Example usage for java.util Vector elements

List of usage examples for java.util Vector elements

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Introduction

In this page you can find the example usage for java.util Vector elements.

Prototype

public Enumeration<E> elements()

Source Link

Document

Returns an enumeration of the components of this vector.

Usage

From source file:org.apache.webdav.lib.WebdavResource.java

public Enumeration reportMethod(HttpURL httpURL, Vector properties, Vector histUri, int depth)

        throws HttpException, IOException {
    setClient();/*from  www.ja  v  a 2  s  . c  o m*/
    // Default depth=0, type=by_name
    ReportMethod method = new ReportMethod(httpURL.getEscapedPath(), depth, properties.elements(),
            histUri.elements());
    method.setDebug(debug);
    method.setFollowRedirects(this.followRedirects);
    generateTransactionHeader(method);
    generateAdditionalHeaders(method);
    client.executeMethod(method);

    Vector results = new Vector();

    Enumeration responses = method.getResponses();
    while (responses.hasMoreElements()) {
        ResponseEntity response = (ResponseEntity) responses.nextElement();
        String href = response.getHref();
        String sResult = href;

        // Set status code for this resource.
        if ((thisResource == true) && (response.getStatusCode() > 0))
            setStatusCode(response.getStatusCode());
        thisResource = false;

        Enumeration responseProperties = method.getResponseProperties(href);
        while (responseProperties.hasMoreElements()) {
            Property property = (Property) responseProperties.nextElement();
            sResult += "\n" + property.getName() + ":\t" + DOMUtils.getTextValue(property.getElement());
        }
        results.addElement(sResult);
    }

    return results.elements();
}

From source file:org.apache.webdav.lib.WebdavResource.java

/**
 * Execute PROPFIND method for the given path and properties.
 * Get list of given WebDAV properties on the given resource.
 *
 * @param path the server relative path of the resource to request
 * @param properties the WebDAV properties to find.
 * @return Enumeration list of WebDAV properties on a resource.
 * @exception HttpException//  ww w. j  av  a  2 s  .  c  om
 * @exception IOException
 */
public Enumeration propfindMethod(String path, Vector properties) throws HttpException, IOException {

    setClient();
    // Default depth=0, type=by_name
    PropFindMethod method = new PropFindMethod(URIUtil.encodePath(path), DepthSupport.DEPTH_0,
            properties.elements());
    method.setDebug(debug);
    method.setFollowRedirects(this.followRedirects);
    generateTransactionHeader(method);
    generateAdditionalHeaders(method);
    int status = client.executeMethod(method);

    // Also accept OK sent by buggy servers.
    if (status != HttpStatus.SC_MULTI_STATUS && status != HttpStatus.SC_OK) {
        HttpException ex = new HttpException();
        ex.setReasonCode(status);
        throw ex;
    }

    // It contains the results.
    Vector results = new Vector();

    Enumeration responses = method.getResponses();
    if (responses.hasMoreElements()) {
        ResponseEntity response = (ResponseEntity) responses.nextElement();
        String href = response.getHref();

        // Set status code for this resource.
        if ((thisResource == true) && (response.getStatusCode() > 0))
            setStatusCode(response.getStatusCode());
        thisResource = false;

        Enumeration responseProperties = method.getResponseProperties(href);
        while (responseProperties.hasMoreElements()) {
            Property property = (Property) responseProperties.nextElement();
            results.addElement(property.getPropertyAsString());
        }
    }

    return results.elements();
}

From source file:org.apache.webdav.lib.WebdavResource.java

/**
 * Return the <code>AclProperty</code> for the resource at the given path
 *
 * @param path the server relative path of the resource to request
 * @return acl property, null if the server doesn't respond with
 * <code>AclProperty</code>/*  www  . jav  a  2 s  .c o m*/
 */
public AclProperty aclfindMethod(String path) throws HttpException, IOException {

    setClient();

    AclProperty acl = null;

    Vector properties = new Vector();
    properties.addElement(AclProperty.TAG_NAME);

