stefano 01/12/11 14:54:25
Added: webapp/search index.xsp search.xsp sitemap.xmap
statistics.xsp welcome.xsp
Log:
adding the search pages
Revision Changes Path
1.1 xml-cocoon2/webapp/search/index.xsp
Index: index.xsp
===================================================================
<?xml version="1.0" encoding="ISO-8859-1"?>
<xsp:page
language="java"
xmlns:xsp="http://apache.org/xsp";
xmlns:xsp-request="http://apache.org/xsp/request/2.0";
xmlns:log="http://apache.org/xsp/log/2.0";
xmlns:capture="http://apache.org/cocoon/capture/1.0";
>
<xsp:structure>
<xsp:include>org.apache.avalon.framework.context.ContextException</xsp:include>
<xsp:include>org.apache.avalon.framework.component.ComponentException</xsp:include>
<xsp:include>org.apache.cocoon.ProcessingException</xsp:include>
<xsp:include>java.net.URL</xsp:include>
<xsp:include>java.net.MalformedURLException</xsp:include>
<xsp:include>org.apache.cocoon.components.language.markup.xsp.XSPUtil</xsp:include>
<xsp:include>org.apache.avalon.framework.context.ContextException</xsp:include>
<xsp:include>org.apache.cocoon.components.lucene.*</xsp:include>
<xsp:include>org.apache.lucene.store.Directory</xsp:include>
<xsp:include>org.apache.lucene.analysis.Analyzer</xsp:include>
</xsp:structure>
<xsp:logic>
File workDir = null;
/** Contextualize this class */
public void contextualize(Context context) throws ContextException {
super.contextualize( context );
workDir = (File) context.get(Constants.CONTEXT_WORK_DIR);
}
LuceneCocoonIndexer lcii;
Analyzer analyzer = LuceneCocoonHelper.getAnalyzer(
"org.apache.lucene.analysis.standard.StandardAnalyzer" );
void createIndex() throws ProcessingException {
try {
boolean create = true;
lcii = (LuceneCocoonIndexer)this.manager.lookup( LuceneCocoonIndexer.ROLE );
Directory directory = LuceneCocoonHelper.getDirectory( new File( workDir,
"index" ), create );
lcii.setAnalyzer( analyzer );
URL base_url = new URL( "http://localhost/cocoon/documents/index.html"; );
lcii.index( directory, create, base_url );
this.manager.release( lcii );
} catch (MalformedURLException mue) {
throw new ProcessingException( "MalformedURLException in createIndex()!", mue
);
} catch (IOException ioe) {
// ignore ??
throw new ProcessingException( "IOException in createIndex()!", ioe );
// } catch (ProcessingException pe) {
// ignore ??
// throw new ProcessingException( "ProcessingException in createIndex()!", pe );
} catch (ComponentException ce) {
// ignore ??
