// =================== DO NOT EDIT THIS FILE ====================
   //  Generated by Modello Velocity from model.vm
   //  template, any modifications will be overwritten.
   // ==============================================================
   package org.apache.maven.api.model;
   
   import java.io.Serializable;
   import java.util.ArrayList;
   import java.util.Collection;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  import org.apache.maven.api.annotations.Experimental;
  import org.apache.maven.api.annotations.Generated;
  import org.apache.maven.api.annotations.Immutable;
  import org.apache.maven.api.annotations.Nonnull;
  import org.apache.maven.api.annotations.NotThreadSafe;
  import org.apache.maven.api.annotations.ThreadSafe;
  import org.apache.maven.api.xml.XmlNode;
  
  /**
   * The {@code <plugin>} element contains information required for a plugin.
   */
  @Experimental
  @Generated @ThreadSafe @Immutable
  public class Plugin
      extends ConfigurationContainer
      implements Serializable, InputLocationTracker
  {
      /**
       * The group ID of the plugin in the repository.
       */
      final String groupId;
      /**
       * The artifact ID of the plugin in the repository.
       */
      final String artifactId;
      /**
       * The version (or valid range of versions) of the plugin to be used.
       */
      final String version;
      /**
       * Whether to load Maven extensions (such as packaging and type handlers) from
       * this plugin. For performance reasons, this should only be enabled when necessary. Note: While the type
       * of this field is {@code String} for technical reasons, the semantic type is actually
       * {@code Boolean}. Default value is {@code false}.
       */
      final String extensions;
      /**
       * Multiple specifications of a set of goals to execute during the build
       * lifecycle, each having (possibly) a different configuration.
       */
      final List<PluginExecution> executions;
      /**
       * Additional dependencies that this project needs to introduce to the plugin's
       * classloader.
       */
      final List<Dependency> dependencies;
      /** Locations (this potentially hides the same name field from the super class) */
      final Map<Object, InputLocation> locations;
  
      /**
        * Constructor for this class, to be called from its subclasses and {@link Builder}.
        * @see Builder#build()
        */
      protected Plugin(Builder builder) {
          super(builder);
          this.groupId = builder.groupId != null ? builder.groupId : (builder.base != null ? builder.base.groupId : null);
          this.artifactId = builder.artifactId != null ? builder.artifactId : (builder.base != null ? builder.base.artifactId : null);
          this.version = builder.version != null ? builder.version : (builder.base != null ? builder.base.version : null);
          this.extensions = builder.extensions != null ? builder.extensions : (builder.base != null ? builder.base.extensions : null);
          this.executions = ImmutableCollections.copy(builder.executions != null ? builder.executions : (builder.base != null ? builder.base.executions : null));
          this.dependencies = ImmutableCollections.copy(builder.dependencies != null ? builder.dependencies : (builder.base != null ? builder.base.dependencies : null));
          Map<Object, InputLocation> newlocs = builder.locations != null ? builder.locations : Collections.emptyMap();
          Map<Object, InputLocation> oldlocs = builder.base != null && builder.base.locations != null ? builder.base.locations : Collections.emptyMap();
          Map<Object, InputLocation> mutableLocations = new HashMap<>(super.locations);
          mutableLocations.put("groupId", newlocs.containsKey("groupId") ? newlocs.get("groupId") : oldlocs.get("groupId"));
          mutableLocations.put("artifactId", newlocs.containsKey("artifactId") ? newlocs.get("artifactId") : oldlocs.get("artifactId"));
          mutableLocations.put("version", newlocs.containsKey("version") ? newlocs.get("version") : oldlocs.get("version"));
          mutableLocations.put("extensions", newlocs.containsKey("extensions") ? newlocs.get("extensions") : oldlocs.get("extensions"));
          mutableLocations.put("executions", newlocs.containsKey("executions") ? newlocs.get("executions") : oldlocs.get("executions"));
          mutableLocations.put("dependencies", newlocs.containsKey("dependencies") ? newlocs.get("dependencies") : oldlocs.get("dependencies"));
          this.locations = Collections.unmodifiableMap(mutableLocations);
      }
  
