/*
* Copyright (c) 2009-2012 jMonkeyEngine
* 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.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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 com.jme3.util.xml;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector3f;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* Utility methods for parsing XML data using SAX.
*/
public final class SAXUtil {
/**
* Parses an integer from a string, if the string is null returns
* def.
*
* @param i The string to parse
* @param def The default value if the string is null
* @return
* @throws SAXException
*/
public static int parseInt(String i, int def) throws SAXException{
if (i == null)
return def;
else{
try {
return Integer.parseInt(i);
} catch (NumberFormatException ex){
throw new SAXException("Expected an integer, got '"+i+"'");
}
}
}
public static int parseInt(String i) throws SAXException{
if (i == null)
throw new SAXException("Expected an integer");
else{
try {
return Integer.parseInt(i);
} catch (NumberFormatException ex){
throw new SAXException("Expected an integer, got '"+i+"'");
}
}
}
public static float parseFloat(String f, float def) throws SAXException{
if (f == null)
return def;
else{
try {
return Float.parseFloat(f);
} catch (NumberFormatException ex){
throw new SAXException("Expected a decimal, got '"+f+"'");
}
}
}
public static float parseFloat(String f) throws SAXException{
if (f == null)
throw new SAXException("Expected a decimal");
else{
try {
return Float.parseFloat(f);
} catch (NumberFormatException ex){
throw new SAXException("Expected a decimal, got '"+f+"'");
}
}
}
public static boolean parseBool(String bool, boolean def) throws SAXException{
if (bool == null || bool.equals(""))
return def;
else
return Boolean.valueOf(bool);
//else
//else
// throw new SAXException("Expected a boolean, got'"+bool+"'");
}
public static String parseString(String str, String def){
if (str == null)
return def;
else
return str;
}
public static String parseString(String str) throws SAXException{
if (str == null)
throw new SAXException("Expected a string");
else
return str;
}
public static Vector3f parseVector3(Attributes attribs) throws SAXException{
float x = parseFloat(attribs.getValue("x"));
float y = parseFloat(attribs.getValue("y"));
float z = parseFloat(attribs.getValue("z"));
return new Vector3f(x,y,z);
}
public static ColorRGBA parseColor(Attributes attribs) throws SAXException{
float r = parseFloat(attribs.getValue("r"));
float g = parseFloat(attribs.getValue("g"));
float b = parseFloat(attribs.getValue("b"));
return new ColorRGBA(r, g, b, 1f);
}
}