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ByteOrder LITTLE_ENDIAN
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From source file:edu.harvard.iq.dvn.ingest.statdataio.impl.plugins.dta.DTAFileReader.java
private void decodeDescriptorVarSortList(BufferedInputStream stream, int nvar) throws IOException { int length_var_sort_list = VAR_SORT_FIELD_LENGTH * (nvar + 1); if (dbgLog.isLoggable(Level.FINE)) dbgLog.fine("length_var_sort_list=" + length_var_sort_list); byte[] varSortList = new byte[length_var_sort_list]; short[] variableSortList = new short[nvar + 1]; int nbytes = stream.read(varSortList, 0, length_var_sort_list); if (nbytes == 0) { throw new IOException("reading error: the varSortList"); }//from w ww . j ava 2 s . c o m int offset_start = 0; for (int i = 0; i <= nvar; i++) { ByteBuffer bb_varSortList = ByteBuffer.wrap(varSortList, offset_start, VAR_SORT_FIELD_LENGTH); if (isLittleEndian) { bb_varSortList.order(ByteOrder.LITTLE_ENDIAN); } variableSortList[i] = bb_varSortList.getShort(); offset_start += VAR_SORT_FIELD_LENGTH; } if (dbgLog.isLoggable(Level.FINE)) dbgLog.fine("variableSortList=" + Arrays.toString(variableSortList)); }
From source file:nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.PebbleProtocol.java
byte[] encodeActivateHealth(boolean activate) { byte[] blob;/*from w w w. j ava 2 s. c o m*/ if (activate) { ByteBuffer buf = ByteBuffer.allocate(9); buf.order(ByteOrder.LITTLE_ENDIAN); ActivityUser activityUser = new ActivityUser(); Integer heightMm = activityUser.getHeightCm() * 10; buf.putShort(heightMm.shortValue()); Integer weigthDag = activityUser.getWeightKg() * 100; buf.putShort(weigthDag.shortValue()); buf.put((byte) 0x01); //activate tracking buf.put((byte) 0x00); //activity Insights buf.put((byte) 0x00); //sleep Insights buf.put((byte) activityUser.getAge()); buf.put((byte) activityUser.getGender()); blob = buf.array(); } else { blob = new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; } return encodeBlobdb("activityPreferences", BLOBDB_INSERT, BLOBDB_PREFERENCES, blob); }
From source file:au.org.ala.layers.intersect.Grid.java
/** * for DomainGenerator// w w w .j av a 2s . c om * <p/> * writes out a list of double (same as getGrid() returns) to a file * <p/> * byteorderlsb * data type, FLOAT * * @param newfilename * @param dfiltered */ public void writeGrid(String newfilename, int[] dfiltered, double xmin, double ymin, double xmax, double ymax, double xres, double yres, int nrows, int ncols) { int size, i, length = dfiltered.length; double maxvalue = Integer.MAX_VALUE * -1; double minvalue = Integer.MAX_VALUE; //write data as whole file RandomAccessFile afile = null; try { //read of random access file can throw an exception afile = new RandomAccessFile(newfilename + ".gri", "rw"); size = 4; byte[] b = new byte[size * length]; ByteBuffer bb = ByteBuffer.wrap(b); if (byteorderLSB) { bb.order(ByteOrder.LITTLE_ENDIAN); } else { bb.order(ByteOrder.BIG_ENDIAN); } for (i = 0; i < length; i++) { bb.putInt(dfiltered[i]); } afile.write(b); } catch (Exception e) { logger.error("error writing grid file", e); } finally { if (afile != null) { try { afile.close(); } catch (Exception e) { logger.error(e.getMessage(), e); } } } writeHeader(newfilename, xmin, ymin, xmin + xres * ncols, ymin + yres * nrows, xres, yres, nrows, ncols, minvalue, maxvalue, "INT4BYTES", "-9999"); }
From source file:edu.harvard.iq.dvn.ingest.statdataio.impl.plugins.sav.SAVFileReader.java
