Author: andreas
Date: Fri Jul 3 21:19:04 2009
New Revision: 791016
URL: http://svn.apache.org/viewvc?rev=791016&view=rev
Log:
First version of tagcloud module.
Added:
lenya/contributions/2_0_X/modules/tagcloud/
lenya/contributions/2_0_X/modules/tagcloud/config/
lenya/contributions/2_0_X/modules/tagcloud/config/cocoon-xconf/
lenya/contributions/2_0_X/modules/tagcloud/config/cocoon-xconf/PathToUuidModule.xconf
lenya/contributions/2_0_X/modules/tagcloud/config/module.xml
lenya/contributions/2_0_X/modules/tagcloud/java/
lenya/contributions/2_0_X/modules/tagcloud/java/src/
lenya/contributions/2_0_X/modules/tagcloud/java/src/org/
lenya/contributions/2_0_X/modules/tagcloud/java/src/org/apache/
lenya/contributions/2_0_X/modules/tagcloud/java/src/org/apache/lenya/
lenya/contributions/2_0_X/modules/tagcloud/java/src/org/apache/lenya/modules/
lenya/contributions/2_0_X/modules/tagcloud/java/src/org/apache/lenya/modules/tagcloud/
lenya/contributions/2_0_X/modules/tagcloud/java/src/org/apache/lenya/modules/tagcloud/IndexTermsGenerator.java
lenya/contributions/2_0_X/modules/tagcloud/java/src/org/apache/lenya/modules/tagcloud/PathToUuidModule.java
lenya/contributions/2_0_X/modules/tagcloud/sitemap.xmap
lenya/contributions/2_0_X/modules/tagcloud/xslt/
lenya/contributions/2_0_X/modules/tagcloud/xslt/terms2xhtml.xsl
Added: lenya/contributions/2_0_X/modules/tagcloud/config/cocoon-xconf/PathToUuidModule.xconf
URL: http://svn.apache.org/viewvc/lenya/contributions/2_0_X/modules/tagcloud/config/cocoon-xconf/PathToUuidModule.xconf?rev=791016&view=auto
==============================================================================
--- lenya/contributions/2_0_X/modules/tagcloud/config/cocoon-xconf/PathToUuidModule.xconf (added)
+++ lenya/contributions/2_0_X/modules/tagcloud/config/cocoon-xconf/PathToUuidModule.xconf Fri Jul 3 21:19:04 2009
@@ -0,0 +1,26 @@
+<?xml version="1.0"?>
+<!--
+ 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.
+-->
+
+<!-- $Id: doctypes.xconf 164635 2005-04-25 20:01:43Z tschlabach $ -->
+
+<xconf xpath="/cocoon/input-modules" unless="/cocoon/input-modules/component-instance[@name = 'path2uuid']">
+
+ <component-instance logger="core.modules.input.path-to-uuid" name="path2uuid"
+ class="org.apache.lenya.modules.tagcloud.PathToUuidModule"/>
+
+</xconf>
Added: lenya/contributions/2_0_X/modules/tagcloud/config/module.xml
URL: http://svn.apache.org/viewvc/lenya/contributions/2_0_X/modules/tagcloud/config/module.xml?rev=791016&view=auto
==============================================================================
--- lenya/contributions/2_0_X/modules/tagcloud/config/module.xml (added)
+++ lenya/contributions/2_0_X/modules/tagcloud/config/module.xml Fri Jul 3 21:19:04 2009
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="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.
+-->
+
+<module xmlns="http://apache.org/lenya/module/1.0">
+ <id>org.apache.lenya.modules.tagcloud</id>
+ <depends module="org.apache.lenya.modules.lucene"/>
+ <package>org.apache.lenya.modules</package>
+ <version>0.1-dev</version>
+ <name>Tag Cloud</name>
+ <lenya-version>1.0-SNAPSHOT</lenya-version>
+ <description>Tag cloud</description>
+</module>
\ No newline at end of file
Added: lenya/contributions/2_0_X/modules/tagcloud/java/src/org/apache/lenya/modules/tagcloud/IndexTermsGenerator.java
URL: http://svn.apache.org/viewvc/lenya/contributions/2_0_X/modules/tagcloud/java/src/org/apache/lenya/modules/tagcloud/IndexTermsGenerator.java?rev=791016&view=auto
==============================================================================
--- lenya/contributions/2_0_X/modules/tagcloud/java/src/org/apache/lenya/modules/tagcloud/IndexTermsGenerator.java (added)
+++ lenya/contributions/2_0_X/modules/tagcloud/java/src/org/apache/lenya/modules/tagcloud/IndexTermsGenerator.java Fri Jul 3 21:19:04 2009
@@ -0,0 +1,164 @@
+/*
+ * 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.
