Java Repository类代码示例

import org.apache.bcel.util.Repository; //导入依赖的package包/类
public static JavaType[] createClassSet( File classes, ClassLoader thirdPartyClasses, ClassFilter classFilter )
    throws MalformedURLException
{
    ClassLoader classLoader = new URLClassLoader( new URL[]{ classes.toURI().toURL() }, thirdPartyClasses );

    Repository repository = new ClassLoaderRepository( classLoader );

    List selected = new ArrayList();

    DirectoryScanner scanner = new DirectoryScanner();
    scanner.setBasedir( classes );
    scanner.setIncludes( new String[]{ "**/*.class" } );
    scanner.scan();

    String[] files = scanner.getIncludedFiles();

    for ( int i = 0; i < files.length; i++ )
    {
        File f = new File( classes, files[i] );
        JavaClass clazz = extractClass( f, repository );
        if ( classFilter.isSelected( clazz ) )
        {
            selected.add( new BcelJavaType( clazz ) );
            repository.storeClass( clazz );
        }
    }

    JavaType[] ret = new JavaType[selected.size()];
    selected.toArray( ret );
    return ret;
}
 

import org.apache.bcel.util.Repository; //导入依赖的package包/类
private static JavaClass extractClass( File f, Repository repository )
    throws CheckerException
{
    InputStream is = null;
    try
    {
        is = new FileInputStream( f );

        ClassParser parser = new ClassParser( is, f.getName() );
        JavaClass clazz = parser.parse();
        clazz.setRepository( repository );
        return clazz;
    }
    catch ( IOException ex )
    {
        throw new CheckerException( "Cannot read " + f, ex );
    }
    finally
    {
        IOUtil.close( is );
    }
}
 

import org.apache.bcel.util.Repository; //导入依赖的package包/类
public void storeClass(JavaClass javaClass) {
    if (DEBUG)
        System.out.println("Storing class " + javaClass.getClassName() + " in repository");
    JavaClass previous = nameToClassMap.put(javaClass.getClassName(), javaClass);
    if (DEBUG && previous != null) {
        System.out.println("\t==> A previous class was evicted!");
        dumpStack();
    }
    Repository tmp = org.apache.bcel.Repository.getRepository();
    if (tmp != null && tmp != this)
        throw new IllegalStateException("Wrong/multiple BCEL repository");
    if (tmp == null)
        org.apache.bcel.Repository.setRepository(this);
}
 

import org.apache.bcel.util.Repository; //导入依赖的package包/类
private ArrayList<String> getSuperClasses(Repository repository, JavaClass implem) {
    ArrayList<String> result = new ArrayList<String>();
    String superName = null;
    while ((superName = implem.getSuperclassName()) != null) {
        if (result.contains(superName))
            break;
        result.add(superName);
        try {
            implem = repository.loadClass(superName);
        } catch (ClassNotFoundException e) {
            implem = null;
        }
    }
    return result;
}
 

import org.apache.bcel.util.Repository; //导入依赖的package包/类
@Override
public boolean isCompatible(Repository repository, InputModel input) {
	if (input == null) {
		return false;
	}
	return input.isCompatible(repository, this);
}
 

import org.apache.bcel.util.Repository; //导入依赖的package包/类
/**
 * Initializes a new scanner.
 * 
 * @param repository
 *            the Repository to use for loading classes. Must not be <code>null</code>.
 * @param filter
 *            the filter to use. Must not be <code>null</code>.
 */
public ClassScanner(final Repository repository, final ClassFilter filter) {
	if (repository == null) {
		throw new IllegalArgumentException("repository must not be null");
	}
	if (filter == null) {
		throw new IllegalArgumentException("filter must not be null");
	}
	this.repository = repository;
	this.filter = filter;
}
 

import org.apache.bcel.util.Repository; //导入依赖的package包/类
@Override
public final void operateOn(final ClassGen classGen, final JavaClass clazz, final Repository repository) {
    System.out.println(plugin.getClass().getName() + ": Transforming type " + clazz.getClassName());
    plugin.operateOn(classGen, clazz, repository);
}
 

import org.apache.bcel.util.Repository; //导入依赖的package包/类
@Override
public final void operateOn(final ClassGen classGen, final JavaClass clazz, final Repository repository) {
    // Do nothing
}
 

import org.apache.bcel.util.Repository; //导入依赖的package包/类
public final Repository getRepository() {
	return repository;
}
 

import org.apache.bcel.util.Repository; //导入依赖的package包/类
public SynchronizedBCELRepository(final Repository realRepository) {
	this.realRepository = realRepository;
}
 

import org.apache.bcel.util.Repository; //导入依赖的package包/类
/**
 * Initializes a new FunctionBlockClass. This should normally not be called directly, instead use a
 * {@link FunctionBlockClassFactory}.
 * 
 * @param repository
 *            the Repository that should be used to load the class
 * @param className
 *            the name of the class
 * @throws ClassNotFoundException
 *             if the class is not found
 * @throws IllegalArgumentException
 *             if the class is not a {@link FunctionBlock}
 */
public FunctionBlockClass(final Repository repository, final String className) throws ClassNotFoundException {
	this.repository = repository;
	this.blockClass = repository.loadClass(className);
	if (!isFunctionBlock(blockClass)) {
		throw new IllegalArgumentException("not a FunctionBlock class: " + className);
	}
}
 

import org.apache.bcel.util.Repository; //导入依赖的package包/类
/**
 * Checks if an {@link Input} is compatible with this Output. An Input is compatible if it takes either the type
 * this Output sends or any supertype of it.
 * 
 * @param repository
 *            the Repository used for inspecting the classes
 * @param input
 *            the Input to check
 * @return true if the input is compatible
 */
boolean isCompatible(Repository repository, InputModel input);
 

import org.apache.bcel.util.Repository; //导入依赖的package包/类
/**
 * Checks if an {@link Output} is compatible with this Input. An Output is compatible if it sends the type this
 * Input takes or any subtype of it
 * 
 * @param repository
 *            the Repository used for inspecting the classes
 * @param output
 *            the Output to check
 * @return true if the output is compatible
 */
boolean isCompatible(Repository repository, OutputModel output);
 

import org.apache.bcel.util.Repository; //导入依赖的package包/类
/**
 * Initializes a new FunctionBlockClassFactory with the given Repository. This factory will only be thread-safe if
 * the Repository is not accessed at the same time as methods on this Factory are called.
 * 
 * @param repository
 *            the Repository to use for loading classes
 */
public FunctionBlockClassFactory(final Repository repository) {
	this.repository = new SynchronizedBCELRepository(repository);
}
 

import org.apache.bcel.util.Repository; //导入依赖的package包/类
void operateOn(ClassGen classGen, JavaClass clazz, Repository repository);