void decodeRecordType2(BufferedInputStream stream) throws IOException { dbgLog.fine("***** decodeRecordType2(): start *****"); if (stream == null) { throw new IllegalArgumentException("stream == null!"); }/* w w w.j av a2 s. c o m*/ Map<String, String> variableLabelMap = new LinkedHashMap<String, String>(); Map<String, List<String>> missingValueTable = new LinkedHashMap<String, List<String>>(); List<Integer> printFormatList = new ArrayList<Integer>(); String caseWeightVariableName = null; int caseWeightVariableIndex = 0; boolean lastVariableIsExtendable = false; boolean extendedVariableMode = false; boolean obs255 = false; String lastVariableName = null; String lastExtendedVariable = null; // this field repeats as many as the number of variables in // this sav file // (note that the above statement is not technically correct, this // record repeats not just for every variable in the file, but for // every OBS (8 byte unit); i.e., if a string is split into multiple // OBS units, each one will have its own RT2 record -- L.A.). // Each field constists of a fixed (32-byte) segment and // then a few variable segments: // if the variable has a label (3rd INT4 set to 1), then there's 4 more // bytes specifying the length of the label, and then that many bytes // holding the label itself (no more than 256). // Then if there are optional missing value units (4th INT4 set to 1) // there will be 3 more OBS units attached = 24 extra bytes. int variableCounter = 0; int obsSeqNumber = 0; int j; dbgLog.fine("RT2: Reading " + OBSUnitsPerCase + " OBS units."); for (j = 0; j < OBSUnitsPerCase; j++) { dbgLog.fine("RT2: \n\n+++++++++++ " + j + "-th RT2 unit is to be decoded +++++++++++"); // 2.0: read the fixed[=non-optional] 32-byte segment byte[] recordType2Fixed = new byte[LENGTH_RECORDTYPE2_FIXED]; try { int nbytes = stream.read(recordType2Fixed, 0, LENGTH_RECORDTYPE2_FIXED); //printHexDump(recordType2Fixed, "recordType2 part 1"); if (nbytes == 0) { throw new IOException("reading recordType2: no bytes read!"); } int offset = 0; // 2.1: create int-view of the bytebuffer for the first 16-byte segment int rt2_1st_4_units = 4; ByteBuffer[] bb_record_type2_fixed_part1 = new ByteBuffer[rt2_1st_4_units]; int[] recordType2FixedPart1 = new int[rt2_1st_4_units]; for (int i = 0; i < rt2_1st_4_units; i++) { bb_record_type2_fixed_part1[i] = ByteBuffer.wrap(recordType2Fixed, offset, LENGTH_SAV_INT_BLOCK); offset += LENGTH_SAV_INT_BLOCK; if (isLittleEndian) { bb_record_type2_fixed_part1[i].order(ByteOrder.LITTLE_ENDIAN); } recordType2FixedPart1[i] = bb_record_type2_fixed_part1[i].getInt(); } dbgLog.fine("recordType2FixedPart=" + ReflectionToStringBuilder.toString(recordType2FixedPart1, ToStringStyle.MULTI_LINE_STYLE)); // 1st ([0]) element must be 2 otherwise no longer Record Type 2 if (recordType2FixedPart1[0] != 2) { dbgLog.info(j + "-th RT header value is no longet RT2! " + recordType2FixedPart1[0]); break; //throw new IOException("RT2 reading error: The current position is no longer Record Type 2"); } dbgLog.fine("variable type[must be 2]=" + recordType2FixedPart1[0]); // 2.3 variable name: 8 byte(space[x20]-padded) // This field is located at the very end of the 32 byte // fixed-size RT2 header (bytes 24-31). // We are processing it now, so that // we can make the decision on whether this variable is part // of a compound variable: String RawVariableName = new String( Arrays.copyOfRange(recordType2Fixed, 24, (24 + LENGTH_VARIABLE_NAME)), defaultCharSet); //offset +=LENGTH_VARIABLE_NAME; String variableName = null; if (RawVariableName.indexOf(' ') >= 0) { variableName = RawVariableName.substring(0, RawVariableName.indexOf(' ')); } else { variableName = RawVariableName; } // 2nd ([1]) element: numeric variable = 0 :for string variable // this block indicates its datum-length, i.e, >0 ; // if -1, this RT2 unit is a non-1st RT2 unit for a