[CIShell-SVN] SF.net SVN: cishell:[984] trunk/core/org.cishell.utilities/src/org/cishell/ utilities/FileUtilities.java

[<pat...@us...>]

Revision: 984
          http://cishell.svn.sourceforge.net/cishell/?rev=984&view=rev
Author:   pataphil
Date:     2009-11-24 20:05:47 +0000 (Tue, 24 Nov 2009)

Log Message:
-----------
Committing Patrick's in-progress work, because he's sick and we need to continue with this (Micah).

Modified Paths:
--------------
    trunk/core/org.cishell.utilities/src/org/cishell/utilities/FileUtilities.java

Modified: trunk/core/org.cishell.utilities/src/org/cishell/utilities/FileUtilities.java
===================================================================
--- trunk/core/org.cishell.utilities/src/org/cishell/utilities/FileUtilities.java	2009-11-23 20:59:28 UTC (rev 983)
+++ trunk/core/org.cishell.utilities/src/org/cishell/utilities/FileUtilities.java	2009-11-24 20:05:47 UTC (rev 984)
@@ -11,6 +11,7 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.io.OutputStream;
 import java.net.URI;
 import java.net.URL;
 import java.nio.channels.FileChannel;
@@ -19,6 +20,7 @@
 
 public class FileUtilities {
 	public static final int READ_TEXT_FILE_BUFFER_SIZE = 1024;
+	public static final String DEFAULT_STREAM_TO_FILE_NAME = "stream_";
 	
 	/*
 	 * Return a File pointing to the directory specified in
@@ -173,6 +175,7 @@
      */
     public static String extractReaderContents(BufferedReader bufferedReader) throws IOException {
     	StringBuffer contents = new StringBuffer();
+    	// TODO: Use READ_TEXT_FILE_BUFFER_SIZE as the size instead of 1?
     	char[] readInCharacters = new char[1];
     	int readCharacterCount = bufferedReader.read(readInCharacters);
     	
@@ -241,6 +244,53 @@
     	return new File(URI.create(fileURL.toString()));
     }
     
+    public static File safeLoadFileFromClasspath(Class clazz, String filePath) throws IOException {
+    	InputStream input = clazz.getResourceAsStream(filePath);
+    	String fileExtension = getFileExtension(filePath);
+    	
+    	return writeEntireStreamToTemporaryFile(input, fileExtension);
+    }
+    
+    public static File writeEntireStreamToTemporaryFile(InputStream stream, String fileExtension)
+    		throws IOException {
+    	return writeEntireStreamToTemporaryFile(
+    		stream, DEFAULT_STREAM_TO_FILE_NAME, fileExtension);
+    }
+    
+    public static File writeEntireStreamToTemporaryFile(
+    		InputStream input, String fileName, String fileExtension) throws IOException {
+    	File temporaryFile =
+    		createTemporaryFileInDefaultTemporaryDirectory(fileName, fileExtension);
+    	OutputStream output = new FileOutputStream(temporaryFile);
+    	// TODO: Use READ_TEXT_FILE_BUFFER_SIZE.
+    	byte[] readCharacters = new byte[1];
+    	int readCharacterCount = input.read(readCharacters);
+    	
+    	while (readCharacterCount > 0) {
+    		output.write(readCharacters, 0, readCharacterCount);
+    		readCharacterCount = input.read(readCharacters);
+    	}
+    	
+    	output.close();
+    	input.close();
+    	
+    	return temporaryFile;
+    }
+    
+    public static String getFileExtension(File file) {
+    	return getFileExtension(file.getAbsolutePath());
+    }
+    
+    public static String getFileExtension(String filePath) {
+    	int periodPosition = filePath.lastIndexOf(".");
+    	
+    	if ((periodPosition != -1) && ((periodPosition + 1) < filePath.length())) {
+    		return filePath.substring(periodPosition);
+    	} else {
+    		return "";
+    	}
+    }
+    
     private static File ensureDirectoryExists(String directoryPath) {
     	File directory = new File(directoryPath);
     	


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