throw new ProcessingException( "ComponentException in createIndex()!", ce );
} finally {
if (lcii != null) {
this.manager.release( lcii );
}
lcii = null;
}
}
</xsp:logic>
<page>
<xsp:logic>
createIndex();
</xsp:logic>
<content>
<para>
Hello Cocoon-indexer
</para>
</content>
</page>
</xsp:page>
1.1 xml-cocoon2/webapp/search/search.xsp
Index: search.xsp
===================================================================
<?xml version="1.0" encoding="ISO-8859-1"?>
<xsp:page
language="java"
xmlns:xsp="http://apache.org/xsp";
xmlns:xsp-request="http://apache.org/xsp/request/2.0";
xmlns:log="http://apache.org/xsp/log/2.0";
xmlns:capture="http://apache.org/cocoon/capture/1.0";
>
<xsp:structure>
<xsp:include>org.apache.avalon.framework.context.ContextException</xsp:include>
<xsp:include>org.apache.avalon.framework.component.ComponentException</xsp:include>
<xsp:include>org.apache.cocoon.ProcessingException</xsp:include>
<xsp:include>org.apache.cocoon.components.language.markup.xsp.XSPUtil</xsp:include>
<xsp:include>org.apache.cocoon.components.lucene.*</xsp:include>
<xsp:include>org.apache.lucene.analysis.Analyzer</xsp:include>
<xsp:include>org.apache.lucene.store.*</xsp:include>
<xsp:include>org.apache.lucene.document.*</xsp:include>
<xsp:include>org.apache.lucene.search.Hits</xsp:include>
<xsp:include>java.util.*</xsp:include>
</xsp:structure>
<xsp:logic>
File workDir = null;
/** Contextualize this class */
public void contextualize(Context context) throws ContextException {
super.contextualize( context );
workDir = (File) context.get(Constants.CONTEXT_WORK_DIR);
}
LuceneCocoonSearcher lcs;
Directory directory;
Analyzer analyzer = LuceneCocoonHelper.getAnalyzer(
"org.apache.lucene.analysis.standard.StandardAnalyzer" );
Hits search( String query_string ) throws ProcessingException {
Hits hits = null;
try {
lcs = (LuceneCocoonSearcher)this.manager.lookup( LuceneCocoonSearcher.ROLE );
lcs.setAnalyzer( analyzer );
if (directory == null) {
directory = LuceneCocoonHelper.getDirectory( new File( workDir, "index" ),
false );
}
lcs.setDirectory( directory );
hits = lcs.search( query_string, LuceneXMLIndexer.BODY_FIELD );
start = 0;
end = Math.min(hits.length(), start + hitsPerPage);
} catch (IOException ioe) {
// ignore ??
throw new ProcessingException( "IOException in search", ioe );
} catch (ProcessingException pe) {
// ignore ??
throw new ProcessingException( "ProcessingException in search", pe );
} catch (ComponentException ce) {
// ignore ??
throw new ProcessingException( "ComponentException in search", ce );
} finally {
if (lcs != null) {
this.manager.release( lcs );
}
lcs = null;
}
return hits;
}
int hitsPerPage = 10;
int start = 0;
int end = 0;
Hits hits;
LuceneCocoonPager luceneCocoonPager;
</xsp:logic>
<page>
<xsp:logic>
String queryString = <xsp-request:get-parameter name="queryString"
default=""/>;
boolean findIt = "Find!".equals( <xsp-request:get-parameter name="find"/> );
Integer startIndex = null;
Integer pageLength = null;
try {
startIndex = new Integer( <xsp-request:get-parameter name="startIndex"
default="0"/> );
pageLength = new Integer( <xsp-request:get-parameter name="pageLength"
default="10"/> );
} catch (NumberFormatException nfe) {
// ignore it
}
</xsp:logic>
<title>Index Search</title>
<content>
<para>
<form action="search">
<input type="text" name="queryString" size="60">
<xsp:attribute
name="value"><xsp:expr>queryString</xsp:expr></xsp:attribute>
</input>
<input type="submit" name="find" value="Find!"/>
</form>
</para>
<para>
Search Help
<table cellspacing="2" cellpadding="2">
<tr bgcolor="#dddedd" valign="top">
<td><font size="-2">
<ul>
<li>free AND "text search"
Search for documents containing "free" and the
phrase "text search"
</li>
<li>+text search
Search for documents containing "text" and
preferentially containing "search".
</li>
</ul>
</font></td>
<td><font size="-2">
<ul>
<li>giants -football
Search for "giants" but omit documents containing "football"
</li>
<li>body:john
Search for documents containing "john" in the body field.
The field "body" is used by default.
Thus query "body:john" is equivalent to query "john".
</li>
<li>s1@title:cocoon
Search for documents containing "cocoon" in the
using field s1@title, ie searching in
title attribute of s1 element of xml document.