string variable // whose value is longer than 8 character. boolean isNumericVariable = false; dbgLog.fine("variable type(0: numeric; > 0: String;-1 continue )=" + recordType2FixedPart1[1]); //OBSwiseTypelList.add(recordType2FixedPart1[1]); int HowManyRt2Units = 1; if (recordType2FixedPart1[1] == -1) { dbgLog.fine("this RT2 is an 8 bit continuation chunk of an earlier string variable"); if (obs255) { if (obsSeqNumber < 30) { OBSwiseTypelList.add(recordType2FixedPart1[1]); obsSeqNumber++; } else { OBSwiseTypelList.add(-2); obs255 = false; obsSeqNumber = 0; } } else { OBSwiseTypelList.add(recordType2FixedPart1[1]); } obsNonVariableBlockSet.add(j); continue; } else if (recordType2FixedPart1[1] == 0) { // This is a numeric variable extendedVariableMode = false; // And as such, it cannot be an extension of a // previous, long string variable. OBSwiseTypelList.add(recordType2FixedPart1[1]); variableCounter++; isNumericVariable = true; variableTypelList.add(recordType2FixedPart1[1]); } else if (recordType2FixedPart1[1] > 0) { // This looks like a regular string variable. However, // it may still be a part of a compound variable // (a String > 255 bytes that was split into 255 byte // chunks, stored as individual String variables). if (recordType2FixedPart1[1] == 255) { obs255 = true; } if (lastVariableIsExtendable) { String varNameBase = null; if (lastVariableName.length() > 5) { varNameBase = lastVariableName.substring(0, 5); } else { varNameBase = lastVariableName; } if (extendedVariableMode) { if (variableNameIsAnIncrement(varNameBase, lastExtendedVariable, variableName)) { OBSwiseTypelList.add(-1); lastExtendedVariable = variableName; // OK, we stay in the "extended variable" mode; // but we can't move on to the next OBS (hence the commented out // "continue" below: //continue; // see the next comment below for the explanation. // // Should we also set "extendable" flag to false at this point // if it's shorter than 255 bytes, i.e. the last extended chunk? } else { extendedVariableMode = false; } } else { if (variableNameIsAnIncrement(varNameBase, variableName)) { OBSwiseTypelList.add(-1); extendedVariableMode = true; dbgLog.fine("RT2: in extended variable mode; variable " + variableName); lastExtendedVariable = variableName; // Before we move on to the next OBS unit, we need to check // if this current extended variable has its own label specified; // If so, we need to determine its length, then read and skip // that many bytes. // Hence the commented out "continue" below: //continue; } } } if (!extendedVariableMode) { // OK, this is a "real" // string variable, and not a continuation chunk of a compound // string. OBSwiseTypelList.add(recordType2FixedPart1[1]); variableCounter++; if (recordType2FixedPart1[1] == 255) { // This variable is 255 bytes long, i.e. this is // either the single "atomic" variable of the // max allowed size, or it's a 255 byte segment // of a compound variable. So we will check // the next variable and see if it is the continuation // of this one. lastVariableIsExtendable = true; } else { lastVariableIsExtendable = false; } if (recordType2FixedPart1[1] % LENGTH_SAV_OBS_BLOCK == 0) { HowManyRt2Units = recordType2FixedPart1[1] / LENGTH_SAV_OBS_BLOCK; } else { HowManyRt2Units = recordType2FixedPart1[1] / LENGTH_SAV_OBS_BLOCK + 1; } variableTypelList.add(recordType2FixedPart1[1]); } } if (!extendedVariableMode) { // Again, we only want to do the following steps for the "real" // variables, not the chunks of split mega-variables: dbgLog.fine("RT2: HowManyRt2Units for this variable=" + HowManyRt2Units); lastVariableName = variableName; // caseWeightVariableOBSIndex starts from 1: 0 is used