/**
*
*/
package org.javabuilders.handler.type;
import java.net.URL;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import org.javabuilders.BuildException;
import org.javabuilders.BuildProcess;
import org.javabuilders.Node;
import org.javabuilders.handler.ITypeAsValueHandler;
import org.javabuilders.util.BuilderUtils;
/**
* Handler for all Icon objects
* @author Jacek Furmankiewicz
*
*/
public class IconAsValueHandler implements ITypeAsValueHandler<Icon> {
private final static IconAsValueHandler singleton = new IconAsValueHandler();
public static IconAsValueHandler getInstance() {return singleton;}
public static final String IMAGE_REGEX = ".+"; //all are allowed, as path could be a resource key name
//private constructor only
private IconAsValueHandler() {}
/* (non-Javadoc)
* @see org.javabuilders.handler.ITypeAsValueHandler#getInputValueSample()
*/
public String getInputValueSample() {
return "images/save48x48.png";
}
/* (non-Javadoc)
* @see org.javabuilders.handler.ITypeAsValueHandler#getRegex()
*/
public String getRegex() {
//valid icon path : thanks to regexlib.com
//http://regexlib.com/REDetails.aspx?regexp_id=1457
return IMAGE_REGEX;
}
/* (non-Javadoc)
* @see org.javabuilders.handler.ITypeAsValueHandler#getValue(org.javabuilders.BuildProcess, org.javabuilders.Node, java.lang.String, java.lang.Object)
*/
public Icon getValue(BuildProcess process, Node node, String key,
Object inputValue) throws BuildException {
String path = (String)inputValue;
URL imgURL = BuilderUtils.getResourceURL(process, path);
if (imgURL != null) {
return new ImageIcon(imgURL);
} else {
throw new BuildException("Unable to find Icon defined by path: " + path);
}
}
/* (non-Javadoc)
* @see org.javabuilders.IApplicable#getApplicableClass()
*/
public Class<?> getApplicableClass() {
return Icon.class;
}
}