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CCM NG: More JavaDoc for PageModel 

git-svn-id: https://svn.libreccm.org/ccm/ccm_ng@4466 8810af33-2d31-482b-a856-94f89814c4df
pull/2/head
jensp 2016-12-06 14:07:44 +00:00
parent a927349887
commit 23d015664e
3 changed files with 241 additions and 138 deletions
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132
ccm-core/src/main/java/org/libreccm/pagemodel/PageModel.java
View File

@ -50,103 +50,147 @@ import javax.validation.constraints.NotNull;
* a page. The {@code PageModel} specifics which components are used on a page.
*
* @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
*
* @see PageModelRepository
* @see PageModelManager
* @see PageBuilder
*/
@Entity
@Table(name = "PAGE_MODELS", schema = CoreConstants.DB_SCHEMA)
@NamedQueries({
@NamedQuery(
name = "PageModel.findDraftVersion",
query = "SELECT p FROM PageModel p "
+ "WHERE p.modelUuid = :uuid "
+ "AND p.version = org.libreccm.pagemodel.PageModelVersion.DRAFT")
name = "PageModel.findDraftVersion",
query = "SELECT p FROM PageModel p "
+ "WHERE p.modelUuid = :uuid "
+ "AND p.version = org.libreccm.pagemodel.PageModelVersion.DRAFT")
,
@NamedQuery(
name = "PageModel.hasLiveVersion",
query = "SELECT (CASE WHEN COUNT(p) > 0 THEN true ELSE False END) "
+ "FROM PageModel p "
+ "WHERE p.modelUuid = :uuid "
+ "AND p.version = org.libreccm.pagemodel.PageModelVersion.LIVE"
name = "PageModel.hasLiveVersion",
query = "SELECT (CASE WHEN COUNT(p) > 0 THEN true ELSE False END) "
+ "FROM PageModel p "
+ "WHERE p.modelUuid = :uuid "
+ "AND p.version = org.libreccm.pagemodel.PageModelVersion.LIVE"
)
,
@NamedQuery(
name = "PageModel.findLiveVersion",
query = "SELECT p FROM PageModel p "
+ "WHERE p.modelUuid = :uuid "
+ "AND p.version = org.libreccm.pagemodel.PageModelVersion.LIVE")
name = "PageModel.findLiveVersion",
query = "SELECT p FROM PageModel p "
+ "WHERE p.modelUuid = :uuid "
+ "AND p.version = org.libreccm.pagemodel.PageModelVersion.LIVE")
,
@NamedQuery(
name = "PageModel.findByApplication",
query = "SELECT p FROM PageModel p WHERE p.application = :application")
name = "PageModel.findByApplication",
query = "SELECT p FROM PageModel p "
+ "WHERE p.application = :application "
+ "AND p.version = org.libreccm.pagemodel.PageModelVersion.LIVE")
,
@NamedQuery(
name = "PageModel.countByApplication",
query = "SELECT COUNT(p) FROM PageModel p "
+ "WHERE p.application = :application")
name = "PageModel.countByApplication",
query = "SELECT COUNT(p) FROM PageModel p "
+ "WHERE p.application = :application "
+ "AND p.version = org.libreccm.pagemodel.PageModelVersion.LIVE")
,
@NamedQuery(
name = "PageModel.findByApplicationAndName",
query = "SELECT p FROM PageModel p "
+ "WHERE p.name = :name AND p.application = :application"
name = "PageModel.findByApplicationAndName",
query = "SELECT p FROM PageModel p "
+ "WHERE p.name = :name "
+ "AND p.application = :application "
+ "AND p.version = org.libreccm.pagemodel.PageModelVersion.LIVE"
)
,
@NamedQuery(
name = "PageModel.countByApplicationAndName",
query = "SELECT COUNT(p) FROM PageModel p "
+ "WHERE p.name = :name AND p.application = :application"
name = "PageModel.countByApplicationAndName",
query = "SELECT COUNT(p) FROM PageModel p "
+ "WHERE p.name = :name "
+ "AND p.application = :application "
+ "AND p.version = org.libreccm.pagemodel.PageModelVersion.LIVE"
)
})
public class PageModel implements Serializable {
private static final long serialVersionUID = 7252512839926020978L;
/**
* The ID of the entity in the database.
