[jboss-cvs] jboss-seam/examples/wiki/src/org/jboss/seam/wiki/core/node ...
Christian Bauer
christian.bauer at jboss.com
Thu Feb 1 02:08:26 EST 2007
User: cbauer
Date: 07/02/01 02:08:26
Added: examples/wiki/src/org/jboss/seam/wiki/core/node
DocumentHome.java Menu.java Document.java
WikiRoot.java DirectoryHome.java UIBindings.java
Node.java Directory.java NodeBrowser.java
Log:
Committed first (broken) wiki implementation
Revision Changes Path
1.1 date: 2007/02/01 07:08:26; author: cbauer; state: Exp;jboss-seam/examples/wiki/src/org/jboss/seam/wiki/core/node/DocumentHome.java
Index: DocumentHome.java
===================================================================
package org.jboss.seam.wiki.core.node;
import static javax.faces.application.FacesMessage.SEVERITY_ERROR;
import javax.persistence.Query;
import org.jboss.seam.framework.EntityHome;
import org.jboss.seam.annotations.*;
import org.jboss.seam.wiki.core.links.WikiLinkResolver;
import org.jboss.seam.core.FacesMessages;
import org.jboss.seam.ScopeType;
import java.util.List;
@Name("documentHome")
public class DocumentHome extends EntityHome<Document> {
@RequestParameter
private Long docId;
@RequestParameter
private Long parentDirId;
// Pages need this for rendering
@Out(required = true, scope = ScopeType.CONVERSATION, value = "currentDirectory")
Directory parentDirectory;
@In(create=true)
private FacesMessages facesMessages;
@In(create=true)
private WikiLinkResolver wikiLinkResolver;
private String formContent;
boolean enabledPreview = false;
@Override
public Object getId() {
if (docId == null) {
return super.getId();
} else {
return docId;
}
}
@Begin(flushMode = FlushModeType.MANUAL)
@Transactional
public void create() {
super.create();
// Load the parent directory
getEntityManager().joinTransaction();
parentDirectory = getEntityManager().find(Directory.class, parentDirId);
}
public String persist() {
// Validate
if (!isUniqueWikinameInDirectory(null) ||
!isUniqueWikinameInArea()) return null;
// Link the document with a directory
parentDirectory.addChild(getInstance());
// Set its area number
getInstance().setAreaNumber(parentDirectory.getAreaNumber());
// Convert and set form content onto entity instance
getInstance().setContent(
wikiLinkResolver.convertToWikiLinks(parentDirectory, getFormContent())
);
return super.persist();
}
public String update() {
// Validate
if (!isUniqueWikinameInDirectory(getInstance()) ||
!isUniqueWikinameInArea()) return null;
// Convert and set form content onto entity instance
getInstance().setContent(
wikiLinkResolver.convertToWikiLinks(parentDirectory, getFormContent())
);
return super.update();
}
public String remove() {
// Unlink the document from its directory
getInstance().getParent().removeChild(getInstance());
return super.remove();
}
public String getFormContent() {
// Load the document content and resolve links
if (formContent == null)
formContent = wikiLinkResolver.convertFromWikiLinks(getInstance().getContent());
return formContent;
}
public void setFormContent(String formContent) {
this.formContent = formContent;
}
public boolean isEnabledPreview() {
return enabledPreview;
}
public void setEnabledPreview(boolean enabledPreview) {
this.enabledPreview = enabledPreview;
// Convert and set form content onto entity instance
getInstance().setContent(
wikiLinkResolver.convertToWikiLinks(parentDirectory, getFormContent())
);
}
// Validation rules for persist(), update(), and remove();
@Transactional
private boolean isUniqueWikinameInDirectory(Document ignore) {
getEntityManager().joinTransaction();
String queryString = "select n from Node n where n.parent = :parent and n.wikiname = :wikiname";
if (ignore != null) queryString = queryString + " and not n = :ignore";
Query q = getEntityManager().createQuery(queryString);
if (ignore != null) q.setParameter("ignore", ignore);
// Unique directory name within parent
List existingChildren = q
.setParameter("parent", parentDirectory)
.setParameter("wikiname", getInstance().getWikiname())
.getResultList();
if (existingChildren.size() >0) {
facesMessages.addFromResourceBundle(
"name",
SEVERITY_ERROR,
getMessageKeyPrefix() + "duplicateName",
"Directory or document with that name already exists."
