1 package org.apache.maven.plugin.assembly.testutils;
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22 import java.io.BufferedReader;
23 import java.io.File;
24 import java.io.FileReader;
25 import java.io.FileWriter;
26 import java.io.IOException;
27 import java.io.PrintWriter;
28 import java.io.StringWriter;
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30 import org.codehaus.plexus.util.IOUtil;
31
32 public final class TestUtils
33 {
34
35 private TestUtils()
36 {
37 }
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42 public static void writeToFile( File file, String testStr )
43 throws IOException
44 {
45 FileWriter fw = null;
46 try
47 {
48 fw = new FileWriter( file );
49 fw.write( testStr );
50 }
51 finally
52 {
53 IOUtil.close( fw );
54 }
55 }
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60 public static String readFile( File file ) throws IOException
61 {
62 StringBuilder buffer = new StringBuilder();
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64 BufferedReader reader = new BufferedReader( new FileReader( file ) );
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66 String line = null;
67
68 while( ( line = reader.readLine() ) != null )
69 {
70 if ( buffer.length() > 0 )
71 {
72 buffer.append( '\n' );
73 }
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75 buffer.append( line );
76 }
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78 return buffer.toString();
79 }
80
81 public static String toString( Throwable error )
82 {
83 StringWriter sw = new StringWriter();
84 PrintWriter pw = new PrintWriter( sw );
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86 error.printStackTrace( pw );
87
88 return sw.toString();
89 }
90 }