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package dk.jarry.util;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStream;
import java.io.Writer;
import javax.xml.parsers.DocumentBuilder;
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;
public class XmlUtil {
public static void prettyPrint(File file) throws Exception {
if (file == null || !file.isFile()) {
throw new IllegalArgumentException("file skal være af typen File");
}
InputStream in = null;
try {
in = new FileInputStream(file);
prettyPrint(in, file);
} finally {
if (in != null) {
try {
in.close();
} catch (Exception e) {
// Do Nothing
}
}
}
}
public static void prettyPrint(File inFile, File outFile) throws Exception {
if (inFile == null || !inFile.isFile()) {
throw new IllegalArgumentException("inFile skal være af typen File");
}
if (outFile == null || !outFile.isFile()) {
throw new IllegalArgumentException("outFile skal være af typen File");
}
InputStream in = null;
try {
in = new FileInputStream(inFile);
prettyPrint(in, outFile);
} finally {
if (in != null) {
try {
in.close();
} catch (Exception e) {
// Do Nothing
}
}
}
}
public static void prettyPrint(InputStream in, File outFile) throws Exception {
if (in == null) {
throw new IllegalArgumentException("in må ikke være null");
}
if (outFile == null || !outFile.isFile()) {
throw new IllegalArgumentException("outFile skal være af typen File");
}
Writer out = null;
try {
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
dbf.setValidating(false);
DocumentBuilder db = dbf.newDocumentBuilder();
Document document = db.parse(in);
Transformer tf = TransformerFactory.newInstance().newTransformer();
tf.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
tf.setOutputProperty(OutputKeys.INDENT, "yes");
tf.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
out = new FileWriter(outFile);
tf.transform(new DOMSource(document), new StreamResult(out));
} catch (Exception e) {
throw e;
} finally {
if (out != null) {
try {
out.close();
} catch (Exception e) {
// Do Nothing
}
}
}
}
}
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