);
return false;
}
return true;
}
@Transactional
private boolean isUniqueWikinameInArea() {
getEntityManager().joinTransaction();
// Unique document name within area
Document foundDocument = wikiLinkResolver.findDocumentInArea(parentDirectory, getInstance().getWikiname());
if ( foundDocument != null && foundDocument != getInstance()) {
facesMessages.addFromResourceBundle(
"name",
SEVERITY_ERROR,
getMessageKeyPrefix() + "duplicateNameInArea",
"Document with that name already exists in this area."
);
return false;
}
return true;
}
}
1.1 date: 2007/02/01 07:08:26; author: cbauer; state: Exp;jboss-seam/examples/wiki/src/org/jboss/seam/wiki/core/node/Menu.java
Index: Menu.java
===================================================================
package org.jboss.seam.wiki.core.node;
import org.jboss.seam.annotations.*;
import org.jboss.seam.ScopeType;
import javax.persistence.EntityManager;
import java.util.List;
import java.util.ArrayList;
@Name("menu")
@Scope(ScopeType.CONVERSATION)
public class Menu {
@In(create = true)
protected EntityManager entityManager;
@In(create = true)
private Directory wikiRoot;
private List<MenuItem> items;
public List<MenuItem> getItems() {
if (items == null) refreshMenuItems();
return items;
}
/**
* This is very inefficient. There really is no better way if we want recursively have
* all documents and directories with isMenuItem() in the main menu. Not even a direct
* SQL query would help (multicolumn ordering would require by PK, not good). If this
* can't be made performant with caching, we need to replace it with a simple one
* or two level menu item search. Currently optimizing with batch fetching, future
* implementation might use a nested set approach (we need one anyway for recursive
* deletion of subtrees).
*/
@Observer("Nodes.directoryStructureModified")
@Transactional
public void refreshMenuItems() {
items = new ArrayList<MenuItem>();
entityManager.joinTransaction();
for(Node area : wikiRoot.getChildren())
addNodesToMenuTree(items, 0, area);
}
// Recursive
private void addNodesToMenuTree(List<MenuItem> menuItems, int i, Node node) {
MenuItem menuItem = new MenuItem(node);
menuItem.setLevel(i);
if (node.isMenuItem()) menuItems.add(menuItem); // Check flag in-memory
if (node.getChildren() != null && node.getChildren().size() > 0) {
i++;
for (Node child : node.getChildren()) {
if (i > 1)
// Flatten the menu tree into two levels (simple display)
addNodesToMenuTree(menuItems, i, child);
else
addNodesToMenuTree(menuItem.getSubItems(), i, child);
}
}
}
public class MenuItem{
private Node node;
private int level;
private List<MenuItem> subItems = new ArrayList<MenuItem>();
public MenuItem(Node node) { this.node = node; }
public Node getNode() { return node; }
public void setNode(Node node) { this.node = node; }
public int getLevel() { return level; }
public void setLevel(int level) { this.level = level; }
public List<MenuItem> getSubItems() { return subItems; }
public void setSubItems(List<MenuItem> subItems) { this.subItems = subItems; }
}
}
1.1 date: 2007/02/01 07:08:26; author: cbauer; state: Exp;jboss-seam/examples/wiki/src/org/jboss/seam/wiki/core/node/Document.java
Index: Document.java
===================================================================
package org.jboss.seam.wiki.core.node;
import org.hibernate.validator.Length;
import javax.persistence.*;
@Entity
@DiscriminatorValue("DOCUMENT")
public class Document extends Node {
@Column(name = "CONTENT")
@Length(min = 1, max = 32768)
private String content;
public Document() { super(); }
public Document(String name) {
super(name);
}
// Mutable properties
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
makeDirty();
}
public Directory getParent() {
return (Directory)super.getParent();
}
