List of usage examples for java.io Reader close
public abstract void close() throws IOException;
From source file:Main.java
/** * Parses the given input stream and returns the corresponding desirialized * XML document.//from www . ja v a 2 s . c o m * * @param reader the reader containing the serialized XML document * @param isNamespaceAware * @return the deserialized DOM document * @throws Exception */ public static Document readXML(Reader reader, boolean isNamespaceAware) throws Exception { try { DocumentBuilder builder = getDocumentBuilder(isNamespaceAware); InputSource source = new InputSource(reader); Document doc = builder.parse(source); return doc; } finally { reader.close(); } }
From source file:com.weibo.api.motan.protocol.grpc.GrpcUtil.java
public static <T extends Message> MethodDescriptor.Marshaller<T> jsonMarshaller(final T defaultInstance) { final JsonFormat.Printer printer = JsonFormat.printer().preservingProtoFieldNames(); final JsonFormat.Parser parser = JsonFormat.parser(); final Charset charset = Charset.forName("UTF-8"); return new MethodDescriptor.Marshaller<T>() { @Override//w w w . j a v a 2 s. c om public InputStream stream(T value) { try { return new ByteArrayInputStream(printer.print(value).getBytes(charset)); } catch (InvalidProtocolBufferException e) { throw Status.INTERNAL.withCause(e).withDescription("Unable to print json proto") .asRuntimeException(); } } @SuppressWarnings("unchecked") @Override public T parse(InputStream stream) { Message.Builder builder = defaultInstance.newBuilderForType(); Reader reader = new InputStreamReader(stream, charset); T proto; try { parser.merge(reader, builder); proto = (T) builder.build(); reader.close(); } catch (InvalidProtocolBufferException e) { throw Status.INTERNAL.withDescription("Invalid protobuf byte sequence").withCause(e) .asRuntimeException(); } catch (IOException e) { // Same for now, might be unavailable throw Status.INTERNAL.withDescription("Invalid protobuf byte sequence").withCause(e) .asRuntimeException(); } return proto; } }; }
From source file:Main.java
public static String gzipToString(final HttpEntity entity, final String defaultCharset) throws IOException, ParseException { if (entity == null) { throw new IllegalArgumentException("HTTP entity may not be null"); }//from w ww .j av a 2 s . c o m InputStream instream = entity.getContent(); if (instream == null) { return ""; } // gzip logic start if (entity.getContentEncoding().getValue().contains("gzip")) { instream = new GZIPInputStream(instream); } // gzip logic end if (entity.getContentLength() > Integer.MAX_VALUE) { throw new IllegalArgumentException("HTTP entity too large to be buffered in memory"); } int i = (int) entity.getContentLength(); if (i < 0) { i = 4096; } String charset = EntityUtils.getContentCharSet(entity); if (charset == null) { charset = defaultCharset; } if (charset == null) { charset = HTTP.DEFAULT_CONTENT_CHARSET; } Reader reader = new InputStreamReader(instream, charset); CharArrayBuffer buffer = new CharArrayBuffer(i); try { char[] tmp = new char[1024]; int l; while ((l = reader.read(tmp)) != -1) { buffer.append(tmp, 0, l); } } finally { reader.close(); } return buffer.toString(); }
From source file:circleplus.app.http.AbstractHttpApi.java
private static String readStream(InputStream is, int len) throws UnsupportedEncodingException, IOException { Reader reader = new InputStreamReader(is, "UTF-8"); try {/*from w w w . ja va2 s . co m*/ char[] buffer = new char[len]; reader.read(buffer); return new String(buffer); } finally { reader.close(); } }
From source file:net.myrrix.common.io.IOUtils.java
/** * @param url URL whose contents are to be read * @return the contents of the URL, interpreted as a UTF-8 encoded string * @throws IOException if the URL can't be read or the file can't be written *///from w w w. j a v a 2 s .com public static String readSmallTextFromURL(URL url) throws IOException { Reader in = new InputStreamReader(url.openStream(), Charsets.UTF_8); try { return CharStreams.toString(in); } finally { in.close(); } }
From source file:Main.java
/** Returns the remainder of 'reader' as a string, closing it when done. */ public static String readFully(Reader reader) throws IOException { try {//w ww. j a va 2s .c o m StringWriter writer = new StringWriter(); char[] buffer = new char[1024]; int count; while ((count = reader.read(buffer)) != -1) { writer.write(buffer, 0, count); } return writer.toString(); } finally { reader.close(); } }
From source file:net.eusashead.hateoas.hal.http.converter.HalTestUtils.java
/** * Read a Hal {@link ReadableRepresentation} * from the supplied file/*w w w . j a va2 s .c om*/ * @param path * @return */ public static ReadableRepresentation halFromFile(String path) { Reader reader = null; try { reader = new FileReader(new File(path)); return representationFactory.readRepresentation(reader); } catch (FileNotFoundException e) { throw new IllegalArgumentException(e); } finally { try { if (reader != null) reader.close(); } catch (IOException e) { log.error(e); } } }
From source file:nl.igorski.lib.utils.network.ResponseParser.java
private static String _getResponseBody(final HttpEntity entity) throws IOException, ParseException { if (entity == null) throw new IllegalArgumentException("HTTP entity may not be null"); InputStream instream = entity.getContent(); if (instream == null) return ""; if (entity.getContentLength() > Integer.MAX_VALUE) throw new IllegalArgumentException("HTTP entity too large to be buffered in memory"); String charset = getContentCharSet(entity); if (charset == null) charset = HTTP.DEFAULT_CONTENT_CHARSET; Reader reader = new InputStreamReader(instream, charset); StringBuilder buffer = new StringBuilder(); try {/*from w w w .jav a 2 s.co m*/ char[] tmp = new char[1024]; int l; while ((l = reader.read(tmp)) != -1) { buffer.append(tmp, 0, l); } } finally { reader.close(); } return buffer.toString(); }
From source file:gdv.xport.util.AbstractFormatterTest.java
/** * Hier exportieren wir die Musterdatei mit dem uebergebenen * {@link AbstractFormatter}. Im Gegensatz zu * {@link #exportMusterdatei(AbstractFormatter, String)} verwenden wir * hier den {@link DatenpaketStreamer} und das {@link ImportListener} * interface, um den Export durchzufuehren. * * @param formatter the formatter//from w w w. j ava 2 s .co m * @throws IOException Signals that an I/O exception has occurred. */ protected static void exportMusterdatei(final AbstractFormatter formatter) throws IOException { Reader reader = new InputStreamReader(new FileInputStream(MUSTERDATEI), "ISO-8859-1"); DatenpaketStreamer datenpaketStreamer = new DatenpaketStreamer(reader); datenpaketStreamer.register(formatter); try { datenpaketStreamer.readDatenpaket(); } finally { reader.close(); } }
From source file:no.digipost.android.utilities.JSONUtilities.java
public static String getJsonStringFromInputStream(final InputStream inputStream) { String content = ""; if (inputStream != null) { Writer writer = new StringWriter(); int buffer_size = 1024; char[] buffer = new char[buffer_size]; try {//w w w . ja v a 2 s. com Reader reader = new BufferedReader(new InputStreamReader(inputStream, ApiConstants.ENCODING), buffer_size); int n; while ((n = reader.read(buffer)) != -1) { writer.write(buffer, 0, n); } inputStream.close(); reader.close(); writer.close(); } catch (Exception e) { } content = writer.toString(); } return content; }