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## com.bea.p13n.content.document.ref.loader
Class BulkLoader

    java.lang.Object
      com.bea.p13n.content.document.ref.loader.BulkLoader

All Implemented Interfaces:
  FilenameFilter

public class BulkLoader
extends Object
implements FilenameFilter

The reference document repository bulk loader application.

This class is mainly designed to run as a command-line application, via a "java com.bea.p13n.content.document.loader.BulkLoader" command-line. To see a usage, give it a -h flag or read the Usage.txt in this package.

Additionally, BulkLoader objects can be created and used to provide the functionality in other places. The lifecycle of a BulkLoader is as follows:

- Construction
- `parseArgs()` if not passed in to constructor.
- `validateArgs()` to make sure the loader has valid arguments.
- `initialize()` to setup internal state.
- `go()` to execute the load.
- `shutdown()` to cleanup everything.

Not calling parseArgs(), validateArgs(), and initialize(), in that order, will cause the BulkLoader object to most likely ungracefully fail. However, once those methods have been invoked, the utility methods (like go(), doLoad(), printSchema(), deleteDoc(), and insertDoc()) can invoked as needed. The commit() and rollback() method will control the BulkLoader's transaction with the database. When finished, be sure to call the shutdown() method to release internal resources.

If manually constructing and utilizing a BulkLoader object, be certain to synchronize all access to the object. Since the command-line program is single-threaded, BulkLoader objects are not thread-safe by design.

To load the default `LoaderFilters`, the BulkLoader looks for the com/bea/p13n/content/document/loader/loader.properties file in the CLASSPATH. From that it reads the list of default LoaderFilter class names from the "loader.defFilters" property. To not use any of the default filters, specify +filters in the command-line args.

Since:
  2.0
See Also:
  `MetaParser`, `FileCache`

Nested Class Summary
`static class` | `BulkLoader.ShowUsageException` Deprecated. Quick inner exception thrown on parseArgs() to say we should just print a usage report.

Field Summary
`Map` | `addlColumnMap` Deprecated. The map of additional DOCUMENT table column name to collection of property names that map onto the column name.
`Collection` | `addlColumnNames` Deprecated. The list of additional DOCUMENT table column names.
`int` | `commitAfter` Deprecated. The number of documents loaded after which this should commit (0 or less for only at the end).
`protected Connection` | `connection` Deprecated. The connection this loader uses.
`String` | `conPoolName` Deprecated. The connection pool name.
`static String` | `DEF_MD_FILE_EXT` Deprecated. The default file extension for metadata property files.
`static String` | `DEF_MIME_TYPE` Deprecated. The default mime type.
`static String` | `DEF_SCHEMA_NAME` Deprecated. The default schema name.
`static String` | `DEF_SCHEMA_PATH` Deprecated. The default path for the schema file.
`static String` | `DEF_WLS_PROPS_PATH` Deprecated. The default weblogic properties file path.
`static String` | `deleteDocSql` Deprecated. The preparable sql to remove a document from the database.
`protected PreparedStatement` | `deleteDocStmt` Deprecated. The delete document statement.
`static String` | `deleteMDSql` Deprecated. The preparable sql to remove a document's implicit metadata from the database.
`protected PreparedStatement` | `deleteMDStmt` Deprecated. The delete metadata statement.
`static String` | `DOC_MD_TABLE` Deprecated. The document_metadata table name.
`static String` | `DOC_TABLE` Deprecated. The document table name.
`String` | `docBase` Deprecated. The docBase.
`boolean` | `doCleanUp` Deprecated. Are we supposed to do a cleanup.
`boolean` | `doDelete` Deprecated. Are we deleting entries.
`boolean` | `doMetaParse` Deprecated. Are we supposed to parse '*.htm' and '*.html' files for META tags.
`static Collection` | `explicitAttrNames` Deprecated. The set of explicit document metadata attribute names.
`static Collection` | `explicitColumnNames` Deprecated. The default set of DOCUMENT table column names.
`String` | `fileEncoding` Deprecated. The file enconding (null for VM default).
`List` | `fileList` Deprecated. The list of files/directories to scan over.
`List` | `htmlMatchList` Deprecated. The list of patterns that represent HTML file names.
`boolean` | `ignoreErrors` Deprecated. Do we ignore errors.
`List` | `ignoreList` Deprecated. The list of file name patterns to ignore.
`boolean` | `includeHidden` Deprecated. Are we supposed to include hidden files and directories.
`boolean` | `inheritProps` Deprecated. Are we supposed to inherit metadata properties when recursing directories?
`static String` | `insertDocSql` Deprecated. No longer used.
`protected PreparedStatement` | `insertDocStmt` Deprecated. The insert document statement.
`static String` | `insertMDSql` Deprecated. The preparable sql to insert a document metadata into the database.
`protected PreparedStatement` | `insertMDStmt` Deprecated. The insert document metadata statement.
`protected Properties` | `jdbcProps` Deprecated. The JDBC connection properties.
`protected String` | `jdbcUrl` Deprecated. The JDBC connection url.
`List` | `loaderFilters` Deprecated. The list of LoaderFilters to try.
`List` | `matchList` Deprecated. The list of file name patterns to include.
`String` | `mdFileExt` Deprecated. The file extension of metadata property files.
`protected Collection` | `metadataNames` Deprecated. The metadata properties we find along the way.
`protected String` | `myInsertDocSql` Deprecated. The SQL statement used to insert into the DOCUMENT table.
`protected String` | `myUpdateDocSql` Deprecated. The SQL statement used to update the DOCUMENT table.
`protected long` | `numDocsLoaded` Deprecated. The number of documents we've loaded so far.
`boolean` | `recurse` Deprecated. Do we recurse over directories?
`String` | `schemaName` Deprecated. The name of the schema in the schema file.
`boolean` | `schemaOnly` Deprecated. Are we doing only the schema file generation.
`String` | `schemaPath` Deprecated. The path to the schema file to output.
`boolean` | `testOnly` Deprecated. Are we running in test mode?
`boolean` | `truncate` Deprecated. Do we try to truncate.
`static String` | `updateDocSql` Deprecated. No longer used.
`protected PreparedStatement` | `updateDocStmt` Deprecated. The update document statement.
`boolean` | `verbose` Deprecated. Do we spew out messages.
`String` | `wlsPropsPath` Deprecated. The weblogic.properties file path.

