package org.tizzit.plugins.server.transformer;
import java.util.Date;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.tizzit.util.xml.SAXHelper;
import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
import de.juwimm.cms.beans.WebServiceSpring;
import de.juwimm.cms.plugins.server.Request;
import de.juwimm.cms.plugins.server.Response;
import de.juwimm.cms.vo.ViewComponentValue;
import de.juwimm.cms.vo.ViewDocumentValue;
/**
* <p>
* <b>Namespace: <code>http://plugins.tizzit.org/LanguageVersionTransformerPlugin</code></b>
* </p>
*
* @author <a href="mailto:rene.hertzfeldt@juwimm.com">Rene Hertzfeldt</a>
* company Juwi MacMillan Group GmbH, Walsrode, Germany
* @version $Id: LanguageVersionTransformerPlugin.java 759 2010-05-05 13:34:28Z rene.hertzfeldt $
*/
public class LanguageVersionTransformerPlugin implements ManagedTizzitPlugin {
private static final Log log = LogFactory.getLog(LanguageVersionTransformerPlugin.class);
private ContentHandler parent;
private final Integer viewComponentId = null;
private boolean hasData = false;
private boolean iAmTheLiveserver = true;
private Integer siteId = null;
private final String language = null;
private WebServiceSpring webSpringBean = null;
private ContentHandler manager;
private String nameSpace;
private ViewComponentValue viewComponentValue;
public void setup(ContentHandler pluginManager, String nameSpace, WebServiceSpring wss, ViewComponentValue viewComponent, boolean liveServer) {
this.manager = pluginManager;
this.nameSpace = nameSpace;
this.webSpringBean = wss;
this.viewComponentValue = viewComponent;
this.iAmTheLiveserver = liveServer;
}
/* (non-Javadoc)
* @see de.juwimm.cms.plugins.server.ConquestPlugin#configurePlugin(de.juwimm.cms.plugins.server.Request, de.juwimm.cms.plugins.server.Response, org.xml.sax.ContentHandler, java.lang.Integer)
*/
public void configurePlugin(Request req, Response resp, ContentHandler ch, Integer uniquePageId) {
if (log.isDebugEnabled()) log.debug("configurePlugin() -> begin");
this.parent = ch;
this.siteId = uniquePageId;
//webSpringBean = (WebServiceSpring) PluginSpringHelper.getBean(objectModel, PluginSpringHelper.WEB_SERVICE_SPRING);
if (log.isDebugEnabled()) log.debug("configurePlugin() -> end");
}
/* (non-Javadoc)
* @see de.juwimm.cms.plugins.server.ConquestPlugin#getLastModifiedDate()
*/
public Date getLastModifiedDate() {
return new Date();
}
/* (non-Javadoc)
* @see de.juwimm.cms.plugins.server.ConquestPlugin#isCacheable()
*/
public boolean isCacheable() {
return false;
}
/* (non-Javadoc)
* @see de.juwimm.cms.plugins.server.ConquestPlugin#processContent()
*/
public void processContent() {
if (log.isDebugEnabled()) log.debug("processContent() -> begin");
if (log.isDebugEnabled()) log.debug("processContent() -> end");
}
/* (non-Javadoc)
* @see org.xml.sax.ContentHandler#startElement(java.lang.String, java.lang.String, java.lang.String, org.xml.sax.Attributes)
*/
public void startElement(String uri, String localName, String qName, Attributes attrs) throws SAXException {
if (log.isDebugEnabled()) log.debug("startElement: " + localName + " in nameSpace: " + uri + " found " + attrs.getLength() + " attributes");
if (!uri.equalsIgnoreCase(nameSpace)) {
manager.startElement(uri, localName, qName, attrs);
}
if (qName.equalsIgnoreCase("language")) {
hasData = true;
}
parent.startElement(uri, localName, qName, attrs);
}
/* (non-Javadoc)
* @see org.xml.sax.ContentHandler#characters(char[], int, int)
*/
public void characters(char[] ch, int start, int length) throws SAXException {
if (log.isDebugEnabled()) log.debug("characters: " + length + " long");
parent.characters(ch, start, length);
}
/**
* creates langName and langUrl Elements under languageVersions Element
*/
private void fillLanguageVersions() {
try {
ViewDocumentValue[] vdd = webSpringBean.getViewDocuments4Site(this.siteId);
for (int i = 0; i < vdd.length; i++) {
String lang = vdd[i].getLanguage();
if (!lang.equals(language)) { // give me only those vc's from other languages
try {
Integer unitId = webSpringBean.getUnit4ViewComponent(viewComponentId).getUnitId();
Integer viewDocumentId = vdd[i].getViewDocumentId();
ViewComponentValue vcl = webSpringBean.getViewComponent4Unit(unitId, viewDocumentId);
if (vcl != null) {
// Maybe for this language there is no page for this unit
if (webSpringBean.isVisibleForLanguageVersion(vcl, iAmTheLiveserver)) {
String langpath = webSpringBean.getPath4ViewComponent(vcl.getViewComponentId());
StringBuffer langua = new StringBuffer("<language>");
langua.append("<langName>").append(lang).append("</langName>");
langua.append("<langUrl>").append(langpath).append("</langUrl>");
langua.append("/language");
SAXHelper.string2sax(langua.toString(), parent);
}
}
} catch (Exception exe) { //if the vcl wont be found. thats ok :)
if (log.isDebugEnabled()) {
log.warn("An error occured", exe);
}
}
}
}
} catch (Exception exe) {
log.warn("An error occured", exe);
}
}
/* (non-Javadoc)
* @see org.xml.sax.ContentHandler#endElement(java.lang.String, java.lang.String, java.lang.String)
*/
public void endElement(String uri, String localName, String qName) throws SAXException {
if (log.isDebugEnabled()) log.debug("endElement: " + localName + " in nameSpace: " + uri);
if (localName.equalsIgnoreCase("languageVersions") && !hasData) {
fillLanguageVersions();
}
parent.endElement(uri, localName, qName);
}
/* (non-Javadoc)
* @see org.xml.sax.ContentHandler#endDocument()
*/
public void endDocument() throws SAXException {
// do nothing
}
/* (non-Javadoc)
* @see org.xml.sax.ContentHandler#endPrefixMapping(java.lang.String)
*/
public void endPrefixMapping(String prefix) throws SAXException {
// do nothing
}
/* (non-Javadoc)
* @see org.xml.sax.ContentHandler#ignorableWhitespace(char[], int, int)
*/
public void ignorableWhitespace(char[] ch, int start, int length) throws SAXException {
// do nothing
}
/* (non-Javadoc)
* @see org.xml.sax.ContentHandler#processingInstruction(java.lang.String, java.lang.String)
*/
public void processingInstruction(String target, String data) throws SAXException {
// do nothing
}
/* (non-Javadoc)
* @see org.xml.sax.ContentHandler#setDocumentLocator(org.xml.sax.Locator)
*/
public void setDocumentLocator(Locator locator) {
// do nothing
}
/* (non-Javadoc)
* @see org.xml.sax.ContentHandler#skippedEntity(java.lang.String)
*/
public void skippedEntity(String name) throws SAXException {
// do nothing
}
/* (non-Javadoc)
* @see org.xml.sax.ContentHandler#startDocument()
*/
public void startDocument() throws SAXException {
// do nothing
}
/* (non-Javadoc)
* @see org.xml.sax.ContentHandler#startPrefixMapping(java.lang.String, java.lang.String)
*/
public void startPrefixMapping(String prefix, String uri) throws SAXException {
// do nothing
}
}