Tomcat example source code file (Status.java)

This example Tomcat source code file (Status.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Tomcat tags/keywords

apr_edsoopen, apr_os_errspace_size, apr_os_errspace_size, apr_os_start_canonerr, apr_os_start_eaierr, apr_os_start_error, apr_os_start_error, apr_os_start_status, apr_os_start_status, apr_os_start_usererr, apr_os_start_usererr, apr_status_is_enosocket, apr_status_is_erelative, apr_status_is_keybased

The Tomcat Status.java source code

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.apache.tomcat.jni;

/** Status
 *
 * @author Mladen Turk
 * @version $Revision: 467222 $, $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $
 */

public class Status {

    /**
     * APR_OS_START_ERROR is where the APR specific error values start.
     */
     public static final int APR_OS_START_ERROR   = 20000;
    /**
     * APR_OS_ERRSPACE_SIZE is the maximum number of errors you can fit
     *    into one of the error/status ranges below -- except for
     *    APR_OS_START_USERERR, which see.
     */
     public static final int APR_OS_ERRSPACE_SIZE = 50000;
    /**
     * APR_OS_START_STATUS is where the APR specific status codes start.
     */
     public static final int APR_OS_START_STATUS  = (APR_OS_START_ERROR + APR_OS_ERRSPACE_SIZE);

    /**
     * APR_OS_START_USERERR are reserved for applications that use APR that
     *     layer their own error codes along with APR's.  Note that the
     *     error immediately following this one is set ten times farther
     *     away than usual, so that users of apr have a lot of room in
     *     which to declare custom error codes.
     */
    public static final int APR_OS_START_USERERR  = (APR_OS_START_STATUS + APR_OS_ERRSPACE_SIZE);
    /**
     * APR_OS_START_USEERR is obsolete, defined for compatibility only.
     * Use APR_OS_START_USERERR instead.
     */
    public static final int APR_OS_START_USEERR    = APR_OS_START_USERERR;
    /**
     * APR_OS_START_CANONERR is where APR versions of errno values are defined
     *     on systems which don't have the corresponding errno.
     */
    public static final int APR_OS_START_CANONERR  = (APR_OS_START_USERERR + (APR_OS_ERRSPACE_SIZE * 10));

    /**
     * APR_OS_START_EAIERR folds EAI_ error codes from getaddrinfo() into
     *     apr_status_t values.
     */
    public static final int APR_OS_START_EAIERR  = (APR_OS_START_CANONERR + APR_OS_ERRSPACE_SIZE);
    /**
     * APR_OS_START_SYSERR folds platform-specific system error values into
     *     apr_status_t values.
     */
    public static final int APR_OS_START_SYSERR  = (APR_OS_START_EAIERR + APR_OS_ERRSPACE_SIZE);

    /** no error. */
    public static final int APR_SUCCESS = 0;