Constructor Summary
`BulkLoader()` Deprecated. Constructor a BulkLoader without command-line arguments.
`BulkLoader(String[] args)` Deprecated. Construct a BulkLoader from the given command-line arguments.

Method Summary
`boolean` | `accept(File dir, String name)` Deprecated. Implement the FilenameFilter interface method to use our match and ignore lists.
`static void` | `close(Object o)` Deprecated. Close an object which has a close() method, ignoring any exceptions.
`void` | `commit()` Deprecated. Commit the transaction.
`void` | `debug(String mesg)` Deprecated. Out put a debug message.
`int` | `deleteDoc(String path)` Deprecated. This will remove the document with id of path from the database, including all of its implicit metadata.
`void` | `deleteDocMetadata(String path)` Deprecated. This will remove the implicit metadata for the specified document.
`void` | `doLoad()` Deprecated. Do the actual bulk load logic on the file list.
`void` | `doLoad(File baseDir, String path, Properties dirProps)` Deprecated. Load the given path into the database.
`void` | `error(String mesg)` Deprecated. Output an error message.
`void` | `error(String mesg, Throwable ex)` Deprecated. Output an error message.
`protected void` | `finalize()` Deprecated. Called when this to be finialized.
`String` | `fixPath(String path)` Deprecated. Fix up a path to be forward-slash style and to not have empty path parts.
`static String` | `fixString(String in)` Deprecated. Fix empty strings to be nulls.
`String` | `fixString(String in, String tableName, String colName)` Deprecated. Fix up strings to check potentionally truncate too large values.
`Properties` | `getLoaderFilterProperties(File f, Properties p)` Deprecated. Get the properties from the BulkLoader's LoaderFilters for the given file.
`Properties` | `getMetadataProperties(File base, Properties p)` Deprecated. Get the metadata properties for the given file or directory.
`String` | `getPropertyForColumn(String colName, Properties p)` Deprecated. Get the property value for the specified additional column name.
`void` | `go()` Deprecated. Let the bulkloader go.
`void` | `initialize()` Deprecated. Initialize the bulkloader from the current state.
`int` | `insertDoc(String path, File f, Properties p, String mimeType)` Deprecated. Update or insert a document and metadata into the database.
`static boolean` | `isHidden(File f)` Deprecated. Check if the specified file is a hidden file.
`boolean` | `isHtmlFile(String name)` Deprecated. Tell if the specified file name is an HTML file to the loader.
`static boolean` | `isReadableDirectory(String name)` Deprecated. Check if the specified file name is a directory that we can get into.
`void` | `loadPropertyColumnInfo(Properties p)` Deprecated. Load the set of jdbc.column.
`static int` | `main(BulkLoader loader, String[] args)` Deprecated. The main method invoked on a BulkLoader instance.
`static void` | `main(String[] args)` Deprecated. Command-line entry point.
`void` | `parseArgs(String[] args)` Deprecated. Parse the given input arguments.
`void` | `printSchema()` Deprecated. Print the schema xml for all the metadata we've loaded so far.
`void` | `printSchema(PrintWriter out, String enc)` Deprecated. Print the schema xml for all the metadata we've loaded so far to the given output stream.
`void` | `rollback()` Deprecated. Rollback the transaction.
`protected void` | `setJDBCInfo()` Deprecated. Set the jdbc connection url and properties from the current weblogic.properties file.
`boolean` | `shouldIgnore(String name)` Deprecated. Tell if the loader should ignore the specified file name.
`boolean` | `shouldInclude(String name)` Deprecated. Tell if the loader should include the specified file name.
`void` | `shutdown()` Deprecated. Shutdown this bulk loader.
`static List` | `split(String str, String on)` Deprecated. Split a delimited list into a List.
`static Properties` | `splitToProperties(String str, String on)` Deprecated. Split a WLS connection pool style string in a Properties object of the name=value pairs.
`void` | `usage(PrintStream out)` Deprecated. Print the usage of the application.
`void` | `usage(PrintWriter out)` Deprecated. Print the usage of the application.
`void` | `validateArgs()` Deprecated. Validate that we have been passed correct arguments.
`void` | `warning(String mesg)` Deprecated. Output a warning message.
`void` | `warning(String mesg, Throwable ex)` Deprecated. Output a warning message.