public void addChild(Node child) {
throw new UnsupportedOperationException("Documents can't have children");
}
public void removeChild(Node child) {
throw new UnsupportedOperationException("Documents can't have children");
}
public String toString() {
return getName();
}
}
1.1 date: 2007/02/01 07:08:26; author: cbauer; state: Exp;jboss-seam/examples/wiki/src/org/jboss/seam/wiki/core/node/WikiRoot.java
Index: WikiRoot.java
===================================================================
package org.jboss.seam.wiki.core.node;
import org.jboss.seam.annotations.*;
import org.jboss.seam.ScopeType;
import javax.persistence.EntityManager;
@Name("wikiRoot")
@Scope(ScopeType.CONVERSATION)
public class WikiRoot {
@In(create = true)
protected EntityManager entityManager;
protected Directory wikiRoot;
@Unwrap
public Directory getWikiRoot() {
if (wikiRoot == null) loadWikiRoot();
return wikiRoot;
}
@Transactional
private void loadWikiRoot() {
try {
wikiRoot =(Directory)entityManager
.createQuery("select d from Directory d where d.parent is null")
.getSingleResult();
} catch (RuntimeException ex) {
throw new RuntimeException("You need to INSERT at least one parentless directory into the database", ex);
}
}
}
1.1 date: 2007/02/01 07:08:26; author: cbauer; state: Exp;jboss-seam/examples/wiki/src/org/jboss/seam/wiki/core/node/DirectoryHome.java
Index: DirectoryHome.java
===================================================================
package org.jboss.seam.wiki.core.node;
import static javax.faces.application.FacesMessage.SEVERITY_ERROR;
import static javax.faces.application.FacesMessage.SEVERITY_INFO;
import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import org.jboss.seam.annotations.*;
import org.jboss.seam.annotations.datamodel.DataModel;
import org.jboss.seam.annotations.datamodel.DataModelSelection;
import org.jboss.seam.framework.EntityHome;
import org.jboss.seam.ScopeType;
import org.jboss.seam.wiki.core.links.WikiLinkResolver;
import org.jboss.seam.core.FacesMessages;
import org.jboss.seam.core.Events;
import javax.persistence.Query;
import java.util.List;
import java.util.Collections;
@Name("directoryHome")
public class DirectoryHome extends EntityHome<Directory> {
@RequestParameter
Long dirId;
@RequestParameter
Long parentDirectoryId;
Directory parentDirectory;
@In(required = false)
@Out(required = false, scope = ScopeType.CONVERSATION) // Propagate it through the conversation
Directory currentDirectory;
@In(create=true)
private FacesMessages facesMessages;
@In(create=true)
private WikiLinkResolver wikiLinkResolver;
@Override
public Object getId() {
if (dirId == null) {
return super.getId();
} else {
return dirId;
}
}
@Override
@Begin(flushMode = FlushModeType.MANUAL)
@Transactional
public void create() {
super.create();
currentDirectory = getInstance(); // Prepare for outjection
getEntityManager().joinTransaction();
if (parentDirectoryId != null) {
parentDirectory = getEntityManager().find(Directory.class, parentDirectoryId);
} else {
parentDirectory = getInstance().getParent();
}
// Fill the datamodel for outjection
refreshChildNodes();
}
public String persist() {
// Validate
if (!isUniqueWikinameInDirectory(null) ||
!isUniqueWikinameInArea()) return null;
// Link the directory with its parent
parentDirectory.addChild(getInstance());
if (parentDirectory.getParent() != null) {
// This is a subdirectory in an area
getInstance().setAreaNumber(parentDirectory.getAreaNumber());
return super.persist();
} else {
// This is a logical area
// Satisfy NOT NULL constraint
getInstance().setAreaNumber(Long.MAX_VALUE);
// Do the persist() first, we need the identifier after this
String outcome = super.persist();
getInstance().setAreaNumber(getInstance().getId());
// And flush() again...
