diff options
Diffstat (limited to 'src/junit/runner/TestCaseClassLoader.java')
| -rw-r--r-- | src/junit/runner/TestCaseClassLoader.java | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/src/junit/runner/TestCaseClassLoader.java b/src/junit/runner/TestCaseClassLoader.java deleted file mode 100644 index 09eec7f..0000000 --- a/src/junit/runner/TestCaseClassLoader.java +++ /dev/null @@ -1,225 +0,0 @@ -package junit.runner; - -import java.util.*; -import java.io.*; -import java.net.URL; -import java.util.zip.*; - -/** - * 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 TestCaseClassLoader cannot load classes - * from jar files. - * {@hide} - Not needed for 1.0 SDK - */ -public class TestCaseClassLoader extends ClassLoader { - /** scanned class path */ - private Vector fPathItems; - /** default excluded paths */ - private String[] defaultExclusions= { - "junit.framework.", - "junit.extensions.", - "junit.runner." - }; - /** name of excluded properties file */ - static final String EXCLUDED_FILE= "excluded.properties"; - /** excluded paths */ - private Vector fExcluded; - - /** - * Constructs a TestCaseLoader. It scans the class path - * and the excluded package paths - */ - public TestCaseClassLoader() { - this(System.getProperty("java.class.path")); - } - - /** - * Constructs a TestCaseLoader. It scans the class path - * and the excluded package paths - */ - public TestCaseClassLoader(String classPath) { - scanPath(classPath); - readExcludedPackages(); - } - - private void scanPath(String classPath) { - String separator= System.getProperty("path.separator"); - fPathItems= new Vector(10); - StringTokenizer st= new StringTokenizer(classPath, separator); - while (st.hasMoreTokens()) { - fPathItems.addElement(st.nextToken()); - } - } - - public URL getResource(String name) { - return ClassLoader.getSystemResource(name); - } - - public InputStream getResourceAsStream(String name) { - return ClassLoader.getSystemResourceAsStream(name); - } - - public boolean isExcluded(String name) { - for (int i= 0; i < fExcluded.size(); i++) { - if (name.startsWith((String) fExcluded.elementAt(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 - } - } - if (c == null) { - byte[] data= lookupClassData(name); - if (data == null) - throw new ClassNotFoundException(); - c= defineClass(name, data, 0, data.length); - } - if (resolve) - resolveClass(c); - return c; - } - - private byte[] lookupClassData(String className) throws ClassNotFoundException { - byte[] data= null; - for (int i= 0; i < fPathItems.size(); i++) { - String path= (String) fPathItems.elementAt(i); - String fileName= className.replace('.', '/')+".class"; - if (isJar(path)) { - data= loadJarData(path, fileName); - } else { - data= loadFileData(path, fileName); - } - if (data != null) - return data; - } - throw new ClassNotFoundException(className); - } - - boolean isJar(String pathEntry) { - return pathEntry.endsWith(".jar") || - pathEntry.endsWith(".apk") || - pathEntry.endsWith(".zip"); - } - - private byte[] loadFileData(String path, String fileName) { - File file= new File(path, fileName); - if (file.exists()) { - return getClassData(file); - } - return null; - } - - private byte[] getClassData(File f) { - try { - FileInputStream stream= new FileInputStream(f); - ByteArrayOutputStream out= new ByteArrayOutputStream(1000); - byte[] b= new byte[1000]; - int n; - while ((n= stream.read(b)) != -1) - out.write(b, 0, n); - stream.close(); - out.close(); - return out.toByteArray(); - - } catch (IOException e) { - } - return null; - } - - private byte[] loadJarData(String path, String fileName) { - ZipFile zipFile= null; - InputStream stream= null; - File archive= new File(path); - if (!archive.exists()) - return null; - try { - zipFile= new ZipFile(archive); - } catch(IOException io) { - return null; - } - ZipEntry entry= zipFile.getEntry(fileName); - if (entry == null) - return null; - int size= (int) entry.getSize(); - try { - stream= zipFile.getInputStream(entry); - byte[] data= new byte[size]; - int pos= 0; - while (pos < size) { - int n= stream.read(data, pos, data.length - pos); - pos += n; - } - zipFile.close(); - return data; - } catch (IOException e) { - } finally { - try { - if (stream != null) - stream.close(); - } catch (IOException e) { - } - } - return null; - } - - private void readExcludedPackages() { - fExcluded= new Vector(10); - for (int i= 0; i < defaultExclusions.length; i++) - fExcluded.addElement(defaultExclusions[i]); - - InputStream is= getClass().getResourceAsStream(EXCLUDED_FILE); - if (is == null) - return; - Properties p= new Properties(); - try { - p.load(is); - } - catch (IOException e) { - return; - } finally { - try { - is.close(); - } catch (IOException e) { - } - } - for (Enumeration e= p.propertyNames(); e.hasMoreElements(); ) { - String key= (String)e.nextElement(); - if (key.startsWith("excluded.")) { - String path= p.getProperty(key); - path= path.trim(); - if (path.endsWith("*")) - path= path.substring(0, path.length()-1); - if (path.length() > 0) - fExcluded.addElement(path); - } - } - } -} |