ucar.unidata.io.RandomAccessFile.readString()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.readString方法的一些代码示例，展示了RandomAccessFile.readString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.readString方法的具体详情如下：
包路径：ucar.unidata.io.RandomAccessFile
类名称：RandomAccessFile
方法名：readString

RandomAccessFile.readString介绍

[英]Read a String of known length.
[中]读一个已知长度的字符串。

代码示例

代码示例来源：origin: edu.ucar/cdm

/**
 * 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 {
 return raf.readString(size);
}

代码示例来源：origin: Unidata/thredds

/**
 * 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 {
 return raf.readString(size);
}

代码示例来源：origin: Unidata/thredds

void read() throws IOException {
 datemod = raf.readString(14);
 if (debug1) {
  log.debug("   MessageLastModifiedOld={}", datemod);
 }
}

代码示例来源：origin: edu.ucar/cdm

void read() throws IOException {
 datemod = raf.readString(14);
 if (debug1) debugOut.println("   MessageLastModifiedOld=" + datemod);
}

代码示例来源：origin: edu.ucar/cdm

private boolean endRecord(RandomAccessFile raf) throws IOException {
 if (showSkip) System.out.print(" endRecord start at " + raf.getFilePointer());
 int skipped = 0;
 String endRecord = raf.readString(10); // new String(raf.readBytes(10), CDM.utf8Charset);
 while (endRecord.equals("END RECORD")) {
  endRecord = raf.readString(10); // new String(raf.readBytes(10));
  skipped++;
 }
 if (showSkip) System.out.println(" last 10 chars= " + endRecord + " skipped= " + skipped);
 return true;
}

代码示例来源：origin: Unidata/thredds

private boolean endRecord(RandomAccessFile raf) throws IOException {
 if (showSkip) System.out.print(" endRecord start at " + raf.getFilePointer());
 int skipped = 0;
 String endRecord = raf.readString(10); // new String(raf.readBytes(10), CDM.utf8Charset);
 while (endRecord.equals("END RECORD")) {
  endRecord = raf.readString(10); // new String(raf.readBytes(10));
  skipped++;
 }
 if (showSkip) System.out.println(" last 10 chars= " + endRecord + " skipped= " + skipped);
 return true;
}

代码示例来源：origin: edu.ucar/cdm

public boolean isValidFile( RandomAccessFile raf) throws IOException {
 try {
  raf.seek(0);
  String test = raf.readString(8);
  return test.equals( Level2VolumeScan.ARCHIVE2) || test.equals( Level2VolumeScan.AR2V0001) ||
      test.equals( Level2VolumeScan.AR2V0003)|| test.equals( Level2VolumeScan.AR2V0004) ||
      test.equals( Level2VolumeScan.AR2V0002) || test.equals( Level2VolumeScan.AR2V0006) ||
      test.equals( Level2VolumeScan.AR2V0007);
 } catch (IOException ioe) {
  return false;
 }
}

代码示例来源：origin: Unidata/thredds

public boolean isValidFile( RandomAccessFile raf) throws IOException {
 try {
  raf.seek(0);
  String test = raf.readString(8);
  return test.equals( Level2VolumeScan.ARCHIVE2) || test.equals( Level2VolumeScan.AR2V0001) ||
      test.equals( Level2VolumeScan.AR2V0003)|| test.equals( Level2VolumeScan.AR2V0004) ||
      test.equals( Level2VolumeScan.AR2V0002) || test.equals( Level2VolumeScan.AR2V0006) ||
      test.equals( Level2VolumeScan.AR2V0007);
 } catch (IOException ioe) {
  return false;
 }
}

代码示例来源：origin: Unidata/thredds

/**
 * Check if this is a valid file for this IOServiceProvider.
 * You must make this method thread safe, ie dont keep any state.
 *
 * @param raf RandomAccessFile
 * @return true if valid.
 * @throws IOException if read error
 */
public boolean isValidFile(RandomAccessFile raf) throws IOException {
 raf.seek(0);
 String test = raf.readString(MAGIC.length());
 return test.equals(MAGIC);
}

代码示例来源：origin: edu.ucar/cdm

/**
 * Check if this is a valid file for this IOServiceProvider.
 * You must make this method thread safe, ie dont keep any state.
 *
 * @param raf RandomAccessFile
 * @return true if valid.
 * @throws IOException if read error
 */
public boolean isValidFile(RandomAccessFile raf) throws IOException {
 raf.seek(0);
 String test = raf.readString(MAGIC.length());
 return test.equals(MAGIC);
}

