List of usage examples for org.apache.lucene.util AttributeSource clearAttributes
public final void clearAttributes()
From source file:org.apache.solr.schema.JsonPreAnalyzedParser.java
License:Apache License
@SuppressWarnings("unchecked") @Override/* ww w .j av a 2 s .c o m*/ public ParseResult parse(Reader reader, AttributeSource parent) throws IOException { ParseResult res = new ParseResult(); StringBuilder sb = new StringBuilder(); char[] buf = new char[128]; int cnt; while ((cnt = reader.read(buf)) > 0) { sb.append(buf, 0, cnt); } String val = sb.toString(); // empty string - accept even without version number if (val.length() == 0) { return res; } Object o = ObjectBuilder.fromJSON(val); if (!(o instanceof Map)) { throw new IOException("Invalid JSON type " + o.getClass().getName() + ", expected Map"); } Map<String, Object> map = (Map<String, Object>) o; // check version String version = (String) map.get(VERSION_KEY); if (version == null) { throw new IOException("Missing VERSION key"); } if (!VERSION.equals(version)) { throw new IOException("Unknown VERSION '" + version + "', expected " + VERSION); } if (map.containsKey(STRING_KEY) && map.containsKey(BINARY_KEY)) { throw new IOException("Field cannot have both stringValue and binaryValue"); } res.str = (String) map.get(STRING_KEY); String bin = (String) map.get(BINARY_KEY); if (bin != null) { byte[] data = Base64.base64ToByteArray(bin); res.bin = data; } List<Object> tokens = (List<Object>) map.get(TOKENS_KEY); if (tokens == null) { return res; } int tokenStart = 0; int tokenEnd = 0; parent.clearAttributes(); for (Object ot : tokens) { tokenStart = tokenEnd + 1; // automatic increment by 1 separator Map<String, Object> tok = (Map<String, Object>) ot; boolean hasOffsetStart = false; boolean hasOffsetEnd = false; int len = -1; for (Entry<String, Object> e : tok.entrySet()) { String key = e.getKey(); if (key.equals(TOKEN_KEY)) { CharTermAttribute catt = parent.addAttribute(CharTermAttribute.class); String str = String.valueOf(e.getValue()); catt.append(str); len = str.length(); } else if (key.equals(OFFSET_START_KEY)) { Object obj = e.getValue(); hasOffsetStart = true; if (obj instanceof Number) { tokenStart = ((Number) obj).intValue(); } else { try { tokenStart = Integer.parseInt(String.valueOf(obj)); } catch (NumberFormatException nfe) { LOG.warn("Invalid " + OFFSET_START_KEY + " attribute, skipped: '" + obj + "'"); hasOffsetStart = false; } } } else if (key.equals(OFFSET_END_KEY)) { hasOffsetEnd = true; Object obj = e.getValue(); if (obj instanceof Number) { tokenEnd = ((Number) obj).intValue(); } else { try { tokenEnd = Integer.parseInt(String.valueOf(obj)); } catch (NumberFormatException nfe) { LOG.warn("Invalid " + OFFSET_END_KEY + " attribute, skipped: '" + obj + "'"); hasOffsetEnd = false; } } } else if (key.equals(POSINCR_KEY)) { Object obj = e.getValue(); int posIncr = 1; if (obj instanceof Number) { posIncr = ((Number) obj).intValue(); } else { try { posIncr = Integer.parseInt(String.valueOf(obj)); } catch (NumberFormatException nfe) { LOG.warn("Invalid " + POSINCR_KEY + " attribute, skipped: '" + obj + "'"); } } PositionIncrementAttribute patt = parent.addAttribute(PositionIncrementAttribute.class); patt.setPositionIncrement(posIncr); } else if (key.equals(PAYLOAD_KEY)) { String str = String.valueOf(e.getValue()); if (str.length() > 0) { byte[] data = Base64.base64ToByteArray(str); PayloadAttribute p = parent.addAttribute(PayloadAttribute.class); if (data != null && data.length > 0) { p.setPayload(new BytesRef(data)); } } } else if (key.equals(FLAGS_KEY)) { try { int f = Integer.parseInt(String.valueOf(e.getValue()), 16); FlagsAttribute flags = parent.addAttribute(FlagsAttribute.class); flags.setFlags(f); } catch (NumberFormatException nfe) { LOG.warn("Invalid " + FLAGS_KEY + " attribute, skipped: '" + e.getValue() + "'"); } } else if (key.equals(TYPE_KEY)) { TypeAttribute tattr = parent.addAttribute(TypeAttribute.class); tattr.setType(String.valueOf(e.getValue())); } else { LOG.warn("Unknown attribute, skipped: " + e.getKey() + "=" + e.getValue()); } } // handle offset attr OffsetAttribute offset = parent.addAttribute(OffsetAttribute.class); if (!hasOffsetEnd && len > -1) { tokenEnd = tokenStart + len; } offset.setOffset(tokenStart, tokenEnd); if (!hasOffsetStart) { tokenStart = tokenEnd + 1; } // capture state and add to result State state = parent.captureState(); res.states.add(state.clone()); // reset for reuse parent.clearAttributes(); } return res; }
From source file:org.apache.solr.schema.SimplePreAnalyzedParser.java
License:Apache License
private static AttributeSource.State createState(AttributeSource a, Tok state, int tokenEnd) { a.clearAttributes(); CharTermAttribute termAtt = a.addAttribute(CharTermAttribute.class); char[] tokChars = state.token.toString().toCharArray(); termAtt.copyBuffer(tokChars, 0, tokChars.length); int tokenStart = tokenEnd - state.token.length(); for (Entry<String, String> e : state.attr.entrySet()) { String k = e.getKey();// w ww .ja v a 2s. co m if (k.equals("i")) { // position increment int incr = Integer.parseInt(e.getValue()); PositionIncrementAttribute posIncr = a.addAttribute(PositionIncrementAttribute.class); posIncr.setPositionIncrement(incr); } else if (k.equals("s")) { tokenStart = Integer.parseInt(e.getValue()); } else if (k.equals("e")) { tokenEnd = Integer.parseInt(e.getValue()); } else if (k.equals("y")) { TypeAttribute type = a.addAttribute(TypeAttribute.class); type.setType(e.getValue()); } else if (k.equals("f")) { FlagsAttribute flags = a.addAttribute(FlagsAttribute.class); int f = Integer.parseInt(e.getValue(), 16); flags.setFlags(f); } else if (k.equals("p")) { PayloadAttribute p = a.addAttribute(PayloadAttribute.class); byte[] data = hexToBytes(e.getValue()); if (data != null && data.length > 0) { p.setPayload(new BytesRef(data)); } } else { // unknown attribute } } // handle offset attr OffsetAttribute offset = a.addAttribute(OffsetAttribute.class); offset.setOffset(tokenStart, tokenEnd); State resState = a.captureState(); a.clearAttributes(); return resState; }