X-Git-Url: http://www2.svjatoslav.eu/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Feu%2Fsvjatoslav%2Fmeviz%2Fhtmlindexer%2FUtils.java;h=9da4656bc0bccadac2b5cb18417066bcb9cf3e7a;hb=115456739edd5ae7dc67ac9e9f90d628aa65b4a3;hp=b21f8e9a59e33175b9e481212b0a7a0851f27e00;hpb=50cb7085d553fdd82cd06806cd27b1675299f719;p=meviz.git

diff --git a/src/main/java/eu/svjatoslav/meviz/htmlindexer/Utils.java b/src/main/java/eu/svjatoslav/meviz/htmlindexer/Utils.java
index b21f8e9..9da4656 100755
--- a/src/main/java/eu/svjatoslav/meviz/htmlindexer/Utils.java
+++ b/src/main/java/eu/svjatoslav/meviz/htmlindexer/Utils.java
@@ -1,7 +1,7 @@
 /*
  * Meviz - Various tools collection to work with multimedia.
  * Copyright (C) 2012, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
- * 
+ *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of version 2 of the GNU General Public License
  * as published by the Free Software Foundation.
@@ -10,58 +10,119 @@
 package eu.svjatoslav.meviz.htmlindexer;
 
 import java.awt.image.BufferedImage;
+import java.io.BufferedReader;
 import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
 import java.io.IOException;
+import java.util.HashSet;
 import java.util.zip.CRC32;
 
 import javax.imageio.ImageIO;
 
+import eu.svjatoslav.meviz.htmlindexer.layouts.MixedLayout;
+
 public class Utils {
 
-    private static File lastLoadedFile;
+	/**
+	 * Load image into {@link BufferedImage} and return it. Caches last loaded
+	 * image to speed up subsequent loading attempts.
+	 *
+	 * @throws ImageFormatError
+	 * @throws IOException
+	 */
+	public static BufferedImage getBufferedImage(final File file)
+			throws ImageFormatError, IOException {
+		if (file.equals(lastLoadedFile))
+			return lastLoadedBufferedImage;
+
+		System.out.println("Loading image: " + file.getPath());
+		lastLoadedBufferedImage = ImageIO.read(file);
+		lastLoadedFile = file;
+
+		if (lastLoadedBufferedImage == null) {
+			System.out.println("Error reading image: " + file);
+			throw new ImageFormatError("File: " + file
+					+ " is not a valid image.");
+
+		}
+
+		return lastLoadedBufferedImage;
+	}
+
+	public static File getLayoutIndexFile(final Layout layout,
+			final File directoryToIndex) {
+
+		final String indexFilePath = directoryToIndex.getAbsolutePath()
+				+ "/index" + layout.getFileNameSuffix() + ".html";
+
+		return new File(indexFilePath);
+	}
+
+	public static HashSet<Layout> getLayouts() {
+		final HashSet<Layout> layouts = new HashSet<Layout>();
+		layouts.add(new MixedLayout());
+		return layouts;
+	}
+
+	public static String getStringCrcAsHex(final String input) {
+
+		// create a new CRC-calculating object
+		final CRC32 crc = new CRC32();
+
+		// loop, calculating CRC for each byte of the string
+		// There is no CRC16.update(byte[]) method.
+		for (final byte b : input.getBytes())
+			crc.update(b);
+
+		// note use crc.value, not crc.getValue()
+		final String hex = Integer.toHexString((int) crc.getValue())
+				.toUpperCase();
+
+		// System.out.println("Input string: " + input);
+		// System.out.println("Result: " + hex);
+
+		return hex;
+	}
 
-    private static BufferedImage lastLoadedBufferedImage;
+	public static File getThumbnailsDirectory(final File directoryToIndex) {
+		return new File(getThumbnailsDirectoryPath(directoryToIndex));
+	}
 
-    /**
-     * Load image into {@link BufferedImage} and return it. Caches last loaded
-     * image to speed up subsequent loading attempts.
-     * 
-     * @throws ImageFormatError
-     * @throws IOException
-     */
-    public static BufferedImage getBufferedImage(final File file) throws ImageFormatError, IOException {
-        if (file.equals(lastLoadedFile)) {
-            return lastLoadedBufferedImage;
-        }
+	public static String getThumbnailsDirectoryPath(final File directoryToIndex) {
+		return directoryToIndex.getAbsolutePath() + "/"
+				+ Constants.THUMBNAILS_DIRECTORY_NAME + "/";
+	}
 
-        System.out.println("Loading image: " + file.getPath());
-        lastLoadedBufferedImage = ImageIO.read(file);
-        lastLoadedFile = file;
+	public static boolean isMevizGeneratedIndexFile(final File indexFile)
+			throws FileNotFoundException, IOException {
 
-        if (lastLoadedBufferedImage == null)
-            throw new ImageFormatError("File: " + file + " is not a valid image.");
+		boolean isMevizFile = false;
 
-        return lastLoadedBufferedImage;
-    }
+		final FileReader fileReader = new FileReader(indexFile);
+		final BufferedReader reader = new BufferedReader(fileReader);
 
-    public static String getStringCrcAsHex(final String input) {
+		parseFile: {
+			while (true) {
+				final String line = reader.readLine();
 
-        // create a new CRC-calculating object
-        final CRC32 crc = new CRC32();
+				if (line == null)
+					break parseFile;
 
-        // loop, calculating CRC for each byte of the string
-        // There is no CRC16.update(byte[]) method.
-        for (final byte b : input.getBytes()) {
-            crc.update(b);
-        }
+				if (line.contains(Constants.HTML_MAGIC_STRING)) {
+					isMevizFile = true;
+					break parseFile;
+				}
+			}
+		}
 
-        // note use crc.value, not crc.getValue()
-        final String hex = Integer.toHexString((int) crc.getValue()).toUpperCase();
+		reader.close();
+		fileReader.close();
+		return isMevizFile;
+	}
 
-        // System.out.println("Input string: " + input);
-        // System.out.println("Result: " + hex);
+	private static File lastLoadedFile;
 
-        return hex;
-    }
+	private static BufferedImage lastLoadedBufferedImage;
 
 }