</li>
</ul>
</font></td>
</tr>
</table>
</para>
<para>
SearchResult:
<xsp:logic>
if (queryString != null && queryString.length() != 0) {
// do the search, search results are available in hits
hits = search( queryString );
luceneCocoonPager = new LuceneCocoonPager( hits );
if (startIndex != null && pageLength != null) {
luceneCocoonPager.setStartIndex( startIndex.intValue() );
luceneCocoonPager.setCountOfHitsPerPage( pageLength.intValue() );
}
<xsp:content>
Total Hits: <xsp:expr>hits.length()</xsp:expr>
</xsp:content>
}
</xsp:logic>
</para>
<para>
<a target="_blank" href="statistic">Index Statistic</a>
</para>
<para>
<table width="90%" cellpadding="4" border="1">
<tr>
<td>Score</td><td>Count</td><td>URL</td>
</tr>
<xsp:logic>
if (luceneCocoonPager!= null && luceneCocoonPager.hasNext()) {
int counter = luceneCocoonPager.getStartIndex();
List l = (List)luceneCocoonPager.next();
Iterator i = l.iterator();
for (; i.hasNext(); counter++) {
LuceneCocoonPager.HitWrapper hw =
(LuceneCocoonPager.HitWrapper)i.next();
Document doc = hw.getDocument();
float score = hw.getScore();
String url = doc.get( LuceneXMLIndexer.URL_FIELD );
<xsp:content>
<tr>
<td> <xsp:expr>String.valueOf((int)(score * 100.0f))</xsp:expr>%
</td>
<td> <xsp:expr>String.valueOf(counter)</xsp:expr> </td>
<td>
<a target="_blank">
<xsp:attribute
name="href"><xsp:expr>url</xsp:expr></xsp:attribute>
<xsp:expr>url</xsp:expr>
</a>
</td>
</tr>
</xsp:content>
}
}
</xsp:logic>
</table>
</para>
<para>
<xsp:logic>
if (luceneCocoonPager!= null && luceneCocoonPager != null
&& luceneCocoonPager.hasPrevious()) {
<xsp:content>previous
<xsp:expr>String.valueOf(luceneCocoonPager.previousIndex())</xsp:expr></xsp:content>
<form action="search">
<input type="hidden" name="queryString">
<xsp:attribute
name="value"><xsp:expr>String.valueOf(queryString)</xsp:expr></xsp:attribute>
</input>
<input type="hidden" name="startIndex">
<xsp:attribute
name="value"><xsp:expr>String.valueOf(luceneCocoonPager.previousIndex())</xsp:expr></xsp:attribute>
</input>
<input type="hidden" name="pageLength">
<xsp:attribute
name="value"><xsp:expr>String.valueOf(luceneCocoonPager.getCountOfHitsPerPage())</xsp:expr></xsp:attribute>
</input>
<input type="submit" name="previous" value="previous"/>
</form>
}
</xsp:logic>
<xsp:logic>
if (luceneCocoonPager != null && luceneCocoonPager.hasNext()) {
<xsp:content>next
<xsp:expr>String.valueOf(luceneCocoonPager.nextIndex())</xsp:expr></xsp:content>
<form action="search">
<input type="hidden" name="queryString">
<xsp:attribute
name="value"><xsp:expr>String.valueOf(queryString)</xsp:expr></xsp:attribute>
</input>
<input type="hidden" name="startIndex">
<xsp:attribute
name="value"><xsp:expr>String.valueOf(luceneCocoonPager.nextIndex())</xsp:expr></xsp:attribute>
</input>
<input type="hidden" name="pageLength">
<xsp:attribute
name="value"><xsp:expr>String.valueOf(luceneCocoonPager.getCountOfHitsPerPage())</xsp:expr></xsp:attribute>
</input>
<input type="submit" name="next" value="next"/>
</form>
}
</xsp:logic>
</para>
</content>
</page>
</xsp:page>
1.1 xml-cocoon2/webapp/search/sitemap.xmap
Index: sitemap.xmap
===================================================================
<?xml version="1.0"?>
<map:sitemap xmlns:map="http://apache.org/cocoon/sitemap/1.0";>
