Java tutorial
//package com.java2s; /** * Copyright 2015, Emory University * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import org.w3c.dom.Element; public class Main { static public float getFloatAttribute(Element element, String name) { String s = getTrimmedAttribute(element, name); return s.isEmpty() ? 0f : Float.parseFloat(s); } static public String getTrimmedAttribute(Element element, String name) { return element.getAttribute(name).trim(); } }