<%@ page contentType="text/html; charset=utf-8" pageEncoding="UTF-8"%> <%-- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. --%> <%@ page import="org.apache.lucene.analysis.Analyzer, org.apache.lucene.util.AttributeSource, org.apache.lucene.util.Attribute, org.apache.lucene.util.BytesRef, org.apache.lucene.analysis.TokenStream, org.apache.lucene.index.Payload, org.apache.lucene.analysis.CharReader, org.apache.lucene.analysis.CharStream, org.apache.lucene.analysis.tokenattributes.*, org.apache.lucene.util.AttributeReflector, org.apache.solr.analysis.CharFilterFactory, org.apache.solr.analysis.TokenFilterFactory, org.apache.solr.analysis.TokenizerChain, org.apache.solr.analysis.TokenizerFactory, org.apache.solr.schema.FieldType, org.apache.solr.schema.SchemaField, org.apache.solr.common.util.XML, javax.servlet.jsp.JspWriter,java.io.IOException, org.apache.noggit.CharArr "%> <%@ page import="java.io.Reader"%> <%@ page import="java.io.StringReader"%> <%@ page import="java.util.*"%> <%@ page import="java.math.BigInteger" %> <%-- $Id$ --%> <%@include file="header.jsp" %> <% // is name a field name or a type name? String nt = request.getParameter("nt"); if (nt==null || nt.length()==0) nt="name"; // assume field name nt = nt.toLowerCase(Locale.ENGLISH).trim(); String name = request.getParameter("name"); if (name==null || name.length()==0) name=""; String val = request.getParameter("val"); if (val==null || val.length()==0) val=""; String qval = request.getParameter("qval"); if (qval==null || qval.length()==0) qval=""; String verboseS = request.getParameter("verbose"); boolean verbose = verboseS!=null && verboseS.equalsIgnoreCase("on"); String qverboseS = request.getParameter("qverbose"); boolean qverbose = qverboseS!=null && qverboseS.equalsIgnoreCase("on"); String highlightS = request.getParameter("highlight"); boolean highlight = highlightS!=null && highlightS.equalsIgnoreCase("on"); %>

Field Analysis

Field
Field value (Index)
verbose output >
highlight matches >
Field value (Query)
verbose output >
<% SchemaField field=null; if (name!="") { if (nt.equals("name")) { try { field = schema.getField(name); } catch (Exception e) { out.print("Unknown Field: "); XML.escapeCharData(name, out); out.println(""); } } else { FieldType t = schema.getFieldTypes().get(name); if (null == t) { out.print("Unknown Field Type: "); XML.escapeCharData(name, out); out.println(""); } else { field = new SchemaField("fakefieldoftype:"+name, t); } } } if (field!=null) { HashSet matches = null; if (qval!="" && highlight) { Reader reader = new StringReader(qval); Analyzer analyzer = field.getType().getQueryAnalyzer(); TokenStream tstream = analyzer.reusableTokenStream(field.getName(),reader); TermToBytesRefAttribute bytesAtt = tstream.getAttribute(TermToBytesRefAttribute.class); tstream.reset(); matches = new HashSet(); final BytesRef bytes = bytesAtt.getBytesRef(); while (tstream.incrementToken()) { bytesAtt.fillBytesRef(); matches.add(new BytesRef(bytes)); } } if (val!="") { out.println("

Index Analyzer

"); doAnalyzer(out, field, val, false, verbose, matches); } if (qval!="") { out.println("

