本文整理了Java中ucar.unidata.io.RandomAccessFile.read方法的一些代码示例，展示了RandomAccessFile.read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.read方法的具体详情如下：
包路径：ucar.unidata.io.RandomAccessFile
类名称：RandomAccessFile
方法名：read

RandomAccessFile.read介绍

[英]Read a byte of data from the file, blocking until data is available.
[中]从文件中读取一个字节的数据，直到数据可用为止。

代码示例

代码示例来源：origin: edu.ucar/netcdf

Record9() throws IOException {
  raf.read(heapId);
  flags = raf.readByte();
  creationOrder = raf.readInt();
 }
}

代码示例来源：origin: edu.ucar/cdm

private long readVariableSizeN(int nbytes) throws IOException {
 int[] ch = new int[nbytes];
 for (int i = 0; i < nbytes; i++)
  ch[i] = raf.read();
 long result = ch[nbytes - 1];
 for (int i = nbytes - 2; i >= 0; i--) {
  result = result << 8;
  result += ch[i];
 }
 return result;
}

代码示例来源：origin: edu.ucar/netcdf

Record5() throws IOException {
  nameHash = raf.readInt();
  raf.read(heapId);
  if (debugBtree2)
   debugOut.println("  record5 nameHash=" + nameHash + " heapId=" + Misc.showBytes(heapId));
 }
}

代码示例来源：origin: edu.ucar/netcdf

Record6() throws IOException {
  creationOrder = raf.readLong();
  raf.read(heapId);
  if (debugBtree2)
   debugOut.println("  record6 creationOrder=" + creationOrder + " heapId=" + Misc.showBytes(heapId));
 }
}

代码示例来源：origin: Unidata/thredds

Type40(RandomAccessFile raf) throws IOException {
 super(raf);
 this.compressionMethod = raf.read();
 this.compressionRatio = raf.read();
}

代码示例来源：origin: edu.ucar/netcdf

private int readVInt(RandomAccessFile raf) throws IOException {
 byte b = (byte) raf.read();
 int i = b & 0x7F;
 for (int shift = 7; (b & 0x80) != 0; shift += 7) {
  b = (byte) raf.read();
  i |= (b & 0x7F) << shift;
 }
 return i;
}

代码示例来源：origin: Unidata/thredds

private long readVariableSizeN(int nbytes) throws IOException {
 int[] ch = new int[nbytes];
 for (int i = 0; i < nbytes; i++)
  ch[i] = raf.read();
 long result = ch[nbytes - 1];
 for (int i = nbytes - 2; i >= 0; i--) {
  result = result << 8;
  result += ch[i];
 }
 return result;
}

代码示例来源：origin: edu.ucar/netcdf

/**
 * Read a String of known length.
 *
 * @param size number of bytes
 * @return String result
 * @throws java.io.IOException on io error
 */
private String readStringFixedLength(int size) throws IOException {
 byte[] s = new byte[size];
 raf.read(s);
 return new String(s, CDM.utf8Charset); // all Strings are UTF-8 unicode
}

代码示例来源：origin: Unidata/thredds

/**
 * Convert 2 bytes into a signed integer.
 *
 * @param raf
 * @return integer value
 * @throws IOException
 */
public static int int2(RandomAccessFile raf) throws IOException {
 int a = raf.read();
 int b = raf.read();
 return int2(a, b);
}

代码示例来源：origin: Unidata/thredds

/**
 * Convert 2 bytes into an unsigned integer.
 *
 * @param raf
 * @return integer value
 * @throws IOException
 */
public static int uint2(RandomAccessFile raf) throws IOException {
 int a = raf.read();
 int b = raf.read();
 return uint2(a, b);
}

代码示例来源：origin: Unidata/thredds

/**
 * Convert 2 bytes into an unsigned integer.
 *
 * @param raf read from here
 * @return integer value
 * @throws IOException on read error
 */
public static int uint2(RandomAccessFile raf) throws IOException {
 int a = raf.read();
 int b = raf.read();
 return uint2(a, b);
}

代码示例来源：origin: edu.ucar/netcdf

private String readString(int len) throws IOException {
 if (len < 0)
  System.out.println("what");
 byte[] b = new byte[len];
 raf.read(b);
 int count;
 for (count = 0; count < len; count++)
  if (b[count] == 0)
   break;
 return new String(b, 0, count, CDM.utf8Charset);
}

代码示例来源：origin: edu.ucar/netcdf

static 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);
 byte[] b = new byte[4];
 raf.read(b);
 for (int i = 0; i < 3; i++)
  if (b[i] != MAGIC[i])
   return false;
 return ((b[3] == 1) || (b[3] == 2));
}

代码示例来源：origin: Unidata/thredds

public final byte[] getOptiondsalSection(RandomAccessFile raf) throws
    IOException {
 if (!hasOptionalSection) return null;
 byte[] optionalSection = new byte[optionalSectionLen - 4];
 raf.seek(optionalSectionPos);
 int nRead = raf.read(optionalSection);
 if (nRead != optionalSection.length)
   log.warn("Error reading optional section -- expected " +
       optionalSection.length + " but read " + nRead);
 return optionalSection;
}

代码示例来源：origin: edu.ucar/bufr

public final byte[] getOptionalSection(RandomAccessFile raf) throws IOException {
 if (!hasOptionalSection) return null;
 byte[] optionalSection = new byte[optionalSectionLen - 4];
 raf.seek(optionalSectionPos);
 raf.read(optionalSection);
 return optionalSection;
}

代码示例来源：origin: edu.ucar/netcdf

private boolean readAndTest(RandomAccessFile raf, byte[] test) throws IOException {
 byte[] b = new byte[test.length];
 raf.read(b);
 return test(b, test);
}

代码示例来源：origin: Unidata/thredds

public Grib2SectionBitMap(RandomAccessFile raf) throws IOException {
 startingPosition = raf.getFilePointer();
 // octets 1-4 (Length of section)
 int length = GribNumbers.int4(raf);
 // octet 5
 int section = raf.read();
 if (section != 6)
  throw new IllegalArgumentException("Not a GRIB-2 Bitmap section");
 // octet 6
 bitMapIndicator = raf.read();
 raf.seek(startingPosition + length);
}

代码示例来源：origin: Unidata/thredds

/**
 * Constructs a <tt>BufrIndicatorSection</tt> object from a raf.
 *
 * @param raf RandomAccessFile with IndicatorSection content
 * @throws IOException on read error
 */
public BufrIndicatorSection(RandomAccessFile raf) throws IOException {
 this.startPos = raf.getFilePointer() - 4; // start of BUFR message, including "BUFR"
 bufrLength = BufrNumbers.uint3(raf);
 edition = raf.read();
}

代码示例来源：origin: Unidata/thredds

public Grib2SectionData(RandomAccessFile raf) throws IOException {
 startingPosition = raf.getFilePointer();
 // octets 1-4 (Length of section)
 msgLength = GribNumbers.int4(raf);
 // octet 5
 int section = raf.read();
 if (section != 7)
  throw new IllegalStateException("Not a Grib2SectionData (section 7)");
 // skip to end of the data section
 raf.seek(startingPosition + msgLength);
}

代码示例来源：origin: edu.ucar/netcdf

void dump(String head, long filePos, int nbytes, boolean count) throws IOException {
 long savePos = raf.getFilePointer();
 if (filePos >= 0) raf.seek(filePos);
 byte[] mess = new byte[nbytes];
 raf.read(mess);
 printBytes(head, mess, nbytes, false, debugOut);
 raf.seek(savePos);
}