    // Default depth=0, type=by_name
    PropFindMethod method = new PropFindMethod(URIUtil.encodePath(path), DepthSupport.DEPTH_0,
            properties.elements());
    method.setDebug(debug);
    method.setFollowRedirects(this.followRedirects);

    generateTransactionHeader(method);
    generateAdditionalHeaders(method);
    client.executeMethod(method);

    Enumeration responses = method.getResponses();
    if (responses.hasMoreElements()) {
        ResponseEntity response = (ResponseEntity) responses.nextElement();
        String href = response.getHref();

        // Set status code for this resource.
        if ((thisResource == true) && (response.getStatusCode() > 0))
            setStatusCode(response.getStatusCode());
        thisResource = false;

        Enumeration responseProperties = method.getResponseProperties(href);
        while (responseProperties.hasMoreElements()) {
            Property property = (Property) responseProperties.nextElement();
            if (property instanceof AclProperty) {
                acl = (AclProperty) property;
            }

        }
    }

    return acl;
}

From source file:org.apache.webdav.lib.WebdavResource.java

/**
 * Return the LockDiscoveryProperty for the resource at the given path
 *
 * @param path the server relative path of the resource to request
 * @return null if the server doesn't respond with a LockDiscoveryProperty
 */// www.  ja  v a2s .c o  m
public LockDiscoveryProperty lockDiscoveryPropertyFindMethod(String path) throws HttpException, IOException {

    setClient();

    LockDiscoveryProperty set = null;

    Vector properties = new Vector();
    properties.addElement(LockDiscoveryProperty.TAG_NAME);

    // Default depth=0, type=by_name
    PropFindMethod method = new PropFindMethod(URIUtil.encodePath(path), DepthSupport.DEPTH_0,
            properties.elements());
    method.setDebug(debug);
    method.setFollowRedirects(this.followRedirects);
    generateTransactionHeader(method);
    generateAdditionalHeaders(method);
    client.executeMethod(method);

    Enumeration responses = method.getResponses();
    if (responses.hasMoreElements()) {
        ResponseEntity response = (ResponseEntity) responses.nextElement();
        String href = response.getHref();

        // Set status code for this resource.
        if ((thisResource == true) && (response.getStatusCode() > 0))
            setStatusCode(response.getStatusCode());
        thisResource = false;

        Enumeration responseProperties = method.getResponseProperties(href);
        while (responseProperties.hasMoreElements()) {
            Property property = (Property) responseProperties.nextElement();
            if (property instanceof LockDiscoveryProperty) {
                set = (LockDiscoveryProperty) property;
            }

        }
    }

    return set;
}

From source file:org.apache.webdav.lib.WebdavResource.java

/**
 * Get the <code>PrincipalCollectionSetProperty</code> for the resource.
 *
 * @param path the server relative path of the resource to request
 * @return principal collection set Property, null if the server doesn't
 * respond with a <code>PrincipalCollectionSetProperty</code>
 *//*from  w  w w  .j  a v a 2  s. c  om*/
public PrincipalCollectionSetProperty principalCollectionSetFindMethod(String path)
        throws HttpException, IOException {

    setClient();

    PrincipalCollectionSetProperty set = null;

    Vector properties = new Vector();
    properties.addElement(PrincipalCollectionSetProperty.TAG_NAME);

    // Default depth=0, type=by_name
    PropFindMethod method = new PropFindMethod(URIUtil.encodePath(path), DepthSupport.DEPTH_0,
            properties.elements());
    method.setDebug(debug);
    method.setFollowRedirects(this.followRedirects);
    generateTransactionHeader(method);
    generateAdditionalHeaders(method);
    client.executeMethod(method);

    Enumeration responses = method.getResponses();
    if (responses.hasMoreElements()) {
        ResponseEntity response = (ResponseEntity) responses.nextElement();
        String href = response.getHref();

        // Set status code for this resource.
        if ((thisResource == true) && (response.getStatusCode() > 0))
            setStatusCode(response.getStatusCode());
        thisResource = false;

        Enumeration responseProperties = method.getResponseProperties(href);
        while (responseProperties.hasMoreElements()) {
            Property property = (Property) responseProperties.nextElement();
            if (property instanceof PrincipalCollectionSetProperty) {
                set = (PrincipalCollectionSetProperty) property;
            }