Methods inherited from class java.lang.Object
`clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### addlColumnMap

    public Map addlColumnMap

  Deprecated.
  The map of additional DOCUMENT table column name to collection of property names that map onto the column name.

### addlColumnNames

    public Collection addlColumnNames

  Deprecated.
  The list of additional DOCUMENT table column names.

### commitAfter

    public int commitAfter

  Deprecated.
  The number of documents loaded after which this should commit (0 or less for only at the end).

### connection

    protected Connection connection

  Deprecated.
  The connection this loader uses.

### conPoolName

    public String conPoolName

  Deprecated.
  The connection pool name.

### DEF_MD_FILE_EXT

    public static final String DEF_MD_FILE_EXT

  Deprecated.
  The default file extension for metadata property files.

  See Also:
    Constant Field Values

### DEF_MIME_TYPE

    public static final String DEF_MIME_TYPE

  Deprecated.
  The default mime type.

  See Also:
    Constant Field Values

### DEF_SCHEMA_NAME

    public static final String DEF_SCHEMA_NAME

  Deprecated.
  The default schema name.

  See Also:
    Constant Field Values

### DEF_SCHEMA_PATH

    public static final String DEF_SCHEMA_PATH

  Deprecated.
  The default path for the schema file.

  See Also:
    Constant Field Values

### DEF_WLS_PROPS_PATH

    public static final String DEF_WLS_PROPS_PATH

  Deprecated.
  The default weblogic properties file path.

  See Also:
    Constant Field Values

### deleteDocSql

    public static final String deleteDocSql

  Deprecated.
  The preparable sql to remove a document from the database.

### deleteDocStmt

    protected PreparedStatement deleteDocStmt

  Deprecated.
  The delete document statement.

### deleteMDSql

    public static final String deleteMDSql

  Deprecated.
  The preparable sql to remove a document's implicit metadata from the database.

### deleteMDStmt

    protected PreparedStatement deleteMDStmt

  Deprecated.
  The delete metadata statement.

### DOC_MD_TABLE

    public static String DOC_MD_TABLE

  Deprecated.
  The document_metadata table name.

### DOC_TABLE

    public static String DOC_TABLE

  Deprecated.
  The document table name.

### docBase

    public String docBase

  Deprecated.
  The docBase.

### doCleanUp

    public boolean doCleanUp

  Deprecated.
  Are we supposed to do a cleanup.

