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  * your version of this file under either the CDDL, the GPL Version 2 or

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  * Contributor(s): Ilia Gromov

  */

 package com.sun.tools.ide.analysis.modernize.impl;

 import java.util.ArrayList;

 import java.util.List;

 import java.util.Optional;

 import org.netbeans.modules.cnd.api.model.syntaxerr.CsmErrorInfo;

 import org.netbeans.modules.cnd.api.model.syntaxerr.CsmErrorProvider;

 /**

  *

  * @author Ilia Gromov

  */

 public class ResponseMerger implements CsmErrorProvider.Response {

     private final List<ModernizeErrorInfo> bag = new ArrayList<>();

     private final CsmErrorProvider.Response delegate;

     public ResponseMerger(CsmErrorProvider.Response delegate) {

         this.delegate = delegate;

     }

     @Override

     public void addError(CsmErrorInfo errorInfo) {

         ModernizeErrorInfo o2 = (ModernizeErrorInfo) errorInfo;

         Optional<ModernizeErrorInfo> found = bag.stream()

                 .filter(o1 -> isSame(o1, o2))

                 .findAny();

         if (found.isPresent()) {

             found.get().addMessageInfixes(o2.getMessageInfixes());

         } else {

             bag.add(o2);

         }

     }

     @Override

     public void done() {

         bag.forEach(delegate::addError);

         delegate.done();

         bag.clear();

     }

     public boolean isSame(ModernizeErrorInfo o1, ModernizeErrorInfo o2) {

         return o1.getStartOffset() == o2.getStartOffset()

                 && o1.getEndOffset() == o2.getEndOffset()

                 && o1.getDiagnostics().getCheckName().equals(o2.getDiagnostics().getCheckName());

     }

 }