      /**
       * The group ID of the plugin in the repository.
       *
       * @return a {@code String}
       */
      public String getGroupId() {
          return this.groupId;
      }
  
      /**
       * The artifact ID of the plugin in the repository.
       *
      * @return a {@code String}
      */
     public String getArtifactId() {
         return this.artifactId;
     }
 
     /**
      * The version (or valid range of versions) of the plugin to be used.
      *
      * @return a {@code String}
      */
     public String getVersion() {
         return this.version;
     }
 
     /**
      * Whether to load Maven extensions (such as packaging and type handlers) from
      * this plugin. For performance reasons, this should only be enabled when necessary. Note: While the type
      * of this field is {@code String} for technical reasons, the semantic type is actually
      * {@code Boolean}. Default value is {@code false}.
      *
      * @return a {@code String}
      */
     public String getExtensions() {
         return this.extensions;
     }
 
     /**
      * Multiple specifications of a set of goals to execute during the build
      * lifecycle, each having (possibly) a different configuration.
      *
      * @return a {@code List<PluginExecution>}
      */
     @Nonnull
     public List<PluginExecution> getExecutions() {
         return this.executions;
     }
 
     /**
      * Additional dependencies that this project needs to introduce to the plugin's
      * classloader.
      *
      * @return a {@code List<Dependency>}
      */
     @Nonnull
     public List<Dependency> getDependencies() {
         return this.dependencies;
     }
 
     /**
      * Gets the location of the specified field in the input source.
      */
     public InputLocation getLocation(Object key) {
         return locations != null ? locations.get(key) : null;
     }
 
     /**
     * Gets the keys of the locations of the input source.
     */
     public Set<Object> getLocationKeys() {
         return locations != null ? locations.keySet() : null;
     }
 
     /**
      * Creates a new builder with this object as the basis.
      *
      * @return a {@code Builder}
      */
     @Nonnull
     public Builder with() {
         return newBuilder(this);
     }
     /**
      * Creates a new {@code Plugin} instance using the specified inherited.
      *
      * @param inherited the new {@code String} to use
      * @return a {@code Plugin} with the specified inherited
      */
     @Nonnull
     public Plugin withInherited(String inherited) {
         return newBuilder(this, true).inherited(inherited).build();
     }
     /**
      * Creates a new {@code Plugin} instance using the specified configuration.
      *
      * @param configuration the new {@code XmlNode} to use
      * @return a {@code Plugin} with the specified configuration
      */
     @Nonnull
     public Plugin withConfiguration(XmlNode configuration) {
         return newBuilder(this, true).configuration(configuration).build();
     }
     /**
      * Creates a new {@code Plugin} instance using the specified groupId.
      *
      * @param groupId the new {@code String} to use
      * @return a {@code Plugin} with the specified groupId
      */
     @Nonnull
     public Plugin withGroupId(String groupId) {
         return newBuilder(this, true).groupId(groupId).build();
     }
     /**
      * Creates a new {@code Plugin} instance using the specified artifactId.
      *
      * @param artifactId the new {@code String} to use
      * @return a {@code Plugin} with the specified artifactId
      */
     @Nonnull
     public Plugin withArtifactId(String artifactId) {
         return newBuilder(this, true).artifactId(artifactId).build();
     }
     /**
      * Creates a new {@code Plugin} instance using the specified version.
      *
      * @param version the new {@code String} to use
      * @return a {@code Plugin} with the specified version
      */
     @Nonnull
     public Plugin withVersion(String version) {
         return newBuilder(this, true).version(version).build();
     }
     /**
      * Creates a new {@code Plugin} instance using the specified extensions.
      *
      * @param extensions the new {@code String} to use
      * @return a {@code Plugin} with the specified extensions
      */
     @Nonnull
     public Plugin withExtensions(String extensions) {
         return newBuilder(this, true).extensions(extensions).build();
     }
     /**
      * Creates a new {@code Plugin} instance using the specified executions.
      *
      * @param executions the new {@code Collection<PluginExecution>} to use
      * @return a {@code Plugin} with the specified executions
      */
     @Nonnull
     public Plugin withExecutions(Collection<PluginExecution> executions) {
         return newBuilder(this, true).executions(executions).build();
     }
     /**
      * Creates a new {@code Plugin} instance using the specified dependencies.
      *
      * @param dependencies the new {@code Collection<Dependency>} to use
      * @return a {@code Plugin} with the specified dependencies
      */
     @Nonnull
     public Plugin withDependencies(Collection<Dependency> dependencies) {
         return newBuilder(this, true).dependencies(dependencies).build();
     }
 
