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.pmd;
021    
022    import java.io.IOException;
023    import java.io.StringWriter;
024    import java.io.Writer;
025    import java.util.ArrayList;
026    import java.util.List;
027    
028    import org.jdom.CDATA;
029    import org.jdom.Document;
030    import org.jdom.Element;
031    import org.jdom.output.Format;
032    import org.jdom.output.XMLOutputter;
033    import org.sonar.api.profiles.ProfileExporter;
034    import org.sonar.api.profiles.RulesProfile;
035    import org.sonar.api.resources.Java;
036    import org.sonar.api.rules.ActiveRule;
037    import org.sonar.api.rules.ActiveRuleParam;
038    import org.sonar.api.utils.SonarException;
039    import org.sonar.plugins.pmd.xml.PmdProperty;
040    import org.sonar.plugins.pmd.xml.PmdRule;
041    import org.sonar.plugins.pmd.xml.PmdRuleset;
042    
043    public class PmdProfileExporter extends ProfileExporter {
044    
045      public PmdProfileExporter() {
046        super(PmdConstants.REPOSITORY_KEY, PmdConstants.PLUGIN_NAME);
047        setSupportedLanguages(Java.KEY);
048        setMimeType("application/xml");
049      }
050    
051      @Override
052      public void exportProfile(RulesProfile profile, Writer writer) {
053        try {
054          PmdRuleset tree = createPmdRuleset(profile.getActiveRulesByRepository(PmdConstants.REPOSITORY_KEY), profile.getName());
055          String xmlModules = exportPmdRulesetToXml(tree);
056          writer.append(xmlModules);
057        } catch (IOException e) {
058          throw new SonarException("Fail to export the profile " + profile, e);
059        }
060      }
061    
062      protected PmdRuleset createPmdRuleset(List<ActiveRule> activeRules, String profileName) {
063        PmdRuleset ruleset = new PmdRuleset(profileName);
064        for (ActiveRule activeRule : activeRules) {
065          if (activeRule.getRule().getRepositoryKey().equals(PmdConstants.REPOSITORY_KEY)) {
066            String configKey = activeRule.getRule().getConfigKey();
067            PmdRule rule = new PmdRule(configKey, PmdLevelUtils.toLevel(activeRule.getSeverity()));
068            if (activeRule.getActiveRuleParams() != null && !activeRule.getActiveRuleParams().isEmpty()) {
069              List<PmdProperty> properties = new ArrayList<PmdProperty>();
070              for (ActiveRuleParam activeRuleParam : activeRule.getActiveRuleParams()) {
071                properties.add(new PmdProperty(activeRuleParam.getRuleParam().getKey(), activeRuleParam.getValue()));
072              }
073              rule.setProperties(properties);
074            }
075            ruleset.addRule(rule);
076            processXPathRule(activeRule.getRuleKey(), rule);
077          }
078        }
079        return ruleset;
080      }
081    
082      protected void processXPathRule(String sonarRuleKey, PmdRule rule) {
083        if (PmdConstants.XPATH_CLASS.equals(rule.getRef())) {
084          rule.setRef(null);
085          PmdProperty xpathMessage = rule.getProperty(PmdConstants.XPATH_MESSAGE_PARAM);
086          if (xpathMessage == null) {
087            throw new SonarException("Property '" + PmdConstants.XPATH_MESSAGE_PARAM + "' should be set for PMD rule " + sonarRuleKey);
088          }
089          rule.setMessage(xpathMessage.getValue());
090          rule.removeProperty(PmdConstants.XPATH_MESSAGE_PARAM);
091          PmdProperty xpathExp = rule.getProperty(PmdConstants.XPATH_EXPRESSION_PARAM);
092          if (xpathExp == null) {
093            throw new SonarException("Property '" + PmdConstants.XPATH_EXPRESSION_PARAM + "' should be set for PMD rule " + sonarRuleKey);
094          }
095          xpathExp.setCdataValue(xpathExp.getValue());
096          rule.setClazz(PmdConstants.XPATH_CLASS);
097          rule.setName(sonarRuleKey);
098        }
099      }
100    
101      protected String exportPmdRulesetToXml(PmdRuleset pmdRuleset) {
102        Element eltRuleset = new Element("ruleset");
103        for (PmdRule pmdRule : pmdRuleset.getPmdRules()) {
104          Element eltRule = new Element("rule");
105          addAttribute(eltRule, "ref", pmdRule.getRef());
106          addAttribute(eltRule, "class", pmdRule.getClazz());
107          addAttribute(eltRule, "message", pmdRule.getMessage());
108          addAttribute(eltRule, "name", pmdRule.getName());
109          addChild(eltRule, "priority", pmdRule.getPriority());
110          if (pmdRule.hasProperties()) {
111            Element eltProperties = new Element("properties");
112            eltRule.addContent(eltProperties);
113            for (PmdProperty prop : pmdRule.getProperties()) {
114              Element eltProperty = new Element("property");
115              eltProperty.setAttribute("name", prop.getName());
116              if (prop.isCdataValue()) {
117                Element eltValue = new Element("value");
118                eltValue.addContent(new CDATA(prop.getCdataValue()));
119                eltProperty.addContent(eltValue);
120              } else {
121                eltProperty.setAttribute("value", prop.getValue());
122              }
123              eltProperties.addContent(eltProperty);
124            }
125          }
126          eltRuleset.addContent(eltRule);
127        }
128        XMLOutputter serializer = new XMLOutputter(Format.getPrettyFormat());
129        StringWriter xml = new StringWriter();
130        try {
131          serializer.output(new Document(eltRuleset), xml);
132        } catch (IOException e) {
133          throw new SonarException("A exception occured while generating the PMD configuration file.", e);
134        }
135        return xml.toString();
136      }
137    
138      private void addChild(Element elt, String name, String text) {
139        if (text != null) {
140          elt.addContent(new Element(name).setText(text));
141        }
142      }
143    
144      private void addAttribute(Element elt, String name, String value) {
145        if (value != null) {
146          elt.setAttribute(name, value);
147        }
148      }
149    }