<!-- =========================== Components ================================
<map:components>
<map:generators default="file"/>
<map:transformers default="xslt"/>
<map:readers default="resource"/>
<map:serializers default="html"/>
<map:selectors default="browser"/>
<map:matchers default="wildcard"/>
</map:components>
-->
<!-- =========================== Pipelines ================================= -->
<map:pipelines>
<map:pipeline>
<map:match pattern="">
<map:redirect-to uri="welcome"/>
</map:match>
<map:match pattern="*">
<map:generate type="serverpages" src="{1}.xsp"/>
<map:transform src="context://stylesheets/dynamic-page2html.xsl">
<map:serialize/>
</map:match>
<map:handle-errors>
<map:transform src="cocoon://stylesheets/system/error2html.xsl"/>
<map:serialize status-code="500"/>
</map:handle-errors>
</map:pipeline>
</map:pipelines>
</map:sitemap>
1.1 xml-cocoon2/webapp/search/statistics.xsp
Index: statistics.xsp
===================================================================
<?xml version="1.0" encoding="ISO-8859-1"?>
<xsp:page
language="java"
xmlns:xsp="http://apache.org/xsp";
xmlns:xsp-request="http://apache.org/xsp/request/2.0";
xmlns:log="http://apache.org/xsp/log/2.0";
xmlns:capture="http://apache.org/cocoon/capture/1.0";
>
<xsp:structure>
<xsp:include>org.apache.avalon.framework.context.ContextException</xsp:include>
<xsp:include>org.apache.cocoon.components.lucene.*</xsp:include>
<xsp:include>org.apache.lucene.document.Document</xsp:include>
<xsp:include>org.apache.lucene.index.*</xsp:include>
<xsp:include>org.apache.lucene.document.*</xsp:include>
<xsp:include>org.apache.lucene.store.*</xsp:include>
<xsp:include>java.io.*</xsp:include>
<xsp:include>java.util.*</xsp:include>
<xsp:include>java.net.*</xsp:include>
</xsp:structure>
<xsp:logic>
File workDir = null;
/** Contextualize this class */
public void contextualize(Context context) throws ContextException {
super.contextualize( context );
workDir = (File) context.get(Constants.CONTEXT_WORK_DIR);
}
Directory directory;
void init() throws ProcessingException {
try {
directory = LuceneCocoonHelper.getDirectory( new File( workDir, "index" ),
false );
} catch (Exception e) {
throw new ProcessingException( "Exception in init()!", e );
}
}
int numDocs() throws ProcessingException {
try {
IndexReader reader = IndexReader.open( directory );
int num_docs;
num_docs = reader.numDocs();
return num_docs;
} catch (Exception e) {
throw new ProcessingException( "Exception in numDocs()!", e );
}
}
Map allDocuments() throws ProcessingException {
try {
IndexReader reader = IndexReader.open( directory );
HashMap fieldsStatistic = new HashMap();
for (int i = 0; i < reader.maxDoc(); i++ ) {
if (!reader.isDeleted(i)) {
Document document = reader.document(i);
Enumeration fields = document.fields();
while (fields.hasMoreElements()) {
Field f = (Field)fields.nextElement();
String name = f.name();
String value = f.stringValue();
if (value == null) value = "--void--";
String fieldStatistic = name + "/" + value;
if (fieldsStatistic.get( fieldStatistic ) == null) {
fieldsStatistic.put( fieldStatistic, new Integer(1) );
} else {
Integer sum = (Integer)fieldsStatistic.get( fieldStatistic );
int sum_plus = sum.intValue() + 1;
fieldsStatistic.put( fieldStatistic, new Integer( sum_plus ) );
}
}
}
}
return fieldsStatistic;
//map.keySet();
