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/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.core.tests.util;
import java.lang.reflect.*;
import java.io.*;
import java.net.*;
import java.util.*;
/******************************************************
*
* IMPORTANT NOTE: If modifying this class, copy the source to TestVerifier#getVerifyTestsCode()
* (see this method for details)
*
******************************************************/
public class VerifyTests {
int portNumber;
Socket socket;
/**
* NOTE: Code copied from junit.util.TestCaseClassLoader.
*
* A custom class loader which enables the reloading
* of classes for each test run. The class loader
* can be configured with a list of package paths that
* should be excluded from loading. The loading
* of these packages is delegated to the system class
* loader. They will be shared across test runs.
* <p>
* The list of excluded package paths is specified in
* a properties file "excluded.properties" that is located in
* the same place as the TestCaseClassLoader class.
* <p>
* <b>Known limitation:</b> the VerifyClassLoader cannot load classes
* from jar files.
*/
public class VerifyClassLoader extends ClassLoader {
/** scanned class path */
private String[] fPathItems;
/** excluded paths */
private String[] fExcluded= {};
/**
* Constructs a VerifyClassLoader. It scans the class path
* and the excluded package paths
*/
public VerifyClassLoader() {
super();
String classPath= System.getProperty("java.class.path");
String separator= System.getProperty("path.separator");
// first pass: count elements
StringTokenizer st= new StringTokenizer(classPath, separator);
int i= 0;
while (st.hasMoreTokens()) {
st.nextToken();
i++;
}
// second pass: split
fPathItems= new String[i];
st= new StringTokenizer(classPath, separator);
i= 0;
while (st.hasMoreTokens()) {
fPathItems[i++]= st.nextToken();
}
}
public java.net.URL getResource(String name) {
return ClassLoader.getSystemResource(name);
}
public InputStream getResourceAsStream(String name) {
return ClassLoader.getSystemResourceAsStream(name);
}
protected boolean isExcluded(String name) {
// exclude the "java" packages.
// They always need to be excluded so that they are loaded by the system class loader
if (name.startsWith("java"))
return true;
// exclude the user defined package paths
for (int i= 0; i < fExcluded.length; i++) {
if (name.startsWith(fExcluded[i])) {
return true;
}
}
return false;
}
public synchronized Class loadClass(String name, boolean resolve)
throws ClassNotFoundException {
Class c= findLoadedClass(name);
if (c != null)
return c;
//
// Delegate the loading of excluded classes to the
// standard class loader.
//
if (isExcluded(name)) {
try {
c= findSystemClass(name);
return c;
} catch (ClassNotFoundException e) {
// keep searching
}
}
File file= locate(name);
if (file == null)
throw new ClassNotFoundException();
byte data[]= loadClassData(file);
c= defineClass(name, data, 0, data.length);
if (resolve)
resolveClass(c);
return c;
}
private byte[] loadClassData(File f) throws ClassNotFoundException {
try {
//System.out.println("loading: "+f.getPath());
FileInputStream stream= new FileInputStream(f);
try {
byte[] b= new byte[stream.available()];
stream.read(b);
stream.close();
return b;
}
catch (IOException e) {
throw new ClassNotFoundException();
}
}
catch (FileNotFoundException e) {
throw new ClassNotFoundException();
}
}
/**
* Locate the given file.
* @return Returns null if file couldn't be found.
*/
private File locate(String fileName) {
fileName= fileName.replace('.', '/')+".class";
File path= null;
if (fileName != null) {
for (int i= 0; i < fPathItems.length; i++) {
path= new File(fPathItems[i], fileName);
if (path.exists())
return path;
}
}
return null;
}
}
public void loadAndRun(String className) throws Throwable {
//System.out.println("Loading " + className + "...");
Class testClass = new VerifyClassLoader().loadClass(className);
//System.out.println("Loaded " + className);
try {
Method main = testClass.getMethod("main", new Class[] {String[].class});
//System.out.println("Running " + className);
main.invoke(null, new Object[] {new String[] {}});
//System.out.println("Finished running " + className);
} catch (NoSuchMethodException e) {
return;
} catch (InvocationTargetException e) {
throw e.getTargetException();
}
}
public static void main(String[] args) throws IOException {
VerifyTests verify = new VerifyTests();
verify.portNumber = Integer.parseInt(args[0]);
verify.run();
}
public void run() throws IOException {
ServerSocket server = new ServerSocket(this.portNumber);
this.socket = server.accept();
this.socket.setTcpNoDelay(true);
server.close();
DataInputStream in = new DataInputStream(this.socket.getInputStream());
final DataOutputStream out = new DataOutputStream(this.socket.getOutputStream());
while (true) {
final String className = in.readUTF();
Thread thread = new Thread() {
public void run() {
try {
loadAndRun(className);
out.writeBoolean(true);
System.err.println(VerifyTests.class.getName());
System.out.println(VerifyTests.class.getName());
} catch (Throwable e) {
e.printStackTrace();
try {
System.err.println(VerifyTests.class.getName());
System.out.println(VerifyTests.class.getName());
out.writeBoolean(false);
} catch (IOException e1) {
// ignore
}
}
}
};
thread.start();
}
}
}
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