### doDelete

    public boolean doDelete

  Deprecated.
  Are we deleting entries.

### doMetaParse

    public boolean doMetaParse

  Deprecated.
  Are we supposed to parse '*.htm' and '*.html' files for META tags.

### explicitAttrNames

    public static final Collection explicitAttrNames

  Deprecated.
  The set of explicit document metadata attribute names.

### explicitColumnNames

    public static final Collection explicitColumnNames

  Deprecated.
  The default set of DOCUMENT table column names.

### fileEncoding

    public String fileEncoding

  Deprecated.
  The file enconding (null for VM default).

### fileList

    public List fileList

  Deprecated.
  The list of files/directories to scan over.

### htmlMatchList

    public List htmlMatchList

  Deprecated.
  The list of patterns that represent HTML file names.

### ignoreErrors

    public boolean ignoreErrors

  Deprecated.
  Do we ignore errors.

### ignoreList

    public List ignoreList

  Deprecated.
  The list of file name patterns to ignore.

### includeHidden

    public boolean includeHidden

  Deprecated.
  Are we supposed to include hidden files and directories.

### inheritProps

    public boolean inheritProps

  Deprecated.
  Are we supposed to inherit metadata properties when recursing directories?

### insertDocSql

    public static final String insertDocSql

  Deprecated. No longer used.

  The default preparable sql to insert a document into the database.

### insertDocStmt

    protected PreparedStatement insertDocStmt

  Deprecated.
  The insert document statement.

### insertMDSql

    public static final String insertMDSql

  Deprecated.
  The preparable sql to insert a document metadata into the database.

### insertMDStmt

    protected PreparedStatement insertMDStmt

  Deprecated.
  The insert document metadata statement.

### jdbcProps

    protected Properties jdbcProps

  Deprecated.
  The JDBC connection properties.

### jdbcUrl

    protected String jdbcUrl

  Deprecated.
  The JDBC connection url.

### loaderFilters

    public List loaderFilters

  Deprecated.
  The list of LoaderFilters to try.

### matchList

    public List matchList

  Deprecated.
  The list of file name patterns to include.

  Empty to include all.

### mdFileExt

    public String mdFileExt

  Deprecated.
  The file extension of metadata property files.

  This should start with a ".".

### metadataNames

    protected Collection metadataNames

  Deprecated.
  The metadata properties we find along the way.

### myInsertDocSql

    protected String myInsertDocSql

  Deprecated.
  The SQL statement used to insert into the DOCUMENT table.

  This will constructed in initialize() from with any additional column information.

### myUpdateDocSql

    protected String myUpdateDocSql

  Deprecated.
  The SQL statement used to update the DOCUMENT table.

  This will constructed in initialize() from with any additional column information.

### numDocsLoaded

    protected long numDocsLoaded

  Deprecated.
  The number of documents we've loaded so far.

### recurse

    public boolean recurse

  Deprecated.
  Do we recurse over directories?

### schemaName

    public String schemaName

  Deprecated.
  The name of the schema in the schema file.

### schemaOnly

    public boolean schemaOnly

  Deprecated.
  Are we doing only the schema file generation.

### schemaPath

    public String schemaPath

  Deprecated.
  The path to the schema file to output.

### testOnly

    public boolean testOnly

  Deprecated.
  Are we running in test mode?

### truncate

    public boolean truncate

  Deprecated.
  Do we try to truncate.

### updateDocSql

    public static final String updateDocSql

  Deprecated. No longer used.

  The default preparable sql to update a document in the database.

### updateDocStmt

    protected PreparedStatement updateDocStmt

  Deprecated.
  The update document statement.

### verbose

    public boolean verbose

  Deprecated.
  Do we spew out messages.

### wlsPropsPath

    public String wlsPropsPath

  Deprecated.
  The weblogic.properties file path.

Constructor Detail

### BulkLoader

    public BulkLoader()

  Deprecated.
  Constructor a BulkLoader without command-line arguments.

### BulkLoader

    public BulkLoader(String[] args)
               throws IllegalArgumentException

  Deprecated.
  Construct a BulkLoader from the given command-line arguments.

Throws:
  `IllegalArgumentException` - thrown on invalid args
See Also:
  `parseArgs(java.lang.String[])`

Method Detail

### accept

    public boolean accept(File dir,
                          String name)

  Deprecated.
  Implement the FilenameFilter interface method to use our match and ignore lists.

