/**
* Tests a regular expression against each line of text in a Resource.
*
* @param r the Resource to check.
* @return whether the Resource is selected or not
*/
public boolean isSelected(Resource r) {
String teststr = null;
BufferedReader in = null;
// throw BuildException on error
validate();
if (r.isDirectory()) {
return true;
}
if (myRegExp == null) {
myRegExp = new RegularExpression();
myRegExp.setPattern(userProvidedExpression);
myExpression = myRegExp.getRegexp(getProject());
}
try {
in = new BufferedReader(new InputStreamReader(r.getInputStream()));
} catch (Exception e) {
throw new BuildException("Could not get InputStream from " + r.toLongString(), e);
}
try {
teststr = in.readLine();
while (teststr != null) {
if (myExpression.matches(
teststr, RegexpUtil.asOptions(caseSensitive, multiLine, singleLine))) {
return true;
}
teststr = in.readLine();
}
return false;
} catch (IOException ioe) {
throw new BuildException("Could not read " + r.toLongString());
} finally {
try {
in.close();
} catch (Exception e) {
throw new BuildException("Could not close " + r.toLongString());
}
}
}
/**
* Returns list of mapped files, that should be transformed. Files can by specified via attributes
* (srcFile, srcDir) or resources (FileSet, FileList, DirSet, etc). Mapped file represents input
* and output file for transformation.
*
* @return list of mapped files
*/
public List<MappedFile> getMappedFiles() {
mappedFiles.clear();
// one src file
if (getSrcFile() != null) {
addMappedFile(getSrcFile());
}
if (getSrcDir() != null) {
addMappedFile(getSrcDir());
}
Iterator element = resources.iterator();
while (element.hasNext()) {
ResourceCollection rc = (ResourceCollection) element.next();
if (rc instanceof FileSet && rc.isFilesystemOnly()) {
FileSet fs = (FileSet) rc;
File fromDir = fs.getDir(getProject());
DirectoryScanner ds;
try {
ds = fs.getDirectoryScanner(getProject());
} catch (BuildException ex) {
log("Could not scan directory " + fromDir, ex, Project.MSG_ERR);
continue;
}
for (String f : ds.getIncludedFiles()) {
addMappedFile(new File(fromDir + System.getProperty("file.separator") + f), fromDir);
}
} else {
if (!rc.isFilesystemOnly()) {
log("Only filesystem resources are supported", Project.MSG_WARN);
continue;
}
Iterator rcIt = rc.iterator();
while (rcIt.hasNext()) {
Resource r = (Resource) rcIt.next();
if (!r.isExists()) {
log("Could not find resource " + r.toLongString(), Project.MSG_VERBOSE);
continue;
}
if (r instanceof FileResource) {
FileResource fr = (FileResource) r;
addMappedFile(fr.getFile(), fr.getBaseDir());
} else {
log(
"Only file resources are supported (" + r.getClass().getSimpleName() + " found)",
Project.MSG_WARN);
continue;
}
}
}
}
return mappedFiles;
}
/**
* Add a resource to the source list.
*
* @since Ant 1.7.1
* @param sourceResource the resource to load
* @throws BuildException if the resource cannot be read
*/
public void loadResource(Resource sourceResource) {
String name = sourceResource.toLongString();
InputStream in = null;
try {
in = sourceResource.getInputStream();
} catch (IOException e) {
throw new BuildException("Failed to open " + name, e);
} catch (UnsupportedOperationException e) {
throw new BuildException("Failed to open " + name + " -it is not readable", e);
}
readSource(new InputStreamReader(in), name);
}
/**
* Implementation of ResourceSelector.isSelected().
*
* @param resource The resource to check
* @return whether the resource is selected
* @see ResourceSelector#isSelected(Resource)
*/
public boolean isSelected(Resource resource) {
if (resource.isFilesystemOnly()) {
// We have a 'resourced' file, so reconvert it and use
// the 'old' implementation.
FileResource fileResource = (FileResource) resource;
File file = fileResource.getFile();
String filename = fileResource.getName();
File basedir = fileResource.getBaseDir();
return isSelected(basedir, filename, file);
} else {
try {
// How to handle non-file-Resources? I copy temporarily the
// resource to a file and use the file-implementation.
FileUtils fu = FileUtils.getFileUtils();
File tmpFile = fu.createTempFile("modified-", ".tmp", null, true, false);
Resource tmpResource = new FileResource(tmpFile);
ResourceUtils.copyResource(resource, tmpResource);
boolean isSelected =
isSelected(tmpFile.getParentFile(), tmpFile.getName(), resource.toLongString());
tmpFile.delete();
return isSelected;
} catch (UnsupportedOperationException uoe) {
log(
"The resource '"
+ resource.getName()
+ "' does not provide an InputStream, so it is not checked. "
+ "Akkording to 'selres' attribute value it is "
+ ((selectResourcesWithoutInputStream) ? "" : " not")
+ "selected.",
Project.MSG_INFO);
return selectResourcesWithoutInputStream;
} catch (Exception e) {
throw new BuildException(e);
}
}
}
