/*

  * Licensed to the Apache Software Foundation (ASF) under one or more

  * contributor license agreements.  See the NOTICE file distributed with

  * this work for additional information regarding copyright ownership.

  * The ASF licenses this file to You 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.

  */

 package org.apache.any23.validator;

 import org.w3c.dom.Node;

 import java.util.ArrayList;

 import java.util.Collections;

 import java.util.List;

 /**

  * Default implementation of {@link ValidationReportBuilder}.

  *

  * @author Michele Mostarda (mostarda@fbk.eu)

  * @author Davide Palmisano (palmisano@fbk.eu)

  */

 public class DefaultValidationReportBuilder implements ValidationReportBuilder {

     private List<ValidationReport.Issue> issues;

     private List<ValidationReport.RuleActivation> ruleActivations;

     private List<ValidationReport.Error> errors;

     public DefaultValidationReportBuilder() {}

     public ValidationReport getReport() {

         return new DefaultValidationReport(

                 issues == null ? Collections.<ValidationReport.Issue>emptyList() : issues,

                 ruleActivations == null ? Collections.<ValidationReport.RuleActivation>emptyList() : ruleActivations,

                 errors == null ? Collections.<ValidationReport.Error>emptyList() : errors 

         );

     }

     public void reportIssue(ValidationReport.IssueLevel issueLevel, String message, Node n) {

         if(issues == null) {

             issues = new ArrayList<ValidationReport.Issue>();

         }

         issues.add( new ValidationReport.Issue(issueLevel, message, n) );

     }

     public void reportIssue(ValidationReport.IssueLevel issueLevel, String message) {

         reportIssue(issueLevel, message, null);

     }

     public void traceRuleActivation(Rule r) {

         if(ruleActivations == null) {

             ruleActivations = new ArrayList<ValidationReport.RuleActivation>();

         }

         ruleActivations.add( new ValidationReport.RuleActivation(r) );

     }

     public void reportRuleError(Rule r, Exception e, String msg) {

         if(errors == null) {

             errors = new ArrayList<ValidationReport.Error>();

         }

         errors.add( new ValidationReport.RuleError(r, e, msg) );

     }

     public void reportFixError(Fix f, Exception e, String msg) {

         if(errors == null) {

             errors = new ArrayList<ValidationReport.Error>();

         }

         errors.add( new ValidationReport.FixError(f, e, msg) );

     }

     @Override

     public String toString() {

         final StringBuilder sb = new StringBuilder();

         if(ruleActivations != null) {

             sb.append("Rules {\n");

             for(ValidationReport.RuleActivation ra :ruleActivations) {

                 sb.append(ra).append('\n');

             }

             sb.append("}\n");

         }

         if(issues != null) {

             sb.append("Issues {\n");

             for(ValidationReport.Issue issue : issues) {

                 sb.append( issue.toString() ).append('\n');

             }

             sb.append("}\n");

         }

         if (errors != null) {

             sb.append("Errors {\n");

             for (ValidationReport.Error error : errors) {

                 sb.append( error.toString() ).append('\n');

             }

             sb.append("}\n");

         }

         return sb.toString();

     }

 }