ucar.unidata.io.RandomAccessFile.order()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中ucar.unidata.io.RandomAccessFile.order方法的一些代码示例，展示了RandomAccessFile.order的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。RandomAccessFile.order方法的具体详情如下：
包路径：ucar.unidata.io.RandomAccessFile
类名称：RandomAccessFile
方法名：order

RandomAccessFile.order介绍

[英]Change the current endian mode. Subsequent reads of short, int, float, double, long, char will use this. Does not currently affect writes. Default values is BIG_ENDIAN.
[中]更改当前的endian模式。随后读取short、int、float、double、long和char将使用此选项。目前不影响写入。默认值是BIG_ENDIAN。

代码示例

代码示例来源：origin: Unidata/thredds

public Grib2RecordScanner(RandomAccessFile raf) throws IOException {
 this.raf = raf;
 raf.seek(0);
 raf.order(RandomAccessFile.BIG_ENDIAN);
 lastPos = 0;
 if (debugRepeat) System.out.printf(" Grib2RecordScanner %s%n", raf.getLocation());
}

代码示例来源：origin: Unidata/thredds

public Grib1RecordScanner(RandomAccessFile raf) throws IOException {
 this.raf = raf;
 raf.seek(0);
 raf.order(RandomAccessFile.BIG_ENDIAN);
 lastPos = 0;
}

代码示例来源：origin: edu.ucar/bufr

public MessageScanner(RandomAccessFile raf, long startPos) throws IOException {
 startPos = (startPos < 30) ? 0 : startPos - 30; // look for the header
 this.raf = raf;
 raf.seek(startPos);
 raf.order(RandomAccessFile.BIG_ENDIAN);
 lastPos = startPos;
}

代码示例来源：origin: Unidata/thredds

public MessageScanner(RandomAccessFile raf, long startPos, boolean useEmbeddedTables) throws IOException {
 startPos = (startPos < 30) ? 0 : startPos - 30; // look for the header
 this.raf = raf;
 lastPos = startPos;
 this.useEmbeddedTables = useEmbeddedTables;
 raf.seek(startPos);
 raf.order(RandomAccessFile.BIG_ENDIAN);
}

代码示例来源：origin: Unidata/thredds

private Grib2RecordScanner(RandomAccessFile raf, long startFrom) throws IOException {
 this.raf = raf;
 raf.seek(startFrom);
 raf.order(RandomAccessFile.BIG_ENDIAN);
 lastPos = startFrom;
}

代码示例来源：origin: Unidata/thredds

public void reacquire() throws IOException {
 raf = RandomAccessFile.acquire(location);
 this.raf.order(rafOrder);
}

代码示例来源：origin: edu.ucar/netcdf

/**
 * Check if this is a valid SIGMET-IRIS file for this IOServiceProvider.
 */
public boolean isValidFile(ucar.unidata.io.RandomAccessFile raf) {
 try {
  raf.order(RandomAccessFile.LITTLE_ENDIAN);
  raf.seek(24);
  return (raf.readShort() == (short) 15);
 } catch (IOException ioe) {
  System.out.println("In isValidFile(): " + ioe.toString());
  return false;
 }
}

代码示例来源：origin: Unidata/thredds

@Override
public boolean isValidFile(ucar.unidata.io.RandomAccessFile raf) throws IOException {
 // this is the first time we try to read the file - if there's a problem we get a IOException
 raf.seek(0);
 raf.order(ByteOrder.BIG_ENDIAN);
 int fileCode = raf.readInt();
 if (fileCode != MAGIC)
  return false;
 raf.seek(28);
 raf.order(ByteOrder.LITTLE_ENDIAN);
 int version = raf.readInt();
 if (version != VERSION)
  return false;
 return true;
}

代码示例来源：origin: edu.ucar/cdm

@Override
public boolean isValidFile(ucar.unidata.io.RandomAccessFile raf) throws IOException {
 // this is the first time we try to read the file - if there's a problem we get a IOException
 raf.seek(0);
 raf.order(ByteOrder.BIG_ENDIAN);
 int fileCode = raf.readInt();
 if (fileCode != MAGIC)
  return false;
 raf.seek(28);
 raf.order(ByteOrder.LITTLE_ENDIAN);
 int version = raf.readInt();
 if (version != VERSION)
  return false;
 return true;
}

代码示例来源：origin: edu.ucar/netcdf

@Override
public boolean isValidFile(ucar.unidata.io.RandomAccessFile raf) throws IOException {
 // this is the first time we try to read the file - if there's a problem we get a IOException
 raf.seek(0);
 raf.order(ByteOrder.BIG_ENDIAN);
 int fileCode = raf.readInt();
 if (fileCode != MAGIC)
  return false;
 raf.seek(28);
 raf.order(ByteOrder.LITTLE_ENDIAN);
 int version = raf.readInt();
 if (version != VERSION)
  return false;
 return true;
}

