Java Resource类代码示例

import org.apache.naming.resources.Resource; //导入依赖的package包/类
/**
 * Get the readme file as a string.
 */
protected String getReadme(DirContext directory)
    throws IOException, ServletException {

    if (readmeFile != null) {
        try {
            Object obj = directory.lookup(readmeFile);
            if ((obj != null) && (obj instanceof Resource)) {
                StringWriter buffer = new StringWriter();
                InputStream is = ((Resource) obj).streamContent();
                copyRange(new InputStreamReader(is),
                        new PrintWriter(buffer));
                return buffer.toString();
            }
        } catch (NamingException e) {
            if (debug > 10)
                log("readme '" + readmeFile + "' not found", e);

            return null;
        }
    }

    return null;
}
 

import org.apache.naming.resources.Resource; //导入依赖的package包/类
/**
 * Return the requested resource as an <code>InputStream</code>.  The
 * path must be specified according to the rules described under
 * <code>getResource</code>.  If no such resource can be identified,
 * return <code>null</code>.
 *
 * @param path The path to the desired resource.
 */
public InputStream getResourceAsStream(String path) {

    if (path == null || (Globals.STRICT_SERVLET_COMPLIANCE && !path.startsWith("/")))
        return (null);

    path = RequestUtil.normalize(path);
    if (path == null)
        return (null);

    DirContext resources = context.getResources();
    if (resources != null) {
        try {
            Object resource = resources.lookup(path);
            if (resource instanceof Resource)
                return (((Resource) resource).streamContent());
        } catch (Exception e) {
        }
    }
    return (null);

}
 

import org.apache.naming.resources.Resource; //导入依赖的package包/类
/**
 * Get the readme file as a string.
 *
 * @param directory Description of the Parameter
 * @return The readme value
 */
protected String getReadme(DirContext directory) {
  if (readmeFile != null) {
    try {
      Object obj = directory.lookup(readmeFile);

      if (obj != null && obj instanceof Resource) {
        StringWriter buffer = new StringWriter();
        InputStream is = ((Resource) obj).streamContent();
        copyRange(new InputStreamReader(is),
            new PrintWriter(buffer));

        return buffer.toString();
      }
    } catch (Throwable e) {
      ;
      /*
       *  Should only be IOException or NamingException
       *  can be ignored
       */
    }
  }

  return null;
}
 

import org.apache.naming.resources.Resource; //导入依赖的package包/类
/**
 * Description of the Method
 *
 * @param db Description of the Parameter
 * @throws SQLException          Description of the Exception
 * @throws FileNotFoundException Description of the Exception
 */
private void populateFileBindings(Connection db) throws SQLException, FileNotFoundException {
  FileItemList files = new FileItemList();
  files.setLinkModuleId(linkModuleId);
  files.setLinkItemId(linkItemId);
  files.setFolderId(folderId);
  files.setFileLibraryPath(path);
  files.buildList(db);
  Iterator j = files.iterator();
  while (j.hasNext()) {
    FileItem thisFile = (FileItem) j.next();
    //TODO: determine if the user has permission to view this File Item
    //      If he has then include it in the binding list
    File file = new File(thisFile.getFullFilePath());
    Resource resource = new Resource(new FileInputStream(file));
    bindings.put(thisFile.getClientFilename(), resource);
    //build properties
    buildProperties(thisFile.getClientFilename(), thisFile.getEntered(),
        thisFile.getModified(), new Integer(thisFile.getSize()));
  }
}
 

import org.apache.naming.resources.Resource; //导入依赖的package包/类
/**
 * Description of the Method
 *
 * @param db Description of the Parameter
 * @throws SQLException          Description of the Exception
 * @throws FileNotFoundException Description of the Exception
 */
private void populateFileBindings(Connection db) throws SQLException, FileNotFoundException {
  FileItemList files = new FileItemList();
  files.setLinkModuleId(linkModuleId);
  files.setLinkItemId(linkItemId);
  files.setTopLevelOnly(true);
  files.setFileLibraryPath(path);
  files.buildList(db);
  Iterator j = files.iterator();
  while (j.hasNext()) {
    FileItem thisFile = (FileItem) j.next();
    // TODO: determine if the user has permission to view this File Item
    // If he has then include it in the binding list
    File file = new File(thisFile.getFullFilePath());
    Resource resource = new Resource(new FileInputStream(file));
    bindings.put(thisFile.getClientFilename(), resource);
    //build properties
    buildProperties(thisFile.getClientFilename(), thisFile.getEntered(),
        thisFile.getModified(), new Integer(thisFile.getSize()));
  }
}
 

import org.apache.naming.resources.Resource; //导入依赖的package包/类
/**
 * Get the readme file as a string.
 */
protected String getReadme(DirContext directory)
    throws IOException {

    if (readmeFile != null) {
        try {
            Object obj = directory.lookup(readmeFile);
            if ((obj != null) && (obj instanceof Resource)) {
                StringWriter buffer = new StringWriter();
                InputStream is = ((Resource) obj).streamContent();
                copyRange(new InputStreamReader(is),
                        new PrintWriter(buffer));
                return buffer.toString();
            }
        } catch (NamingException e) {
            if (debug > 10)
                log("readme '" + readmeFile + "' not found", e);

            return null;
        }
    }

    return null;
}
 

import org.apache.naming.resources.Resource; //导入依赖的package包/类
/**
 * Return the requested resource as an <code>InputStream</code>.  The
 * path must be specified according to the rules described under
 * <code>getResource</code>.  If no such resource can be identified,
 * return <code>null</code>.
 *
 * @param path The path to the desired resource.
 */
public InputStream getResourceAsStream(String path) {