*/
@Id
@Column(name = "PAGE_MODEL_ID")
@GeneratedValue(strategy = GenerationType.AUTO)
private long pageModelId;
/**
* The UUID of this {@code PageModel}. Please note that this UUID identifies
* the dataset not the model. Therefore the draft and the live version have
* different values for this field.
*/
@Column(name = "UUID", length = 255, nullable = false)
@NotNull
private String uuid;
/**
* The UUID of the model. Same for draft and live version.
*/
@Column(name = "MODEL_UUID", length = 255, nullable = false)
@NotNull
private String modelUuid;
/**
* The name of this {@code PageModel}. Not localised, for use in URLs.
*/
@Column(name = "NAME", length = 255)
private String name;
/**
* The version of this {@code PageModel}.
*/
@Column(name = "VERSION", length = 255, nullable = false)
@Enumerated(EnumType.STRING)
private PageModelVersion version;
/**
* The localised title of this {@code PageModel} (shown in the
* administration UI),
*/
@Embedded
@AssociationOverride(
name = "values",
joinTable = @JoinTable(name = "PAGE_MODEL_TITLES",
schema = CoreConstants.DB_SCHEMA,
joinColumns = {
@JoinColumn(name = "PAGE_MODEL_ID")
}))
name = "values",
joinTable = @JoinTable(name = "PAGE_MODEL_TITLES",
schema = CoreConstants.DB_SCHEMA,
joinColumns = {
@JoinColumn(name = "PAGE_MODEL_ID")
}))
private LocalizedString title;
/**
* A description of this {@code PageModel} describing its purpose.
*/
@Embedded
@AssociationOverride(
name = "values",
joinTable = @JoinTable(name = "PAGE_MODEL_DESCRIPTIONS",
schema = CoreConstants.DB_SCHEMA,
joinColumns = {
@JoinColumn(name = "PAGE_MODEL_ID")
}))
name = "values",
joinTable = @JoinTable(name = "PAGE_MODEL_DESCRIPTIONS",
schema = CoreConstants.DB_SCHEMA,
joinColumns = {
@JoinColumn(name = "PAGE_MODEL_ID")
}))
private LocalizedString description;
/**
* The application with which this {@code PageModel} is associated.
*/
@ManyToOne
@JoinColumn(name = "APPLICATION_ID")
private CcmApplication application;
/**
* The type of this {@code PageModel}.
*/
@Column(name = "TYPE", length = 255, nullable = false)
@NotNull
private String type;
/**
* The components of the page described by this {@code PageModel}.
*/
@OneToMany(mappedBy = "pageModel")
private List<ComponentModel> components;
@ -246,7 +290,7 @@ public class PageModel implements Serializable {
protected void clearComponents() {
components.clear();
}
@Override
public int hashCode() {
int hash = 7;
@ -303,13 +347,13 @@ public class PageModel implements Serializable {
public String toString(final String data) {
return String.format("%s{ "
+ "pageModelId = %d, "
+ "uuid = %s, "
+ "name = \"%s\", "
+ "title = %s, "
+ "description = %s, "
+ "type = \"%s\""
+ " }",
+ "pageModelId = %d, "
+ "uuid = %s, "
+ "name = \"%s\", "
+ "title = %s, "
+ "description = %s, "
+ "type = \"%s\""
+ " }",
super.toString(),
pageModelId,
uuid,

45
ccm-core/src/main/java/org/libreccm/pagemodel/PageModelComponentModel.java
View File

@ -24,23 +24,56 @@ import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.util.ResourceBundle;
/**
* Used in the description of {@link CcmModule} to specify which
* {@link ComponentModel}s are provided by an module.
*
* @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
public @interface PageModelComponentModel {
/**
* Fully qualified name of a resource bundle providing the title and
* description of the {@link ComponentModel}.
*
* @return The fully qualified name of the {@link ResourceBundle} which
* provides the title and description of the {@link ComponentModel}.
*/
String descBundle() default "";
/**
* Key for the title of the {@link ComponentModel} in the
* {@link ResourceBundle} specified by {@link #descBundle()}.
*
* @return The key for the title of the {@link ComponentModel}.
