Fix checkstyle errors

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@115207 13f79535-47bb-0310-9956-ffa450edef68

xdoc/src/main/org/apache/maven/NavBean.java

@@ -16,141 +16,205 @@ package org.apache.maven;
  *   limitations under the License.
  * ====================================================================
  */
+import org.dom4j.Attribute;
+import org.dom4j.Node;
+
+import org.dom4j.tree.DefaultElement;
 
 import java.util.List;
 
-import org.dom4j.Attribute;
-import org.dom4j.Node;
-import org.dom4j.tree.DefaultElement;
 
 /**
- * @author <a href="bwalding@jakarta.org">Ben Walding</a>
- * @version $Id: NavBean.java,v 1.7 2004/03/02 15:36:14 evenisse Exp $
+ * Navigation Bean.
+ *
+ * @author <a href="mailto:bwalding@jakarta.org">Ben Walding</a>
+ * @version $Id: NavBean.java,v 1.8 2004/05/09 20:58:49 aheritier Exp $
  */
 public class NavBean
 {
-    private String location;
-    private Node document;
+  //~ Instance fields ----------------------------------------------------------
 
-    public void setDocument(Object o)
+  /** The current document. */
+  private Node document;
+
+  /** The current location. */
+  private String location;
+
+  //~ Methods ------------------------------------------------------------------
+
+  /**
+   * Determines if the given node is collapsed.  If a parent of this node is
+   * collapsed, this will give spurious results.
+   *
+   * @param o the node to test
+   *
+   * @return boolean
+   */
+  public boolean isCollapsed(Object o)
+  {
+    //If we don't know where we are, collapse it - something outside of our knowledge
+    if (location == null)
     {
-        document = (Node) o;
+      return true;
     }
 
-    private static String getAttribute(DefaultElement elem, String attribute, String defaultValue)
+    if (!(o instanceof DefaultElement))
     {
-        Attribute attr = elem.attribute(attribute);
-        if (attr == null)
-        {
-            return defaultValue;
-        }
+      System.out.println(o.getClass().getName());
 
-        return attr.getStringValue();
+      return false;
     }
 
-    private static boolean getCollapseAttribute(DefaultElement elem)
+    DefaultElement elem = (DefaultElement) o;
+
+    boolean        collapsed = getCollapseAttribute(elem);
+
+    if (!collapsed)
     {
-        return Boolean.valueOf(getAttribute(elem, "collapse", "false")).booleanValue();
-    }
-    private static String getHREFAttribute(DefaultElement elem)
-    {
-        return getAttribute(elem, "href", null);
-    }
-    
-    /**
-     * Determines if the given node is collapsed.  If a parent of this node is
-     * collapsed, this will give spurious results.
-     * @param o
-     * @return boolean
-     */
-    public boolean isCollapsed(Object o)
-    {
-        //If we don't know where we are, collapse it - something outside of our knowledge
-        if (location == null)
-        {
-            return true;
-        }
-
-        if (!(o instanceof DefaultElement))
-        {
-            System.out.println(o.getClass().getName());
-            return false;
-        }
-        DefaultElement elem = (DefaultElement) o;
-
-        boolean collapsed = getCollapseAttribute(elem);
-        if (!collapsed) 
-        {
-            return false;
-        }
-
-        if (isSelected(o))
-        {
-            return false;
-        }
-
-        //System.out.println(elem.asXML());
-        String xpath;
-        if (location.startsWith("/")  || location.startsWith(".")) {
-            xpath =    ".//item[@href='" + location + "']";
-
-        } else {
-            xpath =   ".//item[@href='/" + location + "']";
-
-        }
-
-        
-        List l = elem.selectNodes(xpath);
-
-        if (l.size() != 0)
-        {
-            return false;
-        }
-
-        return true;
+      return false;
     }
 
-    /**
-     * Determines if a given <code>item</code> node is the selected node
-     * @param o
-     * @return boolean
-     */
-    public boolean isSelected(Object o)
+    if (isSelected(o))
     {
-        if (location == null)
-        {
-            return false;
-        }
-
-        DefaultElement elem = (DefaultElement) o;
-        if (location.equals(getHREFAttribute(elem)))
-        {
-            return true;
-        }
-
-        return false;
+      return false;
     }
 
-    /**
-     * Sets the location.
-     * @param location The location to set
-     */
-    public void setLocation(String location)
+    //System.out.println(elem.asXML());
+    String xpath;
+
+    if (location.startsWith("/") || location.startsWith("."))
     {
-        if (!location.startsWith("/"))
-            location = "/" + location;
-            
-        this.location = location;
+      xpath = ".//item[@href='" + location + "']";
+    }
+    else
+    {
+      xpath = ".//item[@href='/" + location + "']";
     }
 
-    /**
-     * Find the first <code>item</code> with a given href
-     * @param href
-     * @return DefaultElement
-     */
-    public DefaultElement getFirstNodeByHREF(String href)
+    List l = elem.selectNodes(xpath);
+
+    if (l.size() != 0)
     {
-        String xpath = "//item[@href='" + href + "']";
-        return (DefaultElement) document.selectSingleNode(xpath);
+      return false;
     }
+
+    return true;
+  }
+
+  /**
+   * Setter.
+   *
+   * @param o The new document.
+   */
+  public void setDocument(Object o)
+  {
+    document = (Node) o;
+  }
+
+  /**
+   * Find the first <code>item</code> with a given href
+   *
+   * @param href the href to find.
+   *
+   * @return DefaultElement
+   */
+  public DefaultElement getFirstNodeByHREF(String href)
+  {
+    String xpath = "//item[@href='" + href + "']";
+
+    return (DefaultElement) document.selectSingleNode(xpath);
+  }
+
+  /**
+   * Sets the location.
+   *
+   * @param newLocation The location to set
+   */
+  public void setLocation(String newLocation)
+  {
+    if (!newLocation.startsWith("/"))
+    {
+      newLocation = "/" + newLocation;
+    }
+
+    this.location = newLocation;
+  }
+
+  /**
+   * Determines if a given <code>item</code> node is the selected node
+   *
+   * @param o the item to test
+   *
+   * @return true if the item is currently selected.
+   */
+  public boolean isSelected(Object o)
+  {
+    if (location == null)
+    {
+      return false;
+    }
+
+    DefaultElement elem = (DefaultElement) o;
+
+    if (location.equals(getHREFAttribute(elem)))
+    {
+      return true;
+    }
+
+    return false;
+  }
+
+  /**
+   * Return the attribute's value for an element.
+   *
+   * @param elem The element to read
+   * @param attribute The attribute's name to get.
+   * @param defaultValue A default value to return.
+   *
+   * @return The attribute's value for the given element.
+   */
+  private static String getAttribute(
+    DefaultElement elem,
+    String         attribute,
+    String         defaultValue)
+  {
+    Attribute attr = elem.attribute(attribute);
+
+    if (attr == null)
+    {
+      return defaultValue;
+    }
+
+    return attr.getStringValue();
+  }
+
+  /**
+   * Test if the element is collapsed.
+   *
+   * @param elem The element to test
+   *
+   * @return true if the element has a collapse attribute with the value true.
+   */
+  private static boolean getCollapseAttribute(DefaultElement elem)
+  {
+    return Boolean.valueOf(getAttribute(
+        elem,
+        "collapse",
+        "false")).booleanValue();
+  }
+
+  /**
+   * Return href attribute.
+   *
+   * @param elem element.
+   *
+   * @return href value.
+   */
+  private static String getHREFAttribute(DefaultElement elem)
+  {
+    return getAttribute(
+      elem,
+      "href",
+      null);
+  }
 }