GenericDeploymentTool (Apache Ant API)

org.apache.tools.ant.taskdefs.optional.ejb

## Class GenericDeploymentTool

- java.lang.Object
- - org.apache.tools.ant.taskdefs.optional.ejb.GenericDeploymentTool

- All Implemented Interfaces:
    EJBDeploymentTool
  Direct Known Subclasses:
    BorlandDeploymentTool, IPlanetDeploymentTool, JbossDeploymentTool, JonasDeploymentTool, WeblogicDeploymentTool, WebsphereDeploymentTool

      public class GenericDeploymentTool
      extends java.lang.Object
      implements EJBDeploymentTool

  A deployment tool which creates generic EJB jars. Generic jars contains only those classes and META-INF entries specified in the EJB 1.1 standard This class is also used as a framework for the creation of vendor specific deployment tools. A number of template methods are provided through which the vendor specific tool can hook into the EJB creation process.

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static java.lang.String` | `ANALYZER_CLASS_FULL` The analyzer class for the super analyzer
    `static java.lang.String` | `ANALYZER_CLASS_SUPER` The analyzer class for the super analyzer
    `static java.lang.String` | `ANALYZER_FULL` A dependency analyzer name to find all related classes
    `static java.lang.String` | `ANALYZER_NONE` A dependency analyzer name for no analyzer
    `static java.lang.String` | `ANALYZER_SUPER` A dependency analyzer name to find ancestor classes
    `static java.lang.String` | `DEFAULT_ANALYZER` The default analyzer
    `static int` | `DEFAULT_BUFFER_SIZE` The default buffer byte size to use for IO
    `protected static java.lang.String` | `EJB_DD` Name for EJB Deployment descriptor within EJB jars
    `static int` | `JAR_COMPRESS_LEVEL` The level to use for compression
    `protected static java.lang.String` | `MANIFEST` The standard MANIFEST file
    `protected static java.lang.String` | `META_DIR` The standard META-INF directory in jar files

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `GenericDeploymentTool()` No arg constructor

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected void` | `addFileToJar(java.util.jar.JarOutputStream jStream, java.io.File inputFile, java.lang.String logicalFilename)` Utility method that encapsulates the logic of adding a file entry to a .jar file.
    `protected void` | `addSupportClasses(java.util.Hashtable ejbFiles)` Adds any classes the user specifies using support nested elements to the `ejbFiles` Hashtable.
    `protected void` | `addVendorFiles(java.util.Hashtable ejbFiles, java.lang.String ddPrefix)` Add any vendor specific files which should be included in the EJB Jar.
    `protected void` | `checkAndAddDependants(java.util.Hashtable checkEntries)` Add all available classes, that depend on Remote, Home, Bean, PK
    `protected void` | `checkConfiguration(java.lang.String descriptorFileName, javax.xml.parsers.SAXParser saxParser)` This method is called as the first step in the processDescriptor method to allow vendor-specific subclasses to validate the task configuration prior to processing the descriptor.
    `void` | `configure(org.apache.tools.ant.taskdefs.optional.ejb.EjbJar.Config config)` Configure this tool for use in the ejbjar task.
    `Path` | `createClasspath()` Add the classpath for the user classes
    `protected java.lang.ClassLoader` | `getClassLoaderForBuild()` Returns a Classloader object which parses the passed in generic EjbJar classpath.
    `protected Path` | `getCombinedClasspath()` Get the classpath by combining the one from the surrounding task, if any and the one from this tool.
    `protected org.apache.tools.ant.taskdefs.optional.ejb.EjbJar.Config` | `getConfig()` Get the basename terminator.
    `protected DescriptorHandler` | `getDescriptorHandler(java.io.File srcDir)` Get a descriptionHandler.
    `protected java.io.File` | `getDestDir()` Get the destination directory.
    `protected java.lang.String` | `getJarBaseName(java.lang.String descriptorFileName)` Using the EJB descriptor file name passed from the `ejbjar` task, this method returns the "basename" which will be used to name the completed JAR file.
    `protected Location` | `getLocation()` Get the build file location associated with this element's task.
    `protected java.io.File` | `getManifestFile(java.lang.String prefix)` Get the manifest file to use for building the generic jar.
    `protected java.lang.String` | `getPublicId()` Returns the Public ID of the DTD specified in the EJB descriptor.
    `protected Task` | `getTask()` Get the task for this tool.
    `java.lang.String` | `getVendorDDPrefix(java.lang.String baseName, java.lang.String descriptorFileName)` Get the prefix for vendor deployment descriptors.
    `protected void` | `log(java.lang.String message, int level)` Log a message to the Ant output.
    `protected boolean` | `needToRebuild(java.util.Hashtable ejbFiles, java.io.File jarFile)` This method checks the timestamp on each file listed in the `ejbFiles` and compares them to the timestamp on the `jarFile` .
    `protected java.util.Hashtable` | `parseEjbFiles(java.lang.String descriptorFileName, javax.xml.parsers.SAXParser saxParser)` This method returns a list of EJB files found when the specified EJB descriptor is parsed and processed.
    `void` | `processDescriptor(java.lang.String descriptorFileName, javax.xml.parsers.SAXParser saxParser)` Process a deployment descriptor, generating the necessary vendor specific deployment files.
    `protected void` | `registerKnownDTDs(DescriptorHandler handler)` Register the locations of all known DTDs.
    `void` | `setClasspath(Path classpath)` Set the classpath to be used for this compilation.
    `void` | `setDestdir(java.io.File inDir)` Set the destination directory; required.
    `void` | `setGenericJarSuffix(java.lang.String inString)` Set the suffix for the generated jar file.
    `void` | `setTask(Task task)` Set the task which owns this tool
    `protected boolean` | `usingBaseJarName()` Indicate if this build is using the base jar name.
    `void` | `validateConfigured()` Called to validate that the tool parameters have been configured.
    `protected void` | `writeJar(java.lang.String baseName, java.io.File jarfile, java.util.Hashtable files, java.lang.String publicId)` Method used to encapsulate the writing of the JAR file.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### DEFAULT_BUFFER_SIZE

