List of usage examples for org.apache.wicket.util.resource IResourceStream close
@Override void close() throws IOException;
From source file:com.visural.wicket.util.lesscss.LessCSSResourceStreamLocator.java
License:Apache License
private CacheResponse getResponse(IResourceStream stream) throws ResourceStreamNotFoundException, IOException { byte[] data = null; ByteArrayOutputStream baos = new ByteArrayOutputStream(); int r;//from ww w . j a va 2 s . com InputStream in = stream.getInputStream(); while ((r = in.read()) != -1) { baos.write(r); } stream.close(); data = baos.toByteArray(); LessCSS engine = new LessCSS(); String lesscss = engine.less(new ByteArrayInputStream(data)); CacheResponse cr = new CacheResponse(lesscss.getBytes().length, lesscss); return cr; }
From source file:de.alpharogroup.wicket.js.addon.core.StringTextTemplate.java
License:Apache License
/** * Creates a new instance of a {@link StringTextTemplate}. * /*from www. j a va2 s . co m*/ * @param content * The content of the template. * @param contentType * The content type. * @param encoding * the file's encoding */ public StringTextTemplate(final String content, final String contentType, final String encoding) { super(contentType); final IResourceStream stream = new StringResourceStream(content, getContentType()); try { if (encoding != null) { buffer.append(Streams.readString(stream.getInputStream(), encoding)); } else { buffer.append(Streams.readString(stream.getInputStream())); } } catch (final IOException e) { throw new RuntimeException(e); } catch (final ResourceStreamNotFoundException e) { throw new RuntimeException(e); } finally { try { stream.close(); } catch (final IOException e) { LOGGER.error("" + e.getMessage(), e); } } }
From source file:de.inren.frontend.jqplot.JqplotPanel.java
License:Apache License
public static String convertStreamToString(IResourceStream is) { String res = null;/*from ww w . java 2 s . c o m*/ try { @SuppressWarnings("resource") Scanner s = new Scanner(is.getInputStream(), "UTF-8").useDelimiter("\\A"); res = s.hasNext() ? s.next() : null; is.close(); } catch (ResourceStreamNotFoundException e) { log.error(e.getMessage(), e); res = null; } catch (IOException e) { log.error(e.getMessage(), e); res = null; } return res; }
From source file:fiftyfive.wicket.js.locator.SprocketDependencyCollector.java
License:Apache License
/** * Parse the given stream and translate any i/o exceptions into * WicketRuntimeException. Close the stream cleanly no matter what. */// w w w . j av a2s . c om private List<Sprocket> parseSprockets(IResourceStream stream) { try { InputStream is = stream.getInputStream(); String enc = JavaScriptDependencySettings.get().getEncoding(); return parseSprockets(new BufferedReader(new InputStreamReader(is, enc))); } catch (IOException ioe) { throw new WicketRuntimeException(ioe); } catch (ResourceStreamNotFoundException rsnfe) { throw new WicketRuntimeException(rsnfe); } finally { try { stream.close(); } catch (Exception ignore) { } } }
From source file:fiftyfive.wicket.js.locator.SprocketsDependencyCollector.java
License:Apache License
/** * Parse the given stream and translate any i/o exceptions into * WicketRuntimeException. Close the stream cleanly no matter what. *//*from ww w. j a va2 s. c o m*/ private List<Sprocket> parseSprocketsFromStream(IResourceStream stream) { try { InputStream is = stream.getInputStream(); String enc = JavaScriptDependencySettings.get().getEncoding(); return this.parser.parseSprockets(new BufferedReader(new InputStreamReader(is, enc))); } catch (IOException ioe) { throw new WicketRuntimeException(ioe); } catch (ResourceStreamNotFoundException rsnfe) { throw new WicketRuntimeException(rsnfe); } finally { try { stream.close(); } catch (Exception ignore) { } } }
From source file:org.apache.openmeetings.web.util.RecordingResourceReference.java
License:Apache License
@Override public IResource getResource() { return new AbstractResource() { private static final long serialVersionUID = 1L; private final static String ACCEPT_RANGES_HEADER = "Accept-Ranges"; private final static String RANGE_HEADER = "Range"; private final static String CONTENT_RANGE_HEADER = "Content-Range"; private final static String RANGES_BYTES = "bytes"; private File file; private boolean isRange = false; private long start = 0; private long end = 0; private long getChunkLength() { return isRange ? end - start + 1 : (file == null ? -1 : file.length()); }/*w w w .j ava 2s .c om*/ private IResourceStream getResourceStream() { return file == null ? null : new FileResourceStream(file) { private static final long serialVersionUID = 2546785247219805747L; private transient BoundedInputStream bi; @Override public InputStream getInputStream() throws ResourceStreamNotFoundException { if (bi == null) { //bi = new BoundedInputStream(super.getInputStream(), end + 1); bi = new BoundedInputStream(super.getInputStream(), isRange ? end + 1 : (file == null ? -1 : file.length())); try { bi.skip(start); } catch (IOException