Package com.jalios.jcms.webdav

Class WebdavResource

  • All Implemented Interfaces:
    java.lang.Comparable<WebdavResource>
    Direct Known Subclasses:
    CatWebdavResource, FileWebdavResource
    public abstract class WebdavResource
extends java.lang.Object
implements java.lang.Comparable<WebdavResource>
    This class is an Abstract Representation of a Webdav Resource doing all webdav specific task or delegating to WebdavFileSystem. It must be overrided by sub level Content Management Implementation.
    Since:
    jcms-5.5.0
    Version:
    $Revision: 107554 $
    Author:
    Jean-Philippe Encausse

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected boolean possibleFile  
      static java.lang.String REVISION  
      protected java.lang.String uri  

    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      protected WebdavResource​(java.lang.String uri, WebdavContext ctxt)
      The resource must be a relative URI to the path folders starting and ending by '/'.

    • Field Detail

      • uri

        protected java.lang.String uri

      • possibleFile

        protected boolean possibleFile

    • Constructor Detail

      • WebdavResource

        protected WebdavResource​(java.lang.String uri,
                         WebdavContext ctxt)
        The resource must be a relative URI to the path folders starting and ending by '/'. ie /my/path/resource.ext -> /my/path/resource.ext
        ie /my/path/ -> /my/path/
        Parameters:
        uri - the resource uri
        ctxt - the Webdav Context
        See Also:
        WebdavFileSystem.getResource(String, WebdavContext)

    • Method Detail

      • getLocks

        public java.util.Collection<WebdavLock> getLocks​(WebdavContext ctxt)
        Convenient method that delegate call to the WebdavFileSystem
        Parameters:
        ctxt - the Webdav Context
        Returns:
        Collection of WebdavLock on this resource

      • getDescendantLocks

        public java.util.Collection<WebdavLock> getDescendantLocks​(WebdavContext ctxt)
        Convenient method that delegate call to the WebdavFileSystem
        Parameters:
        ctxt - the Webdav Context
        Returns:
        Collection of WebdavLock on this resource

      • putLock

        public WebdavLock putLock​(WebdavLock lock,
                          WebdavContext ctxt)
        Convenient method that delegate call to the WebdavFileSystem
        Parameters:
        lock - the Webdav Lock
        ctxt - the Webdav Context
        Returns:
        Collection of WebdavLock on this resource

      • putLocks

        public WebdavLock putLocks​(WebdavLock lock,
                           WebdavContext ctxt)
        Convenient method that delegate call to the WebdavFileSystem
        Parameters:
        lock - the Webdav Lock
        ctxt - the Webdav Context
        Returns:
        Collection of WebdavLock on this resource

      • hasExclusiveLockAccess

        public boolean hasExclusiveLockAccess​(WebdavContext ctxt)
        Check that current user has an exclusive lock access for current context on this resource
        Parameters:
        ctxt - the WebdavContext
        Returns:
        true if operation is allowed to continue, false if a LOCK exists and user has not specified this locktoken
        Since:
        jcms-6.1

      • hasLockAccess

        public boolean hasLockAccess​(WebdavContext ctxt)
        Check lock access for current context on this resource
        Parameters:
        ctxt - the WebdavContext
        Returns:
        true if operation is allowed to continue, false if a LOCK exists and user has not specified this locktoken
        Since:
        jcms-6.1

      • checkUnlockAccess

        public boolean checkUnlockAccess​(WebdavContext ctxt)
        Check unlock access for current context on this resource
        Parameters:
        ctxt - the WebdavContext
        Returns:
        true if operation is allowed to continue, false if a LOCK
        Since:
        jcms-6.1

      • getETag

        public java.lang.String getETag​(boolean strong,
                                WebdavContext ctxt)
        Return a etag representation usefull not to be read-only with ms-word
        Parameters:
        strong - indicate the way to get the etag
        ctxt - the Webdav Context
        Returns:
        String the etag

      • getName

        public java.lang.String getName​(WebdavContext ctxt)
        This method will return the name of the resource
        ie /my/path/resource.ext -> resource.ext
        ie /my/path/ -> path
        Parameters:
        ctxt - the Webdav Context
        Returns:
        String the Short Name

      • getPath

        public java.lang.String getPath​(WebdavContext ctxt)
        This method will return the path of the resource
        ie /my/path/resource.ext -> /my/path/resource.ext
        ie /my/path/ -> /my/path/
        Parameters:
        ctxt - the Webdav Context
        Returns:
        String the Full Name

      • setPath

        public void setPath​(java.lang.String uri,
                    WebdavContext ctxt)

      • toString

        public java.lang.String toString()
        Override the toString() method
        Overrides:
        toString in class java.lang.Object
        Returns:
        String the value of the uri

      • setPossibleContent

        public void setPossibleContent​(boolean isFile)
        Used by creation method to define the content may be a File or a Folder.
        Parameters:
        isFile - Content may be a file

      • isPossibleFile

        public boolean isPossibleFile()

      • isFolder

        public boolean isFolder​(WebdavContext ctxt)
        This method will check if the resource is a File or a Folder. Default implementation return !isFile()
        Parameters:
        ctxt - the Webdav Context
        Returns:
        true if the resource is a Folder (ie Collection)