for does-not-exist cases if (j == (caseWeightVariableOBSIndex - 1)) { caseWeightVariableName = variableName; caseWeightVariableIndex = variableCounter; smd.setCaseWeightVariableName(caseWeightVariableName); smd.getFileInformation().put("caseWeightVariableIndex", caseWeightVariableIndex); } OBSIndexToVariableName.put(j, variableName); //dbgLog.fine("\nvariable name="+variableName+"<-"); dbgLog.fine("RT2: " + j + "-th variable name=" + variableName + "<-"); dbgLog.fine("RT2: raw variable: " + RawVariableName); variableNameList.add(variableName); } // 3rd ([2]) element: = 1 variable-label block follows; 0 = no label // dbgLog.fine("RT: variable label follows?(1:yes; 0: no)=" + recordType2FixedPart1[2]); boolean hasVariableLabel = recordType2FixedPart1[2] == 1 ? true : false; if ((recordType2FixedPart1[2] != 0) && (recordType2FixedPart1[2] != 1)) { throw new IOException("RT2: reading error: value is neither 0 or 1" + recordType2FixedPart1[2]); } // 2.4 [optional]The length of a variable label followed: 4-byte int // 3rd element of 2.1 indicates whether this field exists // *** warning: The label block is padded to a multiple of the 4-byte // NOT the raw integer value of this 4-byte block if (hasVariableLabel) { byte[] length_variable_label = new byte[4]; int nbytes_2_4 = stream.read(length_variable_label); if (nbytes_2_4 == 0) { throw new IOException("RT 2: error reading recordType2.4: no bytes read!"); } else { dbgLog.fine("nbytes_2_4=" + nbytes_2_4); } ByteBuffer bb_length_variable_label = ByteBuffer.wrap(length_variable_label, 0, LENGTH_VARIABLE_LABEL); if (isLittleEndian) { bb_length_variable_label.order(ByteOrder.LITTLE_ENDIAN); } int rawVariableLabelLength = bb_length_variable_label.getInt(); dbgLog.fine("rawVariableLabelLength=" + rawVariableLabelLength); int variableLabelLength = getSAVintAdjustedBlockLength(rawVariableLabelLength); dbgLog.fine("RT2: variableLabelLength=" + variableLabelLength); // 2.5 [optional]variable label whose length is found at 2.4 String variableLabel = ""; if (rawVariableLabelLength > 0) { byte[] variable_label = new byte[variableLabelLength]; int nbytes_2_5 = stream.read(variable_label); if (nbytes_2_5 == 0) { throw new IOException("RT 2: error reading recordType2.5: " + variableLabelLength + " bytes requested, no bytes read!"); } else { dbgLog.fine("nbytes_2_5=" + nbytes_2_5); } variableLabel = new String(Arrays.copyOfRange(variable_label, 0, rawVariableLabelLength), defaultCharSet); dbgLog.fine("RT2: variableLabel=" + variableLabel + "<-"); dbgLog.info(variableName + " => " + variableLabel); } else { dbgLog.fine("RT2: defaulting to empty variable label."); } if (!extendedVariableMode) { // We only have any use for this label if it's a "real" variable. // Thinking about it, it doesn't make much sense for the "fake" // variables that are actually chunks of large strings to store // their own labels. But in some files they do. Then failing to read // the bytes would result in getting out of sync with the RT record // borders. So we always read the bytes, but only use them for // the real variable entries. /*String variableLabel = new String(Arrays.copyOfRange(variable_label, 0, rawVariableLabelLength),"US-ASCII");*/ variableLabelMap.put(variableName, variableLabel); } } if (extendedVariableMode) { // there's nothing else left for us to do in this iteration of the loop. // Once again, this was not a real variable, but a dummy variable entry // created for a chunk of a string variable longer than 255 bytes -- // that's how SPSS stores them. continue; } // 4th ([3]) element: Missing value type code // 0[none], 1, 2, 3 [point-type],-2[range], -3 [range type+ point] dbgLog.fine("RT: missing value unit follows?