Coverage Report - com.jcabi.xml.FileSources
 
Classes in this File Line Coverage Branch Coverage Complexity
FileSources
55%
10/18
5%
1/18
2.75
 
 1  
 /**
 2  
  * Copyright (c) 2012-2017, jcabi.com
 3  
  * All rights reserved.
 4  
  *
 5  
  * Redistribution and use in source and binary forms, with or without
 6  
  * modification, are permitted provided that the following conditions
 7  
  * are met: 1) Redistributions of source code must retain the above
 8  
  * copyright notice, this list of conditions and the following
 9  
  * disclaimer. 2) Redistributions in binary form must reproduce the above
 10  
  * copyright notice, this list of conditions and the following
 11  
  * disclaimer in the documentation and/or other materials provided
 12  
  * with the distribution. 3) Neither the name of the jcabi.com nor
 13  
  * the names of its contributors may be used to endorse or promote
 14  
  * products derived from this software without specific prior written
 15  
  * permission.
 16  
  *
 17  
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 18  
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
 19  
  * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 20  
  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 21  
  * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 22  
  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 23  
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 24  
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 25  
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 26  
  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 27  
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 28  
  * OF THE POSSIBILITY OF SUCH DAMAGE.
 29  
  */
 30  
 package com.jcabi.xml;
 31  
 
 32  
 import java.io.File;
 33  
 import java.io.FileInputStream;
 34  
 import java.io.FileNotFoundException;
 35  
 import javax.xml.transform.Source;
 36  
 import javax.xml.transform.TransformerException;
 37  
 import javax.xml.transform.stream.StreamSource;
 38  
 import lombok.EqualsAndHashCode;
 39  
 
 40  
 /**
 41  
  * Sources in file system.
 42  
  *
 43  
  * If you have some resources in files, just configure your
 44  
  * XSL with this "sources":
 45  
  *
 46  
  * <pre> XSL xsl = new XSLDocument(input).with(
 47  
  *   new FileSources("/tmp/my-resources")
 48  
  * );</pre>
 49  
  *
 50  
  * @author Yegor Bugayenko (yegor@teamed.io)
 51  
  * @version $Id: 9308f9d92a05c85d5872e568f8d57e2b7af12688 $
 52  
  * @since 0.18
 53  
  */
 54  0
 @EqualsAndHashCode(of = "path")
 55  
 public final class FileSources implements Sources {
 56  
 
 57  
     /**
 58  
      * Directory.
 59  
      */
 60  
     private final transient File path;
 61  
 
 62  
     /**
 63  
      * Public ctor.
 64  
      */
 65  
     public FileSources() {
 66  1
         this("");
 67  1
     }
 68  
 
 69  
     /**
 70  
      * Public ctor.
 71  
      * @param dir Directory
 72  
      */
 73  
     public FileSources(final String dir) {
 74  1
         this(new File(dir));
 75  1
     }
 76  
 
 77  
     /**
 78  
      * Public ctor.
 79  
      * @param dir Directory
 80  
      */
 81  1
     public FileSources(final File dir) {
 82  1
         this.path = dir;
 83  1
     }
 84  
 
 85  
     @Override
 86  
     public Source resolve(final String href, final String base)
 87  
         throws TransformerException {
 88  1
         File file = new File(this.path, href);
 89  1
         if (!file.exists()) {
 90  0
             if (base == null) {
 91  0
                 file = new File(href);
 92  
             } else {
 93  0
                 file = new File(new File(base), href);
 94  
             }
 95  0
             if (!file.exists()) {
 96  0
                 throw new TransformerException(
 97  
                     String.format(
 98  
                         "file \"%s\" not found in \"%s\" and in base \"%s\"",
 99  
                         href, this.path, base
 100  
                     )
 101  
                 );
 102  
             }
 103  
         }
 104  
         try {
 105  1
             return new StreamSource(new FileInputStream(file));
 106  0
         } catch (final FileNotFoundException ex) {
 107  0
             throw new TransformerException(ex);
 108  
         }
 109  
     }
 110  
 }