package org.apache.maven.plugins.surefire.report;

 /*

  * Copyright 2001-2005 The Apache Software Foundation.

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *      http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 import org.apache.maven.reporting.MavenReportException;

 import org.codehaus.plexus.util.DirectoryScanner;

 import org.codehaus.plexus.util.StringUtils;

 import org.xml.sax.SAXException;

 import javax.xml.parsers.ParserConfigurationException;

 import java.io.File;

 import java.io.IOException;

 import java.text.NumberFormat;

 import java.util.ArrayList;

 import java.util.HashMap;

 import java.util.List;

 import java.util.ListIterator;

 import java.util.Locale;

 import java.util.Map;

 public class SurefireReportParser

 {

     private NumberFormat numberFormat = NumberFormat.getInstance();

     private File reportsDirectory;

     private List testSuites = new ArrayList();

     private Locale locale;

     private static final int PCENT = 100;

     public SurefireReportParser()

     {

     }

     public SurefireReportParser( File reportsDirectory, Locale locale )

     {

         this.reportsDirectory = reportsDirectory;

         setLocale( locale );

     }

     public List parseXMLReportFiles()

         throws MavenReportException

     {

         if ( reportsDirectory.exists() )

         {

             String[] xmlReportFiles = getIncludedFiles( reportsDirectory, "*.xml", "*.txt" );

             for ( int index = 0; index < xmlReportFiles.length; index++ )

             {

                 ReportTestSuite testSuite = new ReportTestSuite();

                 String currentReport = xmlReportFiles[index];

                 try

                 {

                     testSuite.parse( reportsDirectory + "/" + currentReport );

                 }

                 catch ( ParserConfigurationException e )

                 {

                     throw new MavenReportException( "Error setting up parser for JUnit XML report", e );

                 }

                 catch ( SAXException e )

                 {

                     throw new MavenReportException( "Error parsing JUnit XML report " + currentReport, e );

                 }

                 catch ( IOException e )

                 {

                     throw new MavenReportException( "Error reading JUnit XML report " + currentReport, e );

                 }

                 testSuites.add( testSuite );

             }

         }

         return testSuites;

     }

     protected String parseTestSuiteName( String lineString )

     {

         return lineString.substring( lineString.lastIndexOf( "." ) + 1, lineString.length() );

     }

     protected String parseTestSuitePackageName( String lineString )

     {

         return lineString.substring( lineString.indexOf( ":" ) + 2, lineString.lastIndexOf( "." ) );

     }

     protected String parseTestCaseName( String lineString )

     {

         return lineString.substring( 0, lineString.indexOf( "(" ) );

     }

     public Map getSummary( List suites )

     {

         Map totalSummary = new HashMap();

         ListIterator iter = suites.listIterator();

         int totalNumberOfTests = 0;

         int totalNumberOfErrors = 0;

         int totalNumberOfFailures = 0;

         int totalNumberOfSkipped = 0;

         float totalElapsedTime = 0.0f;

         while ( iter.hasNext() )

         {

             ReportTestSuite suite = (ReportTestSuite) iter.next();

             totalNumberOfTests += suite.getNumberOfTests();

             totalNumberOfErrors += suite.getNumberOfErrors();

             totalNumberOfFailures += suite.getNumberOfFailures();

             totalNumberOfSkipped += suite.getNumberOfSkipped();

             totalElapsedTime += suite.getTimeElapsed();

         }

         String totalPercentage = computePercentage( totalNumberOfTests, totalNumberOfErrors, totalNumberOfFailures,

                                                     totalNumberOfSkipped );

         totalSummary.put( "totalTests", Integer.toString( totalNumberOfTests ) );

         totalSummary.put( "totalErrors", Integer.toString( totalNumberOfErrors ) );

         totalSummary.put( "totalFailures", Integer.toString( totalNumberOfFailures ) );

         totalSummary.put( "totalSkipped", Integer.toString( totalNumberOfSkipped ) );

         totalSummary.put( "totalElapsedTime", numberFormat.format( totalElapsedTime ) );

         totalSummary.put( "totalPercentage", totalPercentage );

         return totalSummary;

     }

     public void setReportsDirectory( File reportsDirectory )

     {

         this.reportsDirectory = reportsDirectory;

     }

     public File getReportsDirectory()

     {

         return this.reportsDirectory;

     }

     public final void setLocale( Locale locale )

     {

         this.locale = locale;

         numberFormat = NumberFormat.getInstance( locale );

     }

     public Locale getLocale()

     {

         return this.locale;

     }

     public void setNumberFormat( NumberFormat numberFormat )

     {

         this.numberFormat = numberFormat;

     }

     public NumberFormat getNumberFormat()

     {

         return this.numberFormat;

     }

     public Map getSuitesGroupByPackage( List testSuitesList )

     {

         ListIterator iter = testSuitesList.listIterator();

         Map suitePackage = new HashMap();

         while ( iter.hasNext() )

         {

             ReportTestSuite suite = (ReportTestSuite) iter.next();

             List suiteList = new ArrayList();

             if ( suitePackage.get( suite.getPackageName() ) != null )

             {

                 suiteList = (List) suitePackage.get( suite.getPackageName() );

             }

             suiteList.add( suite );

             suitePackage.put( suite.getPackageName(), suiteList );

         }

         return suitePackage;

     }

     public String computePercentage( int tests, int errors, int failures, int skipped )

     {

         float percentage;

         if ( tests == 0 )

         {

             percentage = 0;

         }

         else

         {

             percentage = ( (float) ( tests - errors - failures - skipped ) / (float) tests ) * PCENT;

         }

         return numberFormat.format( percentage );

     }

     public List getFailureDetails( List testSuitesList )

     {

         ListIterator iter = testSuitesList.listIterator();

         List failureDetailList = new ArrayList();

         while ( iter.hasNext() )

         {

             ReportTestSuite suite = (ReportTestSuite) iter.next();

             List testCaseList = suite.getTestCases();

             if ( testCaseList != null )

             {

                 ListIterator caseIter = testCaseList.listIterator();

                 while ( caseIter.hasNext() )

                 {

                     ReportTestCase tCase = (ReportTestCase) caseIter.next();

                     if ( tCase.getFailure() != null )

                     {

                         failureDetailList.add( tCase );

                     }

                 }

             }

         }

         return failureDetailList;

     }

     private String[] getIncludedFiles( File directory, String includes, String excludes )

     {

         DirectoryScanner scanner = new DirectoryScanner();

         scanner.setBasedir( directory );

         scanner.setIncludes( StringUtils.split( includes, "," ) );

         scanner.setExcludes( StringUtils.split( excludes, "," ) );

         scanner.scan();

         return scanner.getIncludedFiles();

     }

 }