        }
    }

    return set;
}

From source file:com.zeroio.webdav.WebdavServlet.java

/**
 * LOCK Method.//from  w  w w .j  av  a  2 s. co  m
 *
 * @param context Description of the Parameter
 * @throws ServletException Description of the Exception
 * @throws IOException      Description of the Exception
 */
protected void doLock(ActionContext context) throws ServletException, IOException {

    if (readOnly) {
        context.getResponse().sendError(WebdavStatus.SC_FORBIDDEN);
        return;
    }

    if (isLocked(context.getRequest())) {
        context.getResponse().sendError(WebdavStatus.SC_LOCKED);
        return;
    }

    LockInfo lock = new LockInfo();

    // Parsing lock request

    // Parsing depth header

    String depthStr = context.getRequest().getHeader("Depth");

    if (depthStr == null) {
        lock.depth = INFINITY;
    } else {
        if (depthStr.equals("0")) {
            lock.depth = 0;
        } else {
            lock.depth = INFINITY;
        }
    }
    // Parsing timeout header

    int lockDuration = DEFAULT_TIMEOUT;
    String lockDurationStr = context.getRequest().getHeader("Timeout");
    if (lockDurationStr == null) {
        lockDuration = DEFAULT_TIMEOUT;
    } else {
        int commaPos = lockDurationStr.indexOf(",");
        // If multiple timeouts, just use the first
        if (commaPos != -1) {
            lockDurationStr = lockDurationStr.substring(0, commaPos);
        }
        if (lockDurationStr.startsWith("Second-")) {
            lockDuration = (new Integer(lockDurationStr.substring(7))).intValue();
        } else {
            if (lockDurationStr.equalsIgnoreCase("infinity")) {
                lockDuration = MAX_TIMEOUT;
            } else {
                try {
                    lockDuration = (new Integer(lockDurationStr)).intValue();
                } catch (NumberFormatException e) {
                    lockDuration = MAX_TIMEOUT;
                }
            }
        }
        if (lockDuration == 0) {
            lockDuration = DEFAULT_TIMEOUT;
        }
        if (lockDuration > MAX_TIMEOUT) {
            lockDuration = MAX_TIMEOUT;
        }
    }
    lock.expiresAt = System.currentTimeMillis() + (lockDuration * 1000);

    int lockRequestType = LOCK_CREATION;

    Node lockInfoNode = null;

    DocumentBuilder documentBuilder = getDocumentBuilder();

    try {
        Document document = documentBuilder.parse(new InputSource(context.getRequest().getInputStream()));

        // Get the root element of the document
        Element rootElement = document.getDocumentElement();
        lockInfoNode = rootElement;
    } catch (Exception e) {
        lockRequestType = LOCK_REFRESH;
    }

    if (lockInfoNode != null) {

        // Reading lock information

        NodeList childList = lockInfoNode.getChildNodes();
        StringWriter strWriter = null;
        DOMWriter domWriter = null;

        Node lockScopeNode = null;
        Node lockTypeNode = null;
        Node lockOwnerNode = null;

        for (int i = 0; i < childList.getLength(); i++) {
            Node currentNode = childList.item(i);
            switch (currentNode.getNodeType()) {
            case Node.TEXT_NODE:
                break;
            case Node.ELEMENT_NODE:
                String nodeName = currentNode.getNodeName();
                if (nodeName.endsWith("lockscope")) {
                    lockScopeNode = currentNode;
                }
                if (nodeName.endsWith("locktype")) {
                    lockTypeNode = currentNode;
                }
                if (nodeName.endsWith("owner")) {
                    lockOwnerNode = currentNode;
                }
                break;
            }
        }

        if (lockScopeNode != null) {

            childList = lockScopeNode.getChildNodes();
            for (int i = 0; i < childList.getLength(); i++) {
                Node currentNode = childList.item(i);
                switch (currentNode.getNodeType()) {
                case Node.TEXT_NODE:
                    break;
                case Node.ELEMENT_NODE:
                    String tempScope = currentNode.getNodeName();
                    if (tempScope.indexOf(':') != -1) {
                        lock.scope = tempScope.substring(tempScope.indexOf(':') + 1);
                    } else {
                        lock.scope = tempScope;
                    }
                    break;
                }
            }

