List of usage examples for java.util.zip InflaterInputStream read
public int read(byte b[]) throws IOException
b.length bytes of data from this input stream into an array of bytes. From source file:PNGDecoder.java
public byte[] getImageData() { try {/*from w w w. j a v a2s.co m*/ ByteArrayOutputStream out = new ByteArrayOutputStream(); // Write all the IDAT data into the array. for (int i = 0; i < mNumberOfChunks; i++) { PNGChunk chunk = mChunks[i]; if (chunk.getTypeString().equals("IDAT")) { out.write(chunk.getData()); } } out.flush(); // Now deflate the data. InflaterInputStream in = new InflaterInputStream(new ByteArrayInputStream(out.toByteArray())); ByteArrayOutputStream inflatedOut = new ByteArrayOutputStream(); int readLength; byte[] block = new byte[8192]; while ((readLength = in.read(block)) != -1) inflatedOut.write(block, 0, readLength); inflatedOut.flush(); byte[] imageData = inflatedOut.toByteArray(); // Compute the real length. int width = (int) getWidth(); int height = (int) getHeight(); int bitsPerPixel = getBitsPerPixel(); int length = width * height * bitsPerPixel / 8; byte[] prunedData = new byte[length]; // We can only deal with non-interlaced images. if (getInterlace() == 0) { int index = 0; for (int i = 0; i < length; i++) { if ((i * 8 / bitsPerPixel) % width == 0) { index++; // Skip the filter byte. } prunedData[i] = imageData[index++]; } } else System.out.println("Couldn't undo interlacing."); return prunedData; } catch (IOException ioe) { } return null; }
From source file:auth.ProcessResponseServlet.java
private String decodeAuthnRequestXML(String encodedRequestXmlString) throws SamlException { try {// w w w .j a v a2s .c om // URL decode // No need to URL decode: auto decoded by request.getParameter() method // Base64 decode Base64 base64Decoder = new Base64(); byte[] xmlBytes = encodedRequestXmlString.getBytes("UTF-8"); byte[] base64DecodedByteArray = base64Decoder.decode(xmlBytes); //Uncompress the AuthnRequest data //First attempt to unzip the byte array according to DEFLATE (rfc 1951) try { Inflater inflater = new Inflater(true); inflater.setInput(base64DecodedByteArray); // since we are decompressing, it's impossible to know how much space we // might need; hopefully this number is suitably big byte[] xmlMessageBytes = new byte[5000]; int resultLength = inflater.inflate(xmlMessageBytes); if (!inflater.finished()) { throw new RuntimeException("didn't allocate enough space to hold " + "decompressed data"); } inflater.end(); return new String(xmlMessageBytes, 0, resultLength, "UTF-8"); } catch (DataFormatException e) { // if DEFLATE fails, then attempt to unzip the byte array according to // zlib (rfc 1950) ByteArrayInputStream bais = new ByteArrayInputStream(base64DecodedByteArray); ByteArrayOutputStream baos = new ByteArrayOutputStream(); InflaterInputStream iis = new InflaterInputStream(bais); byte[] buf = new byte[1024]; int count = iis.read(buf); while (count != -1) { baos.write(buf, 0, count); count = iis.read(buf); } iis.close(); return new String(baos.toByteArray()); } } catch (UnsupportedEncodingException e) { throw new SamlException("Error decoding AuthnRequest: " + "Check decoding scheme - " + e.getMessage()); } catch (IOException e) { throw new SamlException("Error decoding AuthnRequest: " + "Check decoding scheme - " + e.getMessage()); } }
From source file:fabiogentile.powertutor.ui.UMLogger.java
@Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case MENU_PREFERENCES: startActivity(new Intent(this, EditPreferences.class)); return true; case MENU_SAVE_LOG: new Thread() { public void start() { File writeFile = new File(Environment.getExternalStorageDirectory(), "PowerTrace" + System.currentTimeMillis() + ".log"); try { InflaterInputStream logIn = new InflaterInputStream(openFileInput("PowerTrace.log")); BufferedOutputStream logOut = new BufferedOutputStream(new FileOutputStream(writeFile)); byte[] buffer = new byte[20480]; for (int ln = logIn.read(buffer); ln != -1; ln = logIn.read(buffer)) { logOut.write(buffer, 0, ln); }//from w w w . ja v a 2 s . c om logIn.close(); logOut.close(); Toast.makeText(UMLogger.this, "Wrote log to " + writeFile.getAbsolutePath(), Toast.LENGTH_SHORT).show(); return; } catch (EOFException e) { Toast.makeText(UMLogger.this, "Wrote log to " + writeFile.getAbsolutePath(), Toast.LENGTH_SHORT).show(); return; } catch (IOException e) { Log.e(TAG, "failed to save log: " + e.getMessage()); } Toast.makeText(UMLogger.this, "Failed to write log to sdcard", Toast.LENGTH_SHORT).show(); } }.start(); return true; } return super.onOptionsItemSelected(item); }
