Java Code Examples for java.net.JarURLConnection#getJarFileURL()
The following examples show how to use
java.net.JarURLConnection#getJarFileURL() .
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Example 1
| Source File: IOUtils.java From elasticsearch-hadoop with Apache License 2.0 | 6 votes |
|
/**
* Convert either a file or jar url into a local canonical file, or null if the file is a different scheme.
* @param fileURL the url to resolve to a canonical file.
* @return null if given URL is null, not using the jar scheme, or not using the file scheme. Otherwise, returns the
* String path to the local canonical file.
* @throws URISyntaxException If the given URL cannot be transformed into a URI
* @throws IOException If the jar cannot be read or if the canonical file cannot be determined
*/
public static String toCanonicalFilePath(URL fileURL) throws URISyntaxException, IOException {
if (fileURL == null) {
return null;
}
// Only handle jar: and file: schemes
if (!"jar".equals(fileURL.getProtocol()) && !"file".equals(fileURL.getProtocol())) {
return null;
}
// Parse the jar file location from the jar url. Doesn't open any resources.
if ("jar".equals(fileURL.getProtocol())) {
JarURLConnection jarURLConnection = (JarURLConnection) fileURL.openConnection();
fileURL = jarURLConnection.getJarFileURL();
}
URI fileURI = fileURL.toURI();
File file = new File(fileURI);
// Use filesystem to resolve any sym links or dots in the path to
// a singular unique file path
File canonicalFile = file.getCanonicalFile();
return canonicalFile.toURI().toString();
}
Example 2
| Source File: Misc.java From codebuff with BSD 2-Clause "Simplified" License | 5 votes |
|
public static boolean urlExists(URL url) {
try {
URLConnection connection = url.openConnection();
if ( connection instanceof JarURLConnection ) {
JarURLConnection jarURLConnection = (JarURLConnection)connection;
URLClassLoader urlClassLoader = new URLClassLoader(new URL[]{
jarURLConnection.getJarFileURL()
});
try {
return urlClassLoader.findResource(jarURLConnection.getEntryName())!=null;
}
finally {
if ( urlClassLoader instanceof Closeable ) {
((Closeable)urlClassLoader).close();
}
}
}
InputStream is = null;
try {
is = url.openStream();
}
finally {
if ( is!=null ) {
is.close();
}
}
return is!=null;
}
catch (IOException ioe) {
return false;
}
}
Example 3
| Source File: UrlJar.java From Tomcat8-Source-Read with MIT License | 5 votes |
|
@Override
protected NonClosingJarInputStream createJarInputStream() throws IOException {
JarURLConnection jarConn = (JarURLConnection) getJarFileURL().openConnection();
URL resourceURL = jarConn.getJarFileURL();
URLConnection resourceConn = resourceURL.openConnection();
resourceConn.setUseCaches(false);
return new NonClosingJarInputStream(resourceConn.getInputStream());
}
Example 4
| Source File: Misc.java From codebuff with BSD 2-Clause "Simplified" License | 5 votes |
|
public static boolean urlExists(URL url) {
try {
URLConnection connection = url.openConnection();
if ( connection instanceof JarURLConnection ) {
JarURLConnection jarURLConnection = (JarURLConnection)connection;
URLClassLoader urlClassLoader = new URLClassLoader(new URL[] {
jarURLConnection.getJarFileURL()});
try {
return urlClassLoader.findResource(jarURLConnection.getEntryName())!=null;
}
finally {
if ( urlClassLoader instanceof Closeable ) {
((Closeable)urlClassLoader).close();
}
}
}
InputStream is = null;
try {
is = url.openStream();
}
finally {