            if (lock.scope == null) {
                // Bad request
                context.getResponse().setStatus(WebdavStatus.SC_BAD_REQUEST);
            }
        } else {
            // Bad request
            context.getResponse().setStatus(WebdavStatus.SC_BAD_REQUEST);
        }

        if (lockTypeNode != null) {

            childList = lockTypeNode.getChildNodes();
            for (int i = 0; i < childList.getLength(); i++) {
                Node currentNode = childList.item(i);
                switch (currentNode.getNodeType()) {
                case Node.TEXT_NODE:
                    break;
                case Node.ELEMENT_NODE:
                    String tempType = currentNode.getNodeName();
                    if (tempType.indexOf(':') != -1) {
                        lock.type = tempType.substring(tempType.indexOf(':') + 1);
                    } else {
                        lock.type = tempType;
                    }
                    break;
                }
            }

            if (lock.type == null) {
                // Bad request
                context.getResponse().setStatus(WebdavStatus.SC_BAD_REQUEST);
            }
        } else {
            // Bad request
            context.getResponse().setStatus(WebdavStatus.SC_BAD_REQUEST);
        }

        if (lockOwnerNode != null) {

            childList = lockOwnerNode.getChildNodes();
            for (int i = 0; i < childList.getLength(); i++) {
                Node currentNode = childList.item(i);
                switch (currentNode.getNodeType()) {
                case Node.TEXT_NODE:
                    lock.owner += currentNode.getNodeValue();
                    break;
                case Node.ELEMENT_NODE:
                    strWriter = new StringWriter();
                    domWriter = new DOMWriter(strWriter, true);
                    domWriter.setQualifiedNames(false);
                    domWriter.print(currentNode);
                    lock.owner += strWriter.toString();
                    break;
                }
            }

            if (lock.owner == null) {
                // Bad request
                context.getResponse().setStatus(WebdavStatus.SC_BAD_REQUEST);
            }
        } else {
            lock.owner = new String();
        }

    }

    String path = getRelativePath(context.getRequest());

    //Fix for MACOSX finder. Do not allow requests for files starting with a period
    if (path.indexOf("/.") > -1 || path.indexOf(".DS_Store") > -1) {
        return;
    }

    lock.path = path;

    // Retrieve the resources
    DirContext resources = getResources();

    if (resources == null) {
        context.getResponse().sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        return;
    }

    boolean exists = true;
    Object object = null;
    try {
        object = resources.lookup(path);
    } catch (NamingException e) {
        exists = false;
    }

    Enumeration locksList = null;

    if (lockRequestType == LOCK_CREATION) {

        // Generating lock id
        String lockTokenStr = context.getRequest().getServletPath() + "-" + lock.type + "-" + lock.scope + "-"
                + context.getRequest().getUserPrincipal() + "-" + lock.depth + "-" + lock.owner + "-"
                + lock.tokens + "-" + lock.expiresAt + "-" + System.currentTimeMillis() + "-" + secret;
        String lockToken = md5Encoder.encode(md5Helper.digest(lockTokenStr.getBytes()));

        if ((exists) && (object instanceof DirContext) && (lock.depth == INFINITY)) {

            // Locking a collection (and all its member resources)

            // Checking if a child resource of this collection is
            // already locked
            Vector lockPaths = new Vector();
            locksList = collectionLocks.elements();
            while (locksList.hasMoreElements()) {
                LockInfo currentLock = (LockInfo) locksList.nextElement();
                if (currentLock.hasExpired()) {
                    resourceLocks.remove(currentLock.path);
                    continue;
                }
                if ((currentLock.path.startsWith(lock.path))
                        && ((currentLock.isExclusive()) || (lock.isExclusive()))) {
                    // A child collection of this collection is locked
                    lockPaths.addElement(currentLock.path);
                }
            }
            locksList = resourceLocks.elements();
            while (locksList.hasMoreElements()) {
                LockInfo currentLock = (LockInfo) locksList.nextElement();
                if (currentLock.hasExpired()) {
                    resourceLocks.remove(currentLock.path);
                    continue;
                }
                if ((currentLock.path.startsWith(lock.path))
                        && ((currentLock.isExclusive()) || (lock.isExclusive()))) {
                    // A child resource of this collection is locked
                    lockPaths.addElement(currentLock.path);
                }
            }

            if (!lockPaths.isEmpty()) {

                // One of the child paths was locked
                // We generate a multistatus error report