+ */
+package org.apache.lenya.modules.tagcloud;
+
+import java.io.IOException;
+import java.util.Map;
+import java.util.SortedMap;
+import java.util.SortedSet;
+import java.util.TreeMap;
+import java.util.TreeSet;
+
+import org.apache.avalon.framework.parameters.ParameterException;
+import org.apache.avalon.framework.parameters.Parameters;
+import org.apache.cocoon.ProcessingException;
+import org.apache.cocoon.environment.SourceResolver;
+import org.apache.cocoon.generation.AbstractGenerator;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.index.TermEnum;
+import org.apache.lucene.search.BooleanQuery;
+import org.apache.lucene.search.Hits;
+import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.search.TermQuery;
+import org.xml.sax.SAXException;
+import org.xml.sax.helpers.AttributesImpl;
+
+public class IndexTermsGenerator extends AbstractGenerator {
+
+ public static final String NAMESPACE = "http://apache.org/lenya/search";
+ public static final String ELEM_TERMS = "terms";
+ public static final String ELEM_TERM = "term";
+ public static final String ATTR_FIELD = "field";
+ public static final String ATTR_HITS = "hits";
+ public static final String ATTR_RELATIVE_HITS = "relativeHits";
+
+ protected static final String PARAM_INDEX_PATH = "indexPath";
+ protected static final String PARAM_FIELD = "field";
+ protected static final String PARAM_LANGUAGE = "language";
+ protected static final String PARAM_MAX = "max";
+ protected static final int DEFAULT_MAX = 10;
+ protected static final String ALL_LANGUAGES = "*";
+
+ private String indexPath;
+ private String fieldName;
+ private float max;
+ private String language;
+
+ @Override
+ public void setup(SourceResolver resolver, Map objectModel, String src, Parameters par)
+ throws ProcessingException, SAXException, IOException {
+ super.setup(resolver, objectModel, src, par);
+ try {
+ this.indexPath = par.getParameter(PARAM_INDEX_PATH);
+ this.fieldName = par.getParameter(PARAM_FIELD);
+ this.language = par.getParameter(PARAM_LANGUAGE, ALL_LANGUAGES);
+ this.max = par.getParameterAsFloat(PARAM_MAX, DEFAULT_MAX);
+ } catch (final ParameterException e) {
+ throw new ProcessingException(e);
+ }
+ }
+
+ public void generate() throws IOException, SAXException, ProcessingException {
+
+ this.contentHandler.startDocument();
+ this.contentHandler.startPrefixMapping("", NAMESPACE);
+
+ final AttributesImpl attrs = new AttributesImpl();
+ attrs.addAttribute("", ATTR_FIELD, ATTR_FIELD, "CDATA", this.fieldName);
+ this.contentHandler.startElement(NAMESPACE, ELEM_TERMS, ELEM_TERMS, attrs);
+
+ final SortedMap<String, Integer> value2hits = getIndexedValues();
+
+ final SortedSet<Integer> hitSet = new TreeSet<Integer>(value2hits.values());
+ final float maxHits = hitSet.last();
+ final float factor = this.max / maxHits;
+
+ for (String value : value2hits.keySet()) {
+ final AttributesImpl termAttrs = new AttributesImpl();
+ final int hits = value2hits.get(value);
+ termAttrs.addAttribute("", ATTR_HITS, ATTR_HITS, "CDATA", Integer.toString(hits));
+ final int relHits = Math.round(hits * factor);
+ termAttrs.addAttribute("", ATTR_RELATIVE_HITS, ATTR_RELATIVE_HITS, "CDATA", Integer
+ .toString(relHits));
+ this.contentHandler.startElement(NAMESPACE, ELEM_TERM, ELEM_TERM, termAttrs);
+ final char[] chars = value.toCharArray();
+ this.contentHandler.characters(chars, 0, chars.length);
+ this.contentHandler.endElement(NAMESPACE, ELEM_TERM, ELEM_TERM);
+ }
+
+ this.contentHandler.endElement(NAMESPACE, ELEM_TERMS, ELEM_TERMS);
+ this.contentHandler.endPrefixMapping("");
+ this.contentHandler.endDocument();
+
+ }
+
+ protected SortedMap<String, Integer> getIndexedValues() throws SAXException, IOException {
+ final SortedMap<String, Integer> value2hits = new TreeMap<String, Integer>();
+ TermEnum terms = null;
+ IndexReader indexReader = null;
+ IndexSearcher searcher = null;
+ try {
+ indexReader = IndexReader.open(this.indexPath);
+ searcher = new IndexSearcher(indexReader);
+
+ // For more information, see
+ // "How do I retrieve all the values of a particular field that exists within an index, across all documents?"