代码示例来源：origin: edu.ucar/netcdf

private static void dump(String filename) throws IOException {
 System.out.printf("Dump %s%n", filename);
 RandomAccessFile raf = new RandomAccessFile(filename, "r");
 NetcdfFile ncfile = new MyNetcdfFile();
 // its a netcdf-3 file
 raf.order(RandomAccessFile.BIG_ENDIAN);
 N3header headerParser = new N3header();
 headerParser.read(raf, ncfile, new Formatter(System.out));
 raf.close();
}

代码示例来源：origin: edu.ucar/netcdf

private void readHeader() throws IOException {
 raf.seek(32);
 raf.order(ByteOrder.LITTLE_ENDIAN);
 int itype = raf.readInt();
 type = assignType(itype);
 bb = readBoundingBox();
}

代码示例来源：origin: edu.ucar/cdm

private void readHeader() throws IOException {
 raf.seek(32);
 raf.order(ByteOrder.LITTLE_ENDIAN);
 int itype = raf.readInt();
 type = assignType(itype);
 bb = readBoundingBox();
}

代码示例来源：origin: Unidata/thredds

private void readHeader() throws IOException {
 raf.seek(32);
 raf.order(ByteOrder.LITTLE_ENDIAN);
 int itype = raf.readInt();
 type = assignType(itype);
 bb = readBoundingBox();
}

代码示例来源：origin: edu.ucar/netcdf

HeapIdentifier(long address) throws IOException {
 // header information is in le byte order
 raf.order(RandomAccessFile.LITTLE_ENDIAN);
 raf.seek(address);
 nelems = raf.readInt();
 heapAddress = readOffset();
 index = raf.readInt();
 if (debugDetail)
  debugOut.println("   read HeapIdentifier address=" + address + this);
 if (debugHeap) dump("heapIdentifier", getFileOffset(address), 16, true);
}

代码示例来源：origin: edu.ucar/cdm

HeapIdentifier(long address) throws IOException {
 // header information is in le byte order
 raf.order(RandomAccessFile.LITTLE_ENDIAN);
 raf.seek(address);
 nelems = raf.readInt();
 heapAddress = readOffset();
 index = raf.readInt();
 if (debugDetail)
  debugOut.println("   read HeapIdentifier address=" + address + this);
 if (debugHeap) dump("heapIdentifier", getFileOffset(address), 16, true);
}

代码示例来源：origin: Unidata/thredds

HeapIdentifier(long address) throws IOException {
 // header information is in le byte order
 raf.order(RandomAccessFile.LITTLE_ENDIAN);
 raf.seek(address);
 nelems = raf.readInt();
 heapAddress = readOffset();
 index = raf.readInt();
 if (debugDetail) {
  log.debug("   read HeapIdentifier address=" + address + this);
 }
 if (debugHeap) dump("heapIdentifier", getFileOffset(address), 16, true);
}

代码示例来源：origin: Unidata/thredds

public Array readData(Variable v2, Section wantSection) throws IOException, InvalidRangeException {
 // raf.seek(0);
 raf.order(RandomAccessFile.BIG_ENDIAN);
 int size = (int) wantSection.computeSize();
 short[] arr = new short[size];
 LayoutRegular indexer = new LayoutRegular(0, v2.getElementSize(), v2.getShape(), wantSection);
 while (indexer.hasNext()) {
  Layout.Chunk chunk = indexer.next();
  raf.seek(chunk.getSrcPos());
  raf.readShort(arr, (int) chunk.getDestElem(), chunk.getNelems()); // copy into primitive array
 }
 return Array.factory(v2.getDataType(), wantSection.getShape(), arr);
}

代码示例来源：origin: edu.ucar/netcdf

public Array readData(Variable v2, Section wantSection) throws IOException, InvalidRangeException {
 // raf.seek(0);
 raf.order(RandomAccessFile.BIG_ENDIAN);
 int size = (int) wantSection.computeSize();
 short[] arr = new short[size];
 LayoutRegular indexer = new LayoutRegular(0, v2.getElementSize(), v2.getShape(), wantSection);
 while (indexer.hasNext()) {
  Layout.Chunk chunk = indexer.next();
  raf.seek(chunk.getSrcPos());
  raf.readShort(arr, (int) chunk.getDestElem(), chunk.getNelems()); // copy into primitive array
 }
 return Array.factory(v2.getDataType().getPrimitiveClassType(), wantSection.getShape(), arr);
}

代码示例来源：origin: edu.ucar/cdm

public Array readData(Variable v2, Section wantSection) throws IOException, InvalidRangeException {
 // raf.seek(0);
 raf.order(RandomAccessFile.BIG_ENDIAN);
 int size = (int) wantSection.computeSize();
 short[] arr = new short[size];
 LayoutRegular indexer = new LayoutRegular(0, v2.getElementSize(), v2.getShape(), wantSection);
 while (indexer.hasNext()) {
  Layout.Chunk chunk = indexer.next();
  raf.seek(chunk.getSrcPos());
  raf.readShort(arr, (int) chunk.getDestElem(), chunk.getNelems()); // copy into primitive array
 }
 return Array.factory(v2.getDataType().getPrimitiveClassType(), wantSection.getShape(), arr);
}

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