcdir\"");
}
if (destdir == null) {
throw new BuildException("missing required attribute \"destdir\"");
}
DirectoryScanner ds = getDirectoryScanner(srcdir);
try {
String[] srcs = ds.getIncludedFiles();
ArrayList<String> absSrcs = new ArrayList<String>();
for (String src : srcs) {
if (!src.toString().endsWith(Kind.CLASS.extension)) {
continue;
}
File srcFile = new File(srcdir + "/" + src);
File destFile = new File(destdir + "/" + src);
if (srcFile.lastModified() > destFile.lastModified()) {
absSrcs.add(srcFile.toString());
}
}
int n = absSrcs.size();
if (n > 0) {
System.out.println("Instrumenting " + n
+ " class file" + (n == 1 ? "" : "s")
+ " to " + destdir);
ClassLoader loader =
JavaUtils.getLoaderForPath(srcdir.toString(),
getClass().getClassLoader());
PreMain.instrument(absSrcs.toArray(new String[0]),
destdir.toString(),
loader);
}
} catch (Exception e) {
throw new BuildException(e);
}
}
}
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