Initial release

src/distMaker/apple/PropFileUtil.java

@@ -0,0 +1,127 @@
+package distMaker.apple;
+
+import glum.io.IoUtil;
+
+import java.io.*;
+
+import javax.xml.parsers.*;
+import javax.xml.transform.*;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+
+import org.w3c.dom.*;
+import org.xml.sax.SAXException;
+
+/**
+ * Utility class which contains a set of methods to interact with an Apple Info.plist file.
+ */
+public class PropFileUtil
+{
+	/**
+	 * Utility method to update the specified version in the plist file (aFile) to the new version.
+	 * <P>
+	 * Note this method is very brittle, and assumes that the version will occur in the sibling node which immediately
+	 * follows the node with a value of CFBundleVersion.
+	 */
+	public static boolean updateVersion(File aFile, String aNewVersin)
+	{
+		DocumentBuilderFactory dbf;
+		Document dom;
+		Element doc;
+
+		// Make an instance of the DocumentBuilderFactory
+		dbf = DocumentBuilderFactory.newInstance();
+		try
+		{
+			// use the factory to take an instance of the document builder
+			DocumentBuilder db = dbf.newDocumentBuilder();
+
+			// Parse using the builder to get the DOM mapping of the XML file
+			dom = db.parse(aFile);
+			doc = dom.getDocumentElement();
+
+			NodeList nodeList;
+			Node keyNode, strNode;
+
+			nodeList = doc.getElementsByTagName("*");
+			for (int c1 = 0; c1 < nodeList.getLength(); c1++)
+			{
+				keyNode = nodeList.item(c1).getFirstChild();
+				if (keyNode != null && keyNode.getNodeValue().equals("CFBundleVersion") == true)
+				{
+					System.out.println("Updating contents of file: " + aFile);
+
+					strNode = nodeList.item(c1 + 1).getFirstChild();
+					System.out.println("  Old Version: " + strNode.getNodeValue());
+
+					strNode.setNodeValue(aNewVersin);
+					System.out.println("  New Version: " + strNode.getNodeValue());
+				}
+			}
+
+			// Update the file with the changed document
+			writeDoc(aFile, dom);
+
+			return true;
+		}
+		catch (ParserConfigurationException aExp)
+		{
+			aExp.printStackTrace();
+//			System.out.println(aExp);
+		}
+		catch (SAXException aExp)
+		{
+			aExp.printStackTrace();
+//			System.out.println(aExp);
+		}
+		catch (IOException aExp)
+		{
+			aExp.printStackTrace();
+//			System.err.println(aExp);
+		}
+
+		return false;
+	}
+
+	/**
+	 * Helper method to output the specified document to aFile
+	 */
+	private static boolean writeDoc(File aFile, Document aDoc)
+	{
+		FileOutputStream oStream;
+
+		oStream = null;
+		try
+		{
+			Transformer tr = TransformerFactory.newInstance().newTransformer();
+			tr.setOutputProperty(OutputKeys.INDENT, "yes");
+			tr.setOutputProperty(OutputKeys.METHOD, "xml");
+			tr.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
+//			tr.setOutputProperty(OutputKeys.DOCTYPE_SYSTEM, "roles.dtd");
+//			tr.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
+
+			// Serialize the Document
+			oStream = new FileOutputStream(aFile);
+			tr.transform(new DOMSource(aDoc), new StreamResult(oStream));
+		}
+		catch (TransformerException aExp)
+		{
+			aExp.printStackTrace();
+//			System.out.println(aExp);
+			return false;
+		}
+		catch (IOException aExp)
+		{
+			aExp.printStackTrace();
+//			System.out.println(aExp);
+			return false;
+		}
+		finally
+		{
+			IoUtil.forceClose(oStream);
+		}
+
+		return true;
+	}
+
+}