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package com.sun.jersey.core.spi.scanning.uri;
import com.sun.jersey.core.spi.scanning.JarFileScanner;
import com.sun.jersey.core.spi.scanning.ScannerException;
import com.sun.jersey.core.spi.scanning.ScannerListener;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URL;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import javax.ws.rs.core.UriBuilder;
/**
* A JBoss-based "vfsfile", "vfs" and "vfszip" scheme URI scanner.
*
* @author [email protected]
*/
public class VfsSchemeScanner implements UriSchemeScanner {
public Set getSchemes() {
return new HashSet(Arrays.asList("vfsfile", "vfszip", "vfs"));
}
// UriSchemeScanner
public void scan(final URI u, final ScannerListener sl) {
if (!u.getScheme().equalsIgnoreCase("vfszip")) {
new FileSchemeScanner().scan(
UriBuilder.fromUri(u).scheme("file").build(),
sl);
} else {
final String su = u.toString();
final int webInfIndex = su.indexOf("/WEB-INF/classes");
if (webInfIndex != -1) {
final String war = su.substring(0, webInfIndex);
final String path = su.substring(webInfIndex + 1);
final int warParentIndex = war.lastIndexOf('/');
final String warParent = su.substring(0, warParentIndex);
// Check is there is a war within an ear
// If so we need to load the ear then obtain the InputStream
// of the entry to the war
if (warParent.endsWith(".ear")) {
final String warName = su.substring(warParentIndex + 1, war.length());
try {
JarFileScanner.scan(new URL(warParent.replace("vfszip", "file")).openStream(), "",
new ScannerListener() {
public boolean onAccept(String name) {
return name.equals(warName);
}
public void onProcess(String name, InputStream in) throws IOException {
// This is required so that the underlying ear
// is not closed
in = new FilterInputStream(in) {
public void close() throws IOException {};
};
try {
JarFileScanner.scan(in, path, sl);
} catch (IOException ex) {
throw new ScannerException("IO error when scanning war " + u, ex);
}
}
});
} catch (IOException ex) {
throw new ScannerException("IO error when scanning war " + u, ex);
}
} else {
try {
JarFileScanner.scan(new URL(war.replace("vfszip", "file")).openStream(), path, sl);
} catch (IOException ex) {
throw new ScannerException("IO error when scanning war " + u, ex);
}
}
} else {
try {
JarFileScanner.scan(new URL(su).openStream(), "", sl);
} catch (IOException ex) {
throw new ScannerException("IO error when scanning jar " + u, ex);
}
}
}
}
}