                Enumeration lockPathsList = lockPaths.elements();

                context.getResponse().setStatus(WebdavStatus.SC_CONFLICT);

                XMLWriter generatedXML = new XMLWriter();
                generatedXML.writeXMLHeader();

                generatedXML.writeElement(null, "multistatus" + generateNamespaceDeclarations(),
                        XMLWriter.OPENING);

                while (lockPathsList.hasMoreElements()) {
                    generatedXML.writeElement(null, "response", XMLWriter.OPENING);
                    generatedXML.writeElement(null, "href", XMLWriter.OPENING);
                    generatedXML.writeText((String) lockPathsList.nextElement());
                    generatedXML.writeElement(null, "href", XMLWriter.CLOSING);
                    generatedXML.writeElement(null, "status", XMLWriter.OPENING);
                    generatedXML.writeText("HTTP/1.1 " + WebdavStatus.SC_LOCKED + " "
                            + WebdavStatus.getStatusText(WebdavStatus.SC_LOCKED));
                    generatedXML.writeElement(null, "status", XMLWriter.CLOSING);

                    generatedXML.writeElement(null, "response", XMLWriter.CLOSING);
                }

                generatedXML.writeElement(null, "multistatus", XMLWriter.CLOSING);

                Writer writer = context.getResponse().getWriter();
                writer.write(generatedXML.toString());
                writer.close();

                return;
            }

            boolean addLock = true;

            // Checking if there is already a shared lock on this path
            locksList = collectionLocks.elements();
            while (locksList.hasMoreElements()) {

                LockInfo currentLock = (LockInfo) locksList.nextElement();
                if (currentLock.path.equals(lock.path)) {

                    if (currentLock.isExclusive()) {
                        context.getResponse().sendError(WebdavStatus.SC_LOCKED);
                        return;
                    } else {
                        if (lock.isExclusive()) {
                            context.getResponse().sendError(WebdavStatus.SC_LOCKED);
                            return;
                        }
                    }

                    currentLock.tokens.addElement(lockToken);
                    lock = currentLock;
                    addLock = false;

                }
            }

            if (addLock) {
                lock.tokens.addElement(lockToken);
                collectionLocks.addElement(lock);
            }
        } else {

            // Locking a single resource

            // Retrieving an already existing lock on that resource
            LockInfo presentLock = (LockInfo) resourceLocks.get(lock.path);
            if (presentLock != null) {

                if ((presentLock.isExclusive()) || (lock.isExclusive())) {
                    // If either lock is exclusive, the lock can't be
                    // granted
                    context.getResponse().sendError(WebdavStatus.SC_PRECONDITION_FAILED);
                    return;
                } else {
                    presentLock.tokens.addElement(lockToken);
                    lock = presentLock;
                }

            } else {

                lock.tokens.addElement(lockToken);
                resourceLocks.put(lock.path, lock);

                // Checking if a resource exists at this path
                exists = true;
                try {
                    object = resources.lookup(path);
                } catch (NamingException e) {
                    exists = false;
                }
                if (!exists) {

                    // "Creating" a lock-null resource
                    int slash = lock.path.lastIndexOf('/');
                    String parentPath = lock.path.substring(0, slash);

                    Vector lockNulls = (Vector) lockNullResources.get(parentPath);
                    if (lockNulls == null) {
                        lockNulls = new Vector();
                        lockNullResources.put(parentPath, lockNulls);
                    }

                    //System.out.println("ADDED LOCK AT PATH: " + lock.path);
                    lockNulls.addElement(lock.path);

                }
                // Add the Lock-Token header as by RFC 2518 8.10.1
                // - only do this for newly created locks
                context.getResponse().addHeader("Lock-Token", "<opaquelocktoken:" + lockToken + ">");
            }