*/
String titleKey() default "component_model_title";
/**
* Key for the description of the {@link ComponentModel} in the
* {@link ResourceBundle} specified by {@link #descBundle()}.
*
* @return The key for the description of the {@link ComponentModel}.
*/
String descKey() default "component_model_desc";
/**
* The class which provides the {@link ComponentModel}.
*
* @return The class which provides the {@link ComponentModel}.
*/
Class<? extends ComponentModel> modelClass();
/**
* A (Bebop) form for editing the properties of an instance of the
* {@link ComponentModel}.
*
* @return A (Bebop) form for editing the {@code ComponentModel}.
*/
Class<? extends Form> editor();
}

202
ccm-core/src/main/java/org/libreccm/pagemodel/PageModelManager.java
View File

@ -41,8 +41,6 @@ import java.util.Map;
import java.util.Optional;
import java.util.ServiceLoader;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.PostConstruct;
import javax.enterprise.context.RequestScoped;
@ -52,6 +50,7 @@ import javax.persistence.TypedQuery;
import javax.transaction.Transactional;
/**
* Provides several methods for managing {@link PageModel}s.
*
* @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
*/
@ -68,19 +67,24 @@ public class PageModelManager {
private ComponentModelRepository componentModelRepo;
private final Map<String, PageModelComponentModel> components
= new HashMap<>();
= new HashMap<>();
/**
* Called by CDI after an instance of this class is created. Initialises the
* {@link #components} by retrieving the data about all available
* {@link ComponentModel}s.
*/
@PostConstruct
private void init() {
final ServiceLoader<CcmModule> modules = ServiceLoader.load(
CcmModule.class);
CcmModule.class);
for (CcmModule module : modules) {
final Module moduleData = module.getClass().getAnnotation(
Module.class);
Module.class);
final PageModelComponentModel[] models = moduleData
.pageModelComponentModels();
.pageModelComponentModels();
for (PageModelComponentModel model : models) {
components.put(model.modelClass().getName(),
@ -90,13 +94,17 @@ public class PageModelManager {
}
/**
* Creates a new {@link PageModel} for the provided application.
* Creates a new {@link PageModel} for the provided application. The tries
* to retrieve the appropriate page model by using
* {@link PageModelRepository#findByApplicationAndName(org.libreccm.web.CcmApplication, java.lang.String)}.
* Please note that this method will always return the <strong>live</strong>
* version of the page model.
*
* @param name The name of the new page model. Must be unique for the
* application.
* @param name The name of the new page model. Must be unique for the
* application.
* @param application The application for which the {@link PageModel} is
* created.
* @param type Type of the page model (view technology).
* created.
* @param type Type of the page model (view technology).
*
* @return The new {@link PageModel}.
*/
@ -109,12 +117,12 @@ public class PageModelManager {
if (application == null) {
throw new IllegalArgumentException(
"Can't create a page model for application null");
"Can't create a page model for application null");
}
if (name == null || name.trim().isEmpty()) {
throw new IllegalArgumentException(
"The name of a page model can't be null or empty.");
"The name of a page model can't be null or empty.");
}
final long count = pageModelRepo.countByApplicationAndName(application,
@ -122,10 +130,10 @@ public class PageModelManager {
if (count > 0) {
throw new IllegalArgumentException(String.format(
"A page model with the name \"%s\" for the application \"%s\" "
"A page model with the name \"%s\" for the application \"%s\" "
+ "already exists.",
name,
application.getPrimaryUrl()));
name,
application.getPrimaryUrl()));
}
final PageModel pageModel = new PageModel();
@ -138,42 +146,61 @@ public class PageModelManager {
return pageModel;
}
/**
* Retrieves the draft version of a {@link PageModel}. To invoke this method
* the current user needs a permission granting the
* {@link CoreConstants#PRIVILEGE_ADMIN} privilege.
*
* @param pageModel The {@link PageModel} for which the draft version is
* retrieved.
* @return The draft version of the provided {@link PageModel}.
