Coverage Report - org.apache.maven.plugin.changes.schema.DefaultChangesSchemaValidator
 
Classes in this File Line Coverage Branch Coverage Complexity
DefaultChangesSchemaValidator
66%
22/33
50%
2/4
4.5
 
 1  
 package org.apache.maven.plugin.changes.schema;
 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.File;
 23  
 import java.io.IOException;
 24  
 import java.io.InputStream;
 25  
 import java.io.Reader;
 26  
 import java.util.Map;
 27  
 
 28  
 import javax.xml.transform.stream.StreamSource;
 29  
 import javax.xml.validation.Schema;
 30  
 import javax.xml.validation.SchemaFactory;
 31  
 import javax.xml.validation.Validator;
 32  
 
 33  
 import org.codehaus.plexus.util.FastMap;
 34  
 import org.codehaus.plexus.util.IOUtil;
 35  
 import org.codehaus.plexus.util.xml.XmlStreamReader;
 36  
 import org.xml.sax.SAXException;
 37  
 
 38  
 /**
 39  
  *
 40  
  * @author <a href="mailto:olamy@apache.org">olamy</a>
 41  
  * @since 28 juil. 2008
 42  
  * @version $Id: DefaultChangesSchemaValidator.java 1052816 2010-12-25 23:04:31Z hboutemy $
 43  
  *
 44  
  * @plexus.component role="org.apache.maven.plugin.changes.schema.ChangesSchemaValidator" role-hint="default"
 45  
  */
 46  3
 public class DefaultChangesSchemaValidator
 47  
     implements ChangesSchemaValidator
 48  
 {
 49  
 
 50  
     /** property schema */
 51  
     public static final String W3C_XML_SCHEMA = "http://www.w3.org/2001/XMLSchema";
 52  
 
 53  
     public static final String CHANGES_SCHEMA_PATH = "META-INF/changes/xsd/";
 54  
 
 55  3
     private Map compiledSchemas = new FastMap();
 56  
 
 57  
     public XmlValidationHandler validateXmlWithSchema( File file, String schemaVersion, boolean failOnValidationError )
 58  
         throws SchemaValidatorException
 59  
     {
 60  3
         Reader reader = null;
 61  
         try
 62  
         {
 63  3
             String schemaPath = CHANGES_SCHEMA_PATH + "changes-" + schemaVersion + ".xsd";
 64  
 
 65  3
             Schema schema = getSchema( schemaPath );
 66  
 
 67  3
             Validator validator = schema.newValidator();
 68  
 
 69  3
             XmlValidationHandler baseHandler = new XmlValidationHandler( failOnValidationError );
 70  
 
 71  3
             validator.setErrorHandler( baseHandler );
 72  
 
 73  3
             reader = new XmlStreamReader( file );
 74  
 
 75  3
             validator.validate( new StreamSource( reader ) );
 76  
 
 77  2
             return baseHandler;
 78  
         }
 79  0
         catch ( IOException e )
 80  
         {
 81  0
             throw new SchemaValidatorException( "IOException : " + e.getMessage(), e );
 82  
         }
 83  1
         catch ( SAXException e )
 84  
         {
 85  1
             throw new SchemaValidatorException( "SAXException : " + e.getMessage(), e );
 86  
         }
 87  0
         catch ( Exception e )
 88  
         {
 89  0
             throw new SchemaValidatorException( "Exception : " + e.getMessage(), e );
 90  
         }
 91  
         finally
 92  
         {
 93  3
             IOUtil.close( reader );
 94  
         }
 95  
     }
 96  
 
 97  
     public Schema getSchema( String schemaPath )
 98  
         throws SAXException
 99  
     {
 100  3
         if ( this.compiledSchemas.containsKey( schemaPath ) )
 101  
         {
 102  0
             return (Schema) this.compiledSchemas.get( schemaPath );
 103  
         }
 104  3
         Schema schema = this.compileJAXPSchema( schemaPath );
 105  
 
 106  3
         this.compiledSchemas.put( schemaPath, schema );
 107  
 
 108  3
         return schema;
 109  
     }
 110  
 
 111  
     /**
 112  
      * @param uriSchema
 113  
      * @return Schema
 114  
      * @throws Exception
 115  
      */
 116  
     private Schema compileJAXPSchema( String uriSchema )
 117  
         throws SAXException, NullPointerException
 118  
     {
 119  
 
 120  3
         InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream( uriSchema );
 121  
 
 122  3
         if ( is == null )
 123  
         {
 124  0
             throw new NullPointerException( " impossible to load schema with path " + uriSchema );
 125  
         }
 126  
 
 127  
         try
 128  
         {
 129  
             //newInstance de SchemaFactory not ThreadSafe
 130  3
             return SchemaFactory.newInstance( W3C_XML_SCHEMA ).newSchema( new StreamSource( is ) );
 131  
         }
 132  
         finally
 133  
         {
 134  3
             IOUtil.close( is );
 135  
         }
 136  
     }
 137  
 
 138  
     /**
 139  
      * @see com.accor.commons.xmlschemas.SchemaValidator#loadSchema(java.lang.String)
 140  
      */
 141  
     public void loadSchema( String uriSchema )
 142  
         throws SchemaValidatorException
 143  
     {
 144  
         try
 145  
         {
 146  0
             this.getSchema( uriSchema );
 147  
         }
 148  0
         catch ( SAXException e )
 149  
         {
 150  0
             throw new SchemaValidatorException( "SAXException : " + e.getMessage(), e );
 151  0
         }
 152  
 
 153  0
     }
 154  
 }