Query Analyzer

"); doAnalyzer(out, field, qval, true, qverbose, null); } } %> <%! private static void doAnalyzer(JspWriter out, SchemaField field, String val, boolean queryAnalyser, boolean verbose, Set match) throws Exception { FieldType ft = field.getType(); Analyzer analyzer = queryAnalyser ? ft.getQueryAnalyzer() : ft.getAnalyzer(); if (analyzer instanceof TokenizerChain) { TokenizerChain tchain = (TokenizerChain)analyzer; CharFilterFactory[] cfiltfacs = tchain.getCharFilterFactories(); TokenizerFactory tfac = tchain.getTokenizerFactory(); TokenFilterFactory[] filtfacs = tchain.getTokenFilterFactories(); if( cfiltfacs != null ){ String source = val; for(CharFilterFactory cfiltfac : cfiltfacs ){ CharStream reader = CharReader.get(new StringReader(source)); reader = cfiltfac.create(reader); if(verbose){ writeHeader(out, cfiltfac.getClass(), cfiltfac.getArgs()); source = writeCharStream(out, reader); } } } TokenStream tstream = tfac.create(tchain.charStream(new StringReader(val))); List tokens = getTokens(tstream); if (verbose) { writeHeader(out, tfac.getClass(), tfac.getArgs()); } writeTokens(out, tokens, ft, verbose, match); for (TokenFilterFactory filtfac : filtfacs) { if (verbose) { writeHeader(out, filtfac.getClass(), filtfac.getArgs()); } final Iterator iter = tokens.iterator(); tstream = filtfac.create( new TokenStream(tstream.getAttributeFactory()) { public boolean incrementToken() throws IOException { if (iter.hasNext()) { clearAttributes(); AttributeSource token = iter.next(); Iterator> atts = token.getAttributeClassesIterator(); while (atts.hasNext()) // make sure all att impls in the token exist here addAttribute(atts.next()); token.copyTo(this); return true; } else { return false; } } } ); tokens = getTokens(tstream); writeTokens(out, tokens, ft, verbose, match); } } else { TokenStream tstream = analyzer.reusableTokenStream(field.getName(),new StringReader(val)); tstream.reset(); List tokens = getTokens(tstream); if (verbose) { writeHeader(out, analyzer.getClass(), Collections.EMPTY_MAP); } writeTokens(out, tokens, ft, verbose, match); } } static List getTokens(TokenStream tstream) throws IOException { List tokens = new ArrayList(); tstream.reset(); while (tstream.incrementToken()) { tokens.add(tstream.cloneAttributes()); } return tokens; } private static class ReflectItem { final Class attClass; final String key; final Object value; ReflectItem(Class attClass, String key, Object value) { this.attClass = attClass; this.key = key; this.value = value; } } private static class Tok { final BytesRef bytes; final String rawText, text; final int pos; final List reflected = new ArrayList(); Tok(AttributeSource token, int pos, FieldType ft) { this.pos = pos; TermToBytesRefAttribute termAtt = token.getAttribute(TermToBytesRefAttribute.class); BytesRef spare = termAtt.getBytesRef(); termAtt.fillBytesRef(); bytes = new BytesRef(spare); rawText = (token.hasAttribute(CharTermAttribute.class)) ? token.getAttribute(CharTermAttribute.class).toString() : null; final CharArr textBuf = new CharArr(bytes.length); ft.indexedToReadable(bytes, textBuf); text = textBuf.toString(); token.reflectWith(new AttributeReflector() { public void reflect(Class attClass, String key, Object value) { // leave out position and raw term if (TermToBytesRefAttribute.class.isAssignableFrom(attClass)) return; if (CharTermAttribute.class.isAssignableFrom(attClass)) return; if (PositionIncrementAttribute.class.isAssignableFrom(attClass)) return; reflected.add(new ReflectItem(attClass, key, value)); } }); } } private static interface TokToStr { public String toStr(Tok o); } private static void printRow(JspWriter out, String header, String headerTitle, List[] arrLst, TokToStr converter, boolean multival, boolean verbose, Set match) throws IOException { // find the maximum number of terms for any position int maxSz=1; if (multival) { for (List lst : arrLst) { maxSz = Math.max(lst.size(), maxSz); } } for (int idx=0; idx"); if (idx==0 && verbose) { if (header != null) { out.print(""); XML.escapeCharData(header,out); out.println(""); } } for (int posIndex=0; posIndex lst = arrLst[posIndex]; if (lst.size() <= idx) continue; if (match!=null && match.contains(lst.get(idx).bytes)) { out.print("'); XML.escapeCharData(converter.toStr(lst.get(idx)), out); out.print(""); } out.println(""); } } static void writeHeader(JspWriter out, Class clazz, Map args) throws IOException { out.print("