*/
@AuthorizationRequired
@Transactional(Transactional.TxType.REQUIRED)
public PageModel getDraftVersion(
@RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
final PageModel pageModel) {
@RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
final PageModel pageModel) {
if (pageModel == null) {
throw new IllegalArgumentException(
"Can't get draft version for page model null.");
"Can't get draft version for page model null.");
}
final TypedQuery<PageModel> query = entityManager.createNamedQuery(
"PageModel.findDraftVersion", PageModel.class);
"PageModel.findDraftVersion", PageModel.class);
query.setParameter("uuid", pageModel.getModelUuid());
return query.getSingleResult();
}
/**
* Checks if a {@link PageModel} has a live version.
*
* @param pageModel The {@link PageModel} to check for a live version.
* @return {@code true} if there is a live version for the provided
* {@link PageModel}, {@code false} otherwise.
*/
@Transactional(Transactional.TxType.REQUIRED)
public boolean isLive(final PageModel pageModel) {
final TypedQuery<Boolean> query = entityManager.createNamedQuery(
"PageModel.hasLiveVersion", Boolean.class);
"PageModel.hasLiveVersion", Boolean.class);
query.setParameter("uuid", pageModel.getModelUuid());
return query.getSingleResult();
}
@AuthorizationRequired
/**
*
* @param pageModel
* @return
*/
@Transactional(Transactional.TxType.REQUIRED)
public Optional<PageModel> getLiveVersion(
@RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN) PageModel pageModel) {
public Optional<PageModel> getLiveVersion(final PageModel pageModel) {
if (isLive(pageModel)) {
final TypedQuery<PageModel> query = entityManager.createNamedQuery(
"PageModel.findLiveVersion",
PageModel.class);
"PageModel.findLiveVersion",
PageModel.class);
query.setParameter("uuid", pageModel.getModelUuid());
return Optional.of(query.getSingleResult());
} else {
@ -195,159 +222,159 @@ public class PageModelManager {
liveModel.setModelUuid(draftModel.getModelUuid());
for (Map.Entry<Locale, String> entry : draftModel.getTitle().getValues()
.entrySet()) {
.entrySet()) {
liveModel.getTitle().addValue(entry.getKey(), entry.getValue());
}
for (Map.Entry<Locale, String> entry : liveModel.getDescription()
.getValues().entrySet()) {
liveModel.getDescription().addValue(entry.getKey(),
.getValues().entrySet()) {
liveModel.getDescription().addValue(entry.getKey(),
entry.getValue());
}
liveModel.setApplication(draftModel.getApplication());
liveModel.setType(draftModel.getType());
liveModel.clearComponents();
for(final ComponentModel draft : draftModel.getComponents()) {
for (final ComponentModel draft : draftModel.getComponents()) {
final ComponentModel live = publishComponentModel(draft);
addComponentModel(liveModel, live);
}
return liveModel;
}
@SuppressWarnings("unchecked")
private ComponentModel publishComponentModel(final ComponentModel draftModel) {
final Class<? extends ComponentModel> clazz = draftModel.getClass();
final ComponentModel liveModel;
try {
liveModel = clazz.newInstance();
} catch (InstantiationException | IllegalAccessException ex) {
throw new UncheckedWrapperException(ex);
}
liveModel.setModelUuid(draftModel.getModelUuid());
final BeanInfo beanInfo;
try {
beanInfo = Introspector.getBeanInfo(clazz);
} catch(IntrospectionException ex) {
} catch (IntrospectionException ex) {
throw new UncheckedWrapperException(ex);
}
for(final PropertyDescriptor propertyDescriptor : beanInfo.getPropertyDescriptors()) {
for (final PropertyDescriptor propertyDescriptor : beanInfo.