      • isFile

        public boolean isFile​(WebdavContext ctxt)
        This method will check if the resource is a File or a Folder. Default implementation assume a File is a Collection without children.
        Parameters:
        ctxt - the Webdav Context
        Returns:
        true if the resource is a File (ie Collection without children)

      • getParent

        public WebdavResource getParent​(WebdavContext ctxt)
        This method will return the Parent WebdavResource of the resource. Default implementation will call WebdavFileSystem.getResource() with the parent path.
        Parameters:
        ctxt - the Webdav Context
        Returns:
        WebdavResource the parent Webdav Resource or null if none

      • isReadable

        public boolean isReadable​(boolean recursive,
                          WebdavContext ctxt)
        This method will return true if the resource can be read by the context. Default implementation always return true to avoid security purpose.
        Parameters:
        recursive - Check if children are also readable
        ctxt - the Webdav Context
        Returns:
        true if the resource can be read

      • isWritable

        public boolean isWritable​(boolean recursive,
                          boolean overwrite,
                          WebdavContext ctxt)
        This method will return true if the resource can be write by the context. Default implementation always return true to avoid security purpose. Warning! Write also mean update or delete.
        Parameters:
        recursive - Check if children are also writable
        overwrite - Inform that resources will be overwrited if exists
        ctxt - the Webdav Context
        Returns:
        true if the resource can be write

      • isHidden

        public boolean isHidden​(WebdavContext ctxt)
        This method will return true if the resource isHidden. Default implementation always return false to ignore this behavior. Warning! Hidden doesn't mean not readable but only hide from default user interface.
        Parameters:
        ctxt - the Webdav Context
        Returns:
        true if the resource is hidden

      • getLastAccessed

        public long getLastAccessed​(WebdavContext ctxt)
        This method will return a long representing the last time this resource was accessed. If the implementation doesn't have ths information then return -1. Check for lastrefresh locks then check for last modified resource then return -1.
        Parameters:
        ctxt - the Webdav Context
        Returns:
        long the last resource access time

      • getContentLanguage

        public java.lang.String getContentLanguage​(WebdavContext ctxt)
        This method will return the content language Default implementation return null
        Parameters:
        ctxt - the Webdav Context
        Returns:
        String custom implenation or null

      • getChildren

        public abstract java.util.Collection<WebdavResource> getChildren​(WebdavContext ctxt)
        Return all the Children of the resource. This method is abstract and must be implemented by the UserFileSystem.
        Parameters:
        ctxt - the Webdav Context
        Returns:
        Collection a Collection of WebdavResource

      • isExisting

        public abstract boolean isExisting​(WebdavContext ctxt)
        Check if the resource exists in the UserFileSystem This method is abstract and must be implemented by the UserFileSystem.
        Parameters:
        ctxt - the Webdav Context
        Returns:
        true if the resource exists

      • getContentLength

        public abstract long getContentLength​(WebdavContext ctxt)
        Return the size of the resource or 0 if there is no content
        Parameters:
        ctxt - the Webdav Context
        Returns:
        long the size of the file or 0 if it is a folder

      • getCreationDate

        public abstract long getCreationDate​(WebdavContext ctxt)
        Return long representing the Creation of the resource It contains a timestamp of the moment when the resource was created (i.e., the moment it had non-null state).
        Parameters:
        ctxt - the Webdav Context
        Returns:
        long the LastModified of the resource

      • getLastModified

        public abstract long getLastModified​(WebdavContext ctxt)
        Return long representing the LastModified of the resource Note that the last-modified date on a resource may reflect changes in any part of the state of the resource, not necessarily just a change to the response to the GET method. For example, a change in a property may cause the last-modified date to change.
        Parameters:
        ctxt - the Webdav Context
        Returns:
        long the LastModified of the resource

      • getResourceStream

        public abstract java.io.InputStream getResourceStream​(WebdavContext ctxt)
                                               throws java.io.IOException
        This method have to return an InputStream on the resource. The Stream will be Buffered and Closed by the caller.
        Parameters:
        ctxt - the Webdav Context
        Returns:
        InputStream an open stream to the resource
        Throws:
        java.io.IOException

      • setResourceStream

        public abstract boolean setResourceStream​(java.io.InputStream in,
                                          WebdavContext ctxt)
                                   throws java.io.IOException
        This method have to return an InputStream on the resource. The Stream will be Buffered and Closed by the caller. But this method may close the Stream.
        Parameters:
        in - the Request InputStream
        ctxt - the Webdav Context
        Returns:
        boolean if the set has been correctly done
        Throws:
        java.io.IOException

      • getContentType

        public abstract java.lang.String getContentType​(WebdavContext ctxt)
        This method have to return the Content Type of the resource with the Content Encoding ie "text/html; charset=UTF-8" It is the media type defined in section 3.7 of [RFC2068] If no content type then return ""
        Parameters:
        ctxt - the Webdav Context
        Returns:
        String a String that describe the resource ContentType or "application/octet-stream"

      • equals

        public boolean equals​(java.lang.Object obj)
        Overrides:
        equals in class java.lang.Object