    DirContext resources = context.getResources();
    if (resources != null) {
        try {
            Object resource = resources.lookup(path);
            if (resource instanceof Resource)
                return (((Resource) resource).streamContent());
        } catch (Exception e) {
        }
    }
    return (null);

}
 

import org.apache.naming.resources.Resource; //导入依赖的package包/类
@Override
public InputStream getResourceStream(String name, Context context) throws IOException {
  try {
    return ((Resource) context.getResources().lookup(name)).streamContent();
  } catch (NamingException ex) {
    logger.trace("", ex);
    throw new RuntimeException(ex);
  }
}
 

import org.apache.naming.resources.Resource; //导入依赖的package包/类
/**
 * Resource stream.
 *
 * @throws IOException Signals that an I/O exception has occurred.
 * @throws NamingException Signals that a Naming exception has occurred.
 */
@Test
public void resourceStream() throws IOException, NamingException {
  Assert.assertNotNull(new Expectations() {
      {
          resource.lookup(this.anyString);
          this.result = new Resource();
      }
  });

  final Tomcat70ContainerAdapter adapter = new Tomcat70ContainerAdapter();
  adapter.getResourceStream("name", context);
}
 

import org.apache.naming.resources.Resource; //导入依赖的package包/类
/**
 * Connect to the DirContext, and retrive the bound object, as well as
 * its attributes. If no object is bound with the name specified in the
 * URL, then an IOException is thrown.
 * 
 * @throws IOException Object not found
 */
public void connect()
    throws IOException {
    
    if (!connected) {
        
        try {
            date = System.currentTimeMillis();
            String path = getURL().getFile();
            if (context instanceof ProxyDirContext) {
                ProxyDirContext proxyDirContext = 
                    (ProxyDirContext) context;
                String hostName = proxyDirContext.getHostName();
                String contextName = proxyDirContext.getContextName();
                if (hostName != null) {
                    if (!path.startsWith("/" + hostName + "/"))
                        return;
                    path = path.substring(hostName.length()+ 1);
                }
                if (contextName != null) {
                    if (!path.startsWith(contextName + "/")) {
                        return;
                    } else {
                        path = path.substring(contextName.length());
                    }
                }
            }
            object = context.lookup(path);
            attributes = context.getAttributes(path);
            if (object instanceof Resource)
                resource = (Resource) object;
            if (object instanceof DirContext)
                collection = (DirContext) object;
        } catch (NamingException e) {
            // Object not found
        }
        
        connected = true;
        
    }
    
}
 

import org.apache.naming.resources.Resource; //导入依赖的package包/类
protected ModelAndView handleContext(String contextName, Context context,
                                     HttpServletRequest request, HttpServletResponse response) throws Exception {

    String jspName = ServletRequestUtils.getStringParameter(request, "source", null);
    boolean highlight = ServletRequestUtils.getBooleanParameter(request, "highlight", true);
    Summary summary = (Summary) (request.getSession() != null ?
            request.getSession().getAttribute(DisplayJspController.SUMMARY_ATTRIBUTE) : null);

    if (jspName != null && summary != null && contextName.equals(summary.getName())) {

        Item item = (Item) summary.getItems().get(jspName);

        if (item != null) {
            //
            // replace "\" with "/"
            //
            jspName = jspName.replaceAll("\\\\", "/");

            //
            // remove cheeky "../" from the path to avoid exploits
            //
            while (jspName.indexOf("../") != -1) {
                jspName = jspName.replaceAll("\\.\\./", "");
            }

            Resource jsp = (Resource) context.getResources().lookup(jspName);

            if (jsp != null) {

                ServletContext sctx = context.getServletContext();
                ServletConfig scfg = (ServletConfig) context.findChild("jsp");
                Options opt = new EmbeddedServletOptions(scfg, sctx);
                String descriptorPageEncoding = opt.getJspConfig().findJspProperty(jspName).getPageEncoding();

                if (descriptorPageEncoding != null && descriptorPageEncoding.length() > 0) {
                    item.setEncoding(descriptorPageEncoding);
                } else {

                    //
                    // we have to read the JSP twice, once to figure out the content encoding
                    // the second time to read the actual content using the correct encoding
                    //
                    item.setEncoding(Utils.getJSPEncoding(jsp.streamContent()));
                }
                if (highlight) {
                    request.setAttribute("highlightedContent", Utils.highlightStream(jspName, jsp.streamContent(),
                            "xhtml", item.getEncoding()));
                } else {
                    request.setAttribute("content", Utils.readStream(jsp.streamContent(), item.getEncoding()));
                }

            } else {
                logger.error(jspName + " does not exist");
            }

            request.setAttribute("item", item);

        } else {
            logger.error("jsp name passed is not in the summary, ignored");
        }
    } else {
        if (jspName == null) {
            logger.error("Passed empty \"source\" parameter");
        }
        if (summary == null) {
            logger.error("Session has expired or there is no summary");
        }
    }
    return new ModelAndView(getViewName());
}