getPropertyDescriptors()) {
final Class<?> propType = propertyDescriptor.getPropertyType();
final Method readMethod = propertyDescriptor.getReadMethod();
final Method writeMethod = propertyDescriptor.getWriteMethod();
if (propertyIsExcluded(propertyDescriptor.getName())) {
continue;
}
if (writeMethod == null) {
continue;
}
if (propType != null
&& propType.isAssignableFrom(List.class)) {
&& propType.isAssignableFrom(List.class)) {
final List<Object> source;
final List<Object> target;
try {
source = (List<Object>) readMethod.invoke(draftModel);
target = (List<Object>) readMethod.invoke(liveModel);
} catch(IllegalAccessException
| IllegalArgumentException
| InvocationTargetException ex) {
} catch (IllegalAccessException
| IllegalArgumentException
| InvocationTargetException ex) {
throw new UncheckedWrapperException(ex);
}
target.addAll(source);
} else if(propType != null
&& propType.isAssignableFrom(Map.class)) {
} else if (propType != null
&& propType.isAssignableFrom(Map.class)) {
final Map<Object, Object> source;
final Map<Object, Object> target;
try {
source = (Map<Object, Object>) readMethod.invoke(draftModel);
target = (Map<Object, Object>) readMethod.invoke(liveModel);
} catch(IllegalAccessException
| IllegalArgumentException
| InvocationTargetException ex) {
} catch (IllegalAccessException
| IllegalArgumentException
| InvocationTargetException ex) {
throw new UncheckedWrapperException(ex);
}
source.forEach((key, value) -> target.put(key, value));
} else if(propType != null
&& propType.isAssignableFrom(Set.class)) {
} else if (propType != null
&& propType.isAssignableFrom(Set.class)) {
final Set<Object> source;
final Set<Object> target;
try {
source = (Set<Object>) readMethod.invoke(draftModel);
target = (Set<Object>) readMethod.invoke(liveModel);
}catch(IllegalAccessException
| IllegalArgumentException
| InvocationTargetException ex) {
} catch (IllegalAccessException
| IllegalArgumentException
| InvocationTargetException ex) {
throw new UncheckedWrapperException(ex);
}
target.addAll(source);
} else {
final Object value;
try {
value = readMethod.invoke(draftModel);
writeMethod.invoke(liveModel, value);
} catch(IllegalAccessException
| IllegalArgumentException
| InvocationTargetException ex) {
} catch (IllegalAccessException
| IllegalArgumentException
| InvocationTargetException ex) {
throw new UncheckedWrapperException(ex);
}
}
}
componentModelRepo.save(liveModel);
return liveModel;
}
private boolean propertyIsExcluded(final String name) {
final String[] excluded = new String[]{
"uuid",
"modelUuid"
};
boolean result = false;
for(final String current : excluded) {
for (final String current : excluded) {
if (current.equals(name)) {
result = true;
break;
}
}
return result;
}
public List<PageModelComponentModel> findAvailableComponents() {
final List<PageModelComponentModel> list = new ArrayList<>(components
.values());
.values());
list.sort((component1, component2) -> {
return component1.modelClass().getName().compareTo(
component2.modelClass().getName());
component2.modelClass().getName());
});
return list;
}
public Optional<PageModelComponentModel> findComponentModel(
final String className) {
final String className) {
if (components.containsKey(className)) {
return Optional.of(components.get(className));
@ -359,8 +386,7 @@ public class PageModelManager {
/**
* Add a {@link ComponentModel} to a {@link PageModel}.
*
* @param pageModel The {@link PageModel} to which component model is
* added.
* @param pageModel The {@link PageModel} to which component model is added.
* @param componentModel The {@link ComponentModel} to add.
*/
public void addComponentModel(final PageModel pageModel,
@ -368,12 +394,12 @@ public class PageModelManager {
if (pageModel == null) {
throw new IllegalArgumentException(
"Can't add a component model to page model null.");
"Can't add a component model to page model null.");
}
if (componentModel == null) {
throw new IllegalArgumentException(
"Can't add component model null to a page model.");
"Can't add component model null to a page model.");
}
pageModel.addComponent(componentModel);
@ -386,22 +412,22 @@ public class PageModelManager {
/**
* Removes a {@link ComponentModel} from a {@link PageModel}.
*
* @param pageModel The {@link PageModel} from which the
* {@link ComponentModel} is removed.
* @param pageModel The {@link PageModel} from which the
* {@link ComponentModel} is removed.
* @param componentModel The {@link ComponentModel} to remove. The component
* model is also removed from the database.
* model is also removed from the database.
*/
public void removeComponentModel(final PageModel pageModel,
final ComponentModel componentModel) {
if (pageModel == null) {
throw new IllegalArgumentException(
"Can't remove a component model from page model null.");
"Can't remove a component model from page model null.");
}
if (componentModel == null) {
throw new IllegalArgumentException(
"Can't remove component model null from a page model.");
"Can't remove component model null from a page model.");
}
pageModel.removeComponent(componentModel);