if ( is!=null ) {
is.close();
}
}
return is!=null;
}
catch (IOException ioe) {
return false;
}
}
Example 5
| Source File: Misc.java From codebuff with BSD 2-Clause "Simplified" License | 5 votes |
|
public static boolean urlExists(URL url) {
try {
URLConnection connection = url.openConnection();
if ( connection instanceof JarURLConnection ) {
JarURLConnection jarURLConnection = (JarURLConnection)connection;
URLClassLoader urlClassLoader = new URLClassLoader(new URL[] {
jarURLConnection.getJarFileURL()});
try {
return urlClassLoader.findResource(jarURLConnection.getEntryName())!=null;
}
finally {
if ( urlClassLoader instanceof Closeable ) {
((Closeable)urlClassLoader).close();
}
}
}
InputStream is = null;
try {
is = url.openStream();
}
finally {
if ( is!=null ) {
is.close();
}
}
return is!=null;
}
catch (IOException ioe) {
return false;
}
}
Example 6
| Source File: Misc.java From codebuff with BSD 2-Clause "Simplified" License | 5 votes |
|
public static boolean urlExists(URL url) {
try {
URLConnection connection = url.openConnection();
if ( connection instanceof JarURLConnection ) {
JarURLConnection jarURLConnection = (JarURLConnection)connection;
URLClassLoader urlClassLoader = new URLClassLoader(new URL[]{
jarURLConnection.getJarFileURL()
});
try {
return urlClassLoader.findResource(jarURLConnection.getEntryName())!=null;
}
finally {
if ( urlClassLoader instanceof Closeable ) {
((Closeable)urlClassLoader).close();
}
}
}
InputStream is = null;
try {
is = url.openStream();
}
finally {
if ( is!=null ) {
is.close();
}
}
return is!=null;
}
catch (IOException ioe) {
return false;
}
}
Example 7
| Source File: Misc.java From codebuff with BSD 2-Clause "Simplified" License | 5 votes |
|
public static boolean urlExists(URL url) {
try {
URLConnection connection = url.openConnection();
if ( connection instanceof JarURLConnection ) {
JarURLConnection jarURLConnection = (JarURLConnection)connection;
URLClassLoader urlClassLoader = new URLClassLoader(new URL[]{
jarURLConnection.getJarFileURL()
});
try {
return urlClassLoader.findResource(jarURLConnection.getEntryName())!=null;
}
finally {
if ( urlClassLoader instanceof Closeable ) {
((Closeable)urlClassLoader).close();
}
}
}
InputStream is = null;
try {
is = url.openStream();
}
finally {
if ( is!=null ) {
is.close();
}
}
return is!=null;
}
catch (IOException ioe) {
return false;
}
}
Example 8
| Source File: Misc.java From codebuff with BSD 2-Clause "Simplified" License | 5 votes |
|
public static boolean urlExists(URL url) {
try {
URLConnection connection = url.openConnection();
if ( connection instanceof JarURLConnection ) {
JarURLConnection jarURLConnection = (JarURLConnection)connection;
URLClassLoader urlClassLoader = new URLClassLoader(new URL[] {
jarURLConnection.getJarFileURL()
});
try { return urlClassLoader.findResource(jarURLConnection.getEntryName())!=null; }
finally {
if ( urlClassLoader instanceof Closeable ) {
((Closeable)urlClassLoader).close();
}
}
}
InputStream is = null;
try {
is = url.openStream();
}
finally {
if ( is!=null ) {
is.close();
}
}
return is!=null;
}
catch (IOException ioe) { return false; }
}
Example 9
| Source File: Misc.java From codebuff with BSD 2-Clause "Simplified" License | 5 votes |
|
public static boolean urlExists(URL url) {
try {
URLConnection connection = url.openConnection();
if ( connection instanceof JarURLConnection ) {
JarURLConnection jarURLConnection = (JarURLConnection)connection;