  Specified by:
    `accept` in interface `FilenameFilter`

### close

    public static void close(Object o)

  Deprecated.
  Close an object which has a close() method, ignoring any exceptions.

### commit

    public void commit()

  Deprecated.
  Commit the transaction.

### debug

    public void debug(String mesg)

  Deprecated.
  Out put a debug message.

  Subclasses can override this method to change where messages go.

### deleteDoc

    public int deleteDoc(String path)
                  throws SQLException

  Deprecated.
  This will remove the document with id of path from the database, including all of its implicit metadata.

  Parameters:
    `path` - the document path
  Returns:
    number of documents deleted
  Throws:
    `SQLException` - thrown on a database error.
  See Also:
    `deleteDocMetadata(java.lang.String)`

### deleteDocMetadata

    public void deleteDocMetadata(String path)
                           throws SQLException

  Deprecated.
  This will remove the implicit metadata for the specified document.

  Parameters:
    `path` - the document path
  Throws:
    `SQLException` - thrown on a database error.
  See Also:
    `deleteDocMetadata(java.lang.String)`

### doLoad

    public void doLoad()
                throws SQLException

  Deprecated.
  Do the actual bulk load logic on the file list.

  Throws:
    `SQLException`

### doLoad

    public void doLoad(File baseDir,
                       String path,
                       Properties dirProps)
                throws SQLException

  Deprecated.
  Load the given path into the database.

  If path is a directory, all files underneath it that match our patterns will be included. If path is a file, it will be loaded.

  Parameters:
    `baseDir` - the base directory (can be used to get absolute file paths).
    `path` - the path to the file or directory (this can be multi-part, not just name).
    `dirProps` - the base md properties for file (this should be a clone this method can modify as needed).
  Throws:
    `SQLException` - thrown on a database error.

### error

    public void error(String mesg)

  Deprecated.
  Output an error message.

### error

    public void error(String mesg,
                      Throwable ex)

  Deprecated.
  Output an error message.

  Subclasses can override this method to change where messages go.

### finalize

    protected void finalize()
                     throws Throwable

  Deprecated.
  Called when this to be finialized.

  Throws:
    `Throwable`

### fixPath

    public String fixPath(String path)

  Deprecated.
  Fix up a path to be forward-slash style and to not have empty path parts.

### fixString

    public static String fixString(String in)

  Deprecated.
  Fix empty strings to be nulls.

### fixString

    public String fixString(String in,
                            String tableName,
                            String colName)

  Deprecated.
  Fix up strings to check potentionally truncate too large values.

### getLoaderFilterProperties

    public Properties getLoaderFilterProperties(File f,
                                                Properties p)

  Deprecated.
  Get the properties from the BulkLoader's LoaderFilters for the given file.

  Parameters:
    `f` - the file.
    `p` - the properties object to add to (null to create new one).
  Returns:
    p.

### getMetadataProperties

    public Properties getMetadataProperties(File base,
                                            Properties p)
                                     throws IOException

  Deprecated.
  Get the metadata properties for the given file or directory.

  This does not do a META data parse.

  Parameters:
    `base` - the file or directory base path.
    `p` - the properties to load into (null to create new).
  Returns:
    the properties (p if p was not null).
  Throws:
    `IOException` - on an error reading the properties file.

### getPropertyForColumn

    public String getPropertyForColumn(String colName,
                                       Properties p)

  Deprecated.
  Get the property value for the specified additional column name.

  This will loop over the property names mapped to the column name and return the first found value in the properties.

### go

    public void go()
            throws SQLException,
                   IOException

  Deprecated.
  Let the bulkloader go.

  Throws:
    `SQLException` - if the load/cleanup fails.
    `IOException` - if printing the schema fails.

### initialize

    public void initialize()
                    throws SQLException,
                           IllegalStateException

  Deprecated.
  Initialize the bulkloader from the current state.

  This calls `setJDBCInfo()` and then creates a JDBC connection. It additinal configures any known column size limitations and constructs any SQL statements it needs to.

  Throws:
    `SQLException` - thrown on an error connecting to the database.
    `IllegalStateException` - thrown on an initialization error.
  See Also:
    `setJDBCInfo()`

### insertDoc

    public int insertDoc(String path,
                         File f,
                         Properties p,
                         String mimeType)
                  throws SQLException

  Deprecated.
  Update or insert a document and metadata into the database.

