List of usage examples for java.lang ClassNotFoundException ClassNotFoundException
public ClassNotFoundException(String s)
ClassNotFoundException with the specified detail message. From source file:plugspud.PluginManager.java
/** * Load a class and instantiate that is accessable by the specified plugins * class loader./*ww w. j a va 2s. c o m*/ * * @param plugin * plugin name * @param className * class name to load * @return class * @throws ClassNotFoundException * if class cannot be loaded */ public Class loadClass(String plugin, String className) throws ClassNotFoundException { Plugin p = getPlugin(plugin); if (p == null) { throw new ClassNotFoundException("The plugin " + plugin + " could not be located."); } return p.getClass().getClassLoader().loadClass(className); }
From source file:ar.com.fluxit.jqa.bce.bcel.BCERepositoryImpl.java
@Override public Type lookupType(Class<?> clazz) throws ClassNotFoundException { // TODO cache final org.apache.bcel.classfile.JavaClass lookupClass = org.apache.bcel.Repository.lookupClass(clazz); if (lookupClass == null) { throw new ClassNotFoundException("Class not found: " + clazz.getName()); } else {/*from ww w. j a va2s . c om*/ return BcelJavaType.create(lookupClass); } }
From source file:dalma.container.ClassLoaderImpl.java
/** * Finds a class on the given classpath. * * @param name The name of the class to be loaded. Must not be * <code>null</code>. * * @return the required Class object//from w w w . j a v a 2s . c o m * * @exception ClassNotFoundException if the requested class does not exist * on this loader's classpath. */ private Class findClassInComponents(String name) throws ClassNotFoundException { // we need to search the components of the path to see if // we can find the class we want. InputStream stream = null; String classFilename = getClassFilename(name); try { Enumeration e = pathComponents.elements(); while (e.hasMoreElements()) { File pathComponent = (File) e.nextElement(); try { stream = getResourceStream(pathComponent, classFilename); if (stream != null) { logger.finer("Loaded from " + pathComponent + " " + classFilename); return getClassFromStream(stream, name, pathComponent); } } catch (SecurityException se) { throw se; } catch (IOException ioe) { // ioe.printStackTrace(); logger.fine( "Exception reading component " + pathComponent + " (reason: " + ioe.getMessage() + ")"); } } throw new ClassNotFoundException(name); } finally { try { if (stream != null) { stream.close(); } } catch (IOException e) { //ignore } } }
From source file:org.atricore.idbus.kernel.main.databinding.JAXBUtils.java
private static ArrayList<Class> getClassesFromDirectory(String pkg, ClassLoader cl) throws ClassNotFoundException { // This will hold a list of directories matching the pckgname. There may be more than one if a package is split over multiple jars/paths String pckgname = pkg;//from w w w .ja va2 s.co m ArrayList<File> directories = new ArrayList<File>(); try { String path = pckgname.replace('.', '/'); // Ask for all resources for the path Enumeration<URL> resources = cl.getResources(path); while (resources.hasMoreElements()) { directories.add(new File(URLDecoder.decode(resources.nextElement().getPath(), "UTF-8"))); } } catch (UnsupportedEncodingException e) { if (log.isDebugEnabled()) { log.debug(pckgname + " does not appear to be a valid package (Unsupported encoding)"); } throw new ClassNotFoundException( pckgname + " might not be a valid package because the encoding is unsupported."); } catch (IOException e) { if (log.isDebugEnabled()) { log.debug("IOException was thrown when trying to get all resources for " + pckgname); } throw new ClassNotFoundException( "An IOException error was thrown when trying to get all of the resources for " + pckgname); } ArrayList<Class> classes = new ArrayList<Class>(); // For every directory identified capture all the .class files for (File directory : directories) { if (log.isDebugEnabled()) { log.debug(" Adding JAXB classes from directory: " + directory.getName()); } if (directory.exists()) { // Get the list of the files contained in the package String[] files = directory.list(); for (String file : files) { // we are only interested in .class files if (file.endsWith(".class")) { // removes the .class