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package com.sun.enterprise.tools.verifier;

import java.lang.reflect.Method;
import java.lang.reflect.InvocationTargetException;
import com.sun.enterprise.util.LocalStringManagerImpl;
import java.util.logging.*;
import com.sun.logging.*;

/**
 * Results of a Verifier Invocation from Backend
 * @author
 */
public  class VerifierResultsImpl implements VerifierResults {

  static Logger _logger=LogDomains.getLogger(LogDomains.APPVERIFY_LOGGER);

  private static LocalStringManagerImpl localStrings =
        new LocalStringManagerImpl(VerifierResultsImpl.class);

  private static Class resultsReportClass=null;
  private static Method failedCountMethod=null;
  private static Method errorCountMethod=null;
  private static Method warningCountMethod=null;

  private Object resultObj;

  public VerifierResultsImpl(Object result) {
     resultObj = result;
  }

 /** return number of  failures in verification */
 public int getFailedCount() {

    init();
    if ((failedCountMethod == null) || (resultObj == null)) {
       return -1;
    }
    String name = resultsReportClass.getName();

    try {
        Object result = failedCountMethod.invoke(resultObj, (Object[])null);
        return ((Integer)result).intValue();
     } catch (IllegalAccessException e) {
        _logger.log(Level.SEVERE,"verification.class.access.error", new Object[] {name});
     } catch (InvocationTargetException e) {
        _logger.log(Level.SEVERE,"verification.method.error", new Object[] {"verifyEar",
                                e.getMessage()});
     }
  
  return -1;
 }

 /** return number of  warnings in verification */
 public int getWarningCount() {
    init();
    if ((warningCountMethod == null) || (resultObj == null)) {
       return -1;
    }
    String name = resultsReportClass.getName();

    try {
        Object result = warningCountMethod.invoke(resultObj, (Object[])null);
        return ((Integer)result).intValue();
     } catch (IllegalAccessException e) {
        _logger.log(Level.SEVERE,"verification.class.access.error", new Object[] {name});
     } catch (InvocationTargetException e) {
        _logger.log(Level.SEVERE,"verification.method.error", new Object[] {"verifyEar",
                                e.getMessage()});
     }
  
  return -1;
 }

 /** return number of  errors in verification */
 public int getErrorCount() {
    init();
    if ((errorCountMethod == null) || (resultObj == null)) {
       return -1;
    }

    String name = resultsReportClass.getName();

    try {
        Object result = errorCountMethod.invoke(resultObj, (Object[])null);
        return ((Integer)result).intValue();
     } catch (IllegalAccessException e) {
        _logger.log(Level.SEVERE,"verification.class.access.error", new Object[] {name});
     } catch (InvocationTargetException e) {
        _logger.log(Level.SEVERE,"verification.method.error", new Object[] {"verifyEar",
                                e.getMessage()});
     }
  
  return -1;
 }

 private void init() {

    if (resultsReportClass != null) {
           return;
    }
    String name = null;
    try {
         name = System.getProperty("j2ee.verifier.ResultsReport",
         "com.sun.enterprise.tools.verifier.ResultsReport");
         resultsReportClass = Class.forName(name);
         warningCountMethod = resultsReportClass.getDeclaredMethod("getWarningCount", (Class[])null);
         failedCountMethod = resultsReportClass.getDeclaredMethod("getFailedCount", (Class[])null);
         errorCountMethod = resultsReportClass.getDeclaredMethod("getErrorCount", (Class[])null);

     } catch (ClassNotFoundException e) {
        _logger.log(Level.SEVERE,"verification.class.notfound", new Object[] {name});
     }
    catch (NoSuchMethodException e) {
      _logger.log(Level.SEVERE,"verification.method.notfound", new Object[] {e.getMessage() , name});
     }
 }

}