Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2010-2013, CloudBees Inc.
 *
 * 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 com.google.common.base.Preconditions;
import org.w3c.dom.Document;

import org.xml.sax.SAXException;
import javax.annotation.Nonnull;

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

import java.io.*;

public class Main {
    private final static DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();

    /**
     * Load the given {@code file} as an XML document.
     *
     * @param file
     * @return the loaded XML document
     * @throws ParserConfigurationException
     * @throws IOException
     * @throws SAXException
     */
    @Nonnull
    public static Document loadXmlDocumentFromFile(@Nonnull File file)
            throws ParserConfigurationException, IOException, SAXException {
        Preconditions.checkArgument(file.exists(), "File not found %s", file);
        Preconditions.checkArgument(!file.isDirectory(), "Expected file and not directory: %s", file);

        DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
        try {
            return documentBuilder.parse(file);
        } catch (IOException | SAXException e) {
            throw new IOException("Exception loading XML document " + file, e);
        }
    }
}