Examples of org.w3c.tools.resources.Resource

org.w3c.tools.resources.Resource
The resource class describes an object, accessible through the server. Resource objects are required to have the following properties:
- They must be persistent (their life-time can span multiple server life-time).
- They must be editable, so that one can change some of their aspects (such as any associated attribute).
- They must be self-described: each resource must now what kind of attribute it understands.
- They must be able to update themselves: some of the meta-information associated with a resource may require lot of CPU to compute.
- They must implement some name-service policy.
These resource objects do not define how they are accessed. See the sub-classes for specific accesses.

    {
  // Check target resource class:
  ResourceReference rr = lookup(request);
  // Handle request:
  try {
      Resource r = rr.lock();
      if(r != null) {
    try {
        r.delete();
    } catch (MultipleLockException ex) {
        error(request, ex.getMessage());
    }
    return okReply(request);
      } else {

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    public static RequestDispatcher getRequestDispatcher(String name,
               ResourceReference rr,
               httpd server)
    {
  try {
      Resource res = rr.lock();
      if (! (res instanceof ServletDirectoryFrame)) {
    throw new IllegalArgumentException("Not a servlet container!");
      }
      ServletDirectoryFrame sdf = (ServletDirectoryFrame) res;
      // if (sdf.getServlet(name) != null) {

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  String revision = null;


  protected synchronized void updateHeaders() {
      try {
    CvsFrame cvsframe = (CvsFrame) rr_cvsframe.lock();
    Resource res      = cvsframe.getResource();
    ResourceReference rr_dir = res.getParent();
    try {
        Resource parent = rr_dir.lock();
        if (parent instanceof ContainerResource) {
      ContainerResource dir = (ContainerResource) parent;
      ResourceReference rr_res = dir.lookup(name);
      if (rr_res == null) {
          this.setValue(ATTR_CONTENT_TYPE,

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  double q       = 0.0 ;  // quality (mime type one)
  double Q       = 0.0 ;  // the big Q


  public String toString() {
      try {
    Resource res = variant.unsafeLock();
    String name = (String) res.getIdentifier() ;
    if ( name == null )
        name = "<noname>" ;
    return "[" + name 
        + " qc=" + qc
        + " qs=" + qs

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    protected synchronized CvsDirectory getCvsManager() {
  if (cvs == null) {
      ResourceReference rrp = resource.getParent();
      if (rrp != null) {
    try {
        Resource parent = rrp.lock();
        if (! (parent instanceof DirectoryResource)) {
      getServer().errlog(resource, 
          "not a child of a DirectoryResource");
      throw new RuntimeException(
          "The server is misconfigured.");

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    protected boolean isIndexed(String name) {
  ResourceReference rrp = resource.getParent();
  if (rrp != null) {
      try {
    Resource parent = rrp.lock();
    if (! (parent instanceof DirectoryResource)) {
        getServer().errlog(resource, 
               "not a child of a DirectoryResource");
        throw new RuntimeException("The server is misconfigured.");
    }

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  String tablecolor = "white";
  String parentpath = null;
  ResourceReference rr_parent = resource.getParent();
  try {
      Resource parent = rr_parent.lock();
      parentpath = parent.getURLPath();
  } catch (InvalidResourceException ex) {
      getServer().errlog(resource, "Invalid parent");
      throw new RuntimeException("The server is misconfigured.");
  } finally {
      rr_parent.unlock();

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    if (action.equals("remove")) {
        //get the parent resource of our own resource
        ResourceReference rr = getResource().getParent();
        try {
      Resource res = rr.lock();
      DirectoryResource dirres = null;
      if (! (res instanceof DirectoryResource)) {
          getServer().errlog(res, 
             "CvsFrame: not a child of a DirectoryResource");
          return error(this, request, 
         "The server is misconfigured.",
         "The CVS Directory is not a children of a"+
         "Directory Resource.");
      }
      dirres = (DirectoryResource) res;
      for (int i=0; i < size; i++ ) {
          String name = names[i];
          ResourceReference childref = dirres.lookup(name);
          if (childref != null) {
        try {
            Resource children = childref.lock();
            if (children instanceof FileResource) {
          FileResource fres = 
              (FileResource) children;
          // delete the file
          fres.getFile().delete();

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  super.setValue(idx, value);
  if ( idx == ATTR_IDENTIFIER ) {
       ResourceReference rr = getParent();
      if (rr != null) {
    try {
        Resource parent = rr.lock();
        if (parent.definesAttribute("directory")) {
      File pdir = (File) parent.getValue("directory", null);
      if ( pdir != null ) {
          // Compute and set our directory attribute:
          File dir = new File(pdir, getIdentifier()) ;
          super.setValue(ATTR_DIRECTORY, dir) ;
      }

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  throws MultipleLockException
    {
  DummyResourceReference rr = 
      (DummyResourceReference) getContentTypes();
  try {
      Resource r = rr.lock();
      r.delete();
  } catch (InvalidResourceException ex) {
  } finally {
      rr.invalidate();
      rr.unlock();
  }

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org.w3c.jigedit.cvs.CvsEntryResource$RevisionFrame

org.w3c.jigedit.frames.CvsFileFrame

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