LibreCCM
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libreccm-legacy
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FreemarkerPresentationManager now loads Freemarker templates for applications from theme 

git-svn-id: https://svn.libreccm.org/ccm/trunk@5824 8810af33-2d31-482b-a856-94f89814c4df
master
jensp 2019-02-07 13:56:19 +00:00
parent c814f32d5a
commit 4452fb6fa6
2 changed files with 162 additions and 50 deletions
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185
ccm-pages/src/org/libreccm/theming/FreeMarkerPresentationManager.java
View File

@ -10,14 +10,22 @@ import com.arsdigita.xml.Document;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.module.jaxb.JaxbAnnotationModule;
import freemarker.ext.dom.NodeModel;
import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateException;
import org.libreccm.theming.manifest.ThemeManifest;
import org.libreccm.theming.manifest.ThemeManifestUtil;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
@ -137,61 +145,140 @@ public class FreeMarkerPresentationManager implements PresentationManager {
}
// ToDo
// Get Freemarker templates by File API or by HTTP?
// Or via getResourceAsStream?
response.setCharacterEncoding(StandardCharsets.UTF_8.toString());
response.setContentType("text/plain");
try (PrintWriter writer = response.getWriter()) {
writer.append("Data:\n");
writer
.append("Current Site Name: ")
.append(currentSiteName).append("\n");
writer
.append("isSubSite: ")
.append(Boolean.toString(isSubSite))
.append("\n");
writer
.append("default theme: ")
.append(defaultTheme)
.append("\n");
writer
.append("selected theme: ")
.append(selectedTheme)
.append("\n");
writer
.append("preview theme? ")
.append(Boolean.toString(preview))
.append("\n");
writer
.append("themePath: ")
.append(themePath)
.append("\n");
writer
.append("themeManifestPath: ")
.append(themeManifestPath)
.append("\n");
writer
.append("themeManifest: ")
.append(manifest.toString())
.append("\n");
writer
.append("theme name: ")
.append(manifest.getName())
.append("\n");
writer
.append("Application templates:\n");
for (final ApplicationTemplate template : templates
.getApplications()) {
writer
.append("\t")
.append(template.toString())
.append("\n");
final NamedNodeMap pageAttrs = root.getAttributes();
final Node applicationNameAttr = pageAttrs.getNamedItem("application");
final Node applicationClassAttr = pageAttrs.getNamedItem("class");
final String applicationName = applicationNameAttr.getNodeValue();
final String applicationClass = applicationClassAttr.getNodeValue();
final Optional<ApplicationTemplate> applicationTemplate
= findApplicationTemplate(
templates,
applicationName,
applicationClass);
final String applicationTemplatePath;
if (applicationTemplate.isPresent()) {
applicationTemplatePath = applicationTemplate.get().getTemplate();
} else {
applicationTemplatePath = templates.getDefaultApplicationTemplate();
}
final Configuration configuration = new Configuration(
Configuration.VERSION_2_3_28);
configuration.setServletContextForTemplateLoading(servletContext,
themePath);
configuration.setDefaultEncoding("UTF-8");
final Map<String, Object> data = new HashMap<>();
data.put("ccm", NodeModel.wrap(root));
final Template template;
try {
template = configuration.getTemplate(applicationTemplatePath);
} catch (IOException ex) {
throw new UncheckedWrapperException(ex);
}
response.setCharacterEncoding(StandardCharsets.UTF_8.toString());
response.setContentType("text/html");
try (PrintWriter writer = response.getWriter()) {
template.process(data, writer);
// writer.append("Data:\n");
// writer
// .append("Current Site Name: ")
// .append(currentSiteName).append("\n");
// writer
// .append("isSubSite: ")
// .append(Boolean.toString(isSubSite))
// .append("\n");
// writer
// .append("default theme: ")
// .append(defaultTheme)
// .append("\n");
// writer
// .append("selected theme: ")
// .append(selectedTheme)
// .append("\n");
// writer
// .append("preview theme? ")
// .append(Boolean.toString(preview))
// .append("\n");
// writer
// .append("themePath: ")
// .append(themePath)
// .append("\n");
// writer
// .append("themeManifestPath: ")
// .append(themeManifestPath)
// .append("\n");
// writer
// .append("themeManifest: ")
// .append(manifest.toString())
// .append("\n");
// writer
// .append("theme name: ")
// .append(manifest.getName())
// .append("\n");
// writer
// .append("Application name: ")
// .append(applicationName)
// .append("\n");
// writer
// .append("Application class: ")
// .append(applicationClass)
// .append("\n");
// writer
// .append("Application templates:\n");
// for (final ApplicationTemplate template : templates
// .getApplications()) {
// writer
// .append("\t")
// .append(template.toString())
// .append("\n");
// }
} catch (IOException | TemplateException ex) {
throw new UncheckedWrapperException(ex);
}
// throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}
private Optional<ApplicationTemplate> findApplicationTemplate(
final Templates templates,
final String applicationName,
final String applicationClass) {
final Optional<ApplicationTemplate> forNameAndClass = templates
.getApplications()
.stream()
.filter(template -> filterApplicationTemplates(template,
applicationName,
applicationClass))
.findAny();
if (forNameAndClass.isPresent()) {
return forNameAndClass;
} else {
final Optional<ApplicationTemplate> forName = templates
.getApplications()
.stream()
.filter(tpl -> tpl.getApplicationName().equals(applicationName))
.findAny();
return forName;
}
}
private boolean filterApplicationTemplates(
final ApplicationTemplate template,
final String applicationName,
final String applicationClass) {
return template.getApplicationName().equals(applicationName)
&& template.getApplicationClass().equals(applicationClass);
}
}

25
ccm-pages/src/org/libreccm/theming/Templates.java
View File

@ -30,10 +30,18 @@ public class Templates {
@XmlElement(name = "applications", namespace = THEMES_XML_NS)
private List<ApplicationTemplate> applications;
@XmlElement(name = "default-application-template",
namespace = THEMES_XML_NS)
private String defaultApplicationTemplate;
@XmlElementWrapper(name = "contentitems", namespace = THEMES_XML_NS)
@XmlElement(name = "contentitems", namespace = THEMES_XML_NS)
private List<ContentItemTemplate> contentItems;
@XmlElement(name = "default-contentitem-template",
namespace = THEMES_XML_NS)
private String defaultContentItemsTemplate;
public Templates() {
applications = new ArrayList<>();
@ -60,6 +68,15 @@ public class Templates {
this.applications = new ArrayList<>(applications);
}
public String getDefaultApplicationTemplate() {
return defaultApplicationTemplate;
}
public void setDefaultApplicationTemplate(
final String defaultApplicationTemplate) {
this.defaultApplicationTemplate = defaultApplicationTemplate;
}
public List<ContentItemTemplate> getContentItems() {
return Collections.unmodifiableList(contentItems);
@ -80,4 +97,12 @@ public class Templates {
this.contentItems = new ArrayList<>(contentItems);
}
public String getDefaultContentItemsTemplate() {
return defaultContentItemsTemplate;
}
public void setDefaultContentItemsTemplate(
final String defaultContentItemsTemplate) {
this.defaultContentItemsTemplate = defaultContentItemsTemplate;
}
}