        }

    }

    if (lockRequestType == LOCK_REFRESH) {

        String ifHeader = context.getRequest().getHeader("If");
        if (ifHeader == null) {
            ifHeader = "";
        }

        // Checking resource locks

        LockInfo toRenew = (LockInfo) resourceLocks.get(path);
        Enumeration tokenList = null;
        if (lock != null) {

            // At least one of the tokens of the locks must have been given

            tokenList = toRenew.tokens.elements();
            while (tokenList.hasMoreElements()) {
                String token = (String) tokenList.nextElement();
                if (ifHeader.indexOf(token) != -1) {
                    toRenew.expiresAt = lock.expiresAt;
                    lock = toRenew;
                }
            }

        }

        // Checking inheritable collection locks

        Enumeration collectionLocksList = collectionLocks.elements();
        while (collectionLocksList.hasMoreElements()) {
            toRenew = (LockInfo) collectionLocksList.nextElement();
            if (path.equals(toRenew.path)) {

                tokenList = toRenew.tokens.elements();
                while (tokenList.hasMoreElements()) {
                    String token = (String) tokenList.nextElement();
                    if (ifHeader.indexOf(token) != -1) {
                        toRenew.expiresAt = lock.expiresAt;
                        lock = toRenew;
                    }
                }

            }
        }

    }

    // Set the status, then generate the XML response containing
    // the lock information
    XMLWriter generatedXML = new XMLWriter();
    generatedXML.writeXMLHeader();
    generatedXML.writeElement(null, "prop" + generateNamespaceDeclarations(), XMLWriter.OPENING);

    generatedXML.writeElement(null, "lockdiscovery", XMLWriter.OPENING);

    lock.toXML(generatedXML);

    generatedXML.writeElement(null, "lockdiscovery", XMLWriter.CLOSING);

    generatedXML.writeElement(null, "prop", XMLWriter.CLOSING);

    context.getResponse().setStatus(WebdavStatus.SC_OK);
    context.getResponse().setContentType("text/xml; charset=UTF-8");
    Writer writer = context.getResponse().getWriter();
    writer.write(generatedXML.toString());
    writer.close();

}

From source file:org.apache.webdav.lib.WebdavResource.java

public Enumeration reportMethod(HttpURL httpURL, String sQuery, int depth)

        throws HttpException, IOException {
    setClient();//from   w  w  w .ja  va  2 s  .com
    // Default depth=0, type=by_name
    ReportMethod method = new ReportMethod(httpURL.getEscapedPath(), depth, sQuery);

    method.setDebug(debug);
    method.setFollowRedirects(this.followRedirects);
    generateTransactionHeader(method);
    generateAdditionalHeaders(method);
    client.executeMethod(method);

    Vector results = new Vector();

    Enumeration responses = method.getResponses();
    while (responses.hasMoreElements()) {
        ResponseEntity response = (ResponseEntity) responses.nextElement();
        //String href = (String) response.getHref();
        String sResult; //= href;

        // Set status code for this resource.
        if ((thisResource == true) && (response.getStatusCode() > 0))
            setStatusCode(response.getStatusCode());
        thisResource = false;

        sResult = response.toString();
        /*while (responseProperties.hasMoreElements()) {
         Property property = (Property) responseProperties.nextElement();
         sResult += "\t" + DOMUtils.getTextValue(property.getElement());
                
         }*/
        results.addElement(sResult);
    }

    return results.elements();
}

From source file:org.apache.webdav.lib.WebdavResource.java

/**
 * Execute the REPORT method./*from   w w w .  j a  v  a 2 s .  co  m*/
 */
public Enumeration reportMethod(HttpURL httpURL, int depth)

        throws HttpException, IOException {
    setClient();
    // Default depth=0, type=by_name
    ReportMethod method = new ReportMethod(httpURL.getEscapedPath(), depth);
    method.setDebug(debug);
    method.setFollowRedirects(this.followRedirects);
    generateTransactionHeader(method);
    generateAdditionalHeaders(method);
    client.executeMethod(method);

    Vector results = new Vector();

