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 org.xml.sax.helpers.AttributesImpl;
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;
/**
* <p>
* <b>Namespace: <code>http://plugins.tizzit.org/DocumentTransformerPlugin</code></b>
* </p>
*
* @author <a href="mailto:rene.hertzfeldt@juwimm.com">Rene Hertzfeldt</a>
* company Juwi MacMillan Group GmbH, Walsrode, Germany
* @version $Id: DocumentTransformerPlugin.java 759 2010-05-05 13:34:28Z rene.hertzfeldt $
*/
public class DocumentTransformerPlugin implements ManagedTizzitPlugin {
private static final Log log = LogFactory.getLog(DocumentTransformerPlugin.class);
private ContentHandler parent;
private final String IMAGE = "image";
private final String DOCUMENT = "document";
private final String MIMETYPE = "mimeType";
private final String TIMESTAMP = "timeStamp";
private boolean iAmTheLiveserver = true;
private WebServiceSpring webSpringBean = null;
private ViewComponentValue viewComponentValue = null;
private Integer viewComponentId = null;
private ContentHandler manager;
private String nameSpace;
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.viewComponentId = uniquePageId;
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 (localName.equalsIgnoreCase(IMAGE)) {
String mime = attrs.getValue(MIMETYPE);
AttributesImpl newAttrs = new AttributesImpl(attrs);
if (mime == null || mime.isEmpty()) {
try {
Integer picId = Integer.decode(attrs.getValue("src"));
mime = webSpringBean.getPictureMimeType(picId);
SAXHelper.setSAXAttr(newAttrs, MIMETYPE, mime);
} catch (NumberFormatException e) {
log.warn("Cound not get int value from: " + attrs.getValue("src"), e);
} catch (Exception e) {
log.warn("Error while getting mime type for picture: " + attrs.getValue("src"), e);
}
}
parent.startElement(null, localName, qName, newAttrs);
} else if (localName.equalsIgnoreCase(DOCUMENT)) {
String mime = attrs.getValue(MIMETYPE);
String timeStamp = attrs.getValue(TIMESTAMP);
AttributesImpl newAttrs = new AttributesImpl(attrs);
if (mime == null || mime.isEmpty()) {
try {
Integer docId = Integer.decode(attrs.getValue("src"));
mime = webSpringBean.getMimetype4Document(docId);
SAXHelper.setSAXAttr(newAttrs, MIMETYPE, mime);
} catch (NumberFormatException e) {
log.warn("Cound not get int value from: " + attrs.getValue("src"), e);
} catch (Exception e) {
log.warn("Error while getting mime type for document: " + attrs.getValue("src"), e);
}
}
if (timeStamp == null || timeStamp.isEmpty()) {
try {
Integer docId = Integer.decode(attrs.getValue("src"));
timeStamp = "" + webSpringBean.getDocumentLastModifiedDate(docId);
SAXHelper.setSAXAttr(newAttrs, TIMESTAMP, timeStamp);
} catch (NumberFormatException e) {
log.warn("Cound not get int value from: " + attrs.getValue("src"), e);
} catch (Exception e) {
log.warn("Error while getting timeStamp for document: " + attrs.getValue("src"), e);
}
}
parent.startElement(uri, localName, qName, newAttrs);
} else {
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);
}
/* (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);
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
}
}