(if 0, none)=" + recordType2FixedPart1[3]); boolean hasMissingValues = (validMissingValueCodeSet.contains(recordType2FixedPart1[3]) && (recordType2FixedPart1[3] != 0)) ? true : false; InvalidData invalidDataInfo = null; if (recordType2FixedPart1[3] != 0) { invalidDataInfo = new InvalidData(recordType2FixedPart1[3]); dbgLog.fine("RT: missing value type=" + invalidDataInfo.getType()); } // 2.2: print/write formats: 4-byte each = 8 bytes byte[] printFormt = Arrays.copyOfRange(recordType2Fixed, offset, offset + LENGTH_PRINT_FORMAT_CODE); dbgLog.fine("printFrmt=" + new String(Hex.encodeHex(printFormt))); offset += LENGTH_PRINT_FORMAT_CODE; int formatCode = isLittleEndian ? printFormt[2] : printFormt[1]; int formatWidth = isLittleEndian ? printFormt[1] : printFormt[2]; int formatDecimalPointPosition = isLittleEndian ? printFormt[0] : printFormt[3]; dbgLog.fine("RT2: format code{5=F, 1=A[String]}=" + formatCode); formatDecimalPointPositionList.add(formatDecimalPointPosition); if (!SPSSConstants.FORMAT_CODE_TABLE_SAV.containsKey(formatCode)) { throw new IOException("Unknown format code was found = " + formatCode); } else { printFormatList.add(formatCode); } byte[] writeFormt = Arrays.copyOfRange(recordType2Fixed, offset, offset + LENGTH_WRITE_FORMAT_CODE); dbgLog.fine("RT2: writeFrmt=" + new String(Hex.encodeHex(writeFormt))); if (writeFormt[3] != 0x00) { dbgLog.fine("byte-order(write format): reversal required"); } offset += LENGTH_WRITE_FORMAT_CODE; if (!SPSSConstants.ORDINARY_FORMAT_CODE_SET.contains(formatCode)) { StringBuilder sb = new StringBuilder( SPSSConstants.FORMAT_CODE_TABLE_SAV.get(formatCode) + formatWidth); if (formatDecimalPointPosition > 0) { sb.append("." + formatDecimalPointPosition); } dbgLog.info("formattable[i] = " + variableName + " -> " + sb.toString()); printFormatNameTable.put(variableName, sb.toString()); } printFormatTable.put(variableName, SPSSConstants.FORMAT_CODE_TABLE_SAV.get(formatCode)); // 2.6 [optional] missing values:4-byte each if exists // 4th element of 2.1 indicates the structure of this sub-field // Should we perhaps check for this for the "fake" variables too? // if (hasMissingValues) { dbgLog.fine("RT2: decoding missing value: type=" + recordType2FixedPart1[3]); int howManyMissingValueUnits = missingValueCodeUnits.get(recordType2FixedPart1[3]); //int howManyMissingValueUnits = recordType2FixedPart1[3] > 0 ? recordType2FixedPart1[3] : 0; dbgLog.fine("RT2: howManyMissingValueUnits=" + howManyMissingValueUnits); byte[] missing_value_code_units = new byte[LENGTH_SAV_OBS_BLOCK * howManyMissingValueUnits]; int nbytes_2_6 = stream.read(missing_value_code_units); if (nbytes_2_6 == 0) { throw new IOException("RT 2: reading recordType2.6: no byte was read"); } else { dbgLog.fine("nbytes_2_6=" + nbytes_2_6); } //printHexDump(missing_value_code_units, "missing value"); if (isNumericVariable) { double[] missingValues = new double[howManyMissingValueUnits]; //List<String> mvp = new ArrayList<String>(); List<String> mv = new ArrayList<String>(); ByteBuffer[] bb_missig_value_code = new ByteBuffer[howManyMissingValueUnits]; int offset_start = 0; for (int i = 0; i < howManyMissingValueUnits; i++) { bb_missig_value_code[i] = ByteBuffer.wrap(missing_value_code_units, offset_start, LENGTH_SAV_OBS_BLOCK); offset_start += LENGTH_SAV_OBS_BLOCK; if (isLittleEndian) { bb_missig_value_code[i].order(ByteOrder.LITTLE_ENDIAN); } ByteBuffer temp = bb_missig_value_code[i].duplicate(); missingValues[i] = bb_missig_value_code[i].getDouble(); if (Double.toHexString(missingValues[i]).equals("-0x1.ffffffffffffep1023")) { dbgLog.fine("1st value is LOWEST"); mv.add(Double.toHexString(missingValues[i])); } else