     /**
      * Creates a new {@code Plugin} instance.
      * Equivalent to {@code newInstance(true)}.
      * @see #newInstance(boolean)
      *
      * @return a new {@code Plugin}
      */
     @Nonnull
     public static Plugin newInstance() {
         return newInstance(true);
     }
 
     /**
      * Creates a new {@code Plugin} instance using default values or not.
      * Equivalent to {@code newBuilder(withDefaults).build()}.
      *
      * @param withDefaults the boolean indicating whether default values should be used
      * @return a new {@code Plugin}
      */
     @Nonnull
     public static Plugin newInstance(boolean withDefaults) {
         return newBuilder(withDefaults).build();
     }
 
     /**
      * Creates a new {@code Plugin} builder instance.
      * Equivalent to {@code newBuilder(true)}.
      * @see #newBuilder(boolean)
      *
      * @return a new {@code Builder}
      */
     @Nonnull
     public static Builder newBuilder() {
         return newBuilder(true);
     }
 
     /**
      * Creates a new {@code Plugin} builder instance using default values or not.
      *
      * @param withDefaults the boolean indicating whether default values should be used
      * @return a new {@code Builder}
      */
     @Nonnull
     public static Builder newBuilder(boolean withDefaults) {
         return new Builder(withDefaults);
     }
 
     /**
      * Creates a new {@code Plugin} builder instance using the specified object as a basis.
      * Equivalent to {@code newBuilder(from, false)}.
      *
      * @param from the {@code Plugin} instance to use as a basis
      * @return a new {@code Builder}
      */
     @Nonnull
     public static Builder newBuilder(Plugin from) {
         return newBuilder(from, false);
     }
 
     /**
      * Creates a new {@code Plugin} builder instance using the specified object as a basis.
      *
      * @param from the {@code Plugin} instance to use as a basis
      * @param forceCopy the boolean indicating if a copy should be forced
      * @return a new {@code Builder}
      */
     @Nonnull
     public static Builder newBuilder(Plugin from, boolean forceCopy) {
         return new Builder(from, forceCopy);
     }
 
     /**
      * Builder class used to create Plugin instances.
      * @see #with()
      * @see #newBuilder()
      */
     @NotThreadSafe
     public static class Builder
         extends ConfigurationContainer.Builder
     {
         Plugin base;
         String groupId;
         String artifactId;
         String version;
         String extensions;
         Collection<PluginExecution> executions;
         Collection<Dependency> dependencies;
 
         protected Builder(boolean withDefaults) {
             super(withDefaults);
             if (withDefaults) {
                 this.groupId = "org.apache.maven.plugins";
             }
         }
 
         protected Builder(Plugin base, boolean forceCopy) {
             super(base, forceCopy);
             if (forceCopy) {
                 this.groupId = base.groupId;
                 this.artifactId = base.artifactId;
                 this.version = base.version;
                 this.extensions = base.extensions;
                 this.executions = base.executions;
                 this.dependencies = base.dependencies;
                 this.locations = base.locations;
                 this.importedFrom = base.importedFrom;
             } else {
                 this.base = base;
             }
         }
 