extension // TODO Java2 Sec String className = pckgname + '.' + file.substring(0, file.length() - 6); try { Class clazz = forName(className, false, getContextClassLoader()); // Don't add any interfaces or JAXWS specific classes. // Only classes that represent data and can be marshalled // by JAXB should be added. if (!clazz.isInterface() && (clazz.isEnum() || getAnnotation(clazz, XmlType.class) != null || ClassUtils.getDefaultPublicConstructor(clazz) != null) && !ClassUtils.isJAXWSClass(clazz) && !isSkipClass(clazz) && !Exception.class.isAssignableFrom(clazz)) { // Ensure that all the referenced classes are loadable too clazz.getDeclaredMethods(); clazz.getDeclaredFields(); if (log.isDebugEnabled()) { log.debug("Adding class: " + file); } classes.add(clazz); // REVIEW: // Support of RPC list (and possibly other scenarios) requires that the array classes should also be present. // This is a hack until we can determine how to get this information. // The arrayName and loadable name are different. Get the loadable // name, load the array class, and add it to our list //className += "[]"; //String loadableName = ClassUtils.getLoadableClassName(className); //Class aClazz = Class.forName(loadableName, false, Thread.currentThread().getContextClassLoader()); } //Catch Throwable as ClassLoader can throw an NoClassDefFoundError that //does not extend Exception } catch (Throwable e) { if (log.isDebugEnabled()) { log.debug("Tried to load class " + className + " while constructing a JAXBContext. This class will be skipped. Processing Continues."); log.debug(" The reason that class could not be loaded:" + e.toString()); log.trace(JavaUtils.stackToString(e)); } } } } } } return classes; }
From source file:org.apache.axis2.jaxws.message.databinding.JAXBUtils.java
private static ArrayList<Class> getClassesFromDirectory(String pkg, ClassLoader cl) throws ClassNotFoundException { // This will hold a list of directories matching the pckgname. There may be more than one if a package is split over multiple jars/paths String pckgname = pkg;/*from w ww. j a va 2s. com*/ ArrayList<File> directories = new ArrayList<File>(); try { String path = pckgname.replace('.', '/'); // Ask for all resources for the path Enumeration<URL> resources = cl.getResources(path); while (resources.hasMoreElements()) { directories.add(new File(URLDecoder.decode(resources.nextElement().getPath(), "UTF-8"))); } } catch (UnsupportedEncodingException e) { if (log.isDebugEnabled()) { log.debug(pckgname + " does not appear to be a valid package (Unsupported encoding)"); } throw new ClassNotFoundException(Messages.getMessage("ClassUtilsErr2", pckgname)); } catch (IOException e) { if (log.isDebugEnabled()) { log.debug("IOException was thrown when trying to get all resources for " + pckgname); } throw new ClassNotFoundException(Messages.getMessage("ClassUtilsErr3", pckgname)); } ArrayList<Class> classes = new ArrayList<Class>(); // For every directory identified capture all the .class files for (File directory : directories) { if (log.isDebugEnabled()) { log.debug(" Adding JAXB classes from directory: " + directory.getName()); } if (directory.exists()) { // Get the list of the files contained in the package String[] files = directory.list(); for (String file : files) { // we are only interested in .class files if (file.endsWith(".class")) { // removes the .class extension // TODO Java2 Sec String className = pckgname + '.' + file.substring(0, file.length() - 6); try { Class clazz = forName(className, false, getContextClassLoader()); // Don't add any interfaces or JAXWS specific classes. // Only classes that represent data and can be marshalled // by JAXB should be added. if (!clazz.isInterface() && (clazz.isEnum() || getAnnotation(clazz, XmlType.class) != null || ClassUtils.getDefaultPublicConstructor(clazz) != null) && !ClassUtils.isJAXWSClass(clazz) && !isSkipClass(clazz) && !java.lang.Exception.class.isAssignableFrom(clazz)) { // Ensure that all the referenced classes are loadable too clazz.getDeclaredMethods(); clazz.getDeclaredFields(); if (log.isDebugEnabled()) { log.debug("Adding class: " + file); } classes.add(clazz); // REVIEW: // Support of RPC list (and possibly other scenarios) requires that the array classes should also be