URLClassLoader urlClassLoader = new URLClassLoader(new URL[] {
jarURLConnection.getJarFileURL()});
try { return urlClassLoader.findResource(jarURLConnection.getEntryName())!=null;
}
finally {
if ( urlClassLoader instanceof Closeable ) {
((Closeable)urlClassLoader).close();
}
}
}
InputStream is = null;
try {
is = url.openStream();
}
finally {
if ( is!=null ) {
is.close();
}
}
return is!=null;
}
catch (IOException ioe) { return false;
}
}
Example 10
| Source File: Misc.java From codebuff with BSD 2-Clause "Simplified" License | 5 votes |
|
public static boolean urlExists(URL url) {
try {
URLConnection connection = url.openConnection();
if ( connection instanceof JarURLConnection ) {
JarURLConnection jarURLConnection = (JarURLConnection)connection;
URLClassLoader urlClassLoader = new URLClassLoader(new URL[] {
jarURLConnection.getJarFileURL()
});
try { return urlClassLoader.findResource(jarURLConnection.getEntryName())!=null; }
finally {
if ( urlClassLoader instanceof Closeable ) {
((Closeable)urlClassLoader).close();
}
}
}
InputStream is = null;
try {
is = url.openStream();
}
finally {
if ( is!=null ) {
is.close();
}
}
return is!=null;
}
catch (IOException ioe) { return false; }
}
Example 11
| Source File: Misc.java From codebuff with BSD 2-Clause "Simplified" License | 5 votes |
|
public static boolean urlExists(URL url) {
try {
URLConnection connection = url.openConnection();
if ( connection instanceof JarURLConnection ) {
JarURLConnection jarURLConnection = (JarURLConnection)connection;
URLClassLoader urlClassLoader = new URLClassLoader(new URL[] {
jarURLConnection.getJarFileURL()
});
try { return urlClassLoader.findResource(jarURLConnection.getEntryName())!=null; }
finally {
if ( urlClassLoader instanceof Closeable ) {
((Closeable)urlClassLoader).close();
}
}
}
InputStream is = null;
try {
is = url.openStream();
}
finally {
if ( is!=null ) {
is.close();
}
}
return is!=null;
}
catch (IOException ioe) { return false; }
}
Example 12
| Source File: Misc.java From codebuff with BSD 2-Clause "Simplified" License | 5 votes |
|
public static boolean urlExists(URL url) {
try {
URLConnection connection = url.openConnection();
if ( connection instanceof JarURLConnection ) {
JarURLConnection jarURLConnection = (JarURLConnection)connection;
URLClassLoader urlClassLoader = new URLClassLoader(new URL[] {
jarURLConnection.getJarFileURL()
});
try { return urlClassLoader.findResource(jarURLConnection.getEntryName())!=null; }
finally {
if ( urlClassLoader instanceof Closeable ) {
((Closeable)urlClassLoader).close();
}
}
}
InputStream is = null;
try {
is = url.openStream();
}
finally {
if ( is!=null ) {
is.close();
}
}
return is!=null;
}
catch (IOException ioe) { return false; }
}
Example 13
| Source File: TruffleJMX.java From visualvm with GNU General Public License v2.0 | 5 votes |
|
private static URL getJarURL() throws IOException {
URL classUrl = ClassLoader.getSystemResource("org/graalvm/visualvm/sampler/truffle/stagent/Truffle.class");
JarURLConnection connection = (JarURLConnection) classUrl.openConnection();
if (DEBUG) System.out.println("URL "+classUrl);
if (DEBUG) System.out.println("URL "+connection.getJarFileURL());
return connection.getJarFileURL();
}
Example 14
| Source File: AnalysisRunner.java From spotbugs with GNU Lesser General Public License v2.1 | 5 votes |
|
/**
* Create a jar file which contains all resource files. This is necessary to
* let {@link Plugin#loadCustomPlugin(File, Project)} load custom plugin to
* test.