          public static final int DEFAULT_BUFFER_SIZE

      The default buffer byte size to use for IO
      See Also:
        Constant Field Values

    - #### JAR_COMPRESS_LEVEL

          public static final int JAR_COMPRESS_LEVEL

      The level to use for compression
      See Also:
        Constant Field Values

    - #### META_DIR

          protected static final java.lang.String META_DIR

      The standard META-INF directory in jar files
      See Also:
        Constant Field Values

    - #### MANIFEST

          protected static final java.lang.String MANIFEST

      The standard MANIFEST file
      See Also:
        Constant Field Values

    - #### EJB_DD

          protected static final java.lang.String EJB_DD

      Name for EJB Deployment descriptor within EJB jars
      See Also:
        Constant Field Values

    - #### ANALYZER_SUPER

          public static final java.lang.String ANALYZER_SUPER

      A dependency analyzer name to find ancestor classes
      See Also:
        Constant Field Values

    - #### ANALYZER_FULL

          public static final java.lang.String ANALYZER_FULL

      A dependency analyzer name to find all related classes
      See Also:
        Constant Field Values

    - #### ANALYZER_NONE

          public static final java.lang.String ANALYZER_NONE

      A dependency analyzer name for no analyzer
      See Also:
        Constant Field Values

    - #### DEFAULT_ANALYZER

          public static final java.lang.String DEFAULT_ANALYZER

      The default analyzer
      See Also:
        Constant Field Values

    - #### ANALYZER_CLASS_SUPER

          public static final java.lang.String ANALYZER_CLASS_SUPER

      The analyzer class for the super analyzer
      See Also:
        Constant Field Values

    - #### ANALYZER_CLASS_FULL

          public static final java.lang.String ANALYZER_CLASS_FULL

      The analyzer class for the super analyzer
      See Also:
        Constant Field Values

  - ### Constructor Detail

    - #### GenericDeploymentTool

          public GenericDeploymentTool()

      No arg constructor

  - ### Method Detail

    - #### setDestdir

          public void setDestdir(java.io.File inDir)

      Set the destination directory; required.
      Parameters:
        `inDir` - the destination directory.

    - #### getDestDir

          protected java.io.File getDestDir()

      Get the destination directory.
      Returns:
        the destination directory into which EJB jars are to be written

    - #### setTask

          public void setTask(Task task)

      Set the task which owns this tool
      Specified by:
        `setTask` in interface `EJBDeploymentTool`
      Parameters:
        `task` - the Task to which this deployment tool is associated.

    - #### getTask

          protected Task getTask()

      Get the task for this tool.
      Returns:
        the Task instance this tool is associated with.