present. // This is a hack until we can determine how to get this information. // The arrayName and loadable name are different. Get the loadable // name, load the array class, and add it to our list //className += "[]"; //String loadableName = ClassUtils.getLoadableClassName(className); //Class aClazz = Class.forName(loadableName, false, Thread.currentThread().getContextClassLoader()); } //Catch Throwable as ClassLoader can throw an NoClassDefFoundError that //does not extend Exception } catch (Throwable e) { if (log.isDebugEnabled()) { log.debug("Tried to load class " + className + " while constructing a JAXBContext. This class will be skipped. Processing Continues."); log.debug(" The reason that class could not be loaded:" + e.toString()); log.trace(JavaUtils.stackToString(e)); } } } } } } return classes; }
From source file:org.apache.axis2.client.Options.java
/** * Restore the contents of the MessageContext that was * previously saved.// w w w .j a v a 2s . c o m * <p/> * NOTE: The field data must read back in the same order and type * as it was written. Some data will need to be validated when * resurrected. * * @param in The stream to read the object contents from * @throws IOException * @throws ClassNotFoundException */ public void readExternal(ObjectInput inObject) throws IOException, ClassNotFoundException { SafeObjectInputStream in = SafeObjectInputStream.install(inObject); // serialization version ID long suid = in.readLong(); // revision ID int revID = in.readInt(); // make sure the object data is in a version we can handle if (suid != serialVersionUID) { throw new ClassNotFoundException(ExternalizeConstants.UNSUPPORTED_SUID); } // make sure the object data is in a revision level we can handle if (revID != REVISION_2) { throw new ClassNotFoundException(ExternalizeConstants.UNSUPPORTED_REVID); } //--------------------------------------------------------- // various simple fields //--------------------------------------------------------- timeOutInMilliSeconds = in.readLong(); manageSession = in.readBoolean(); isExceptionToBeThrownOnSOAPFault = (Boolean) in.readObject(); useSeparateListener = (Boolean) in.readObject(); //--------------------------------------------------------- // various strings //--------------------------------------------------------- // String soapVersionURI soapVersionURI = (String) in.readObject(); // String action action = (String) in.readObject(); // String transportInProtocol transportInProtocol = (String) in.readObject(); // String messageId messageId = (String) in.readObject(); // String object id logCorrelationIDString = (String) in.readObject(); // trace point if (log.isTraceEnabled()) { log.trace(myClassName + ":readExternal(): reading the input stream for [" + logCorrelationIDString + "]"); } //--------------------------------------------------------- // various objects //--------------------------------------------------------- // EndpointReference faultTo faultTo = (EndpointReference) in.readObject(); // EndpointReference from from = (EndpointReference) in.readObject(); // EndpointReference replyTo replyTo = (EndpointReference) in.readObject(); // EndpointReference to to = (EndpointReference) in.readObject(); // TransportListener listener // is not usable until the meta data has been reconciled listener = null; metaListener = (MetaDataEntry) in.readObject(); // TransportInDescription transportIn // is not usable until the meta data has been reconciled transportIn = null; metaTransportIn = (MetaDataEntry) in.readObject(); // TransportOutDescription transportOut // is not usable until the meta data has been reconciled transportOut = null; metaTransportOut = (MetaDataEntry) in.readObject(); //--------------------------------------------------------- // collections and lists //--------------------------------------------------------- // List relationships, which is an array of RelatesTo objects relationships = in.readArrayList(); // ArrayList referenceParameters referenceParameters = in.readArrayList(); //--------------------------------------------------------- // properties //--------------------------------------------------------- // HashMap properties properties = in.readHashMap(); //--------------------------------------------------------- // "nested" //--------------------------------------------------------- // Options parent in.readUTF(); // read marker parent = (Options) in.readObject(); }