*
* @return a {@link File} instance which represent generated jar file
* @throws IOException
* @throws URISyntaxException
*/
private static File createTempJar() throws IOException, URISyntaxException {
ClassLoader cl = AnalysisRunner.class.getClassLoader();
URL resource = cl.getResource("findbugs.xml");
URI uri = resource.toURI();
if ("jar".equals(uri.getScheme())) {
JarURLConnection connection = (JarURLConnection) resource.openConnection();
URL url = connection.getJarFileURL();
return new File(url.toURI());
}
Path tempJar = File.createTempFile("SpotBugsAnalysisRunner", ".jar").toPath();
try (OutputStream output = Files.newOutputStream(tempJar, StandardOpenOption.WRITE);
JarOutputStream jar = new JarOutputStream(output)) {
Path resourceRoot = Paths.get(uri).getParent();
byte[] data = new byte[4 * 1024];
Files.walkFileTree(resourceRoot, new SimpleFileVisitor<Path>() {
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
String name = resourceRoot.relativize(file).toString();
jar.putNextEntry(new ZipEntry(name));
try (InputStream input = Files.newInputStream(file, StandardOpenOption.READ)) {
int len;
while ((len = input.read(data)) > 0) {
jar.write(data, 0, len);
}
}
return FileVisitResult.CONTINUE;
}
});
}
return tempJar.toFile();
}
Example 15
| Source File: ContextConfig.java From Tomcat7.0.67 with Apache License 2.0 | 5 votes |
|
@Override
public void scan(JarURLConnection jarConn) throws IOException {
URL url = jarConn.getURL();
URL resourceURL = jarConn.getJarFileURL();
Jar jar = null;
InputStream is = null;
WebXml fragment = new WebXml();
try {
jar = JarFactory.newInstance(url);
if (parseRequired || context.getXmlValidation()) {
is = jar.getInputStream(FRAGMENT_LOCATION);
}
if (is == null) {
// If there is no web-fragment.xml to process there is no
// impact on distributable
fragment.setDistributable(true);
} else {
InputSource source = new InputSource(
"jar:" + resourceURL.toString() + "!/" +
FRAGMENT_LOCATION);
source.setByteStream(is);
parseWebXml(source, fragment, true);
}
} finally {
if (jar != null) {
jar.close();
}
fragment.setURL(url);
if (fragment.getName() == null) {
fragment.setName(fragment.getURL().toString());
}
fragment.setJarName(extractJarFileName(url));
fragments.put(fragment.getName(), fragment);
}
}
Example 16
| Source File: DynamicCompileEngine.java From redtorch with MIT License | 5 votes |
|
private void buildClassPath() throws IOException {
this.classpath = null;
if (this.parentClassLoader instanceof URLClassLoader) {
ClassLoader cl = parentClassLoader;
List<String> paths = new ArrayList<String>();
while (cl instanceof URLClassLoader) {
for (URL url : ((URLClassLoader) cl).getURLs()) {
if (url.openConnection() instanceof JarURLConnection) {
// extract the file URL from the jar URL
JarURLConnection connection = (JarURLConnection) url.openConnection();
url = connection.getJarFileURL();
}
String decodedPath = URLDecoder.decode(url.getPath(), "UTF-8");
paths.add(new File(decodedPath).getAbsolutePath());
}
cl = cl.getParent();
}
StringBuilder sb = new StringBuilder();
for (String path : paths) {
if(StringUtils.isNoneBlank(path)) {
sb.append(path).append(File.pathSeparator);
}
}
this.classpath = sb.toString();
} else {
this.classpath = System.getProperty("java.class.path");
}
}
Example 17
| Source File: PluginClassLoader.java From Kettle with GNU General Public License v3.0 | 5 votes |
|
private Class<?> remappedFindClass(String name) throws ClassNotFoundException {
Class<?> result = null;
try {
String path = name.replace('.', '/').concat(".class");
URL url = this.findResource(path);
if (url != null) {
InputStream stream = url.openStream();
if (stream != null) {
byte[] bytecode;
bytecode = remapper.remapClassFile(stream, RuntimeRepo.getInstance());
bytecode = Transformer.transform(bytecode);
JarURLConnection jarURLConnection = (JarURLConnection) url.openConnection();
URL jarURL = jarURLConnection.getJarFileURL();
CodeSource codeSource = new CodeSource(jarURL, new CodeSigner[0]);
result = this.defineClass(name, bytecode, 0, bytecode.length, codeSource);
if (result != null) {
this.resolveClass(result);
}
}
}
} catch (Throwable t) {
throw new ClassNotFoundException("Failed to remap class " + name, t);
}
return result;
}
Example 18
| Source File: WarpScriptMacroLibrary.java From warp10-platform with Apache License 2.0 | 4 votes |
|
public static Macro find(String name) throws WarpScriptException {
// Reject names with relative path components in them or starting with '/'
if (name.contains("/../") || name.contains("/./") || name.startsWith("../") || name.startsWith("./") || name.startsWith("/")) {
return null;
}
Macro macro = (Macro) macros.get(name);
//
// The macro is not (yet) known, we will attempt to load it from the
// classpath
//
if (null == macro || macro.isExpired()) {
String rsc = name + WarpScriptMacroRepository.WARPSCRIPT_FILE_EXTENSION;
URL url = WarpScriptMacroLibrary.class.getClassLoader().getResource(rsc);
if (null != url) {
try {
URLConnection conn = url.openConnection();
if (conn instanceof JarURLConnection) {
//
// This case is when the requested macro is in a jar
//
final JarURLConnection connection = (JarURLConnection) url.openConnection();
final URL fileurl = connection.getJarFileURL();
File f = new File(fileurl.toURI());
addJar(f.getAbsolutePath(), rsc);
macro = (Macro) macros.get(name);
} else if (conn instanceof FileURLConnection) {
//
// This case is when the requested macro is in the classpath but not in a jar.
