Class WebappLoader

java/org/apache/catalina/loader/WebappLoader.java:57–575

Classloader implementation which is specialized for handling web applications in the most efficient way, while being Catalina aware (all accesses to resources are made through org.apache.catalina.WebResourceRoot). This class loader supports detection of modified Java classes, which can be us

 * system class loader will be used instead.
 */
public class WebappLoader extends LifecycleMBeanBase implements Loader {

    /**
     * Constructs a new WebappLoader.
     */
    public WebappLoader() {
    }

    private static final Log log = LogFactory.getLog(WebappLoader.class);

    // ----------------------------------------------------- Instance Variables

    /**
     * The class loader being managed by this Loader component.
     */
    private WebappClassLoaderBase classLoader = null;


    /**
     * The Context with which this Loader has been associated.
     */
    private Context context = null;


    /**
     * The "follow standard delegation model" flag that will be used to configure our ClassLoader.
     */
    private boolean delegate = false;


    /**
     * The profile name which will be used by the converter, or null if not used. Any invalid profile value will default
     * to the TOMCAT profile, which converts all packages used by Tomcat.
     */
    private String jakartaConverter = null;


    /**
     * The Java class name of the ClassLoader implementation to be used. This class should extend WebappClassLoaderBase,
     * otherwise, a different loader implementation must be used.
     */
    private String loaderClass = ParallelWebappClassLoader.class.getName();


    /**
     * The string manager for this package.
     */
    protected static final StringManager sm = StringManager.getManager(WebappLoader.class);


    /**
     * The property change support for this component.
     */
    protected final PropertyChangeSupport support = new PropertyChangeSupport(this);


    /**
     * Classpath set in the loader.