    /**
     * APR Error Values
     * <PRE>
     * <b>APR ERROR VALUES
     * APR_ENOSTAT      APR was unable to perform a stat on the file
     * APR_ENOPOOL      APR was not provided a pool with which to allocate memory
     * APR_EBADDATE     APR was given an invalid date
     * APR_EINVALSOCK   APR was given an invalid socket
     * APR_ENOPROC      APR was not given a process structure
     * APR_ENOTIME      APR was not given a time structure
     * APR_ENODIR       APR was not given a directory structure
     * APR_ENOLOCK      APR was not given a lock structure
     * APR_ENOPOLL      APR was not given a poll structure
     * APR_ENOSOCKET    APR was not given a socket
     * APR_ENOTHREAD    APR was not given a thread structure
     * APR_ENOTHDKEY    APR was not given a thread key structure
     * APR_ENOSHMAVAIL  There is no more shared memory available
     * APR_EDSOOPEN     APR was unable to open the dso object.  For more
     *                  information call apr_dso_error().
     * APR_EGENERAL     General failure (specific information not available)
     * APR_EBADIP       The specified IP address is invalid
     * APR_EBADMASK     The specified netmask is invalid
     * APR_ESYMNOTFOUND Could not find the requested symbol
     * </PRE>
     *
     */
    public static final int APR_ENOSTAT       = (APR_OS_START_ERROR + 1);
    public static final int APR_ENOPOOL       = (APR_OS_START_ERROR + 2);
    public static final int APR_EBADDATE      = (APR_OS_START_ERROR + 4);
    public static final int APR_EINVALSOCK    = (APR_OS_START_ERROR + 5);
    public static final int APR_ENOPROC       = (APR_OS_START_ERROR + 6);
    public static final int APR_ENOTIME       = (APR_OS_START_ERROR + 7);
    public static final int APR_ENODIR        = (APR_OS_START_ERROR + 8);
    public static final int APR_ENOLOCK       = (APR_OS_START_ERROR + 9);
    public static final int APR_ENOPOLL       = (APR_OS_START_ERROR + 10);
    public static final int APR_ENOSOCKET     = (APR_OS_START_ERROR + 11);
    public static final int APR_ENOTHREAD     = (APR_OS_START_ERROR + 12);
    public static final int APR_ENOTHDKEY     = (APR_OS_START_ERROR + 13);
    public static final int APR_EGENERAL      = (APR_OS_START_ERROR + 14);
    public static final int APR_ENOSHMAVAIL   = (APR_OS_START_ERROR + 15);
    public static final int APR_EBADIP        = (APR_OS_START_ERROR + 16);
    public static final int APR_EBADMASK      = (APR_OS_START_ERROR + 17);
    public static final int APR_EDSOOPEN      = (APR_OS_START_ERROR + 19);
    public static final int APR_EABSOLUTE     = (APR_OS_START_ERROR + 20);
    public static final int APR_ERELATIVE     = (APR_OS_START_ERROR + 21);
    public static final int APR_EINCOMPLETE   = (APR_OS_START_ERROR + 22);
    public static final int APR_EABOVEROOT    = (APR_OS_START_ERROR + 23);
    public static final int APR_EBADPATH      = (APR_OS_START_ERROR + 24);
    public static final int APR_EPATHWILD     = (APR_OS_START_ERROR + 25);
    public static final int APR_ESYMNOTFOUND  = (APR_OS_START_ERROR + 26);
    public static final int APR_EPROC_UNKNOWN = (APR_OS_START_ERROR + 27);
    public static final int APR_ENOTENOUGHENTROPY = (APR_OS_START_ERROR + 28);

    /** APR Status Values
     * <PRE>
     * <b>APR STATUS VALUES
     * APR_INCHILD        Program is currently executing in the child
     * APR_INPARENT       Program is currently executing in the parent
     * APR_DETACH         The thread is detached
     * APR_NOTDETACH      The thread is not detached
     * APR_CHILD_DONE     The child has finished executing
     * APR_CHILD_NOTDONE  The child has not finished executing
     * APR_TIMEUP         The operation did not finish before the timeout
     * APR_INCOMPLETE     The operation was incomplete although some processing
     *                    was performed and the results are partially valid
     * APR_BADCH          Getopt found an option not in the option string
     * APR_BADARG         Getopt found an option that is missing an argument
     *                    and an argument was specified in the option string
     * APR_EOF            APR has encountered the end of the file
     * APR_NOTFOUND       APR was unable to find the socket in the poll structure
     * APR_ANONYMOUS      APR is using anonymous shared memory
     * APR_FILEBASED      APR is using a file name as the key to the shared memory
     * APR_KEYBASED       APR is using a shared key as the key to the shared memory
     * APR_EINIT          Ininitalizer value.  If no option has been found, but
     *                    the status variable requires a value, this should be used
     * APR_ENOTIMPL       The APR function has not been implemented on this
     *                    platform, either because nobody has gotten to it yet,
     *                    or the function is impossible on this platform.
     * APR_EMISMATCH      Two passwords do not match.
     * APR_EBUSY          The given lock was busy.
     * </PRE>
     *
     */
    public static final int APR_INCHILD       = (APR_OS_START_STATUS + 1);
    public static final int APR_INPARENT      = (APR_OS_START_STATUS + 2);
    public static final int APR_DETACH        = (APR_OS_START_STATUS + 3);
    public static final int APR_NOTDETACH     = (APR_OS_START_STATUS + 4);
    public static final int APR_CHILD_DONE    = (APR_OS_START_STATUS + 5);
    public static final int APR_CHILD_NOTDONE = (APR_OS_START_STATUS + 6);
    public static final int APR_TIMEUP        = (APR_OS_START_STATUS + 7);
    public static final int APR_INCOMPLETE    = (APR_OS_START_STATUS + 8);
    public static final int APR_BADCH         = (APR_OS_START_STATUS + 12);
    public static final int APR_BADARG        = (APR_OS_START_STATUS + 13);
    public static final int APR_EOF           = (APR_OS_START_STATUS + 14);
    public static final int APR_NOTFOUND      = (APR_OS_START_STATUS + 15);
    public static final int APR_ANONYMOUS     = (APR_OS_START_STATUS + 19);
    public static final int APR_FILEBASED     = (APR_OS_START_STATUS + 20);
    public static final int APR_KEYBASED      = (APR_OS_START_STATUS + 21);
    public static final int APR_EINIT         = (APR_OS_START_STATUS + 22);
    public static final int APR_ENOTIMPL      = (APR_OS_START_STATUS + 23);
    public static final int APR_EMISMATCH     = (APR_OS_START_STATUS + 24);
    public static final int APR_EBUSY         = (APR_OS_START_STATUS + 25);

