List of usage examples for java.io BufferedReader reset
public void reset() throws IOException
From source file:Main.java
public static void main(String[] args) throws Exception { InputStream is = new FileInputStream("c:/test.txt"); InputStreamReader isr = new InputStreamReader(is); BufferedReader br = new BufferedReader(isr); System.out.println((char) br.read()); System.out.println((char) br.read()); br.mark(26);/* w ww .java2 s . co m*/ System.out.println("mark() invoked"); System.out.println((char) br.read()); System.out.println((char) br.read()); br.reset(); System.out.println("reset() invoked"); System.out.println((char) br.read()); System.out.println((char) br.read()); }
From source file:Main.java
public static void main(String[] args) throws Exception { String s = "from java2s.com"; StringReader sr = new StringReader(s); BufferedReader br = new BufferedReader(sr); // reads and prints BufferedReader System.out.println((char) br.read()); System.out.println((char) br.read()); // mark invoked at this position br.mark(0);/*w ww . j av a2s . c o m*/ System.out.println("mark() invoked"); System.out.println((char) br.read()); System.out.println((char) br.read()); // reset() repositioned the stream to the mark br.reset(); System.out.println("reset() invoked"); System.out.println((char) br.read()); System.out.println((char) br.read()); }
From source file:org.bitbucket.mlopatkin.android.liblogcat.file.FileDataSourceFactory.java
private static DataSource createLogFileSource(File file, String checkLine, BufferedReader in) throws IOException, UnrecognizedFormatException { LogfileDataSource source = LogfileDataSource.createLogfileDataSourceWithStrategy(file, checkLine); in.reset(); source.parse(in);/*from w ww .j av a2 s .c om*/ return source; }
From source file:org.apache.hyracks.maven.license.LicenseUtil.java
private static void trim(Writer out, BufferedReader reader, boolean unpad, boolean wrap) throws IOException { Pair<Integer, Integer> result = null; if (unpad || wrap) { result = analyze(reader);/* w w w .ja v a 2s .co m*/ reader.reset(); } doTrim(out, reader, unpad ? result.getLeft() : 0, wrap && (result.getRight() > wrapThreshold) ? wrapLength : Integer.MAX_VALUE); }
From source file:de.adorsys.oauth.server.FixedServletUtils.java
/** * Creates a new HTTP request from the specified HTTP servlet request. * * @param servletRequest The servlet request. Must not be * {@code null}./*from w w w . ja va 2 s . c o m*/ * @param maxEntityLength The maximum entity length to accept, -1 for * no limit. * * @return The HTTP request. * * @throws IllegalArgumentException The the servlet request method is * not GET, POST, PUT or DELETE or the * content type header value couldn't * be parsed. * @throws IOException For a POST or PUT body that * couldn't be read due to an I/O * exception. */ public static HTTPRequest createHTTPRequest(final HttpServletRequest servletRequest, final long maxEntityLength) throws IOException { HTTPRequest.Method method = HTTPRequest.Method.valueOf(servletRequest.getMethod().toUpperCase()); String urlString = reconstructRequestURLString(servletRequest); URL url; try { url = new URL(urlString); } catch (MalformedURLException e) { throw new IllegalArgumentException("Invalid request URL: " + e.getMessage() + ": " + urlString, e); } HTTPRequest request = new HTTPRequest(method, url); try { request.setContentType(servletRequest.getContentType()); } catch (ParseException e) { throw new IllegalArgumentException("Invalid Content-Type header value: " + e.getMessage(), e); } Enumeration<String> headerNames = servletRequest.getHeaderNames(); while (headerNames.hasMoreElements()) { final String headerName = headerNames.nextElement(); request.setHeader(headerName, servletRequest.getHeader(headerName)); } if (method.equals(HTTPRequest.Method.GET) || method.equals(HTTPRequest.Method.DELETE)) { request.setQuery(servletRequest.getQueryString()); } else if (method.equals(HTTPRequest.Method.POST) || method.equals(HTTPRequest.Method.PUT)) { if (maxEntityLength > 0 && servletRequest.getContentLength() > maxEntityLength) { throw new IOException("Request entity body is too large, limit is " + maxEntityLength + " chars"); } Map<String, String[]> parameterMap = servletRequest.getParameterMap(); StringBuilder builder = new StringBuilder(); if (!parameterMap.isEmpty()) { for (Entry<String, String[]> entry : parameterMap.entrySet()) { String key = entry.getKey(); String[] value = entry.getValue(); if (value.length > 0 && value[0] != null) { String encoded = URLEncoder.encode(value[0], "UTF-8"); builder = builder.append(key).append('=').append(encoded).append('&'); } } String queryString = StringUtils.substringBeforeLast(builder.toString(), "&"); request.setQuery(queryString); } else { // read body StringBuilder body = new StringBuilder(256); BufferedReader reader = servletRequest.getReader(); reader.reset(); char[] cbuf = new char[256]; int readChars; while ((readChars = reader.read(cbuf)) != -1) { body.append(cbuf, 0, readChars); if (maxEntityLength > 0 && body.length() > maxEntityLength) { throw new IOException( "Request entity body is too large, limit is " + maxEntityLength + " chars"); } } reader.reset(); // reader.close(); request.setQuery(body.toString()); } } return request; }
From source file:com.liusoft.dlog4j.xml.RSSFetcher.java
