standarddefaultcontext.java

This temp directory is used by the JVM for temporary file storage. The JVM is configured to use thi

/*
 * $Header: /home/cvs/jakarta-tomcat-catalina/catalina/src/share/org/apache/catalina/core/StandardDefaultContext.java,v 1.11 2004/01/26 20:19:10 remm Exp $
 * $Revision: 1.11 $
 * $Date: 2004/01/26 20:19:10 $
 *
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact [e-mail].
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * [Additional notices, if required by prior licensing conditions]
 *
 */


package org.apache.catalina.core;

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.lang.reflect.Constructor;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Vector;

import javax.management.MBeanRegistration;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import javax.naming.directory.DirContext;

import org.apache.catalina.Container;
import org.apache.catalina.Context;
import org.apache.catalina.DefaultContext;
import org.apache.catalina.Lifecycle;
import org.apache.catalina.LifecycleEvent;
import org.apache.catalina.LifecycleListener;
import org.apache.catalina.Loader;
import org.apache.catalina.Manager;
import org.apache.catalina.deploy.ApplicationParameter;
import org.apache.catalina.deploy.ContextEjb;
import org.apache.catalina.deploy.ContextEnvironment;
import org.apache.catalina.deploy.ContextResource;
import org.apache.catalina.deploy.ContextResourceLink;
import org.apache.catalina.deploy.NamingResources;
import org.apache.catalina.deploy.ResourceParams;
import org.apache.catalina.loader.WebappLoader;
import org.apache.catalina.mbeans.MBeanUtils;
import org.apache.catalina.util.StringManager;
import org.apache.commons.modeler.ManagedBean;
import org.apache.commons.modeler.Registry;
import org.apache.naming.ContextAccessController;

/**
 * Used to store the default configuration a Host will use
 * when creating a Context.  A Context configured in server.xml
 * can override these defaults by setting the Context attribute
 * <CODE>override="true"</CODE>.
 *
 * @author Glenn Nielsen
 * @version $Revision: 1.11 $ $Date: 2004/01/26 20:19:10 $
 */

public class StandardDefaultContext 
    implements DefaultContext, LifecycleListener, MBeanRegistration {


    // ----------------------------------------------------------- Constructors


    /**
     * Create the DefaultContext
     */
    public StandardDefaultContext() {

        namingResources.setContainer(this);

    }


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


    /**
     * Contexts we are currently associated with.
     */
    private Hashtable contexts = new Hashtable();


    /**
     * The set of application listener class names configured for this
     * application, in the order they were encountered in the web.xml file.
     */
    private String applicationListeners[] = new String[0];


    /**
     * The set of application parameters defined for this application.
     */
    private ApplicationParameter applicationParameters[] =
        new ApplicationParameter[0];


    /**
     * Should we attempt to use cookies for session id communication?
     */
    private boolean cookies = true;


    /**
     * Should we allow the <code>ServletContext.getContext()</code> method
     * to access the context of other web applications in this server?
     */
    private boolean crossContext = true;


    /**
     * The descriptive information string for this implementation.
     */
    private static final String info =
        "org.apache.catalina.core.DefaultContext/1.0";


    /**
     * The set of classnames of InstanceListeners that will be added
     * to each newly created Wrapper by <code>createWrapper()</code>.
     */
    private String instanceListeners[] = new String[0];


    /**
     * The Java class name of the default Mapper class for this Container.
     */
    private String mapperClass =
        "org.apache.catalina.core.StandardContextMapper";


    /**
     * The associated naming resources.
     */
    private NamingResources namingResources = new NamingResources();


    /**
     * The context initialization parameters for this web application,
     * keyed by name.
     */
    private HashMap parameters = new HashMap();


    /**
     * The reloadable flag for this web application.
     */
    private boolean reloadable = false;


    /**
     * The swallowOutput flag for this web application.
     */
    private boolean swallowOutput = false;


    /**
     * The set of classnames of LifecycleListeners that will be added
     * to each newly created Wrapper by <code>createWrapper()</code>.
     */
    private String wrapperLifecycles[] = new String[0];


