View Javadoc

1   package org.apache.maven.shared.tools.easymock;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
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;
29  
30  import org.codehaus.plexus.util.IOUtil;
31  
32  /**
33   * @version $Id$
34   */
35  public final class TestUtils
36  {
37      private TestUtils()
38      {
39          //nop
40      }
41  
42      /**
43       * @param file
44       * @param testStr
45       * @throws IOException if any
46       */
47      public static void writeToFile( File file, String testStr )
48          throws IOException
49      {
50          FileWriter fw = null;
51          try
52          {
53              fw = new FileWriter( file );
54              fw.write( testStr );
55          }
56          finally
57          {
58              IOUtil.close( fw );
59          }
60      }
61  
62      /**
63       * @param file
64       * @return
65       * @throws IOException if any
66       * @todo maybe used {@link IOUtil#toString(java.io.Reader)}
67       */
68      public static String readFile( File file )
69          throws IOException
70      {
71          StringBuffer buffer = new StringBuffer();
72  
73          BufferedReader reader = new BufferedReader( new FileReader( file ) );
74  
75          String line = null;
76  
77          while ( ( line = reader.readLine() ) != null )
78          {
79              if ( buffer.length() > 0 )
80              {
81                  buffer.append( '\n' );
82              }
83  
84              buffer.append( line );
85          }
86  
87          return buffer.toString();
88      }
89  
90      /**
91       * @param error
92       * @return
93       */
94      public static String toString( Throwable error )
95      {
96          StringWriter sw = new StringWriter();
97          PrintWriter pw = new PrintWriter( sw );
98  
99          error.printStackTrace( pw );
100 
101         return sw.toString();
102     }
103 }