/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2004-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.validation;
import java.beans.IntrospectionException;
import java.beans.PropertyDescriptor;
import java.beans.PropertyEditorManager;
import java.beans.PropertyEditorSupport;
import java.beans.SimpleBeanInfo;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
/**
* Utility class extending SimpleBeanInfo with our own helper functions.
*
* @author David Zwiers, Refractions Research, Inc.
* @author $Author: jive $ (last modification)
*
*
* @source $URL$
* @version $Id$
*/
public class ValidationBeanInfo extends SimpleBeanInfo {
/**
* ValidationBeanInfo constructor.
*
* <p>
* Description
* </p>
*/
public ValidationBeanInfo() {
super();
PropertyEditorManager.registerEditor(URL.class, URLPropertyEditor.class);
}
/**
* Implementation of getPropertyDescriptors. This method should be called
* by all overriding sub-class methods. Property names 'name',
* 'description', 'typeNames'
*
*
* @see java.beans.BeanInfo#getPropertyDescriptors()
*/
public PropertyDescriptor[] getPropertyDescriptors() {
try {
PropertyDescriptor[] pd = new PropertyDescriptor[2];
ResourceBundle resourceBundle = getResourceBundle(Validation.class);
pd[0] = createPropertyDescriptor("name", Validation.class,
resourceBundle);
pd[0].setExpert(false);
pd[1] = createPropertyDescriptor("description", Validation.class,
resourceBundle);
pd[1].setExpert(false);
return pd;
} catch (IntrospectionException e) {
// TODO error, log here
e.printStackTrace();
return new PropertyDescriptor[0];
}
}
/** Based on getCLass().getName() return target Bean type */
protected Class beanType(){
Class type = getClass();
String typeName = type.getName();
if( typeName.endsWith( "BeanInfo" ) ){
typeName = typeName.substring(0,typeName.length()-8);
try {
return Class.forName( typeName );
} catch (ClassNotFoundException e) {
return null;
}
}
return null;
}
/** Return bundle for the property file for out beanType */
protected ResourceBundle getResourceBundle() {
return getResourceBundle( beanType () );
}
/** Return bundle for the property file for the provided class */
protected ResourceBundle getResourceBundle(Class cls) {
Locale locale = Locale.getDefault();
try {
return ResourceBundle.getBundle(cls.getName(), locale);
} catch (MissingResourceException mre) {
return ResourceBundle.getBundle(cls.getName());
}
}
protected PropertyDescriptor createPropertyDescriptor(String name, ResourceBundle bundle) throws IntrospectionException {
return createPropertyDescriptor( name, beanType(), bundle );
}
protected PropertyDescriptor createPropertyDescriptor(String name,
Class cls, ResourceBundle resourceBundle) throws IntrospectionException {
PropertyDescriptor pd = new PropertyDescriptor(name, cls);
String s = resourceBundle.getString(pd.getName() + ".DisplayName");
if ((s == null) || (s == "")) {
s = pd.getDisplayName();
}
pd.setDisplayName(s);
s = resourceBundle.getString(pd.getName() + ".Description");
if ((s == null) || (s == "")) {
s = pd.getShortDescription();
}
pd.setShortDescription(s);
return pd;
}
/**
* URLPropertyEditor purpose.
*
* <p>
* Used to support java.net.URL properties in BeanInfo's
* </p>
*
* @author dzwiers, Refractions Research, Inc.
* @author $Author: jive $ (last modification)
* @version $Id$
*/
class URLPropertyEditor extends PropertyEditorSupport {
/** the editor's data */
URL url;
/**
* Implementation of getAsText.
*
*
* @see java.beans.PropertyEditor#getAsText()
*/
public String getAsText() {
return url.toString();
}
/**
* Implementation of setAsText.
*
* @param text
*
* @throws IllegalArgumentException
*
* @see java.beans.PropertyEditor#setAsText(java.lang.String)
*/
public void setAsText(String text) throws IllegalArgumentException {
try {
url = new URL(text);
} catch (MalformedURLException e) {
throw new IllegalArgumentException("Invalid URL: " + text);
}
}
/**
* Implementation of supportsCustomEditor.
*
*
* @see java.beans.PropertyEditor#supportsCustomEditor()
*/
public boolean supportsCustomEditor() {
return false;
}
/**
* Implementation of getJavaInitializationString.
*
*
* @see java.beans.PropertyEditor#getJavaInitializationString()
*/
public String getJavaInitializationString() {
return "new URL(\"" + url.toString() + "\")";
}
/**
* Implementation of isPaintable.
*
*
* @see java.beans.PropertyEditor#isPaintable()
*/
public boolean isPaintable() {
return false;
}
/**
* Implementation of toString.
*
*
* @see java.lang.Object#toString()
*/
public String toString() {
return url.toString();
}
/**
* Implementation of setValue.
*
* @param value
*
* @see java.beans.PropertyEditor#setValue(java.lang.Object)
*/
public void setValue(Object value) {
try {
url = new URL(value.toString());
} catch (MalformedURLException e) {
//TODO error, log this
e.printStackTrace();
}
}
/**
* Implementation of getValue.
*
*
* @see java.beans.PropertyEditor#getValue()
*/
public Object getValue() {
return url;
}
}
}