    /**
     * The set of classnames of ContainerListeners that will be added
     * to each newly created Wrapper by <code>createWrapper()</code>.
     */
    private String wrapperListeners[] = new String[0];


    /**
     * Java class name of the Wrapper class implementation we use.
     */
    private String wrapperClass = "org.apache.catalina.core.StandardWrapper";


    /**
     * JNDI use flag.
     */
    private boolean useNaming = true;


    /**
     * The resources DirContext object with which this Container is
     * associated.
     *
     */
    DirContext dirContext = null;


    /**
     * The human-readable name of this Container.
     */
    protected String name = "defaultContext";


    /**
     * The parent Container to which this Container is a child.
     */
    protected Container parent = null;


    /**
     * The Context LifecycleListener's
     */
    protected Vector lifecycle = new Vector();


    /**
     * The Loader implementation with which this Container is associated.
     */
    protected Loader loader = null;


    /**
     * The Manager implementation with which this Container is associated.
     */
    protected Manager manager = null;


    /**
     * Case sensitivity.
     */
    protected boolean caseSensitive = true;


    /**
     * Allow linking.
     */
    protected boolean allowLinking = false;


    /**
     * Cache max size in KB.
     */
    protected int cacheMaxSize = 10240; // 10 MB


    /**
     * Cache TTL in ms.
     */
    protected int cacheTTL = 5000;


    /**
     * CachingAllowed.
     */
    protected boolean cachingAllowed = true;


    /**
     * Frequency of manager checks.
     */
    protected int managerChecksFrequency = 6;


    /**
     * The string manager for this package.
     */
    protected static StringManager sm =
        StringManager.getManager(Constants.Package);


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


    // ----------------------------------------------------- Context Properties


    /**
     * Set case sensitivity.
     */
    public void setCaseSensitive(boolean caseSensitive) {
        this.caseSensitive = caseSensitive;
    }


    /**
     * Is case sensitive ?
     */
    public boolean isCaseSensitive() {
        return caseSensitive;
    }


    /**
     * Set allow linking.
     */
    public void setAllowLinking(boolean allowLinking) {
        this.allowLinking = allowLinking;
    }


    /**
     * Is linking allowed.
     */
    public boolean isAllowLinking() {
        return allowLinking;
    }


    /**
     * Set cache TTL.
     */
    public void setCacheTTL(int cacheTTL) {
        this.cacheTTL = cacheTTL;
    }


    /**
     * Get cache TTL.
     */
    public int getCacheTTL() {
        return cacheTTL;
    }


    /**
     * Return the maximum size of the cache in KB.
     */
    public int getCacheMaxSize() {
        return cacheMaxSize;
    }


    /**
     * Set the maximum size of the cache in KB.
     */
    public void setCacheMaxSize(int cacheMaxSize) {
        this.cacheMaxSize = cacheMaxSize;
    }


    /**
     * Set cachingAllowed.
     */
    public void setCachingAllowed(boolean cachingAllowed) {
        this.cachingAllowed = cachingAllowed;
    }


    /**
     * Is cachingAllowed ?
     */
    public boolean isCachingAllowed() {
        return cachingAllowed;
    }


    /**
     * Set the manager checks frequency.
     */
    public void setManagerChecksFrequency(int managerChecksFrequency) {
        this.managerChecksFrequency = managerChecksFrequency;
    }


    /**
     * Get manager checks frquency.
     */
    public int getManagerChecksFrequency() {
        return managerChecksFrequency;
    }


    /**
     * Returns true if the internal naming support is used.
     */
    public boolean isUseNaming() {

        return (useNaming);

    }


    /**
     * Enables or disables naming.
     */
    public void setUseNaming(boolean useNaming) {
        this.useNaming = useNaming;
    }


    /**
     * Return the "use cookies for session ids" flag.
     */
    public boolean getCookies() {

        return (this.cookies);

    }


    /**
     * Set the "use cookies for session ids" flag.
     *
     * @param cookies The new flag
     */
    public void setCookies(boolean cookies) {
        boolean oldCookies = this.cookies;
        this.cookies = cookies;

    }


    /**
     * Return the "allow crossing servlet contexts" flag.
     */
    public boolean getCrossContext() {

        return (this.crossContext);

    }


    /**