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SAIL-244: Added an XSLT Template Processor (hooked into the template service) along with an XSLT rendering engine that makes use of it.

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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@19153 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Brian Remmington
2010-03-09 14:02:55 +00:00
parent 7073ab6f88
commit 91ba631a3b
16 changed files with 2838 additions and 171 deletions
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75
source/java/org/alfresco/repo/template/ClassPathRepoTemplateLoader.java
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@@ -26,13 +26,11 @@ import java.net.URL;
import java.net.URLConnection;
import org.alfresco.model.ContentModel;
import org.alfresco.service.ServiceRegistry;
import org.alfresco.service.cmr.repository.ContentReader;
import org.alfresco.service.cmr.repository.ContentService;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.NodeService;
import org.alfresco.service.cmr.repository.StoreRef;
import org.alfresco.util.ApplicationContextHelper;
import freemarker.cache.TemplateLoader;
@@ -85,8 +83,14 @@ public class ClassPathRepoTemplateLoader implements TemplateLoader
}
else
{
URL url = this.getClass().getClassLoader().getResource(name);
return url == null ? null : new ClassPathTemplateSource(url, encoding);
//Fix a common problem: classpath resource paths should not start with "/"
if (name.startsWith("/"))
{
name = name.substring(1);
}
ClassLoader classLoader = getClass().getClassLoader();
URL url = classLoader.getResource(name);
return url == null ? null : new ClassPathTemplateSource(classLoader, name, encoding);
}
}
@@ -116,13 +120,20 @@ public class ClassPathRepoTemplateLoader implements TemplateLoader
/**
* Class used as a base for custom Template Source objects
*/
abstract class BaseTemplateSource
abstract class BaseTemplateSource implements TemplateSource
{
public abstract Reader getReader(String encoding) throws IOException;
public abstract void close() throws IOException;
public abstract long lastModified();
public InputStream getResource(String name)
{
return getRelativeResource(name);
}
protected abstract InputStream getRelativeResource(String name);
}
@@ -135,10 +146,14 @@ public class ClassPathRepoTemplateLoader implements TemplateLoader
private URLConnection conn;
private InputStream inputStream;
private String encoding;
private ClassLoader classLoader;
private String resourceName;
ClassPathTemplateSource(URL url, String encoding) throws IOException
ClassPathTemplateSource(ClassLoader classLoader, String name, String encoding) throws IOException
{
this.url = url;
this.classLoader = classLoader;
this.resourceName = name;
this.url = classLoader.getResource(name);
this.conn = url.openConnection();
this.encoding = encoding;
}
@@ -198,6 +213,32 @@ public class ClassPathRepoTemplateLoader implements TemplateLoader
conn = null;
}
}
/* (non-Javadoc)
* @see org.alfresco.repo.template.ClassPathRepoTemplateLoader.BaseTemplateSource#getRelativeResource(java.lang.String)
*/
@Override
protected InputStream getRelativeResource(String name)
{
String newResourceName = name;
if (!name.startsWith("/"))
{
int lastSlash = resourceName.lastIndexOf('/');
if (lastSlash != -1)
{
newResourceName = name.substring(0, lastSlash) + "/" + name;
}
}
URL url = classLoader.getResource(newResourceName);
try
{
return (url == null) ? null : url.openConnection().getInputStream();
}
catch (IOException e)
{
return null;
}
}
}
/**
@@ -263,5 +304,25 @@ public class ClassPathRepoTemplateLoader implements TemplateLoader
conn = null;
}
}
/* (non-Javadoc)
* @see org.alfresco.repo.template.ClassPathRepoTemplateLoader.BaseTemplateSource#getRelativeResource(java.lang.String)
*/
@Override
protected InputStream getRelativeResource(String name)
{
InputStream stream = null;
NodeRef parentRef = nodeService.getPrimaryParent(nodeRef).getParentRef();
NodeRef child = nodeService.getChildByName(parentRef, ContentModel.ASSOC_CONTAINS, name);
if (child != null)
{
ContentReader contentReader = contentService.getReader(child, ContentModel.PROP_CONTENT);
if (contentReader.exists())
{
stream = contentReader.getContentInputStream();
}
}
return stream;
}
}
}