} catch (Exception e) {
throw new ProcessingException( "Exception allDocuments()!", e );
}
}
Map allTerms() throws ProcessingException {
try {
IndexReader reader = IndexReader.open( directory );
TermEnum te = reader.terms();
HashMap all_fields = new HashMap();
while (te.next()) {
Term term = te.term();
int docfreq = te.docFreq();
String field = term.field();
if (field != null) {
if (all_fields.containsKey( field )) {
Integer sum = (Integer)all_fields.get( field );
int sum_plus = sum.intValue() + docfreq;
all_fields.put( field, new Integer( sum_plus ) );
} else {
all_fields.put( field, new Integer( docfreq ) );
}
}
}
te.close();
return all_fields;
} catch (Exception e) {
throw new ProcessingException( "Exception allDocuments()!", e );
}
}
Map sort( Map map ) {
TreeMap treeMap = new TreeMap( map );
return treeMap;
}
</xsp:logic>
<page>
<xsp:logic>
init();
</xsp:logic>
<title>Index Statistics</title>
<content>
<para>
Statistics:
</para>
<para>
Total Count Of Documents
<xsp:expr>String.valueOf(numDocs())</xsp:expr>
</para>
<para>
<table>
<tr>
<td>Count Of Terms</td><td>Fieldname/Fieldvalue</td>
</tr>
<xsp:logic>
Map all_docs = sort(allDocuments());
Iterator it1 = all_docs.keySet().iterator();
while (it1.hasNext()) {
String k = (String)it1.next();
Integer v = (Integer)all_docs.get( k );
<xsp:content>
<tr>
<td> <xsp:expr>v.toString()</xsp:expr> </td>
<td> <xsp:expr>k</xsp:expr> </td>
</tr>
</xsp:content>
}
</xsp:logic>
</table>
</para>
<para>
All Terms
</para>
<para>
<table>
<tr>
<td>Count Of Terms</td><td>Term</td>
</tr>
<xsp:logic>
Map all_terms = sort(allTerms());
Iterator it2 = all_terms.keySet().iterator();
while (it2.hasNext()) {
String k = (String)it2.next();
Integer v = (Integer)all_terms.get( k );
<xsp:content>
<tr>
<td> <xsp:expr>v.toString()</xsp:expr> </td>
<td> <xsp:expr>k</xsp:expr> </td>
</tr>
</xsp:content>
}
</xsp:logic>
</table>
</para>
</content>
</page>
</xsp:page>
1.1 xml-cocoon2/webapp/search/welcome.xsp
Index: welcome.xsp
===================================================================
<?xml version="1.0" encoding="ISO-8859-1"?>
<xsp:page
language="java"
xmlns:xsp="http://apache.org/xsp";
xmlns:xsp-request="http://apache.org/xsp/request/2.0";
xmlns:log="http://apache.org/xsp/log/2.0";
xmlns:capture="http://apache.org/cocoon/capture/1.0";
>
<page>
<title>Welcome</title>
<content>
<h1>Lucene Search Demo</h1>
<center>
<form name="search" action="search" method="get">
<table>
<tr><td></td>
<td>
<input name="queryString" size="44"/> <input type="submit"
value="Search"/>
</td>
</tr>
<tr>
<td>Index</td>
<td>
<select name="index">
<option value="index">index</option>
<option value="index-1">index-1</option>
<option value="index-2">index-2</option>
<option value="index-3">index-3</option>
</select>
</td>
</tr>
<tr>
<td>Analyzer Class</td>
<td>
<select name="analyzerClassName">
<option
value="org.apache.lucene.analysis.StopAnalyzer">StopAnalyzer</option>
<option
value="org.apache.lucene.analysis.standard.StandardAnalyzer">StandardAnalyzer</option>
<option
value="org.apache.lucene.analysis.de.GermanAnalyzer">GermanAnalyzer</option>
<option
value="org.apache.lucene.analysis.SimpleAnalyzer">SimpleAnalyzer</option>
</select>
</td>
</tr>
</table>
</form>
</center>
</content>
</page>
</xsp:page>
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