From source file:org.fastcatsearch.ir.document.DocumentWriter.java
public Document readDocument(int docNo) throws IOException, IRException { long prevPosPos = positionOutput.position(); long docPos = -1; try {/*from w ww . j a v a 2 s . c om*/ long positionOffset = ((long) docNo) * IOUtil.SIZE_OF_LONG; positionOutput.seek(positionOffset); docPos = IOUtil.readLong(positionOutput.getRaf()); } finally { positionOutput.seek(prevPosPos); } // find a document block long prevDocPos = docOutput.position(); try { docOutput.seek(docPos); RandomAccessFile raf = docOutput.getRaf(); int len = IOUtil.readInt(raf); long n = raf.getFilePointer(); InputStream docInput = Channels.newInputStream(docOutput.getRaf().getChannel().position(n)); //2014-11-26 ? working ? ? ? GC ?? OOM ? ?. // Stream . InflaterInputStream decompressInputStream = null; inflaterOutput.reset(); int count = -1; try { BoundedInputStream boundedInputStream = new BoundedInputStream(docInput, len); boundedInputStream.setPropagateClose(false);// docInput . decompressInputStream = new InflaterInputStream(boundedInputStream, new Inflater(), 512); while ((count = decompressInputStream.read(workingBuffer)) != -1) { inflaterOutput.write(workingBuffer, 0, count); } } finally { decompressInputStream.close(); } } finally { docOutput.seek(prevDocPos); } BytesRef bytesRef = inflaterOutput.getBytesRef(); DataInput bai = new BytesDataInput(bytesRef.bytes, 0, bytesRef.length); Document document = new Document(fields.size()); for (int i = 0; i < fields.size(); i++) { FieldSetting fs = fields.get(i); Field f = null; boolean hasValue = bai.readBoolean(); if (hasValue) { f = fs.createEmptyField(); f.readRawFrom(bai); } else { f = fs.createEmptyField(); } if (f != null) { String multiValueDelimiter = fs.getMultiValueDelimiter(); try { f.parseIndexable(multiValueDelimiter); } catch (FieldDataParseException e) { throw new IOException(e); } } document.add(f); } document.setDocId(docNo); return document; }
From source file:org.fastcatsearch.ir.document.DocumentReader.java
public Document readDocument(int docNo, boolean[] fieldSelectOption, boolean indexable) throws IOException { // if(docNo < baseDocNo) throw new // IOException("Request docNo cannot less than baseDocNo! docNo = "+docNo+", baseDocNo = "+baseDocNo); // baseDocNo? . // docNo -= baseDocNo; DataInput bai = null;//from w ww.j a v a2 s. c o m if (docNo != lastDocNo) { long positionOffset = docNo * IOUtil.SIZE_OF_LONG; if (positionOffset >= positionLimit) { //. return null; } positionInput.seek(positionOffset); long pos = positionInput.readLong(); // find a document block docInput.seek(pos); int len = docInput.readInt(); //2014-11-26 ? working ? ? ? GC ?? OOM ? ?. // Stream . InflaterInputStream decompressInputStream = null; inflaterOutput.reset(); int count = -1; try { BoundedInputStream boundedInputStream = new BoundedInputStream(docInput, len); boundedInputStream.setPropagateClose(false);// docInput . decompressInputStream = new InflaterInputStream(boundedInputStream, new Inflater(), 512); while ((count = decompressInputStream.read(workingBuffer)) != -1) { inflaterOutput.write(workingBuffer, 0, count); } } finally { decompressInputStream.close(); } BytesRef bytesRef = inflaterOutput.getBytesRef(); bai = new BytesDataInput(bytesRef.bytes, 0, bytesRef.length); lastDocNo = docNo; lastBai = bai; } else { lastBai.reset(); bai = lastBai; } Document document = new Document(fields.size()); for (int i = 0; i < fields.size(); i++) { FieldSetting fs = fields.get(i); Field f = null; boolean hasValue = bai.readBoolean(); // logger.debug("read hasValue={}, select={}, fs={} ", hasValue, fieldSelectOption, fs); if (hasValue) { //1. fieldSelectOption ? ? ??. //2. ? , true? ? ?. if (fieldSelectOption == null || (fieldSelectOption != null && fieldSelectOption[i])) { f = fs.createEmptyField(); f.readRawFrom(bai); } else { bai.skipVIntData(); } // logger.debug("fill {} >> {}", i, f); } else { //? ? . f = fs.createEmptyField(); // logger.debug("fill {} >> empty", i); } if (f != null && indexable) { String multiValueDelimiter = fs.getMultiValueDelimiter(); try { f.parseIndexable(multiValueDelimiter); } catch (FieldDataParseException e) { throw new IOException(e); } } document.set(i, f); } document.setDocId(docNo + baseDocNo); return document; }
From source file:com.tremolosecurity.idp.providers.Saml2Idp.java
private String inflate(String saml) throws Exception { byte[] compressedData = Base64.decodeBase64(saml); ByteArrayInputStream bin = new ByteArrayInputStream(compressedData); InflaterInputStream decompressor = new InflaterInputStream(bin, new Inflater(true)); //decompressor.setInput(compressedData); // Create an expandable byte array to hold the decompressed data ByteArrayOutputStream bos = new ByteArrayOutputStream(compressedData.length); // Decompress the data byte[] buf = new byte[1024]; int len;//from w w w .ja va 2 s. c o m while ((len = decompressor.read(buf)) > 0) { bos.write(buf, 0, len); } try { bos.close(); } catch (IOException e) { } // Get the decompressed data byte[] decompressedData = bos.toByteArray(); String decoded = new String(decompressedData); return decoded; }
From source file:com.tremolosecurity.idp.providers.OpenIDConnectIdP.java
private String inflate(String saml) throws Exception { byte[] compressedData = org.bouncycastle.util.encoders.Base64.decode(saml); ByteArrayInputStream bin = new ByteArrayInputStream(compressedData); InflaterInputStream decompressor = new InflaterInputStream(bin, new Inflater(true)); //decompressor.setInput(compressedData); // Create an expandable byte array to hold the decompressed data ByteArrayOutputStream bos = new ByteArrayOutputStream(compressedData.length); // Decompress the data byte[] buf = new byte[1024]; int len;/*ww w . j a v a 2 s . c om*/ while ((len = decompressor.read(buf)) > 0) { bos.write(buf, 0, len); } try { bos.close(); } catch (IOException e) { } // Get the decompressed data byte[] decompressedData = bos.toByteArray(); String decoded = new String(decompressedData); return decoded; }
From source file:com.qut.middleware.esoe.sso.plugins.redirect.handler.impl.RedirectLogicImpl.java
private AuthnRequest getRedirectRequest(SSOProcessorData data, RedirectBindingData bindingData) throws RedirectBindingException { InflaterInputStream inflaterStream = null; ByteArrayOutputStream inflatedByteStream = null; byte[] chunk = new byte[TMP_BUFFER_SIZE]; boolean signed = (bindingData.getSignature() != null && bindingData.getSignature().length() > 0); SSOProcessor ssoProcessor = data.getSSOProcessor(); String remoteAddress = data.getRemoteAddress(); try {/* w ww . j av a 2s.c o m*/ if (bindingData.getSAMLRequestString() == null || bindingData.getSAMLRequestString().length() <= 0) { ssoProcessor.createStatusAuthnResponse(data, StatusCodeConstants.requester, null, "No AuthnRequest document was supplied to the Redirect binding.", true); this.logger.error( "[SSO for {}] Redirect binding failed: No AuthnRequest document was supplied in the request.", remoteAddress); throw new RedirectBindingException( "Redirect binding failed as no AuthnRequest document was supplied in the request."); } if (bindingData.getRequestEncoding() != null && !bindingData.getRequestEncoding().equals(BindingConstants.deflateEncoding)) { ssoProcessor.createStatusAuthnResponse(data, StatusCodeConstants.requester, null, "The given SAML Request encoding is not supported in this implementation.", true); this.logger.error( "[SSO for {}] Redirect binding failed: SAML Request encoding '{}' is not supported in the current implementation.", new Object[] { remoteAddress, bindingData.getRequestEncoding() }); throw