         @Nonnull
         public Builder inherited(String inherited) {
             this.inherited = inherited;
             return this;
         }
 
         @Nonnull
         public Builder configuration(XmlNode configuration) {
             this.configuration = configuration;
             return this;
         }
 
         @Nonnull
         public Builder groupId(String groupId) {
             this.groupId = groupId;
             return this;
         }
 
         @Nonnull
         public Builder artifactId(String artifactId) {
             this.artifactId = artifactId;
             return this;
         }
 
         @Nonnull
         public Builder version(String version) {
             this.version = version;
             return this;
         }
 
         @Nonnull
         public Builder extensions(String extensions) {
             this.extensions = extensions;
             return this;
         }
 
         @Nonnull
         public Builder executions(Collection<PluginExecution> executions) {
             this.executions = executions;
             return this;
         }
 
         @Nonnull
         public Builder dependencies(Collection<Dependency> dependencies) {
             this.dependencies = dependencies;
             return this;
         }
 
 
         @Nonnull
         public Builder location(Object key, InputLocation location) {
             if (location != null) {
                 if (!(this.locations instanceof HashMap)) {
                     this.locations = this.locations != null ? new HashMap<>(this.locations) : new HashMap<>();
                 }
                 this.locations.put(key, location);
             }
             return this;
         }
 
         @Nonnull
         public Builder importedFrom(InputLocation importedFrom) {
             this.importedFrom = importedFrom;
             return this;
         }
 
         @Nonnull
         public Plugin build() {
             // this method should not contain any logic other than creating (or reusing) an object in order to ease subclassing
             if (base != null
                     && (inherited == null || inherited == base.inherited)
                     && (configuration == null || configuration == base.configuration)
                     && (groupId == null || groupId == base.groupId)
                     && (artifactId == null || artifactId == base.artifactId)
                     && (version == null || version == base.version)
                     && (extensions == null || extensions == base.extensions)
                     && (executions == null || executions == base.executions)
                     && (dependencies == null || dependencies == base.dependencies)
             ) {
                 return base;
             }
             return new Plugin(this);
         }
     }
 
 
             
     public boolean isExtensions() {
         return (getExtensions() != null) ? Boolean.parseBoolean(getExtensions()) : false;
     }
             
           
 
             
     /**
      * Gets the identifier of the plugin.
      *
      * @return the plugin id in the form {@code <groupId>:<artifactId>:<version>}, never {@code null}
      */
     public String getId() {
         return new StringBuilder(128)
             .append((getGroupId() == null) ? "[unknown-group-id]" : getGroupId())
             .append(":")
             .append((getArtifactId() == null) ? "[unknown-artifact-id]" : getArtifactId())
             .append(":")
             .append((getVersion() == null) ? "[unknown-version]" : getVersion())
             .toString();
     }
 
     /**
      * @return the key of the plugin, ie {@code groupId:artifactId}
      */
     public String getKey() {
         return constructKey(getGroupId(), getArtifactId());
     }
 
     /**
      * @param groupId the group ID of the plugin in the repository
      * @param artifactId the artifact ID of the reporting plugin in the repository
      * @return the key of the plugin, ie {@code groupId:artifactId}
      */
     public static String constructKey(String groupId, String artifactId) {
         return groupId + ":" + artifactId;
     }
 
             
           
 
             
     /**
      * @see java.lang.Object#equals(java.lang.Object)
      */
     public boolean equals(Object other) {
         if (other instanceof Plugin) {
             Plugin otherPlugin = (Plugin) other;
             return getKey().equals(otherPlugin.getKey());
         }
         return false;
     }
 
     /**
      * @see java.lang.Object#hashCode()
      */
     public int hashCode() {
         return getKey().hashCode();
     }
 
     /**
      * @see java.lang.Object#toString()
      */
     public String toString() {
         return "Plugin [" + getKey() + "]";
     }
             
           
 }