if (Double.valueOf(missingValues[i]).equals(Double.MAX_VALUE)) { dbgLog.fine("2nd value is HIGHEST"); mv.add(Double.toHexString(missingValues[i])); } else { mv.add(doubleNumberFormatter.format(missingValues[i])); } dbgLog.fine(i + "-th missing value=" + Double.toHexString(missingValues[i])); } dbgLog.fine("variableName=" + variableName); if (recordType2FixedPart1[3] > 0) { // point cases only dbgLog.fine("mv(>0)=" + mv); missingValueTable.put(variableName, mv); invalidDataInfo.setInvalidValues(mv); } else if (recordType2FixedPart1[3] == -2) { dbgLog.fine("mv(-2)=" + mv); // range invalidDataInfo.setInvalidRange(mv); } else if (recordType2FixedPart1[3] == -3) { // mixed case dbgLog.fine("mv(-3)=" + mv); invalidDataInfo.setInvalidRange(mv.subList(0, 2)); invalidDataInfo.setInvalidValues(mv.subList(2, 3)); missingValueTable.put(variableName, mv.subList(2, 3)); } dbgLog.fine("missing value=" + StringUtils.join(missingValueTable.get(variableName), "|")); dbgLog.fine("invalidDataInfo(Numeric):\n" + invalidDataInfo); invalidDataTable.put(variableName, invalidDataInfo); } else { // string variable case String[] missingValues = new String[howManyMissingValueUnits]; List<String> mv = new ArrayList<String>(); int offset_start = 0; int offset_end = LENGTH_SAV_OBS_BLOCK; for (int i = 0; i < howManyMissingValueUnits; i++) { missingValues[i] = StringUtils.stripEnd(new String( Arrays.copyOfRange(missing_value_code_units, offset_start, offset_end), defaultCharSet), " "); dbgLog.fine("missing value=" + missingValues[i] + "<-"); offset_start = offset_end; offset_end += LENGTH_SAV_OBS_BLOCK; mv.add(missingValues[i]); } invalidDataInfo.setInvalidValues(mv); missingValueTable.put(variableName, mv); invalidDataTable.put(variableName, invalidDataInfo); dbgLog.fine( "missing value(str)=" + StringUtils.join(missingValueTable.get(variableName), "|")); dbgLog.fine("invalidDataInfo(String):\n" + invalidDataInfo); } // string case dbgLog.fine("invalidDataTable:\n" + invalidDataTable); } // if msv } catch (IOException ex) { //ex.printStackTrace(); throw ex; } catch (Exception ex) { ex.printStackTrace(); // should we be throwing some exception here? } } // j-loop if (j == OBSUnitsPerCase) { dbgLog.fine("RT2 metadata-related exit-chores"); smd.getFileInformation().put("varQnty", variableCounter); varQnty = variableCounter; dbgLog.fine("RT2: varQnty=" + varQnty); smd.setVariableName(variableNameList.toArray(new String[variableNameList.size()])); smd.setVariableLabel(variableLabelMap); smd.setMissingValueTable(missingValueTable); smd.getFileInformation().put("caseWeightVariableName", caseWeightVariableName); dbgLog.info("sumstat:long case=" + Arrays.deepToString(variableTypelList.toArray())); smd.setVariableFormat(printFormatList); smd.setVariableFormatName(printFormatNameTable); dbgLog.info("<<<<<<"); dbgLog.info("printFormatList = " + printFormatList); dbgLog.info("printFormatNameTable = " + printFormatNameTable); // dbgLog.info("formatCategoryTable = " + formatCategoryTable); dbgLog.info(">>>>>>"); dbgLog.fine("RT2: OBSwiseTypelList=" + OBSwiseTypelList); // variableType is determined after the valueTable is finalized } else { dbgLog.info("RT2: attention! didn't reach the end of the OBS list!"); throw new IOException("RT2: didn't reach the end of the OBS list!"); } dbgLog.fine("***** decodeRecordType2(): end *****"); }
From source file:edu.hawaii.soest.kilonalu.dvp2.DavisWxParser.java
/** * get the value from the nextRecord field * * @return nextRecord - the nextRecord as an integer */// w w w. jav a 2 s. co m public int getNextRecord() { this.nextRecord.flip(); return (int) this.nextRecord.order(ByteOrder.LITTLE_ENDIAN).getShort(); }
