package org.webslinger.container;

 import java.io.InputStream;

 import java.io.OutputStream;

 import java.io.IOException;

 import java.util.HashMap;

 import java.util.Map;

 import org.apache.commons.vfs.FileObject;

 import org.apache.commons.vfs.FileType;

 import org.webslinger.util.GeneratedResult;

 import org.webslinger.util.TTLObject;

 import org.webslinger.vfs.GeneratedStringVFSDelegate;

 import org.webslinger.vfs.VFSDelegate;

 import org.webslinger.vfs.VFSDelegateProxy;

 public final class StringFileInfo extends FileInfo {

     static {

         TTLObject.setDefaultTTLForClass(StringFileInfo.class, 1000);

     }

     private FileObject file;

     private final String contentType;

     private final HashMap attributes = new HashMap();

     private final GeneratedStringVFSDelegate.GeneratedString gs;

     private final FileObject defaultsFile;

     public StringFileInfo(WebslingerContainer container, FileObject servletFile, GeneratedStringVFSDelegate.GeneratedString gs, String contentType) throws IOException {

         super(container, servletFile);

         this.gs = gs;

         this.contentType = contentType;

         defaultsFile = getContainer().getWWW().resolveFile("/WEB-INF/DefaultMimeAttributes/" + contentType);

         //System.err.println(this + ".defaultsFile=" + defaultsFile);

     }

     protected FileCache getInitial() {

         return createFileCache(defaultsFile);

     }

     protected FileCache createFileCache(FileObject defaultsFile) {

         return new FileCache(defaultsFile);

     }

     protected long getTimestamp(FileCache old) {

         return gs.lastModifiedTime;

     }

     protected GeneratedResult<FileCache> generate(FileCache old) {

         return new GeneratedResult<FileCache>(gs.lastModifiedTime, createFileCache(defaultsFile));

     }

     public String getContentType() throws IOException {

         return contentType;

     }

     public Map<String, ?> getAttributes() throws IOException {

         Map<String, ?> attributes = getDefaultAttributes();

         attributes.putAll(gs.getAttributes());

         return attributes;

     }

     protected Object getAttributeInternal(String name) throws IOException {

         //System.err.println("checking file(" + file + ')');

         if (gs.attributeExists(name)) return gs.getAttribute(name);

         return super.getAttributeInternal(name);

     }

     public FileObject getFile() throws IOException {

         return file;

     }

     public boolean exists() {

         return true;

     }

     public boolean equals(Object o) {

         if (!(o instanceof StringFileInfo)) return false;

         StringFileInfo other = (StringFileInfo) o;

         return getServletFile().equals(other.getServletFile()) && gs.getResult().equals(other.gs.getResult());

     }

     public int hashCode() {

         return servletFile.hashCode() ^ gs.getResult().hashCode();

     }

     public String toString() {

         return "FI<" + servletFile + '>';

     }

     public static class StringFileInfoVFSDelegate<C> extends FileInfoVFSDelegate<StringFileInfo, C> {

         public StringFileInfoVFSDelegate(VFSDelegate<Object, Object, C> vfsDelegate) {

             super(vfsDelegate);

         }

         protected Object getReal(FileInfo fi) {

             return ((StringFileInfo) fi).gs;

         }

     }

 }