Java Matcher.reset方法代碼示例

import java.util.regex.Matcher; //導入方法依賴的package包/類
/**
 * Filter the list of application file paths to remove those that match the
 * regular expression defined by {@link Host#getDeployIgnore()}.
 *
 * @param unfilteredAppPaths
 *            The list of application paths to filter
 *
 * @return The filtered list of application paths
 */
protected String[] filterAppPaths(String[] unfilteredAppPaths) {
	Pattern filter = host.getDeployIgnorePattern();
	if (filter == null || unfilteredAppPaths == null) {
		return unfilteredAppPaths;
	}

	List<String> filteredList = new ArrayList<String>();
	Matcher matcher = null;
	for (String appPath : unfilteredAppPaths) {
		if (matcher == null) {
			matcher = filter.matcher(appPath);
		} else {
			matcher.reset(appPath);
		}
		if (matcher.matches()) {
			if (log.isDebugEnabled()) {
				log.debug(sm.getString("hostConfig.ignorePath", appPath));
			}
		} else {
			filteredList.add(appPath);
		}
	}
	return filteredList.toArray(new String[filteredList.size()]);
}
 

import java.util.regex.Matcher; //導入方法依賴的package包/類
/**
 * Filter the list of application file paths to remove those that match
 * the regular expression defined by {@link Host#getDeployIgnore()}.
 *
 * @param unfilteredAppPaths    The list of application paths to filter
 *
 * @return  The filtered list of application paths
 */
protected String[] filterAppPaths(String[] unfilteredAppPaths) {
    Pattern filter = host.getDeployIgnorePattern();//null
    if (filter == null || unfilteredAppPaths == null) {
        return unfilteredAppPaths;
    }

    List<String> filteredList = new ArrayList<String>();
    Matcher matcher = null;
    for (String appPath : unfilteredAppPaths) {
        if (matcher == null) {
            matcher = filter.matcher(appPath);
        } else {
            matcher.reset(appPath);
        }
        if (matcher.matches()) {
            if (log.isDebugEnabled()) {
                log.debug(sm.getString("hostConfig.ignorePath", appPath));
            }
        } else {
            filteredList.add(appPath);
        }
    }
    return filteredList.toArray(new String[filteredList.size()]);
}
 

import java.util.regex.Matcher; //導入方法依賴的package包/類
/**
 * Build an array giving the starting character offset of each line in
 * the document. The HTML parser only reports event positions as line
 * and column numbers, so we need this information to be able to
 * correctly infer the repositioning information.
 */
private int[] buildLineOffsets(String docContent) {
  Matcher m = afterNewlinePattern.matcher(docContent);
  // we have to scan the text twice, first to determine how many lines
  // there are (i.e. how long the array needs to be)...
  int numMatches = 0;
  while(m.find()) {
    if(DEBUG) {
      System.out.println("found line starting at offset " + m.start());
    }
    numMatches++;
  }

  int[] lineOffsets = new int[numMatches];

  // ... and then again to populate the array with values.
  m.reset();
  for(int i = 0; i < lineOffsets.length; i++) {
    m.find();
    lineOffsets[i] = m.start();
  }

  return lineOffsets;
}
 

import java.util.regex.Matcher; //導入方法依賴的package包/類
/**
 * Create a ClobRef based on parsed data from a line of text.
 * @param inputString the text-based input data to parse.
 * @return a ClobRef to the given data.
 */
public static com.cloudera.sqoop.lib.ClobRef parse(String inputString) {
  // If inputString is of the form 'externalLob(lf,%s,%d,%d)', then this is
  // an external CLOB stored at the LobFile indicated by '%s' with the next
  // two arguments representing its offset and length in the file.
  // Otherwise, it is an inline CLOB, which we read as-is.

  Matcher m = EXTERNAL_MATCHER.get();
  m.reset(inputString);
  if (m.matches()) {
    // This is a LobFile. Extract the filename, offset and len from the
    // matcher.
    return new com.cloudera.sqoop.lib.ClobRef(m.group(1),
        Long.valueOf(m.group(2)), Long.valueOf(m.group(3)));
  } else {
    // This is inline CLOB string data.
    return new com.cloudera.sqoop.lib.ClobRef(inputString);
  }
}
 

import java.util.regex.Matcher; //導入方法依賴的package包/類
/**
 * Create a BlobRef based on parsed data from a line of text.
 * This only operates correctly on external blobs; inline blobs are simply
 * returned as null. You should store BLOB data in SequenceFile format
 * if reparsing is necessary.
 * @param inputString the text-based input data to parse.
 * @return a new BlobRef containing a reference to an external BLOB, or
 * an empty BlobRef if the data to be parsed is actually inline.
 */
public static com.cloudera.sqoop.lib.BlobRef parse(String inputString) {
  // If inputString is of the form 'externalLob(lf,%s,%d,%d)', then this is
  // an external BLOB stored at the LobFile indicated by '%s' with the next
  // two arguments representing its offset and length in the file.
  // Otherwise, it is an inline BLOB, which we don't support parsing of.