+ // http://wiki.apache.org/lucene-java/LuceneFAQ#head-a801793d7479264e29157d92440199b35266dc18
+
+ terms = indexReader.terms(new Term(this.fieldName, ""));
+ while (this.fieldName.equals(terms.term().field())) {
+ final Term term = terms.term();
+ final String value = term.text();
+
+ // do expensive language filtering only if language parameter was set
+ if (this.language.equals(ALL_LANGUAGES)) {
+ value2hits.put(term.text(), indexReader.docFreq(term));
+ } else {
+ final Query langQuery = new TermQuery(new Term("language", this.language));
+ final Query tagQuery = new TermQuery(new Term(this.fieldName, value));
+ final BooleanQuery query = new BooleanQuery();
+ query.add(langQuery, true, false);
+ query.add(tagQuery, true, false);
+ final Hits hits = searcher.search(query);
+ final int length = hits.length();
+ if (length > 0) {
+ value2hits.put(value, hits.length());
+ }
+ }
+ if (!terms.next())
+ break;
+ }
+
+ } catch (final Exception e) {
+ throw new SAXException(e);
+ } finally {
+ if (terms != null) {
+ terms.close();
+ }
+ if (searcher != null) {
+ searcher.close();
+ }
+ if (indexReader != null) {
+ indexReader.close();
+ }
+ }
+ return value2hits;
+ }
+
+}
Added: lenya/contributions/2_0_X/modules/tagcloud/java/src/org/apache/lenya/modules/tagcloud/PathToUuidModule.java
URL: http://svn.apache.org/viewvc/lenya/contributions/2_0_X/modules/tagcloud/java/src/org/apache/lenya/modules/tagcloud/PathToUuidModule.java?rev=791016&view=auto
==============================================================================
--- lenya/contributions/2_0_X/modules/tagcloud/java/src/org/apache/lenya/modules/tagcloud/PathToUuidModule.java (added)
+++ lenya/contributions/2_0_X/modules/tagcloud/java/src/org/apache/lenya/modules/tagcloud/PathToUuidModule.java Fri Jul 3 21:19:04 2009
@@ -0,0 +1,68 @@
+/*
+ * 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.
+ */
+package org.apache.lenya.modules.tagcloud;
+
+import java.util.Map;
+import java.util.StringTokenizer;
+
+import org.apache.avalon.framework.configuration.Configuration;
+import org.apache.avalon.framework.configuration.ConfigurationException;
+import org.apache.avalon.framework.service.ServiceException;
+import org.apache.avalon.framework.service.ServiceManager;
+import org.apache.avalon.framework.service.Serviceable;
+import org.apache.cocoon.components.modules.input.AbstractInputModule;
+import org.apache.cocoon.environment.ObjectModelHelper;
+import org.apache.cocoon.environment.Request;
+import org.apache.lenya.cms.publication.Area;
+import org.apache.lenya.cms.publication.DocumentFactory;
+import org.apache.lenya.cms.publication.DocumentUtil;
+import org.apache.lenya.cms.publication.Publication;
+import org.apache.lenya.cms.repository.RepositoryException;
+import org.apache.lenya.cms.repository.RepositoryUtil;
+import org.apache.lenya.cms.repository.Session;
+
+public class PathToUuidModule extends AbstractInputModule implements Serviceable {
+
+ private ServiceManager manager;
+
+ @Override
+ public Object getAttribute(String name, Configuration modeConf, Map objectModel)
+ throws ConfigurationException {
+
+ StringTokenizer tokens = new StringTokenizer(name, ":");
+ String pubId = tokens.nextToken();
+ String areaName = tokens.nextToken();
+ String path = tokens.nextToken();
+ Request request = ObjectModelHelper.getRequest(objectModel);
+ try {
+ Session session = RepositoryUtil.getSession(this.manager, request);
+ DocumentFactory factory = DocumentUtil.createDocumentFactory(this.manager, session);
+ Publication pub = factory.getPublication(pubId);
+ Area area = pub.getArea(areaName);
+ String uuid = area.getSite().getNode(path).getUuid();
+ return uuid;
+ } catch (RepositoryException e) {
+ throw new ConfigurationException(e.getMessage(), e);
+ }
+
+ }
+
+ public void service(ServiceManager manager) throws ServiceException {
+ this.manager = manager;
+ }
+
+}
Added: lenya/contributions/2_0_X/modules/tagcloud/sitemap.xmap
URL: http://svn.apache.org/viewvc/lenya/contributions/2_0_X/modules/tagcloud/sitemap.xmap?rev=791016&view=auto
==============================================================================
--- lenya/contributions/2_0_X/modules/tagcloud/sitemap.xmap (added)
+++ lenya/contributions/2_0_X/modules/tagcloud/sitemap.xmap Fri Jul 3 21:19:04 2009
@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="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.
