Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (c) 2012 - 2015 by Stefan Ferstl <st.ferstl@gmail.com>
 *
 * 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 java.io.File;
import java.io.IOException;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;

import org.xml.sax.SAXException;

public class Main {
    /**
     * Parses the given file into an XML {@link Document}.
     * @param file The file to parse.
     * @return The created XML {@link Document}.
     */
    public static Document parseXml(File file) {
        if (!file.exists()) {
            throw new IllegalArgumentException("File " + file + " does not exist.");
        }
        try {
            DocumentBuilder docBuilder = createDocumentBuilder();
            return docBuilder.parse(file);
        } catch (SAXException | IOException e) {
            throw new IllegalStateException("Unable to parse XML file " + file, e);
        }
    }

    private static DocumentBuilder createDocumentBuilder() {
        try {
            return DocumentBuilderFactory.newInstance().newDocumentBuilder();
        } catch (ParserConfigurationException e) {
            throw new IllegalStateException("Cannot create document builder", e);
        }
    }
}