    public static final int TIMEUP            = (APR_OS_START_USERERR + 1);
    public static final int EAGAIN            = (APR_OS_START_USERERR + 2);
    public static final int EINTR             = (APR_OS_START_USERERR + 3);
    public static final int EINPROGRESS       = (APR_OS_START_USERERR + 4);
    public static final int ETIMEDOUT         = (APR_OS_START_USERERR + 5);

    private static native boolean is(int err, int idx);
    /**
     * APR_STATUS_IS Status Value Tests
     * <br />Warning : For any particular error condition, more than one of these tests
     *      may match. This is because platform-specific error codes may not
     *      always match the semantics of the POSIX codes these tests (and the
     *      corresponding APR error codes) are named after. A notable example
     *      are the APR_STATUS_IS_ENOENT and APR_STATUS_IS_ENOTDIR tests on
     *      Win32 platforms. The programmer should always be aware of this and
     *      adjust the order of the tests accordingly.
     *
     */
    public static final boolean APR_STATUS_IS_ENOSTAT(int s)    { return is(s, 1); }
    public static final boolean APR_STATUS_IS_ENOPOOL(int s)    { return is(s, 2); }
    /* empty slot: +3 */
    public static final boolean APR_STATUS_IS_EBADDATE(int s)   { return is(s, 4); }
    public static final boolean APR_STATUS_IS_EINVALSOCK(int s) { return is(s, 5); }
    public static final boolean APR_STATUS_IS_ENOPROC(int s)    { return is(s, 6); }
    public static final boolean APR_STATUS_IS_ENOTIME(int s)    { return is(s, 7); }
    public static final boolean APR_STATUS_IS_ENODIR(int s)     { return is(s, 8); }
    public static final boolean APR_STATUS_IS_ENOLOCK(int s)    { return is(s, 9); }
    public static final boolean APR_STATUS_IS_ENOPOLL(int s)    { return is(s, 10); }
    public static final boolean APR_STATUS_IS_ENOSOCKET(int s)  { return is(s, 11); }
    public static final boolean APR_STATUS_IS_ENOTHREAD(int s)  { return is(s, 12); }
    public static final boolean APR_STATUS_IS_ENOTHDKEY(int s)  { return is(s, 13); }
    public static final boolean APR_STATUS_IS_EGENERAL(int s)   { return is(s, 14); }
    public static final boolean APR_STATUS_IS_ENOSHMAVAIL(int s){ return is(s, 15); }
    public static final boolean APR_STATUS_IS_EBADIP(int s)     { return is(s, 16); }
    public static final boolean APR_STATUS_IS_EBADMASK(int s)   { return is(s, 17); }
    /* empty slot: +18 */
    public static final boolean APR_STATUS_IS_EDSOPEN(int s)    { return is(s, 19); }
    public static final boolean APR_STATUS_IS_EABSOLUTE(int s)  { return is(s, 20); }
    public static final boolean APR_STATUS_IS_ERELATIVE(int s)  { return is(s, 21); }
    public static final boolean APR_STATUS_IS_EINCOMPLETE(int s){ return is(s, 22); }
    public static final boolean APR_STATUS_IS_EABOVEROOT(int s) { return is(s, 23); }
    public static final boolean APR_STATUS_IS_EBADPATH(int s)   { return is(s, 24); }
    public static final boolean APR_STATUS_IS_EPATHWILD(int s)  { return is(s, 25); }
    public static final boolean APR_STATUS_IS_ESYMNOTFOUND(int s)      { return is(s, 26); }
    public static final boolean APR_STATUS_IS_EPROC_UNKNOWN(int s)     { return is(s, 27); }
    public static final boolean APR_STATUS_IS_ENOTENOUGHENTROPY(int s) { return is(s, 28); }

