/*

  * Copyright 2012 smartics, Kronseder & Reiner GmbH

  *

  * Licensed 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 de.smartics.ci.config.maven;

 import de.smartics.ci.config.hudson.ScmType;

 import de.smartics.util.lang.Arguments;

 import de.smartics.util.lang.BlankArgumentException;

 /**

  * Provides access to information of a Maven POM.

  */

 public final class MavenPom

 {

   // ********************************* Fields *********************************

   // --- constants ------------------------------------------------------------

   // --- members --------------------------------------------------------------

   /**

    * The project's group identifier.

    */

   private String groupId;

   /**

    * The project's artifact identifier.

    */

   private String artifactId;

   /**

    * The project's description.

    */

   private String description;

   /**

    * The type of the SCM.

    */

   private ScmType scmType;

   /**

    * The URL to the SCM server of the given {@link #getScmType() type}.

    */

   private String scmUrl;

   // ****************************** Initializer *******************************

   // ****************************** Constructors ******************************

   /**

    * Default constructor.

    */

   public MavenPom()

   {

   }

   // ****************************** Inner Classes *****************************

   // ********************************* Methods ********************************

   // --- init -----------------------------------------------------------------

   // --- get&set --------------------------------------------------------------

   /**

    * Returns the project's group identifier.

    *

    * @return the project's group identifier.

    */

   public String getGroupId()

   {

     return groupId;

   }

   /**

    * Sets the project's group identifier.

    *

    * @param groupId the project's group identifier.

    */

   public void setGroupId(final String groupId)

   {

     this.groupId = groupId;

   }

   /**

    * Returns the project's artifact identifier.

    *

    * @return the project's artifact identifier.

    */

   public String getArtifactId()

   {

     return artifactId;

   }

   /**

    * Sets the project's artifact identifier.

    *

    * @param artifactId the project's artifact identifier.

    */

   public void setArtifactId(final String artifactId)

   {

     this.artifactId = artifactId;

   }

   /**

    * Returns the project's description.

    *

    * @return the project's description.

    */

   public String getDescription()

   {

     return description;

   }

   /**

    * Sets the project's description.

    *

    * @param description the project's description.

    */

   public void setDescription(final String description)

   {

     this.description = description;

   }

   /**

    * Returns the type of the SCM.

    *

    * @return the type of the SCM.

    */

   public ScmType getScmType()

   {

     return scmType;

   }

   /**

    * Returns the URL to the SCM server of the given {@link #getScmType() type}.

    *

    * @return the URL to the SCM server of the given {@link #getScmType() type}.

    */

   public String getScmUrl()

   {

     return scmUrl;

   }

   /**

    * Checks if SCM information is provided.

    *

    * @return <code>true</code> if SCM info is provided, <code>false</code> if

    *         not.

    */

   public boolean isScmInfoProvided()

   {

     return scmType != null; // && scmUrl != null;

   }

   /**

    * Sets the SCM information to the Maven POM.

    *

    * @param connectionString the connection string of format

    *          <code>scm:SCM_TYPE:SCM_URL</code>.

    * @throws BlankArgumentException if {@code connectionString} is

    *           <code>null</code>.

    * @throws IllegalArgumentException if the {@code connectionString} does not

    *           meet the expected format <code>scm:SCM_TYPE:SCM_URL</code>.

    */

   public void setScmConnectionString(final String connectionString)

     throws BlankArgumentException, IllegalArgumentException

   {

     Arguments.checkNotBlank("connectionString", connectionString);

     if (!connectionString.startsWith("scm:"))

     {

       throw new IllegalArgumentException(

           "SCM connection string does not start with 'scm:': "

               + connectionString);

     }

     final int endOfScmTypeString = connectionString.indexOf(':', 4);

     if (endOfScmTypeString == -1)

     {

       throw new IllegalArgumentException(

           "Cannot find SCM type"

               + " (expected between first and second ':') in connection string: "

               + connectionString);

     }

     final String scmTypeString =

         connectionString.substring(4, endOfScmTypeString);

     if ("http".equals(scmTypeString) || "https".equals(scmTypeString))

     {

       throw new IllegalArgumentException(

           "Cannot find valid SCM type"

               + " (expected between first and second ':') in connection string: "

               + connectionString);

     }

     final int startOfScmUrl = endOfScmTypeString + 1;

     if (connectionString.length() <= startOfScmUrl)

     {

       throw new IllegalArgumentException(

           "SCM connection string does not provide an URL: " + connectionString);

     }

     scmType = ScmType.getValueFor(scmTypeString);

     scmUrl = connectionString.substring(endOfScmTypeString + 1);

   }

   // --- business -------------------------------------------------------------

   // --- object basics --------------------------------------------------------

 }