getEntityManager().flush();
return outcome;
}
}
public String update() {
// Validate
if (!isUniqueWikinameInDirectory(getInstance()) ||
!isUniqueWikinameInArea()) return null;
Events.instance().raiseEvent("Nodes.directoryStructureModified");
// TODO: What the superclass.update() is doing breaks the menu preview http://jira.jboss.com/jira/browse/JBSEAM-713
// FacesMessages.instance().add("Updated object");
// FacesContext.getCurrentInstance().addMessage(null, new FacesMessage("Updated Object"));
return super.update();
}
public String remove() {
// Unlink the document from its parent directory
parentDirectory.removeChild(getInstance());
// Null the outjected value
currentDirectory = null;
return super.remove();
}
public Directory getParentDirectory() {
return parentDirectory;
}
public void setParentDirectory(Directory parentDirectory) {
this.parentDirectory = parentDirectory;
}
public String getUpdatedMessage() {
return super.getUpdatedMessage() + ": '" + getInstance().getName() + "'";
}
public String getDeletedMessage() {
return super.getDeletedMessage() + ": '" + getInstance().getName() + "'";
}
public String getCreatedMessage() {
return super.getCreatedMessage() + ": '" + getInstance().getName() + "'";
}
@DataModel
List<Node> childNodes;
@DataModelSelection
Node selectedChildNode;
public void moveNodeUpInList() {
int position = getInstance().getChildren().indexOf(selectedChildNode);
Collections.rotate(getInstance().getChildren().subList(position-1, position+1), 1);
refreshChildNodes();
}
public void moveNodeDownInList() {
int position = getInstance().getChildren().indexOf(selectedChildNode);
Collections.rotate(getInstance().getChildren().subList(position, position+2), 1);
refreshChildNodes();
}
public void selectDefaultDocument() {
getInstance().setDefaultDocument((Document)selectedChildNode);
refreshChildNodes();
}
private void refreshChildNodes() {
childNodes = getInstance().getChildren();
}
public void previewMenuItems() {
Events.instance().raiseEvent("Nodes.directoryStructureModified");
}
// Validation rules for persist(), update(), and remove();
@Transactional
private boolean isUniqueWikinameInDirectory(Directory ignore) {
getEntityManager().joinTransaction();
String queryString = "select n from Node n where n.parent = :parent and n.wikiname = :wikiname";
if (ignore != null) queryString = queryString + " and not n = :ignore";
Query q = getEntityManager().createQuery(queryString);
if (ignore != null) q.setParameter("ignore", ignore);
// Unique directory name within parent
List existingChildren = q
.setParameter("parent", parentDirectory)
.setParameter("wikiname", getInstance().getWikiname())
.getResultList();
if (existingChildren.size() >0) {
facesMessages.addFromResourceBundle(
"name",
SEVERITY_ERROR,
getMessageKeyPrefix() + "duplicateName",
"Directory or document with that name already exists."
);
return false;
}
return true;
}
/**
* This is used to check for duplicate directory names in area. We could allow duplicate
* directory names from a logical/automatic linking perspective, but the database constraint
* would require a custom trigger. If we don't allow duplicate directory names in a logical
* area, we can apply a simple multicolumn UNIQUE constraint, that is a lot easier.