  Matcher m = org.apache.sqoop.lib.LobRef.EXTERNAL_MATCHER.get();
  m.reset(inputString);
  if (m.matches()) {
    // This is a LobFile. Extract the filename, offset and len from the
    // matcher.
    return new com.cloudera.sqoop.lib.BlobRef(m.group(1),
        Long.valueOf(m.group(2)), Long.valueOf(m.group(3)));
  } else {
    // This is inline BLOB string data.
    LOG.warn(
        "Reparsing inline BLOB data is not supported; use SequenceFiles.");
    return new com.cloudera.sqoop.lib.BlobRef();
  }
}
 

import java.util.regex.Matcher; //導入方法依賴的package包/類
static LinkedHashMap<String, String> getKeyPropertyList(ObjectName mbeanName) {
    // Implement a version of ObjectName.getKeyPropertyList that returns the
    // properties in the ordered they were added (the ObjectName stores them
    // in the order they were added).
    LinkedHashMap<String, String> output = new LinkedHashMap<String, String>();
    String properties = mbeanName.getKeyPropertyListString();
    Matcher match = PROPERTY_PATTERN.matcher(properties);
    while (match.lookingAt()) {
        output.put(match.group(1), match.group(2));
        properties = properties.substring(match.end());
        if (properties.startsWith(",")) {
            properties = properties.substring(1);
        }
        match.reset(properties);
    }
    return output;
}
 

import java.util.regex.Matcher; //導入方法依賴的package包/類
public static List<Match> findMatches(Matcher matcher, String matchee, IndexType type) {
  matcher.reset(matchee);
  List<Match> matches = new ArrayList<>();
  switch (type) {
    case INDEX:
    case INDEX_BACKWARDS:
      while (matcher.find()) {
        matches.add(match(matcher));
      }
      break;
    case CAPTURE_GROUP:
      if (matcher.matches()) {
        for (int i = 0; i < matcher.groupCount(); i++) {
          matches.add(groupMatch(matcher, i));
        }
      }
      break;
    default:
      throw new UnsupportedOperationException(type.name());
  }
  return matches;
}
 

import java.util.regex.Matcher; //導入方法依賴的package包/類
public Highlighter( String text ) {
	
	String stripped = STRIPPER.matcher( text ).replaceAll( "" );
	mask = new boolean[stripped.length()];
	
	Matcher m = HIGHLIGHTER.matcher( stripped );
	
	int pos = 0;
	int lastMatch = 0;
	
	while (m.find()) {
		pos += (m.start() - lastMatch);
		int groupLen = m.group( 1 ).length();
		for (int i=pos; i < pos + groupLen; i++) {
			mask[i] = true;
		}
		pos += groupLen;
		lastMatch = m.end();
	}
	
	m.reset( text );
	StringBuffer sb = new StringBuffer();
	while (m.find()) {
		m.appendReplacement( sb, m.group( 1 ) );
	}
	m.appendTail( sb );
	
	this.text = sb.toString();
}
 

import java.util.regex.Matcher; //導入方法依賴的package包/類
protected String getPropertyValue(String key, Set<String> seen, Properties... context) {
  String value = null;
  for(Properties p : context) {
    value = p.getProperty(key);
    if(value != null) break;
  }
  if(value != null) {
    Matcher m = PLACEHOLDER.matcher(value);
    if(m.find()) {
      m.reset();
      StringBuffer newValue = new StringBuffer();
      while(m.find()) {
        String varName = m.group(1);
        if(seen.contains(varName)) {
          throw new RuntimeException("Property " + varName +
            " is circularly defined.");
        }
        seen.add(varName);
        try {
          String varValue = getPropertyValue(varName, seen, context);
          if(varValue == null) {
            varValue = m.group();
          }
          m.appendReplacement(newValue, Matcher.quoteReplacement(varValue));
        } finally {
          seen.remove(varName);
        }
      }
      m.appendTail(newValue);
      value = newValue.toString();
    }
  }
  return value;
}
 

import java.util.regex.Matcher; //導入方法依賴的package包/類
public Highlighter(String text) {