"); out.print(clazz.getName()); XML.escapeCharData(" "+args,out); out.println("

"); } // readable, raw, pos, type, start/end static void writeTokens(JspWriter out, List tokens, final FieldType ft, boolean verbose, Set match) throws IOException { // Use a map to tell what tokens are in what positions // because some tokenizers/filters may do funky stuff with // very large increments, or negative increments. HashMap> map = new HashMap>(); boolean needRaw=false; int pos=0, reflectionCount = -1; for (AttributeSource t : tokens) { pos += t.addAttribute(PositionIncrementAttribute.class).getPositionIncrement(); List lst = map.get(pos); if (lst==null) { lst = new ArrayList(1); map.put(pos,lst); } Tok tok = new Tok(t,pos,ft); // sanity check if (reflectionCount < 0) { reflectionCount = tok.reflected.size(); } else { if (reflectionCount != tok.reflected.size()) throw new RuntimeException("Should not happen: Number of reflected entries differs for position=" + pos); } if (tok.rawText != null && !tok.text.equals(tok.rawText)) { needRaw=true; } lst.add(tok); } List[] arr = (List[])map.values().toArray(new ArrayList[map.size()]); // Jetty 6.1.3 miscompiles a generics-enabled version..., without generics: Arrays.sort(arr, new Comparator() { public int compare(Object toks, Object toks1) { return ((List)toks).get(0).pos - ((List)toks1).get(0).pos; } }); out.println(""); if (verbose) { printRow(out, "position", "calculated from " + PositionIncrementAttribute.class.getName(), arr, new TokToStr() { public String toStr(Tok t) { return Integer.toString(t.pos); } },false,verbose,null); } printRow(out, "term text", "indexedToReadable applied to " + TermToBytesRefAttribute.class.getName(), arr, new TokToStr() { public String toStr(Tok t) { return t.text; } },true,verbose,match); if (verbose) { if (needRaw) { printRow(out, "raw text", CharTermAttribute.class.getName(), arr, new TokToStr() { public String toStr(Tok t) { // page is UTF-8, so anything goes. return (t.rawText == null) ? "" : t.rawText; } },true,verbose,match); } printRow(out, "raw bytes", TermToBytesRefAttribute.class.getName(), arr, new TokToStr() { public String toStr(Tok t) { return t.bytes.toString(); } },true,verbose,match); for (int att=0; att < reflectionCount; att++) { final ReflectItem item0 = arr[0].get(0).reflected.get(att); final int i = att; printRow(out, item0.key, item0.attClass.getName(), arr, new TokToStr() { public String toStr(Tok t) { final ReflectItem item = t.reflected.get(i); if (item0.attClass != item.attClass || !item0.key.equals(item.key)) throw new RuntimeException("Should not happen: attribute types suddenly change at position=" + t.pos); if (item.value instanceof Payload) { final Payload p = (Payload) item.value; return new BytesRef(p.getData()).toString(); } else { return (item.value != null) ? item.value.toString() : ""; } } },true,verbose, null); } } out.println("
"); } static String writeCharStream(JspWriter out, CharStream input) throws IOException { out.println(""); out.println(""); out.print(""); final int BUFFER_SIZE = 1024; char[] buf = new char[BUFFER_SIZE]; int len = 0; StringBuilder sb = new StringBuilder(); do { len = input.read( buf, 0, BUFFER_SIZE ); if( len > 0 ) sb.append(buf, 0, len); } while( len == BUFFER_SIZE ); out.print(""); out.println(""); out.println("
"); XML.escapeCharData("text",out); out.println(""); XML.escapeCharData(sb.toString(),out); out.println("
"); return sb.toString(); } %>