*
* @return boolean True if the current instances WikiName already exists in the parents area
*/
@Transactional
private boolean isUniqueWikinameInArea() {
if (parentDirectory == null) return true;
getEntityManager().joinTransaction();
// Unique directory name within area
Directory foundDirectory =
wikiLinkResolver.findDirectoryInArea(parentDirectory, getInstance().getWikiname());
if (foundDirectory != null && foundDirectory != getInstance()) {
facesMessages.addFromResourceBundle(
"name",
SEVERITY_ERROR,
getMessageKeyPrefix() + "duplicateNameInArea",
"Directory with that name already exists in this area."
);
return false;
}
return true;
}
}
1.1 date: 2007/02/01 07:08:26; author: cbauer; state: Exp;jboss-seam/examples/wiki/src/org/jboss/seam/wiki/core/node/UIBindings.java
Index: UIBindings.java
===================================================================
package org.jboss.seam.wiki.core.node;
import org.jboss.seam.annotations.Name;
import javax.faces.component.UIData;
/**
* Can't use conversational components for UI binding in Seam... and @In(#{uiComponents['id']}) doesn't work
* for some reason... and JSF stinks.
*/
@Name("uiBindings")
public class UIBindings {
private UIData childNodeTable;
public UIData getChildNodeTable() { return childNodeTable; }
public void setChildNodeTable(UIData childNodeTable) { this.childNodeTable = childNodeTable; }
}
1.1 date: 2007/02/01 07:08:26; author: cbauer; state: Exp;jboss-seam/examples/wiki/src/org/jboss/seam/wiki/core/node/Node.java
Index: Node.java
===================================================================
package org.jboss.seam.wiki.core.node;
import org.hibernate.validator.Length;
import org.jboss.seam.wiki.core.links.WikiLinkResolver;
import javax.persistence.*;
import java.util.List;
import java.util.ArrayList;
import java.util.Date;
import java.io.Serializable;
@Entity
@Table(
name = "NODE",
uniqueConstraints = {
// Siblings in a directory can't have the same name
@UniqueConstraint(columnNames = {"PARENT_NODE_ID", "WIKINAME"}),
// Wikiname of a document needs to be unique within an area
@UniqueConstraint(columnNames = {"NODE_TYPE", "AREA_NR", "WIKINAME"})
}
)
@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
@DiscriminatorColumn(
name = "NODE_TYPE",
length = 255
)
@org.hibernate.annotations.FilterDef(
name = "Node.onlyMenuItems",
defaultCondition = "MENU_ITEM = 'true'"
)
public abstract class Node implements Serializable {
@Id
@GeneratedValue
@Column(name = "NODE_ID")
protected Long id;
@Version
@Column(name = "OBJ_VERSION")
protected Integer version;
@Column(name = "NAME", length = 255, nullable = false)
@Length(min = 3, max = 255)
protected String name;
@Column(name = "WIKINAME", length = 255, nullable = false)
protected String wikiname;
@Column(name = "MENU_ITEM", nullable = false)
protected boolean menuItem;
@Column(name = "CREATED_ON", nullable = false)
private Date createdOn;
@Column(name = "LAST_MODIFIED_ON")
private Date lastModifiedOn;
@Column(name = "AREA_NR", nullable = false)
private Long areaNumber;
@ManyToOne
@JoinColumn(name = "PARENT_NODE_ID", nullable = true, insertable = false, updatable = false)
protected Node parent;
@OneToMany(cascade = CascadeType.PERSIST)
@JoinColumn(name = "PARENT_NODE_ID", nullable = true)
@org.hibernate.annotations.IndexColumn(name = "NODE_POSITION")
@org.hibernate.annotations.Filter(name = "Node.onlyMenuItems")
@org.hibernate.annotations.BatchSize(size = 5)
private List<Node> children = new ArrayList<Node>();
public Node() {
this.createdOn = new Date();
}
public Node(String name) {
this.name = name;
}
// Immutable properties
public Long getId() { return id; }
public String getIdAsString() {
// JSF is stupid
return getId().toString();
}
public Integer getVersion() { return version; }
public Date getCreatedOn() { return createdOn; }
// Mutable properties
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
this.wikiname = WikiLinkResolver.convertToWikiName(name);
makeDirty();
}
public String getWikiname() {
return wikiname;
}
public boolean isMenuItem() {
return menuItem;
}
public void setMenuItem(boolean menuItem) {
this.menuItem = menuItem;
}
public Date getLastModifiedOn() {
return lastModifiedOn;
}
public void setLastModifiedOn(Date lastModifiedOn) {
this.lastModifiedOn = lastModifiedOn;
}
public Long getAreaNumber() {
return areaNumber;
}
public void setAreaNumber(Long areaNumber) {
this.areaNumber = areaNumber;
}
public Node getParent() {
return parent;
}
public void setParent(Node parent) {
this.parent = parent;
}
public List<Node> getChildren() {
// Unfortunately, it needs to be modifiable for the virtual root logic...