+-->
+
+<map:sitemap xmlns:map="http://apache.org/cocoon/sitemap/1.0">
+
+ <map:components>
+ <map:generators default="file">
+ <map:generator name="index-terms" src="org.apache.lenya.modules.tagcloud.IndexTermsGenerator"/>
+ </map:generators>
+ </map:components>
+
+ <map:pipelines>
+
+ <map:pipeline>
+
+ <!-- pattern: {1:pub}/{2:area}/{3:lang}/terms.xml -->
+ <map:match pattern="*/*/*/terms.xml">
+ <map:generate type="index-terms">
+ <map:parameter name="indexPath" value="{index-path:{1}-{2}}"/>
+ <map:parameter name="field" value="\{http://purl.org/dc/elements/1.1/}subject"/>
+ <map:parameter name="language" value="{3}"/>
+ </map:generate>
+ <map:serialize type="xml"/>
+ </map:match>
+
+ <!-- pattern: {1:pub}/{2:area}/{3:lang}/tagcloud.xml -->
+ <map:match pattern="*/*/*/tagcloud.xml">
+ <map:generate src="cocoon:/{1}/{2}/{3}/terms.xml"/>
+ <map:transform src="xslt/terms2xhtml.xsl">
+ <map:parameter name="searchDocUuid" value="{path2uuid:{1}:{2}:/search}"/>
+ <map:parameter name="field" value="\\{http\://purl.org/dc/elements/1.1/\}subject"/>
+ </map:transform>
+ <map:serialize type="xml"/>
+ </map:match>
+
+ </map:pipeline>
+
+ </map:pipelines>
+</map:sitemap>
Added: lenya/contributions/2_0_X/modules/tagcloud/xslt/terms2xhtml.xsl
URL: http://svn.apache.org/viewvc/lenya/contributions/2_0_X/modules/tagcloud/xslt/terms2xhtml.xsl?rev=791016&view=auto
==============================================================================
--- lenya/contributions/2_0_X/modules/tagcloud/xslt/terms2xhtml.xsl (added)
+++ lenya/contributions/2_0_X/modules/tagcloud/xslt/terms2xhtml.xsl Fri Jul 3 21:19:04 2009
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"
+ xmlns:search="http://apache.org/lenya/search"
+ xmlns="http://www.w3.org/1999/xhtml"
+ exclude-result-prefixes="search">
+
+
+ <xsl:param name="searchDocUuid"/>
+ <xsl:param name="field"/>
+
+ <xsl:template match="search:terms">
+ <div class="tagCloud">
+ <h3>Tags</h3>
+ <xsl:apply-templates/>
+ </div>
+ </xsl:template>
+
+
+ <xsl:template match="search:term">
+ <a style="font-size: {11 + @relativeHits}px"
+ href="lenya-document:{$searchDocUuid}?type=raw&queryString={$field}:{.}">
+ <xsl:value-of select="."/>
+ </a>
+ <xsl:text> </xsl:text>
+ </xsl:template>
+
+
+</xsl:stylesheet>
\ No newline at end of file
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