代码示例来源：origin: edu.ucar/cdm

/**
 * Check if this is a valid file for this IOServiceProvider.
 *
 * @param raf RandomAccessFile
 * @return true if valid.
 * @throws IOException if read error
 */
public boolean isValidFile(RandomAccessFile raf) throws IOException {
 raf.seek(0);
 int n = MAGIC.length();
 if (raf.length() < n) {
  return false;
 }
 String got = raf.readString(n);
 return (pMAGIC.matcher(got).find() || pMAGIC_OLD.matcher(got).find());
}

代码示例来源：origin: edu.ucar/cdm

static public boolean isValidFile(ucar.unidata.io.RandomAccessFile raf) throws IOException {
 long filePos = 0;
 long size = raf.length();
 // search forward for the header
 while ((filePos < size) && (filePos < maxHeaderPos)) {
  raf.seek(filePos);
  String magic = raf.readString(8);
  if (magic.equals(hdf5magic))
   return true;
  filePos = (filePos == 0) ? 512 : 2 * filePos;
 }
 return false;
}

代码示例来源：origin: edu.ucar/cdm

static boolean isValidFile(ucar.unidata.io.RandomAccessFile raf) throws IOException {
 long pos = 0;
 long size = raf.length();
 // search forward for the header
 while ((pos < size) && (pos < maxHeaderPos)) {
  raf.seek(pos);
  String magic = raf.readString(4);
  if (magic.equals(shead))
   return true;
  pos = (pos == 0) ? 512 : 2 * pos;
 }
 return false;
}

代码示例来源：origin: Unidata/thredds

static boolean validatePIB(ucar.unidata.io.RandomAccessFile raf) throws IOException {
 int pos = 0;
 raf.seek(pos);
 // gini header process
 String pib = raf.readString(GINI_PIB_LEN + GINI_HED_LEN);
 return findWMOHeader(pib) != 0;
}

代码示例来源：origin: edu.ucar/netcdf

private String getDataBlockStringValue(RandomAccessFile raf, short offset, int skip, int size) throws IOException {
 long off = offset + message_offset + MESSAGE_HEADER_SIZE;
 raf.seek(off);
 raf.skipBytes(skip);
 return raf.readString(size);
}

代码示例来源：origin: edu.ucar/cdm

private String getDataBlockStringValue(RandomAccessFile raf, short offset, int skip, int size) throws IOException {
 long off = offset + message_offset + MESSAGE_HEADER_SIZE;
 raf.seek(off);
 raf.skipBytes(skip);
 return raf.readString(size);
}

代码示例来源：origin: Unidata/thredds

private String getDataBlockStringValue(RandomAccessFile raf, short offset, int skip, int size) throws IOException {
 long off = offset + message_offset + MESSAGE_HEADER_SIZE;
 raf.seek(off);
 raf.skipBytes(skip);
 return raf.readString(size);
}

代码示例来源：origin: edu.ucar/cdm

/**
 * Check if this is a valid file for this IOServiceProvider.
 *
 * @param raf RandomAccessFile
 * @return true if valid.
 */
public boolean isValidFile(RandomAccessFile raf) throws IOException {
 try {
  raf.order(RandomAccessFile.BIG_ENDIAN);
  raf.seek(0);
  raf.skipBytes(4);
  String test = raf.readString(40);
  return test.equals(EMISSIONS) || test.equals(AVERAGE) || test.equals(AIRQUALITY) || test.equals(INSTANT);
 } catch (IOException ioe) {
  return false;
 }
}

代码示例来源：origin: edu.ucar/cdm

private boolean endFile(RandomAccessFile raf) throws IOException {
 if (showSkip) System.out.println(" endFile start at " + raf.getFilePointer());
 String endRecord = raf.readString(10); // new String(raf.readBytes(10));
 while (endRecord.equals("ENDOF FILE")) {
  endRecord = raf.readString(10); // new String(raf.readBytes(10));
 }
 try {
  while (raf.read() != (int) 'X') ; //find where X's start
  while (raf.read() == (int) 'X') ; //skip X's till you run out
  raf.skipBytes(-1); // go back one
  readHeader(raf);
  return true;
 } catch (EOFException e) {
  return false;
 }
}

代码示例来源：origin: Unidata/thredds

/**
 * Read a zero terminated String. Leave file positioned after zero terminator byte.
 *
 * @param raf from this file
 * @return String (dont include zero terminator)
 * @throws java.io.IOException on io error
 */
private String readString(RandomAccessFile raf) throws IOException {
 long filePos = raf.getFilePointer();
 int count = 0;
 while (raf.readByte() != 0) count++;
 raf.seek(filePos);
 String result = raf.readString(count);
 raf.readByte(); // skip the zero byte! nn
 return result;
}

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