From source file:edu.hawaii.soest.kilonalu.dvp2.DavisWxParser.java
/** * get the value from the barometer field * * @return barometer - the barometer as a float *//*ww w . ja v a 2s .c o m*/ public float getBarometer() { this.barometer.flip(); return (float) (this.barometer.order(ByteOrder.LITTLE_ENDIAN).getShort()) / 1000; }
From source file:nodomain.freeyourgadget.gadgetbridge.service.devices.pebble.PebbleProtocol.java
private byte[] encodeBlobDBClear(byte database) { final short LENGTH_BLOBDB_CLEAR = 4; ByteBuffer buf = ByteBuffer.allocate(LENGTH_PREFIX + LENGTH_BLOBDB_CLEAR); buf.order(ByteOrder.BIG_ENDIAN); buf.putShort(LENGTH_BLOBDB_CLEAR);/*from www .java 2 s .co m*/ buf.putShort(ENDPOINT_BLOBDB); buf.order(ByteOrder.LITTLE_ENDIAN); buf.put(BLOBDB_CLEAR); buf.putShort((short) mRandom.nextInt()); // token buf.put(database); return buf.array(); }
From source file:edu.hawaii.soest.kilonalu.dvp2.DavisWxParser.java
/** * get the value from the insideTemperature field * * @return insideTemperature - the insideTemperature as a float *//* w w w .ja v a 2 s . co m*/ public float getInsideTemperature() { this.insideTemperature.flip(); return (float) (this.insideTemperature.order(ByteOrder.LITTLE_ENDIAN).getShort()) / 10; }
From source file:gephi.spade.panel.fcsFile.java
/** * readFloatData ---/* w w w . j a v a 2 s.c o m*/ * <p> * Reads floating point values in list mode in the DATA segment and updates * eventList with the integer values of the values. * </p> * * @param data * <code>ByteBuffer</code> containing the DATA segment of the * underlying file. */ private void readFloatData(ByteBuffer data) { // Allocate the eventList eventList = new double[parameters][totalEvents]; if (littleEndianP) { data.order(ByteOrder.LITTLE_ENDIAN); } // Convert the byte buffer into a float buffer - doesn't get any easier FloatBuffer fb = data.asFloatBuffer(); final int totalEvents = this.totalEvents; final int parameters = this.parameters; for (int i = 0; i < totalEvents; i++) { for (int j = 0; j < parameters; j++) { // Store the value into the array eventList[j][i] = fb.get(); } } }
From source file:au.org.ala.layers.intersect.Grid.java
/** * for grid cutter// w w w. j a v a 2s . c o m * <p/> * writes out a list of double (same as getGrid() returns) to a file * <p/> * byteorderlsb * data type, FLOAT * * @param newfilename * @param dfiltered */ public void writeGrid(String newfilename, double[] dfiltered, double xmin, double ymin, double xmax, double ymax, double xres, double yres, int nrows, int ncols) { int size, i, length = dfiltered.length; double maxvalue = Double.MAX_VALUE * -1; double minvalue = Double.MAX_VALUE; //write data as whole file RandomAccessFile afile = null; try { //read of random access file can throw an exception afile = new RandomAccessFile(newfilename + ".gri", "rw"); size = 4; byte[] b = new byte[size * length]; ByteBuffer bb = ByteBuffer.wrap(b); if (byteorderLSB) { bb.order(ByteOrder.LITTLE_ENDIAN); } else { bb.order(ByteOrder.BIG_ENDIAN); } for (i = 0; i < length; i++) { if (Double.isNaN(dfiltered[i])) { bb.putFloat((float) noDataValueDefault); } else { if (minvalue > dfiltered[i]) { minvalue = dfiltered[i]; } if (maxvalue < dfiltered[i]) { maxvalue = dfiltered[i]; } bb.putFloat((float) dfiltered[i]); } } afile.write(b); } catch (Exception e) { logger.error("error writing grid file", e); } finally { if (afile != null) { try { afile.close(); } catch (Exception e) { logger.error(e.getMessage(), e); } } } writeHeader(newfilename, xmin, ymin, xmin + xres * ncols, ymin + yres * nrows, xres, yres, nrows, ncols, minvalue, maxvalue, "FLT4BYTES", String.valueOf(noDataValueDefault)); }