001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2012 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * Sonar is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.plugins.squid.bridges;
021    
022    import org.sonar.api.resources.Resource;
023    import org.sonar.graph.Dsm;
024    import org.sonar.graph.DsmCell;
025    import org.sonar.squid.api.SourceCode;
026    
027    public final class DsmSerializer {
028    
029      private Dsm dsm;
030      private StringBuilder json;
031      private DependencyIndex dependencyIndex;
032      private ResourceIndex resourceIndex;
033    
034      private DsmSerializer(Dsm<SourceCode> dsm, DependencyIndex dependencyIndex, ResourceIndex resourceIndex) {
035        this.dsm = dsm;
036        this.json = new StringBuilder();
037        this.dependencyIndex = dependencyIndex;
038        this.resourceIndex = resourceIndex;
039      }
040    
041      private String serialize() {
042        json.append('[');
043        serializeRows();
044        json.append(']');
045        return json.toString();
046      }
047    
048      private void serializeRows() {
049        for (int y = 0; y < dsm.getDimension(); y++) {
050          if (y > 0) {
051            json.append(',');
052          }
053          serializeRow(y);
054        }
055      }
056    
057      private void serializeRow(int y) {
058        SourceCode squidResource = (SourceCode) dsm.getVertex(y);
059        Resource sonarResource = resourceIndex.get(squidResource);
060    
061        json.append("{");
062        if (sonarResource != null) {
063          json.append("\"i\":");
064          json.append(sonarResource.getId());
065          json.append(",\"n\":\"");
066          json.append(sonarResource.getName());
067          json.append("\",\"q\":\"");
068          json.append(sonarResource.getQualifier());
069          json.append("\",\"v\":[");
070          for (int x = 0; x < dsm.getDimension(); x++) {
071            if (x > 0) {
072              json.append(',');
073            }
074            serializeCell(y, x);
075          }
076          json.append("]");
077        }
078        json.append("}");
079      }
080    
081      private void serializeCell(int y, int x) {
082        DsmCell cell = dsm.getCell(x, y);
083        json.append('{');
084        if (cell.getEdge() != null && cell.getWeight() > 0) {
085          json.append("\"i\":");
086          json.append(dependencyIndex.get(cell.getEdge()).getId());
087          json.append(",\"w\":");
088          json.append(cell.getWeight());
089        }
090        json.append('}');
091      }
092    
093      public static String serialize(Dsm<SourceCode> dsm, DependencyIndex dependencyIndex, ResourceIndex resourceIndex) {
094        return new DsmSerializer(dsm, dependencyIndex, resourceIndex).serialize();
095      }
096    }