scala.c24.demo.java.C24DemoUtils.java Source code

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Here is the source code for scala.c24.demo.java.C24DemoUtils.java

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/*
 * Copyright 2002-2012 the original author or authors.
 *
 * 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.
 */
package scala.c24.demo.java;

import java.io.ByteArrayInputStream;
import java.io.StringWriter;

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Document;

import org.springframework.core.io.Resource;

/**
 *
 * @author Oleg Zhurakousky
 *
 */
public class C24DemoUtils {

    public static Document getDocument(Resource resource) throws Exception {
        Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(resource.getFile());

        return document;

    }

    public static Document getDocumentFromString(String xml) throws Exception {
        Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder()
                .parse(new ByteArrayInputStream(xml.getBytes()));
        return document;
    }

    public static String getDocumentAsString(Resource resource) throws Exception {

        Document document = getDocument(resource);
        TransformerFactory tf = TransformerFactory.newInstance();
        Transformer transformer = tf.newTransformer();
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        StringWriter writer = new StringWriter();
        transformer.transform(new DOMSource(document), new StreamResult(writer));
        String output = writer.getBuffer().toString().replaceAll("\n|\r", "");
        return output;
    }

}