    /*
     * APR_Error
     */
    public static final boolean APR_STATUS_IS_INCHILD(int s)    { return is(s, 51); }
    public static final boolean APR_STATUS_IS_INPARENT(int s)   { return is(s, 52); }
    public static final boolean APR_STATUS_IS_DETACH(int s)     { return is(s, 53); }
    public static final boolean APR_STATUS_IS_NOTDETACH(int s)  { return is(s, 54); }
    public static final boolean APR_STATUS_IS_CHILD_DONE(int s) { return is(s, 55); }
    public static final boolean APR_STATUS_IS_CHILD_NOTDONE(int s)  { return is(s, 56); }
    public static final boolean APR_STATUS_IS_TIMEUP(int s)     { return is(s, 57); }
    public static final boolean APR_STATUS_IS_INCOMPLETE(int s) { return is(s, 58); }
    /* empty slot: +9 */
    /* empty slot: +10 */
    /* empty slot: +11 */
    public static final boolean APR_STATUS_IS_BADCH(int s)      { return is(s, 62); }
    public static final boolean APR_STATUS_IS_BADARG(int s)     { return is(s, 63); }
    public static final boolean APR_STATUS_IS_EOF(int s)        { return is(s, 64); }
    public static final boolean APR_STATUS_IS_NOTFOUND(int s)   { return is(s, 65); }
    /* empty slot: +16 */
    /* empty slot: +17 */
    /* empty slot: +18 */
    public static final boolean APR_STATUS_IS_ANONYMOUS(int s)  { return is(s, 69); }
    public static final boolean APR_STATUS_IS_FILEBASED(int s)  { return is(s, 70); }
    public static final boolean APR_STATUS_IS_KEYBASED(int s)   { return is(s, 71); }
    public static final boolean APR_STATUS_IS_EINIT(int s)      { return is(s, 72); }
    public static final boolean APR_STATUS_IS_ENOTIMPL(int s)   { return is(s, 73); }
    public static final boolean APR_STATUS_IS_EMISMATCH(int s)  { return is(s, 74); }
    public static final boolean APR_STATUS_IS_EBUSY(int s)      { return is(s, 75); }

    /* Socket errors */
    public static final boolean APR_STATUS_IS_EAGAIN(int s)     { return is(s, 90); }
    public static final boolean APR_STATUS_IS_ETIMEDOUT(int s)  { return is(s, 91); }
    public static final boolean APR_STATUS_IS_ECONNABORTED(int s) { return is(s, 92); }
    public static final boolean APR_STATUS_IS_ECONNRESET(int s)   { return is(s, 93); }
    public static final boolean APR_STATUS_IS_EINPROGRESS(int s)  { return is(s, 94); }
    public static final boolean APR_STATUS_IS_EINTR(int s)      { return is(s, 95); }
    public static final boolean APR_STATUS_IS_ENOTSOCK(int s)   { return is(s, 96); }
    public static final boolean APR_STATUS_IS_EINVAL(int s)     { return is(s, 97); }

}