new RedirectBindingException( "Redirect binding failed as the given SAML Request encoding is not supported in the current implementation."); } if (bindingData.getSignature() != null) { ssoProcessor.createStatusAuthnResponse(data, StatusCodeConstants.requester, null, "Signed Redirect binding documents are not supported in this implementation.", true); this.logger.error( "[SSO for {}] Redirect binding failed: Signed Redirect binding documents are not supported in the current implementation.", remoteAddress); throw new RedirectBindingException( "Redirect binding failed as Signed Redirect binding documents are not supported in the current implementation."); } } catch (SSOException e) { this.logger.error("[SSO for {}] Redirect binding failed to generate an error response. Error was: {}", new Object[] { remoteAddress, e.getMessage() }); throw new RedirectBindingException( "Redirect binding failed to generate an error reponse. Original error follows", e); } try { /* * Retrieves the AuthnRequest from the encoded and compressed String extracted from the request of SAML HTTP * Redirect. The AuthnRequest XML is retrieved in the following order: 1. Base64 decode, 2. Inflate */ byte[] decodedBytes = Base64.decodeBase64(bindingData.getSAMLRequestString().getBytes()); ByteArrayInputStream decodedByteStream = new ByteArrayInputStream(decodedBytes); inflaterStream = new InflaterInputStream(decodedByteStream, new Inflater(true)); inflatedByteStream = new ByteArrayOutputStream(); int writeCount = 0; int count = 0; // Inflate and dump in the output stream to build a byte array. while ((count = inflaterStream.read(chunk)) >= 0) { inflatedByteStream.write(chunk, 0, count); writeCount = writeCount + count; } byte[] samlRequestDocument = inflatedByteStream.toByteArray(); AuthnRequest authnRequest = ssoProcessor.unmarshallRequest(samlRequestDocument, signed); this.logger.debug("[SSO for {}] AuthnRequest was unmarshalled successfully by the SSO Processor", remoteAddress); return authnRequest; } catch (IOException e) { this.logger.error( "[SSO for {}] IO exception occurred while inflating the request document. Error was: {}", new Object[] { remoteAddress, e.getMessage() }); throw new RedirectBindingException("IO exception occurred while inflating the request document."); } catch (SignatureValueException e) { this.logger.error( "[SSO for {}] Signature value exception occurred while trying to unmarshal the redirect request. Error was: {}", new Object[] { remoteAddress, e.getMessage() }); this.logger.debug( "[SSO for {}] Signature value exception occurred while trying to unmarshal the redirect request. Exception follows", remoteAddress, e); throw new RedirectBindingException( "Signature value exception occurred while trying to unmarshal the redirect request."); } catch (ReferenceValueException e) { this.logger.error( "[SSO for {}] Reference value exception occurred while unmarshalling the redirect request. Error was: {}", new Object[] { remoteAddress, e.getMessage() }); this.logger.debug( "[SSO for {}] Reference value exception occurred while unmarshalling the redirect request. Exception follows", remoteAddress, e); throw new RedirectBindingException( "Reference value exception occurred while unmarshalling the redirect request."); } catch (UnmarshallerException e) { this.logger.error( "[SSO for {}] Unmarshaller exception occurred while unmarshalling the redirect request. Error was: {}", new Object[] { remoteAddress, e.getMessage() }); this.logger.debug( "[SSO for {}] Unmarshaller exception occurred while unmarshalling the redirect request. Exception follows", remoteAddress, e); throw new RedirectBindingException( "Unmarshaller exception occurred while unmarshalling the redirect request."); } finally { try { if (inflatedByteStream != null) { inflatedByteStream.reset(); inflatedByteStream.close(); } if (inflaterStream != null) inflaterStream.close(); } catch (IOException e) { this.logger.error("Unable to close stream correctly - " + e.getLocalizedMessage()); this.logger.debug(e.getLocalizedMessage(), e); } } }