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libreccm-legacy
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Republizierte Items werden jetzt aus dem Cache entfernt 

git-svn-id: https://svn.libreccm.org/ccm/trunk@2141 8810af33-2d31-482b-a856-94f89814c4df
master
jensp 2013-04-24 11:46:57 +00:00
parent 9a41854aa3
commit 0c7dca5463
1 changed files with 56 additions and 30 deletions
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86
ccm-cms/src/com/arsdigita/cms/dispatcher/SimpleXMLGenerator.java
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@ -42,6 +42,7 @@ import com.arsdigita.persistence.OID;
import com.arsdigita.persistence.metadata.Property;
import com.arsdigita.util.UncheckedWrapperException;
import com.arsdigita.xml.Element;
import java.util.HashMap;
import org.apache.log4j.Logger;
import java.util.Iterator;
import java.util.LinkedHashMap;
@ -55,7 +56,7 @@ import java.util.Map;
* @version $Id: SimpleXMLGenerator.java 2167 2011-06-19 21:12:12Z pboy $
*/
public class SimpleXMLGenerator implements XMLGenerator {
private static final Logger s_log = Logger.getLogger(SimpleXMLGenerator.class);
public static final String ADAPTER_CONTEXT = SimpleXMLGenerator.class.getName();
/**
@ -83,11 +84,15 @@ public class SimpleXMLGenerator implements XMLGenerator {
*/
private String itemElemName = "cms:item";
private String itemElemNs = CMS.CMS_XML_NS;
//Cache for generated XML
private static final CacheTable CACHE = new CacheTable(
SimpleXMLGenerator.class.getName() + "Cache",
CMSConfig.getInstance().getXmlCacheSize(),
CMSConfig.getInstance().getXmlCacheAge(),
true);
//Stores the master ID of the cached items and the ID of cached version. Used to delete obsolete entries in the
//cash after republishing
private static final Map<String, String> CACHED_ITEMS = new HashMap<String, String>();
//private static final Map<OID, Element> cache = new HashMap<OID, Element>();
//private static final boolean USE_CACHE = false;
@ -202,21 +207,21 @@ public class SimpleXMLGenerator implements XMLGenerator {
final Element cached = (Element) CACHE.get(item.getOID().toString());
//parent.importElement(content);
cached.syncDocs();
content = startElement(useContext);
final Iterator entries = cached.getAttributes().entrySet().iterator();
Map.Entry entry;
while(entries.hasNext()) {
while (entries.hasNext()) {
entry = (Map.Entry) entries.next();
content.addAttribute((String) entry.getKey(), (String) entry.getValue());
content.addAttribute((String) entry.getKey(), (String) entry.getValue());
}
final Iterator childs = cached.getChildren().iterator();
while(childs.hasNext()) {
copyElement(content, (Element) childs.next());
while (childs.hasNext()) {
copyElement(content, (Element) childs.next());
}
} else {
s_log.debug("Item is not in cache, generating item.");
content = startElement(useContext);
final ContentItemXMLRenderer renderer = new ContentItemXMLRenderer(content);
@ -236,11 +241,15 @@ public class SimpleXMLGenerator implements XMLGenerator {
//parent.addContent(content);
if (CMSConfig.getInstance().getEnableXmlCache()) {
validateCache(item);
}
//Only published items
//Only the XML of the item itself, no extra XML
if (item.isLiveVersion()) {
if (CMSConfig.getInstance().getEnableXmlCache() && item.isLiveVersion()) {
s_log.debug("Putting item item into the cache.");
final Element cachedElem = startCachedElement(useContext);
final Element cachedElem = startCachedElement(useContext);
final Iterator entries = content.getAttributes().entrySet().iterator();
Map.Entry entry;
while (entries.hasNext()) {
@ -252,16 +261,16 @@ public class SimpleXMLGenerator implements XMLGenerator {
//cachedElem.newChildElement((Element) childs.next());
copyElement(cachedElem, (Element) childs.next());
}
CACHE.put(item.getOID().toString(), cachedElem);
CACHE.put(item.getOID().toString(), cachedElem);
}
}
//Only item XML Cache End
// s_log.debug("Content elem content: ");
// logElementTree(content);
// s_log.debug("Content elem content end -- ");
/*
* 2011-08-27 jensp: Introduced to remove the annoying special templates
* for MultiPartArticle, SiteProxy and others. The method called
@ -307,7 +316,7 @@ public class SimpleXMLGenerator implements XMLGenerator {
draftItem,
item.getContentSection(),
draftItem.getVersion()));
}
}
parent.addContent(content);
@ -399,7 +408,7 @@ public class SimpleXMLGenerator implements XMLGenerator {
return element;
}
private Element startCachedElement(final String useContext) {
final Element element = new Element(itemElemName, itemElemNs) {
@Override
@ -407,33 +416,34 @@ public class SimpleXMLGenerator implements XMLGenerator {
s_log.debug("Copy of element added to cached elem.");
return super.newChildElement(copyFrom);
}
@Override
public Element newChildElement(String name, Element copyFrom) {
s_log.debug("Copy of element added to cached elem.");
return super.newChildElement(name, copyFrom);
}
@Override
public Element addContent(final Element newContent) {
s_log.debug("Content added to cached element");
return super.addContent(newContent);
}
};
if (useContext != null) {
if (useContext != null) {
element.addAttribute("useContext", useContext);
}
for (Map.Entry<String, String> attr : itemAttributes.entrySet()) {
element.addAttribute(attr.getKey(), attr.getValue());
}
return element;
}
private void copyElement(final Element parent, final Element element) {
final Element copy = parent.newChildElement(element.getName());
final Element copy = parent.newChildElement(element.getName());
final Iterator attrs = element.getAttributes().entrySet().iterator();
Map.Entry attr;
while (attrs.hasNext()) {
@ -472,28 +482,44 @@ public class SimpleXMLGenerator implements XMLGenerator {
element.addAttribute("UDItemAttrValue", value);
return element;
}
private void logElementTree(final Element element) {
s_log.debug("Tree of element" + element.getName() + ":\n");
s_log.debug("\n" + logElementTree(element, new StringBuilder(), 0));
}
private String logElementTree(final Element element, final StringBuilder builder, final int depth) {
for(int i = 0; i < depth; i++) {
for (int i = 0; i < depth; i++) {
builder.append('\t');
}
builder.append('<').append(element.getName()).append(">\n");
for(Object childObj : element.getChildren()) {
builder.append('<').append(element.getName()).append(">\n");
for (Object childObj : element.getChildren()) {
final Element child = (Element) childObj;
logElementTree(child, builder, depth + 1);
}
for(int i = 0; i < depth; i++) {
for (int i = 0; i < depth; i++) {
builder.append('\t');
}
builder.append("</").append(element.getName()).append(">\n");
return builder.toString();
}
private void validateCache(final ContentItem item) {
if (item.isDraftVersion()) {
//Draft version are not cached
return;
}
final String itemId = item.getOID().toString();
final String masterId = item.getDraftVersion().getOID().toString();
final String cachedId = CACHED_ITEMS.get(masterId);
if ((cachedId != null)
&& !cachedId.equals(itemId)) {
CACHE.remove(cachedId);
}
}
}