e) { throw new ResourceStreamNotFoundException(e); } } return bi; } @Override public Bytes length() { return Bytes.bytes(getChunkLength()); } @Override public void close() throws IOException { if (bi != null) { bi.close(); //also will close original stream bi = null; } } @Override public String getContentType() { return RecordingResourceReference.this.getContentType(); } }; } @Override protected void setResponseHeaders(ResourceResponse data, Attributes attributes) { Response response = attributes.getResponse(); if (response instanceof WebResponse) { WebResponse webResponse = (WebResponse) response; webResponse.setStatus( isRange ? HttpServletResponse.SC_PARTIAL_CONTENT : HttpServletResponse.SC_OK); } super.setResponseHeaders(data, attributes); } @Override protected ResourceResponse newResourceResponse(Attributes attributes) { ResourceResponse rr = new ResourceResponse(); FlvRecording r = getRecording(attributes); if (r != null) { isRange = false; file = getFile(r); rr.setFileName(getFileName(r)); rr.setContentType(RecordingResourceReference.this.getContentType()); rr.setContentDisposition(ContentDisposition.INLINE); rr.setLastModified(Time.millis(file.lastModified())); rr.getHeaders().addHeader(ACCEPT_RANGES_HEADER, RANGES_BYTES); String range = ((HttpServletRequest) attributes.getRequest().getContainerRequest()) .getHeader(RANGE_HEADER); if (range != null && range.startsWith(RANGES_BYTES)) { String[] bounds = range.substring(RANGES_BYTES.length() + 1).split("-"); if (bounds != null && bounds.length > 0) { long length = file.length(); isRange = true; start = Long.parseLong(bounds[0]); end = bounds.length > 1 ? Long.parseLong(bounds[1]) : length - 1; //Content-Range: bytes 229376-232468/232469 rr.getHeaders().addHeader(CONTENT_RANGE_HEADER, String.format("%s %d-%d/%d", RANGES_BYTES, start, end, length)); } } rr.setContentLength(getChunkLength()); rr.setWriteCallback(new WriteCallback() { @Override public void writeData(Attributes attributes) throws IOException { IResourceStream rStream = getResourceStream(); try { writeStream(attributes, rStream.getInputStream()); } catch (ResourceStreamNotFoundException e1) { } catch (ResponseIOException e) { // in case of range operations we expecting such exceptions if (!isRange) { log.error("Error while playing the stream", e); } } finally { rStream.close(); } } }); } else { rr.setError(HttpServletResponse.SC_NOT_FOUND); } return rr; } }; }
From source file:org.cast.cwm.ResourceDirectory.java
License:Open Source License
/** * creates a new resource response based on the request attributes * //from w ww . ja v a2 s.c om * @param attributes * current request attributes from client * @return resource response for answering request */ @Override protected ResourceResponse newResourceResponse(Attributes attributes) { String relativePath = ""; PageParameters parameters = attributes.getParameters(); for (int i = 0; i < parameters.getIndexedCount(); i++) { relativePath += parameters.get(i); relativePath += '/'; } if (relativePath.endsWith("/")) relativePath = relativePath.substring(0, relativePath.length() - 1); log.trace("relativePath is {}", relativePath); String absolutePath = new File(sourceDirectory, relativePath).getAbsolutePath(); final ResourceResponse resourceResponse = new ResourceResponse(); final IResourceStream resourceStream = getResourceStream(absolutePath); // bail out if resource stream could not be found if (resourceStream == null) { return sendResourceError(absolutePath, resourceResponse, HttpServletResponse.SC_NOT_FOUND, "Unable to find resource"); } // allow caching resourceResponse.setCacheScope(WebResponse.CacheScope.PUBLIC); resourceResponse.setCacheDuration(cacheDuration); // add Last-Modified header (to support HEAD requests and If-Modified-Since) resourceResponse.setLastModified(resourceStream.lastModifiedTime()); if (resourceResponse.dataNeedsToBeWritten(attributes)) { String contentType = resourceStream.getContentType(); if (contentType == null && Application.exists()) contentType = Application.get().getMimeType(absolutePath); // set Content-Type (may be null) resourceResponse.setContentType(contentType); try { // read resource data final byte[] bytes; bytes = IOUtils.toByteArray(resourceStream.getInputStream()); // send Content-Length header resourceResponse.setContentLength(bytes.length); // send response body with resource data resourceResponse.setWriteCallback(new WriteCallback() { @Override public void writeData(Attributes attributes) { attributes.getResponse().write(bytes); } }); } catch (IOException e) { log.debug(e.getMessage(), e); return sendResourceError(absolutePath, resourceResponse, 500, "Unable to read resource stream"); } catch (ResourceStreamNotFoundException e) { log.debug(e.getMessage(), e); return sendResourceError(absolutePath, resourceResponse, 500, "Unable to open resource stream"); } finally { try { resourceStream.close(); } catch (IOException e) { log.warn("Unable to close the resource stream", e); } } } return resourceResponse; }