    Enumeration responses = method.getResponses();
    while (responses.hasMoreElements()) {
        ResponseEntity response = (ResponseEntity) responses.nextElement();
        String href = response.getHref();
        String sResult = href;

        // Set status code for this resource.
        if ((thisResource == true) && (response.getStatusCode() > 0))
            setStatusCode(response.getStatusCode());
        thisResource = false;

        Enumeration responseProperties = method.getResponseProperties(href);
        while (responseProperties.hasMoreElements()) {
            Property property = (Property) responseProperties.nextElement();
            sResult += "\n" + property.getName() + ":\t" + DOMUtils.getTextValue(property.getElement());

        }
        results.addElement(sResult);
    }

    return results.elements();
}

From source file:org.apache.webdav.lib.WebdavResource.java

/**
 * Execute OPTIONS method for the given http URL, DELTAV
 *
 * @param httpURL the http URL./*from www  .  j  a v a 2  s.com*/
 * @return the allowed methods and capabilities.
 * @exception HttpException
 * @exception IOException
 */
public Enumeration optionsMethod(HttpURL httpURL, int type) throws HttpException, IOException {

    HttpClient client = getSessionInstance(httpURL, true);

    OptionsMethod method = new OptionsMethod(httpURL.getEscapedPath(), type);
    method.setDebug(debug);
    method.setFollowRedirects(this.followRedirects);

    generateTransactionHeader(method);
    generateAdditionalHeaders(method);
    client.executeMethod(method);

    Vector options = new Vector();
    int statusCode = method.getStatusLine().getStatusCode();
    if (statusCode >= 200 && statusCode < 300) {
        Enumeration responses = method.getResponses();
        if (responses.hasMoreElements()) {
            ResponseEntity response = (ResponseEntity) responses.nextElement();
            // String sResult="";
            if (type == OPTIONS_WORKSPACE) {
                Enumeration workspaces = response.getWorkspaces();
                while (workspaces.hasMoreElements()) {
                    options.add(workspaces.nextElement().toString());
                }
            } else if (type == OPTIONS_VERSION_HISTORY) {
                Enumeration histories = response.getHistories();
                while (histories.hasMoreElements()) {
                    options.add(histories.nextElement().toString());
                }
            }

            // Set status code for this resource.
            if ((thisResource == true) && (response.getStatusCode() > 0))
                setStatusCode(response.getStatusCode());
            thisResource = false;
            // options.addElement(sResult);
        }
    }

    return options.elements();
}

From source file:org.apache.webdav.lib.WebdavResource.java

/**
 * Execute OPTIONS method for the given path.
 *
 * @param path the server relative path of the resource to request
 * @return the allowed methods and capabilities.
 * @exception HttpException/* www.  ja va  2  s.  c o m*/
 * @exception IOException
 * @see #getAllowedMethods()
 */
public Enumeration optionsMethod(String path, int type) throws HttpException, IOException {

    setClient();

    OptionsMethod method = new OptionsMethod(URIUtil.encodePath(path), type);
    method.setDebug(debug);
    method.setFollowRedirects(this.followRedirects);

    generateTransactionHeader(method);
    generateAdditionalHeaders(method);
    client.executeMethod(method);

    Vector options = new Vector();
    int statusCode = method.getStatusLine().getStatusCode();
    if (statusCode >= 200 && statusCode < 300) {
        Enumeration responses = method.getResponses();
        if (responses.hasMoreElements()) {
            ResponseEntity response = (ResponseEntity) responses.nextElement();
            // String sResult="";
            if (type == OPTIONS_WORKSPACE) {
                Enumeration workspaces = response.getWorkspaces();
                while (workspaces.hasMoreElements()) {
                    options.add(workspaces.nextElement().toString());
                }
            } else if (type == OPTIONS_VERSION_HISTORY) {
                Enumeration histories = response.getHistories();
                while (histories.hasMoreElements()) {
                    options.add(histories.nextElement().toString());
                }
            }

            // Set status code for this resource.
            if ((thisResource == true) && (response.getStatusCode() > 0))
                setStatusCode(response.getStatusCode());
            thisResource = false;
            // options.addElement(sResult);
        }
    }

    return options.elements();
}