/** * ??//from ww w . j av a2 s. c o m * @param type * @param url * @return * @throws IOException * @throws HttpException * @throws SAXException * @throws ParseException */ private static Channel fetchChannelViaHTTP(String url) throws HttpException, IOException, SAXException { Digester parser = new XMLDigester(); GetMethod get = new GetMethod(url); //get.setRequestHeader("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; zh-cn) Opera 8.52"); try { http_client.executeMethod(get); if (get.getStatusCode() == HttpServletResponse.SC_OK) { Charset cs = null; Header header_cs = getResponseHeader(get, "Content-Type"); if (header_cs == null) { cs = Charset.forName(get.getResponseCharSet()); } else { String content_type = header_cs.getValue().toLowerCase(); try { Object[] values = content_type_parser.parse(content_type); cs = Charset.forName((String) values[1]); } catch (ParseException e) { URL o_url = new URL(url); String host = o_url.getHost(); Iterator hosts = charsets.keySet().iterator(); while (hosts.hasNext()) { String t_host = (String) hosts.next(); if (host.toLowerCase().endsWith(t_host)) { cs = Charset.forName((String) charsets.get(t_host)); break; } } if (cs == null) cs = default_charset; } } BufferedReader rd = new BufferedReader(new InputStreamReader(get.getResponseBodyAsStream(), cs)); char[] cbuf = new char[1]; int read_idx = 1; do { rd.mark(read_idx++); if (rd.read(cbuf) == -1) break; if (cbuf[0] != '<') continue; rd.reset(); break; } while (true); return (Channel) parser.parse(rd); } else { log.error("Fetch RSS from " + url + " failed, code=" + get.getStatusCode()); } } finally { get.releaseConnection(); } return null; }
From source file:Main.java
public static String findObject(BufferedReader br, String type) throws IOException { String prefix = "-----BEGIN "; String suffix = (type == null) ? "-----" : type + "-----"; while (true) { br.mark(1024);/*w ww. j a va 2 s . c om*/ String line = br.readLine(); if (null == line) { return null; } if (!line.startsWith(prefix)) { continue; } if (!line.endsWith(suffix)) { continue; } br.reset(); return line.substring(prefix.length(), line.length() - 5); } }
From source file:net.sourceforge.users.dragomerlin.vcs2icsCalendarConverter.ConvertSingleFile.java
private static String readPossibleMultiline(String fieldContent, BufferedReader inStream) throws IOException { char[] buf = new char[1]; boolean multilineFound = false; do {//from w w w. j a va 2s .c o m inStream.mark(1); int res = inStream.read(buf); if (res == -1) { throw new IOException("Error while reading multiline: EOF."); } if (buf[0] == ' ') { multilineFound = true; String line = inStream.readLine(); fieldContent += line; } else { multilineFound = false; } } while (multilineFound); inStream.reset(); return fieldContent; }
From source file:nz.net.orcon.kanban.controllers.ResourceController.java
@PreAuthorize("hasPermission(#boardId, 'BOARD', 'ADMIN')") @RequestMapping(value = "/{resourceId}", method = RequestMethod.POST) public @ResponseBody void createResource(@PathVariable String boardId, @PathVariable String resourceId, HttpServletRequest request) throws Exception { logger.info("Saving Resource " + boardId + "/" + resourceId); BufferedReader reader = request.getReader(); reader.reset(); StringBuilder valueBuilder = new StringBuilder(); while (true) { String newValue = reader.readLine(); if (newValue != null) { valueBuilder.append(newValue); valueBuilder.append("\n"); } else {/*from ww w . j ava 2 s . c om*/ break; } } String value = valueBuilder.toString(); logger.info("Resource Text: " + value); ObjectContentManager ocm = ocmFactory.getOcm(); try { listTools.ensurePresence(String.format(URI.BOARD_URI, boardId), "resources", ocm.getSession()); Node node = ocm.getSession().getNode(String.format(URI.RESOURCE_URI, boardId, "")); Node addNode = node.addNode(resourceId); addNode.setProperty("resource", value); addNode.setProperty("name", resourceId); ocm.getSession().save(); } finally { ocm.logout(); } logger.info("Resource Saved " + resourceId); }
From source file:net.sourceforge.vulcan.web.ParameterParsingHttpServletRequestWrapper.java
@SuppressWarnings({ "rawtypes", "unchecked" })
@Override//from ww w . j a v a 2s . co m
public Map getParameterMap() {
if (parameterMap != null) {
return parameterMap;
}
parameterMap = new HashMap<String, String>(super.getParameterMap());
parameterMultiMap = new MultiHashMap();
for (Enumeration e = super.getParameterNames(); e.hasMoreElements();) {
String name = (String) e.nextElement();
for (String v : super.getParameterValues(name)) {
parameterMultiMap.put(name, v);
}
}
if (!StringUtils.equals(getContentType(), "application/x-www-form-urlencoded")) {
return parameterMultiMap;
}
String encoding = getCharacterEncoding();
if (StringUtils.isBlank(encoding)) {
encoding = "UTF-8";
}
try {
BufferedReader reader = getReader();
reader.mark(8192);
String formData = IOUtils.toString(reader);
reader.reset();
for (String kvp : formData.split("&")) {
String[] kv = kvp.split("=");
String key = URLDecoder.decode(kv[0], encoding);
String value = kv.length > 1 ? URLDecoder.decode(kv[1], encoding) : StringUtils.EMPTY;
parameterMultiMap.put(key, value);
if (!parameterMap.containsKey(key)) {
parameterMap.put(key, value);
}
}
} catch (IOException ex) {
throw new RuntimeException(ex);
}
return parameterMap;
}