			String stripped = STRIPPER.matcher(text).replaceAll("");
			mask = new boolean[stripped.length()];

			Matcher m = HIGHLIGHTER.matcher(stripped);

			int pos = 0;
			int lastMatch = 0;

			while (m.find()) {
				pos += (m.start() - lastMatch);
				int groupLen = m.group(1).length();
				for (int i = pos; i < pos + groupLen; i++) {
					mask[i] = true;
				}
				pos += groupLen;
				lastMatch = m.end();
			}

			m.reset(text);
			StringBuffer sb = new StringBuffer();
			while (m.find()) {
				m.appendReplacement(sb, m.group(1));
			}
			m.appendTail(sb);

			this.text = sb.toString();
		}
 

import java.util.regex.Matcher; //導入方法依賴的package包/類
public Highlighter(String text) {

		String stripped = STRIPPER.matcher(text).replaceAll("");
		mask = new boolean[stripped.length()];

		Matcher m = HIGHLIGHTER.matcher(stripped);

		int pos = 0;
		int lastMatch = 0;

		while (m.find()) {
			pos += (m.start() - lastMatch);
			int groupLen = m.group(1).length();
			for (int i = pos; i < pos + groupLen; i++) {
				mask[i] = true;
			}
			pos += groupLen;
			lastMatch = m.end();
		}

		m.reset(text);
		StringBuffer sb = new StringBuffer();
		while (m.find()) {
			m.appendReplacement(sb, m.group(1));
		}
		m.appendTail(sb);

		this.text = sb.toString();
	}
 

import java.util.regex.Matcher; //導入方法依賴的package包/類
private void checkFileNames(Collection<String> files) {
  Matcher m = IndexFileNames.CODEC_FILE_PATTERN.matcher("");
  for (String file : files) {
    m.reset(file);
    if (!m.matches()) {
      throw new IllegalArgumentException("invalid codec filename '" + file + "', must match: " + IndexFileNames.CODEC_FILE_PATTERN.pattern());
    }
  }
}
 

import java.util.regex.Matcher; //導入方法依賴的package包/類
@Override
public void visitMatchingTerms(
  IndexReader reader,
  String fieldName,
  MatchingTermVisitor mtv) throws IOException
{
  int prefixLength = prefix.length();
  Terms terms = MultiFields.getTerms(reader, fieldName);
  if (terms != null) {
    Matcher matcher = pattern.matcher("");
    try {
      TermsEnum termsEnum = terms.iterator(null);

      TermsEnum.SeekStatus status = termsEnum.seekCeil(prefixRef);
      BytesRef text;
      if (status == TermsEnum.SeekStatus.FOUND) {
        text = prefixRef;
      } else if (status == TermsEnum.SeekStatus.NOT_FOUND) {
        text = termsEnum.term();
      } else {
        text = null;
      }

      while(text != null) {
        if (text != null && StringHelper.startsWith(text, prefixRef)) {
          String textString = text.utf8ToString();
          matcher.reset(textString.substring(prefixLength));
          if (matcher.matches()) {
            mtv.visitMatchingTerm(new Term(fieldName, textString));
          }
        } else {
          break;
        }
        text = termsEnum.next();
      }
    } finally {
      matcher.reset();
    }
  }
}
 

import java.util.regex.Matcher; //導入方法依賴的package包/類
public static String replaceAll(Matcher matcher, Function<String, String> replacement) {
	matcher.reset();
	boolean result = matcher.find();
	if (result) {
		StringBuffer sb = new StringBuffer();
		do {
			matcher.appendReplacement(sb, replacement.apply(matcher.group()));
			result = matcher.find();
		} while (result);
		matcher.appendTail(sb);
		return sb.toString();
	}
	return getOriginalText(matcher).toString();
}
 

import java.util.regex.Matcher; //導入方法依賴的package包/類
private static String searchJSON(String regex, String input){
	Matcher m;
	if(!jsonmatchers.containsKey(regex))
	{
		jsonmatchers.put(regex, m=Pattern.compile(regex).matcher(input));
	}
	else
	{
		m = jsonmatchers.get(regex);
		m.reset(input);
	}
	m.find();
	return m.group(1);
}