    - #### getConfig

          protected org.apache.tools.ant.taskdefs.optional.ejb.EjbJar.Config getConfig()

      Get the basename terminator.
      Returns:
        an ejbjar task configuration

    - #### usingBaseJarName

          protected boolean usingBaseJarName()

      Indicate if this build is using the base jar name.
      Returns:
        true if the name of the generated jar is coming from the basejarname attribute

    - #### setGenericJarSuffix

          public void setGenericJarSuffix(java.lang.String inString)

      Set the suffix for the generated jar file.
      Parameters:
        `inString` - the string to use as the suffix.

    - #### createClasspath

          public Path createClasspath()

      Add the classpath for the user classes
      Returns:
        a Path instance to be configured by Ant.

    - #### setClasspath

          public void setClasspath(Path classpath)

      Set the classpath to be used for this compilation.
      Parameters:
        `classpath` - the classpath to be used for this build.

    - #### getCombinedClasspath

          protected Path getCombinedClasspath()

      Get the classpath by combining the one from the surrounding task, if any and the one from this tool.
      Returns:
        the combined classpath

    - #### log

          protected void log(java.lang.String message,
                 int level)

      Log a message to the Ant output.
      Parameters:
        `message` - the message to be logged.
        `level` - the severity of this message.

    - #### getLocation

          protected Location getLocation()

      Get the build file location associated with this element's task.
      Returns:
        the task's location instance.

    - #### configure

          public void configure(org.apache.tools.ant.taskdefs.optional.ejb.EjbJar.Config config)

      Configure this tool for use in the ejbjar task.
      Specified by:
        `configure` in interface `EJBDeploymentTool`
      Parameters:
        `config` - the configuration from the surrounding ejbjar task.

    - #### addFileToJar

          protected void addFileToJar(java.util.jar.JarOutputStream jStream,
                          java.io.File inputFile,
                          java.lang.String logicalFilename)
                               throws BuildException

      Utility method that encapsulates the logic of adding a file entry to a .jar file. Used by execute() to add entries to the jar file as it is constructed.
      Parameters:
        `jStream` - A JarOutputStream into which to write the jar entry.
        `inputFile` - A File from which to read the contents the file being added.
        `logicalFilename` - A String representing the name, including all relevant path information, that should be stored for the entry being added.
      Throws:
        `BuildException` - if there is a problem.

    - #### getDescriptorHandler

          protected DescriptorHandler getDescriptorHandler(java.io.File srcDir)

      Get a descriptionHandler.
      Parameters:
        `srcDir` - the source directory.
      Returns:
        a handler.

    - #### registerKnownDTDs

          protected void registerKnownDTDs(DescriptorHandler handler)

      Register the locations of all known DTDs. vendor-specific subclasses should override this method to define the vendor-specific locations of the EJB DTDs
      Parameters:
        `handler` - no used in this class.

    - #### processDescriptor

          public void processDescriptor(java.lang.String descriptorFileName,
                               javax.xml.parsers.SAXParser saxParser)

      Process a deployment descriptor, generating the necessary vendor specific deployment files..
      Specified by:
        `processDescriptor` in interface `EJBDeploymentTool`
      Parameters:
        `descriptorFileName` - the name of the deployment descriptor
        `saxParser` - a SAX parser which can be used to parse the deployment descriptor.

    - #### checkConfiguration

          protected void checkConfiguration(java.lang.String descriptorFileName,
                                javax.xml.parsers.SAXParser saxParser)
                                     throws BuildException

      This method is called as the first step in the processDescriptor method to allow vendor-specific subclasses to validate the task configuration prior to processing the descriptor. If the configuration is invalid, a BuildException should be thrown.
      Parameters:
        `descriptorFileName` - String representing the file name of an EJB descriptor to be processed
        `saxParser` - SAXParser which may be used to parse the XML descriptor
      Throws:
        `BuildException` - if there is a problem.