//return Collections.unmodifiableList(children);
return children;
}
public void addChild(Node child) {
if (child.getParent() != null) child.getParent().getChildren().remove(child);
child.setParent(this);
this.getChildren().add(child);
}
public void removeChild(Node child) {
child.setParent(null);
this.getChildren().remove(child);
}
protected void makeDirty() {
setLastModifiedOn(new Date());
}
}
1.1 date: 2007/02/01 07:08:26; author: cbauer; state: Exp;jboss-seam/examples/wiki/src/org/jboss/seam/wiki/core/node/Directory.java
Index: Directory.java
===================================================================
package org.jboss.seam.wiki.core.node;
import javax.persistence.*;
@Entity
@DiscriminatorValue("DIRECTORY")
public class Directory extends Node {
@ManyToOne(fetch = FetchType.EAGER) // Lazy would break UI logic that relies on classnames (proxy doesn't work)
@JoinColumn(name = "DEFAULT_DOCUMENT_ID", nullable = true)
private Document defaultDocument;
public Directory() { super(); }
public Directory(String name) {
super(name);
}
// Mutable properties
public Document getDefaultDocument() {
return defaultDocument;
}
public void setDefaultDocument(Document defaultDocument) {
this.defaultDocument = defaultDocument;
makeDirty();
}
public String toString() {
return getName();
}
public Directory getParent() {
return (Directory)super.getParent();
}
}
1.1 date: 2007/02/01 07:08:26; author: cbauer; state: Exp;jboss-seam/examples/wiki/src/org/jboss/seam/wiki/core/node/NodeBrowser.java
Index: NodeBrowser.java
===================================================================
package org.jboss.seam.wiki.core.node;
import org.jboss.seam.annotations.*;
import org.jboss.seam.ScopeType;
import javax.persistence.EntityManager;
import javax.persistence.EntityNotFoundException;
import java.util.*;
/**
* Resolves <tt>currentDocument</tt> and <tt>currentDirectory</tt> objects for given request parameters.
* <p>
* URLs typically mapped and resolved with these classes:
* <p>
* <pre>
* http://host/ -- rewrite filter --> http://host/docDisplay.seam (DONE)
* http://host/123.html -- rewrite filter --> http://host/docDisplay.seam?nodeId=123 (DONE)
* http://host/Foo -- rewrite filter --> http://host/docDisplay.seam?dirName=Foo (PLANNED)
* http://host/Foo/Bar -- rewrite filter --> http://host/docDisplay.seam?dirName=Foo&docName=Bar (PLANNED)
* </pre>
* 'Foo' is a WikiName of a directory with a parentless parent (ROOT), we call this a logical area.
* 'Bar' is a WikiName of a document in that logical area, unique within that directory subtree.
* <p>
* We _never_ have URLs like <tt>http://host/Foo/Baz/Bar</tt> because 'Baz' would be a subdirectory
* we don't need. An area name and a document name is enough, the document name is unique within
* a subtree. We also never have <tt>http://host/Bar</tt>, a document name alone is not enough to
* identify a document, we also need the area name. In that case, 'Bar' would be treated like an
* area name and the default document of that area would be shown.
