Coverage Report - org.eclipse.swtbot.swt.finder.utils.FileUtils
 
Classes in this File Line Coverage Branch Coverage Complexity
FileUtils
43%
17/39
37%
3/8
3
 
 1  
 /*******************************************************************************
 2  
  * Copyright (c) 2008-2009 SWTBot Committers and others.
 3  
  * All rights reserved. This program and the accompanying materials
 4  
  * are made available under the terms of the Eclipse Public License v1.0
 5  
  * which accompanies this distribution, and is available at
 6  
  * http://www.eclipse.org/legal/epl-v10.html
 7  
  * 
 8  
  * Contributors:
 9  
  *     Ketan Padegaonkar - initial API and implementation
 10  
  *******************************************************************************/
 11  
 package org.eclipse.swtbot.swt.finder.utils;
 12  
 
 13  
 import java.io.BufferedWriter;
 14  
 import java.io.Closeable;
 15  
 import java.io.File;
 16  
 import java.io.FileInputStream;
 17  
 import java.io.FileNotFoundException;
 18  
 import java.io.FileWriter;
 19  
 import java.io.IOException;
 20  
 import java.io.InputStream;
 21  
 import java.io.InputStreamReader;
 22  
 import java.io.Reader;
 23  
 import java.net.URL;
 24  
 import java.nio.charset.Charset;
 25  
 
 26  
 /**
 27  
  * Provides utilities to read and write to files.
 28  
  * 
 29  
  * @author Ketan Padegaonkar <KetanPadegaonkar [at] gmail [dot] com>
 30  
  * @version $Id$
 31  
  */
 32  0
 public class FileUtils {
 33  
 
 34  
         /**
 35  
          * @param filePath the path to the file.
 36  
          * @return the contents of the file in filePath.
 37  
          */
 38  
         public static String read(String filePath) {
 39  1
                 return read(new File(filePath));
 40  
         }
 41  
 
 42  
         /**
 43  
          * @param file the file to read from.
 44  
          * @return the contents of the file.
 45  
          */
 46  
         public static String read(File file) {
 47  
                 try {
 48  1
                         return read(new FileInputStream(file));
 49  0
                 } catch (FileNotFoundException e) {
 50  0
                         throw new RuntimeException(e);
 51  
                 }
 52  
         }
 53  
 
 54  
         /**
 55  
          * @param in the input stream to read from.
 56  
          * @return the contents of the inputstream.
 57  
          */
 58  
         public static String read(InputStream in) {
 59  6
                 return read(new InputStreamReader(in, Charset.forName("UTF-8")));
 60  
         }
 61  
 
 62  
         /**
 63  
          * @param url the URL to read from.
 64  
          * @return the contents of the url.
 65  
          */
 66  
         public static String read(URL url) {
 67  
                 try {
 68  5
                         return read(url.openStream());
 69  0
                 } catch (IOException e) {
 70  0
                         throw new RuntimeException(e);
 71  
                 }
 72  
         }
 73  
 
 74  
         /**
 75  
          * @param in the reader to read from.
 76  
          * @return the contents of the reader.
 77  
          */
 78  
         public static String read(Reader in) {
 79  6
                 StringBuffer buffer = new StringBuffer();
 80  
                 try {
 81  359
                         while (in.ready()) {
 82  347
                                 buffer.append((char) in.read());
 83  
                         }
 84  0
                 } catch (IOException e) {
 85  0
                         throw new RuntimeException(e);
 86  0
                 } finally {
 87  6
                         close(in);
 88  0
                 }
 89  6
                 return buffer.toString();
 90  
         }
 91  
 
 92  
         /**
 93  
          * @param text the contents to write to the file.
 94  
          * @param file the file to write to.
 95  
          */
 96  
         public static void write(String text, File file) {
 97  1
                 BufferedWriter w = null;
 98  
                 try {
 99  
                         try {
 100  1
                                 w = new BufferedWriter(new FileWriter(file));
 101  1
                                 w.append(text);
 102  0
                         } catch (IOException e) {
 103  0
                                 throw new RuntimeException(e);
 104  
                         }
 105  0
                 } finally {
 106  1
                         close(w);
 107  0
                 }
 108  1
         }
 109  
 
 110  
         /**
 111  
          * Creates directory specified by destination, and all its parents if they don't exist.
 112  
          * 
 113  
          * @param destination the directory to create.
 114  
          */
 115  
         public static void mkdirs(String destination) {
 116  0
                 mkdirs(new File(destination));
 117  0
         }
 118  
 
 119  
         /**
 120  
          * Creates directory specified by destination, and all its parents if they don't exist.
 121  
          * 
 122  
          * @param destination the directory to create.
 123  
          */
 124  
         public static void mkdirs(File destination) {
 125  0
                 if (destination.exists()) {
 126  0
                         return;
 127  
                 }
 128  0
                 if (!destination.mkdirs()) {
 129  0
                         throw new RuntimeException("Unable to create directory [" + destination + "].");
 130  
                 }
 131  0
         }
 132  
 
 133  
         private static void close(Closeable c) {
 134  7
                 if (c != null) {
 135  
                         try {
 136  7
                                 c.close();
 137  0
                         } catch (IOException e) {
 138  0
                                 throw new RuntimeException(e);
 139  
                         }
 140  
                 }
 141  7
         }
 142  
 
 143  
 }