    - #### parseEjbFiles

          protected java.util.Hashtable parseEjbFiles(java.lang.String descriptorFileName,
                                          javax.xml.parsers.SAXParser saxParser)
                                               throws java.io.IOException,
                                                      org.xml.sax.SAXException

      This method returns a list of EJB files found when the specified EJB descriptor is parsed and processed.
      Parameters:
        `descriptorFileName` - String representing the file name of an EJB descriptor to be processed
        `saxParser` - SAXParser which may be used to parse the XML descriptor
      Returns:
        Hashtable of EJB class (and other) files to be added to the completed JAR file
      Throws:
        `org.xml.sax.SAXException` - Any SAX exception, possibly wrapping another exception
        `java.io.IOException` - An IOException from the parser, possibly from a the byte stream or character stream

    - #### addSupportClasses

          protected void addSupportClasses(java.util.Hashtable ejbFiles)

      Adds any classes the user specifies using support nested elements to the `ejbFiles` Hashtable.
      Parameters:
        `ejbFiles` - Hashtable of EJB classes (and other) files that will be added to the completed JAR file

    - #### getJarBaseName

          protected java.lang.String getJarBaseName(java.lang.String descriptorFileName)

      Using the EJB descriptor file name passed from the `ejbjar` task, this method returns the "basename" which will be used to name the completed JAR file.
      Parameters:
        `descriptorFileName` - String representing the file name of an EJB descriptor to be processed
      Returns:
        The "basename" which will be used to name the completed JAR file

    - #### getVendorDDPrefix

          public java.lang.String getVendorDDPrefix(java.lang.String baseName,
                                           java.lang.String descriptorFileName)

      Get the prefix for vendor deployment descriptors. This will contain the path and the start of the descriptor name, depending on the naming scheme
      Parameters:
        `baseName` - the base name to use.
        `descriptorFileName` - the file name to use.
      Returns:
        the prefix.

    - #### addVendorFiles

          protected void addVendorFiles(java.util.Hashtable ejbFiles,
                            java.lang.String ddPrefix)

      Add any vendor specific files which should be included in the EJB Jar.
      Parameters:
        `ejbFiles` - a hashtable entryname -> file.
        `ddPrefix` - a prefix to use.

    - #### needToRebuild

          protected boolean needToRebuild(java.util.Hashtable ejbFiles,
                              java.io.File jarFile)

      This method checks the timestamp on each file listed in the `ejbFiles` and compares them to the timestamp on the `jarFile` . If the `jarFile`'s timestamp is more recent than each EJB file, `true` is returned. Otherwise, `false` is returned. TODO: find a way to check the manifest-file, that is found by naming convention
      Parameters:
        `ejbFiles` - Hashtable of EJB classes (and other) files that will be added to the completed JAR file
        `jarFile` - JAR file which will contain all of the EJB classes (and other) files
      Returns:
        boolean indicating whether or not the `jarFile` is up to date

    - #### getPublicId

          protected java.lang.String getPublicId()

      Returns the Public ID of the DTD specified in the EJB descriptor. Not every vendor-specific `DeploymentTool` will need to reference this value or may want to determine this value in a vendor-specific way.
      Returns:
        Public ID of the DTD specified in the EJB descriptor.

    - #### getManifestFile

          protected java.io.File getManifestFile(java.lang.String prefix)

      Get the manifest file to use for building the generic jar. If the file does not exist the global manifest from the config is used otherwise the default Ant manifest will be used.
      Parameters:
        `prefix` - the prefix where to llook for the manifest file based on the naming convention.
      Returns:
        the manifest file or null if the manifest file does not exist

    - #### writeJar

          protected void writeJar(java.lang.String baseName,
                      java.io.File jarfile,
                      java.util.Hashtable files,
                      java.lang.String publicId)
                           throws BuildException

      Method used to encapsulate the writing of the JAR file. Iterates over the filenames/java.io.Files in the Hashtable stored on the instance variable ejbFiles.
      Parameters:
        `baseName` - the base name to use.
        `jarfile` - the jar file to write to.
        `files` - the files to write to the jar.
        `publicId` - the id to use.
      Throws:
        `BuildException` - if there is a problem.

    - #### checkAndAddDependants

          protected void checkAndAddDependants(java.util.Hashtable checkEntries)
                                        throws BuildException

      Add all available classes, that depend on Remote, Home, Bean, PK
      Parameters:
        `checkEntries` - files, that are extracted from the deployment descriptor
      Throws:
        `BuildException` - if there is a problem.

    - #### getClassLoaderForBuild

          protected java.lang.ClassLoader getClassLoaderForBuild()

      Returns a Classloader object which parses the passed in generic EjbJar classpath. The loader is used to dynamically load classes from javax.ejb.* and the classes being added to the jar.
      Returns:
        a classloader.

    - #### validateConfigured

          public void validateConfigured()
                                  throws BuildException

      Called to validate that the tool parameters have been configured.
      Specified by:
        `validateConfigured` in interface `EJBDeploymentTool`
      Throws:
        `BuildException` - If the Deployment Tool's configuration isn't valid