*
* @author Christian Bauer
*/
@Name("browser")
public class NodeBrowser {
@RequestParameter
protected String dirName;
@RequestParameter
protected String docName;
protected Long nodeId;
public Long getNodeId() { return nodeId; }
public void setNodeId(Long nodeId) { this.nodeId = nodeId; }
@In(create = true)
protected EntityManager entityManager;
@In
protected org.jboss.seam.core.Redirect redirect;
@In(create = true)
protected Directory wikiRoot;
// These are only EVENT scoped, we don't want them to jump from DocumentBrowser to
// DirectoryBrowser over redirects
@In(required=false) @Out(scope = ScopeType.EVENT, required = false)
protected Document currentDocument;
@In(required=false) @Out(scope = ScopeType.EVENT, required = false)
protected Directory currentDirectory;
@Out(scope = ScopeType.EVENT)
protected List<Node> currentDirectoryPath = new ArrayList<Node>();
/**
* Executes a redirect to the last view-id that was prepare()ed.
* <p>
* Usually called after ending a conversation. Assumes that the caller of the method does not want to propagate
* the current (ended) conversation across that redirect. Also removes any stored <tt>actionOutcome</tt>,
* <tt>actionMethod</tt> or <tt>cid</tt> request parameter before redirecting, we don't want to redirect to
* a prepare()ed page that was in a long-running conversation (temporary doesn't matter) or that was last
* called with an action (that action would probably send us straight back into the conversation we are trying
* to redirect out of).
*/
public void redirectToLastBrowsedPage() {
/*
// We don't want to redirect to an action, so if the last browsed page was called with an action, remove it
redirect.getParameters().remove("actionOutcome");
redirect.getParameters().remove("actionMethod");
// If the last browsed page had a conversation identifier (we assume of a temporary conversation), remove it
redirect.getParameters().remove("cid");
// We also don't want to redirect the long-running conversation, the caller has ended it already
redirect.setConversationPropagationEnabled(false);
*/
redirect.execute();
}
// Just a convenience method for recursive calling
protected void addDirectoryToPath(List<Node> path, Node directory) {
path.add(directory);
if (directory.getParent() != null )
addDirectoryToPath(path, directory.getParent());
}
public String prepareAndCapture() {
// Store the view-id that called this method (as a page action) for return (exit of a later conversation)
redirect.captureCurrentRequest();
return prepare();
}
@Transactional
public String prepare() {
// Have we been called with a nodeId request parameter, could be document or directory
if (nodeId != null) {
entityManager.joinTransaction();
// Try to find a document
try {
currentDocument = entityManager.find(Document.class, nodeId);
} catch (EntityNotFoundException ex) {}
// Document not found, see if it is a directory
if (currentDocument == null) {
try {
currentDirectory = entityManager.find(Directory.class, nodeId);
} catch (EntityNotFoundException ex) {}
// Try to get a default document of that directory
if (currentDirectory != null) {
currentDocument = currentDirectory.getDefaultDocument();
} else {
}
} else {
// Document found, take its directory
currentDirectory = currentDocument.getParent();
}
}
// Fall back to wiki root
if (currentDirectory== null) currentDirectory = wikiRoot;
// Prepare directory path for breadcrumb
addDirectoryToPath(currentDirectoryPath, currentDirectory);
Collections.reverse(currentDirectoryPath);
// This handles the wiki names in dirName and docName request parameters.
// The logic here is the same as the code that will resolve wiki URLs during rendering of
// pages, so we need to do that later...
if (dirName != null) {
System.out.println("#### NEED TO RESOLVE DIR NAME: " + dirName);
}
if (docName != null) {
System.out.println("#### NEED TO RESOLVE DOC NAME: " + docName);
}
// Return not-null outcome so we can navigate from here
return "prepared";
}
}
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