// In this case we do not cache the parsed macro, allowing for dynamic modification.
//
String urlstr = url.toString();
File root = new File(urlstr.substring(0, urlstr.length() - name.length() - WarpScriptMacroRepository.WARPSCRIPT_FILE_EXTENSION.length()));
macro = loadMacro(root, conn.getInputStream(), name);
}
} catch (URISyntaxException use) {
throw new WarpScriptException("Error while loading '" + name + "'", use);
} catch (IOException ioe) {
throw new WarpScriptException("Error while loading '" + name + "'", ioe);
}
}
}
return macro;
}
Example 19
| Source File: TldLocationsCache.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
private void tldScanJar(JarURLConnection jarConn) throws IOException {
Jar jar = null;
InputStream is;
boolean foundTld = false;
URL resourceURL = jarConn.getJarFileURL();
String resourcePath = resourceURL.toString();
try {
jar = JarFactory.newInstance(jarConn.getURL());
jar.nextEntry();
String entryName = jar.getEntryName();
while (entryName != null) {
if (entryName.startsWith("META-INF/") &&
entryName.endsWith(".tld")) {
is = null;
try {
is = jar.getEntryInputStream();
foundTld = true;
tldScanStream(resourcePath, entryName, is);
} finally {
if (is != null) {
try {
is.close();
} catch (IOException ioe) {
// Ignore
}
}
}
}
jar.nextEntry();
entryName = jar.getEntryName();
}
} finally {
if (jar != null) {
jar.close();
}
}
if (!foundTld) {
if (log.isDebugEnabled()) {
log.debug(Localizer.getMessage("jsp.tldCache.noTldInJar",
resourcePath));
} else if (showTldScanWarning) {
// Not entirely thread-safe but a few duplicate log messages are
// not a huge issue
showTldScanWarning = false;
log.info(Localizer.getMessage("jsp.tldCache.noTldSummary"));
}
}
}
Example 20
| Source File: TldLocationsCache.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
|
private void tldScanJar(JarURLConnection jarConn) throws IOException {
Jar jar = null;
InputStream is;
boolean foundTld = false;
URL resourceURL = jarConn.getJarFileURL();
String resourcePath = resourceURL.toString();
try {
jar = JarFactory.newInstance(jarConn.getURL());
jar.nextEntry();
String entryName = jar.getEntryName();
while (entryName != null) {
if (entryName.startsWith("META-INF/") &&
entryName.endsWith(".tld")) {
is = null;
try {
is = jar.getEntryInputStream();
foundTld = true;
tldScanStream(resourcePath, entryName, is);
} finally {
if (is != null) {
try {
is.close();
} catch (IOException ioe) {
// Ignore
}
}
}
}
jar.nextEntry();
entryName = jar.getEntryName();
}
} finally {
if (jar != null) {
jar.close();
}
}
if (!foundTld) {
if (log.isDebugEnabled()) {
log.debug(Localizer.getMessage("jsp.tldCache.noTldInJar",
resourcePath));
} else if (showTldScanWarning) {
// Not entirely thread-safe but a few duplicate log messages are
// not a huge issue
showTldScanWarning = false;
log.info(Localizer.getMessage("jsp.tldCache.noTldSummary"));
}
}
}
