/*
* Copyright (c) 2003-2008, Franz-Josef Elmer, All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package classycle.renderer;
import java.text.MessageFormat;
import classycle.graph.GraphAttributes;
import classycle.graph.NameAttributes;
import classycle.graph.StrongComponent;
import classycle.graph.Vertex;
/**
* XML renderer of a {@link StrongComponent}.
*
* @author Franz-Josef Elmer
*/
public class XMLStrongComponentRenderer
extends AbstractStrongComponentRenderer {
private final int _minimumSize;
protected String getStrongComponentElementName()
{
return "cycle";
}
protected String getNodesElementName()
{
return "classes";
}
protected String getNodeElementName()
{
return "classRef";
}
protected String getCenterNodesElementName()
{
return "centerClasses";
}
protected String getBestFragmentersElementName()
{
return "bestFragmenters";
}
private MessageFormat getStrongComponentElementTemplate()
{
return new MessageFormat(" <" + getStrongComponentElementName()
+ " name=\"{0}\" size=\"{1}\" longestWalk=\"{2}\""
+ " girth=\"{3}\" radius=\"{4}\" diameter=\"{5}\""
+ " bestFragmentSize=\"{6}\">\n");
}
private MessageFormat getNodeElementTemplate()
{
return new MessageFormat(" <" + getNodeElementName()
+ " name=\"{0}\"/>\n");
}
private MessageFormat getNodeElementTemplateWithEccentricity()
{
return new MessageFormat(" <" + getNodeElementName()
+ " name=\"{0}\" eccentricity=\"{1}\""
+ " maximumFragmentSize=\"{2}\"/>\n");
}
/**
* Creates an instance for the specified minimum number vertices.
* @param minimumSize Minimum number of vertices the {@link StrongComponent}
* should have to be rendered.
*/
public XMLStrongComponentRenderer(int minimumSize)
{
_minimumSize = minimumSize;
}
public String render(StrongComponent component)
{
StringBuffer result = new StringBuffer();
if (component.getNumberOfVertices() >= _minimumSize)
{
String[] values = new String[7];
values[0] = createName(component);
values[1] = Integer.toString(component.getNumberOfVertices());
values[2] = Integer.toString(component.getLongestWalk());
GraphAttributes attributes = (GraphAttributes) component.getAttributes();
values[3] = Integer.toString(attributes.getGirth());
values[4] = Integer.toString(attributes.getRadius());
values[5] = Integer.toString(attributes.getDiameter());
values[6] = Integer.toString(attributes.getBestFragmentSize());
getStrongComponentElementTemplate().format(values, result, null);
renderClasses(component, result);
renderVertices(attributes.getCenterVertices(), result,
getCenterNodesElementName());
renderVertices(attributes.getBestFragmenters(), result,
getBestFragmentersElementName());
result.append(" </").append(getStrongComponentElementName())
.append(">\n");
}
return new String(result);
}
private void renderClasses(StrongComponent component, StringBuffer result)
{
result.append(" <").append(getNodesElementName()).append(">\n");
int[] eccentricities
= ((GraphAttributes) component.getAttributes()).getEccentricities();
int[] maximumFragmentSizes
= ((GraphAttributes) component.getAttributes())
.getMaximumFragmentSizes();
String[] values = new String[3];
MessageFormat template = getNodeElementTemplateWithEccentricity();
for (int i = 0, n = component.getNumberOfVertices(); i < n; i++)
{
values[0] = ((NameAttributes) component.getVertex(i).getAttributes())
.getName();
values[1] = Integer.toString(eccentricities[i]);
values[2] = Integer.toString(maximumFragmentSizes[i]);
template.format(values, result, null);
}
result.append(" </").append(getNodesElementName()).append(">\n");
}
private void renderVertices(Vertex[] vertices, StringBuffer result,
String tagName)
{
result.append(" <").append(tagName).append(">\n");
String[] values = new String[1];
MessageFormat template = getNodeElementTemplate();
for (int i = 0; i < vertices.length; i++) {
values[0] = ((NameAttributes) vertices[i].getAttributes()).getName();
template.format(values, result, null);
}
result.append(" </").append(tagName).append(">\n");
}
} //class