/* * Creates the resource and if the check flag is set to true, checks if * is its okay to return the resource. */ Resource checkResource(final String name, boolean check, final JarEntry entry) { final URL url; try { url = new URL(getBaseURL(), name); if (check) { URLClassPath.check(url); } } catch (MalformedURLException e) { return null; // throw new IllegalArgumentException("name"); } catch (IOException e) { return null; } catch (AccessControlException e) { return null; } return new Resource() { public String getName() { return name; } public URL getURL() { return url; } public URL getCodeSourceURL() { return csu; } public InputStream getInputStream() throws IOException { return jar.getInputStream(entry); } public int getContentLength() { return (int) entry.getSize(); } public Manifest getManifest() throws IOException { return jar.getManifest(); }; public Certificate[] getCertificates() { return entry.getCertificates(); }; }; }
Resource getResource(final String name, boolean check) { final URL url; try { URL normalizedBase = new URL(getBaseURL(), "."); url = new URL(getBaseURL(), name); if (url.getFile().startsWith(normalizedBase.getFile()) == false) { // requested resource had ../..'s in path return null; } if (check) URLClassPath.check(url); final File file = new File(dir, name.replace('/', File.separatorChar)); if (file.exists()) { return new Resource() { public String getName() { return name; }; public URL getURL() { return url; }; public URL getCodeSourceURL() { return getBaseURL(); }; public InputStream getInputStream() throws IOException { return new FileInputStream(file); }; public int getContentLength() throws IOException { return (int) file.length(); }; }; } } catch (Exception e) { return null; } return null; }
Resource getResource(final String name, boolean check) { final URL url; try { url = new URL(base, name); } catch (MalformedURLException e) { throw new IllegalArgumentException("name"); } final URLConnection uc; try { if (check) { URLClassPath.check(url); } uc = url.openConnection(); InputStream in = uc.getInputStream(); } catch (Exception e) { return null; } return new Resource() { public String getName() { return name; } public URL getURL() { return url; } public URL getCodeSourceURL() { return base; } public InputStream getInputStream() throws IOException { return uc.getInputStream(); } public int getContentLength() throws IOException { return uc.getContentLength(); } }; }
URL findResource(final String name, boolean check) { URL url; try { url = new URL(base, name); } catch (MalformedURLException e) { throw new IllegalArgumentException("name"); } try { if (check) { URLClassPath.check(url); } // our best guess for the other cases InputStream is = url.openStream(); is.close(); return url; } catch (Exception e) { return null; } }