From source file:co.cask.cdap.common.conf.Configuration.java
/** * Load a class by name./* ww w. jav a 2s .c om*/ * * @param name the class name. * @return the class object. * @throws ClassNotFoundException if the class is not found. */ public Class<?> getClassByName(String name) throws ClassNotFoundException { Class<?> ret = getClassByNameOrNull(name); if (ret == null) { throw new ClassNotFoundException("Class " + name + " not found"); } return ret; }
From source file:org.apache.catalina.loader.WebappClassLoader.java
/** * Find specified class in local repositories. * * @return the loaded class, or null if the class isn't found */// w w w .j ava 2 s. com protected Class findClassInternal(String name) throws ClassNotFoundException { if (!validate(name)) throw new ClassNotFoundException(name); String tempPath = name.replace('.', '/'); String classPath = tempPath + ".class"; ResourceEntry entry = null; entry = findResourceInternal(name, classPath); if ((entry == null) || (entry.binaryContent == null)) throw new ClassNotFoundException(name); Class clazz = entry.loadedClass; if (clazz != null) return clazz; // Looking up the package String packageName = null; int pos = name.lastIndexOf('.'); if (pos != -1) packageName = name.substring(0, pos); Package pkg = null; if (packageName != null) { pkg = getPackage(packageName); // Define the package (if null) if (pkg == null) { if (entry.manifest == null) { definePackage(packageName, null, null, null, null, null, null, null); } else { definePackage(packageName, entry.manifest, entry.codeBase); } } } // Create the code source object CodeSource codeSource = new CodeSource(entry.codeBase, entry.certificates); if (securityManager != null) { // Checking sealing if (pkg != null) { boolean sealCheck = true; if (pkg.isSealed()) { sealCheck = pkg.isSealed(entry.codeBase); } else { sealCheck = (entry.manifest == null) || !isPackageSealed(packageName, entry.manifest); } if (!sealCheck) throw new SecurityException( "Sealing violation loading " + name + " : Package " + packageName + " is sealed."); } } if (entry.loadedClass == null) { synchronized (this) { if (entry.loadedClass == null) { clazz = defineClass(name, entry.binaryContent, 0, entry.binaryContent.length, codeSource); entry.loadedClass = clazz; entry.binaryContent = null; entry.source = null; entry.codeBase = null; entry.manifest = null; entry.certificates = null; } else { clazz = entry.loadedClass; } } } else { clazz = entry.loadedClass; } return clazz; }
From source file:org.wso2.carbon.context.internal.CarbonContextDataHolder.java
private static Class<?> classForName(final String className) throws ClassNotFoundException { Class<?> cls = AccessController.doPrivileged(new PrivilegedAction<Class<?>>() { public Class<?> run() { // try thread context class loader first try { return Class.forName(className, true, Thread.currentThread().getContextClassLoader()); } catch (ClassNotFoundException ignored) { if (log.isDebugEnabled()) { log.debug(ignored);//w ww . j a v a 2 s. co m } } // try system class loader second try { return Class.forName(className, true, ClassLoader.getSystemClassLoader()); } catch (ClassNotFoundException ignored) { if (log.isDebugEnabled()) { log.debug(ignored); } } // return null, if fail to load class return null; } }); if (cls == null) { throw new ClassNotFoundException("class " + className + " not found"); } return cls; }
From source file:com.rapidminer.tools.Tools.java
/** TODO: Looks like this can be replaced by {@link Plugin#getMajorClassLoader()} */ public static Class<?> classForName(String className) throws ClassNotFoundException { try {//from w w w . j a va2 s.c o m return Class.forName(className); } catch (ClassNotFoundException e) { } try { return ClassLoader.getSystemClassLoader().loadClass(className); } catch (ClassNotFoundException e) { } Iterator<Plugin> i = Plugin.getAllPlugins().iterator(); while (i.hasNext()) { Plugin p = i.next(); try { return p.getClassLoader().loadClass(className); } catch (ClassNotFoundException e) { // this wasn't it, so continue } } throw new ClassNotFoundException(className); }