我修改了lucene的demo包的IndexHTML类使其可以被其他Java类调用
IndexHTML类
import orgapacheluceneanalysisstandardStandardAnalyzer;
import orgapachelucenedocumentDocument;
import orgapacheluceneindexIndexReader;
import orgapacheluceneindexIndexWriter;
import orgapacheluceneindexTerm;
import orgapacheluceneindexTermEnum;
import javaioFile;import javautilDate;
import javautilArrays;
//还需调用demo的其他类
import orgapachelucenedemo;
/**
* Create html file index for searching
* @author tyrone
*
*/public class IndexHTML { private String DocsPath=null;
/**
* the path for index file;
*/ private String IndexFilePath=null;
/**
* true during deletion pass
*/ private boolean deleting = false;
/**
* existing index
*/ private IndexReader reader;
/**
* new index being built
*/ private IndexWriter writer;
/**
* document id iterator
*/ private TermEnum uidIter;
private void indexDocs(File file)throws Exception {
if (fileisDirectory())
{
// if a directory String[] files = filelist();
// list its files Arrayssort(files);
// sort the files for (int i = ; i < fileslength;
i++) // recursively index themthisindexDocs(new File(file files[i]));
} else if (filegetPath()endsWith(l) || // l filesfilegetPath()endsWith() || // filesfilegetPath()endsWith(txt)) { // index txt filesif (thisuidIter != null) {String uid = HTMLDocumentuid(file);
// construct uid for doc
while (uidIterterm() != null && uidIterterm()field() == uid &&
uidIterterm()text(pareTo(uid) <) {
if (deleting) {
// delete stale docs
Systemoutprintln(deleting +
HTMLDocumentuidurl(uidIterterm()text()));
readerdelete(uidIterterm());
}
uidIternext();
}
if (uidIterterm() != null && uidIterterm()field() == uid &&
uidIterterm()text(pareTo(uid) == ) {
uidIternext();
// keep matching docs
} else if (!deleting) {
// add new docs
Document doc = HTMLDocumentDocument(file);
Systemoutprintln(adding + docget(url));
writeraddDocument(doc);
}
} else { // creating a new index
Document doc = HTMLDocumentDocument(file);
Systemoutprintln(adding + docget(url));
writeraddDocument(doc);
// add docs unconditionally
}
}return;
}
/**
* Walk directory hierarchy in uid order while keeping uid iterator from
* existing index in syncMismatches indicate one of:
* (a) old documents to be deleted;
* (b) unchanged documents to be left alone;
* or (c) new documents to be indexed
*/ private void indexDocs(File file String index boolean create)
throws Exception {
if (!create) {
// incrementally update
reader = IndexReaderopen(index);
// open existing index
uidIter = readerterms(new Term(uid ));
// init uid iterator
thisindexDocs(file);
if (deleting) {
// delete rest of stale docs
while (uidIterterm() != null && uidIterterm()field() == uid) {
Systemoutprintln(deleting +
HTMLDocumentuidurl(uidIterterm()text()));
readerdelete(uidIterterm());
uidIternext();
}
deleting = false;
}
uidIterclose();
// close uid iterator
readerclose();
// close existing index
} else
// dont have exisiting
thisindexDocs(file);
}
/**
* if create=true create a new index else refresh old index
* @param create
*/ public void run(boolean create)
{
try {
String index = index;
File root = null;
if (thisIndexFilePath!=null)
{
// index file path
index = thisIndexFilePath;
}
if (thisDocsPath==null){
Systemoutprintln(root directory is not set);
return;
}
root = new File(thisDocsPath);
Date start = new Date();
/**
* not create then maintenance
*/
if (!create) {
// delete stale docs
thisdeleting = true;
thisindexDocs(root index create);
}
writer = new IndexWriter(index new StandardAnalyzer() create);
writermaxFieldLength = ;
thisindexDocs(root index create);
// add new docs
Systemoutprintln(Optimizing index);
writeroptimize();
writerclose();
Date end = new Date();
Systemoutprint(endgetTime() startgetTime());
Systemoutprintln( total milliseconds);
} catch (Exception e) {
Systemoutprintln( caught a + egetClass() +
\n with message: + egetMessage());
}
return;
}
/**
* @return Returns the IndexFilePath
*/ public String getIndexFilePath() {return IndexFilePath;
}
/**
* @param IndexFilePath The IndexFilePath to set
*/ public void setIndexFilePath(String property) {thisIndexFilePath = property;
}
/**
* @return Returns the DocsPath
*/ public String getDocsPath() {return DocsPath;
}
/**
* @param DocsPath The DocsPath to set
*/ public void setDocsPath(String property) {thisDocsPath = property;
}
/**
* test
* @param args
*/ public static void main(String[] args){IndexHTML ih=new IndexHTML();
ihsetDocsPath(D:\\MyProject\\colimas\\clmsdoc\\html);
ihsetIndexFilePath(D:\\MyProject\\colimas\\index);ihrun(true); }}
运行后生成个文件_icfsdeletablesegments
搜索文件类
/*
* Created on //
*
* TODO To change the template for this generated file go to
* Window Preferences Java Code Style Code Templates
*/package limassearchquery;
/** * @author tyrone * * TODO To change the template for this generated type comment go to
* Window Preferences Java Code Style Code Templates
*/public class HitsHTMLDoc {private String Title;
priva