  Parameters:
    `path` - the document path id.
    `f` - the file of the document (can be null).
    `p` - the implicit properties.
    `mimeType` - the preferred mime type of the document (null for default).
  Returns:
    number of documents inserted
  Throws:
    `SQLException` - thrown on a database error.

### isHidden

    public static boolean isHidden(File f)

  Deprecated.
  Check if the specified file is a hidden file.

  Under UNIX, the File.isHidden() reports that "/weblogicCommerce/dmsBase/." is a hidden file, which it is not. So, this fixes that problem by getting canonicals paths for directories before calling isHidden(). That seems to do the trick.

### isHtmlFile

    public boolean isHtmlFile(String name)

  Deprecated.
  Tell if the specified file name is an HTML file to the loader.

### isReadableDirectory

    public static boolean isReadableDirectory(String name)

  Deprecated.
  Check if the specified file name is a directory that we can get into.

### loadPropertyColumnInfo

    public void loadPropertyColumnInfo(Properties p)

  Deprecated.
  Load the set of jdbc.column.<columnName>=propName,... properties into our property to column information.

### main

    public static int main(BulkLoader loader,
                           String[] args)

  Deprecated.
  The main method invoked on a BulkLoader instance.

  This will take a BulkLoader through the bulk loading steps. Output will be sent via the BulkLoader's `debug()`, `warning()`, and `error()` methods.

  This will not call System.exit().

  Parameters:
    `args` - the command-line args.
  Returns:
    the exit code (0 for success, non-zero for failure).
  See Also:
    `parseArgs(java.lang.String[])`, `validateArgs()`, `initialize()`, `go()`, `commit()`

### main

    public static void main(String[] args)

  Deprecated.
  Command-line entry point.

  This will call System.exit() on invalid args or error. To invoke a bulk load from your own code, create and manipulate a BulkLoader object. You can use the other main method, which does not exit.

  Parameters:
    `args` - the command-line args.
  See Also:
    `main(BulkLoader, String[])`

### parseArgs

    public void parseArgs(String[] args)
                   throws IllegalArgumentException

  Deprecated.
  Parse the given input arguments.

  Parameters:
    `args` - the input arguments.
  Throws:
    `BulkLoader.ShowUsageException` - thrown if the caller should show a usage report.
    `IllegalArgumentException` - thrown on bad arguments.

### printSchema

    public void printSchema()
                     throws IOException

  Deprecated.
  Print the schema xml for all the metadata we've loaded so far.

  Throws:
    `IOException` - thrown on an error outputting the schema xml.

### printSchema

    public void printSchema(PrintWriter out,
                            String enc)
                     throws IOException

  Deprecated.
  Print the schema xml for all the metadata we've loaded so far to the given output stream.

  Parameters:
    `out` - the output stream.
    `enc` - the file encoding (will go in xml head if not null).
  Throws:
    `IOException` - thrown on an I/O error.

### rollback

    public void rollback()

  Deprecated.
  Rollback the transaction.

### setJDBCInfo

    protected void setJDBCInfo()
                        throws IllegalStateException

  Deprecated.
  Set the jdbc connection url and properties from the current weblogic.properties file.

  Throws:
    `IllegalStateException` - thrown if we cannot get the information.

### shouldIgnore

    public boolean shouldIgnore(String name)

  Deprecated.
  Tell if the loader should ignore the specified file name.

### shouldInclude

    public boolean shouldInclude(String name)

  Deprecated.
  Tell if the loader should include the specified file name.

### shutdown

    public void shutdown()

  Deprecated.
  Shutdown this bulk loader.

### split

    public static List split(String str,
                             String on)

  Deprecated.
  Split a delimited list into a List.

### splitToProperties

    public static Properties splitToProperties(String str,
                                               String on)

  Deprecated.
  Split a WLS connection pool style string in a Properties object of the name=value pairs.

### usage

    public void usage(PrintStream out)

  Deprecated.
  Print the usage of the application.

### usage

    public void usage(PrintWriter out)

  Deprecated.
  Print the usage of the application.

### validateArgs

    public void validateArgs()
                      throws IllegalStateException

  Deprecated.
  Validate that we have been passed correct arguments.

  This does not validate that the arguments are valid. That will be done in initialize().

  Throws:
    `IllegalStateException`

### warning

    public void warning(String mesg)

  Deprecated.
  Output a warning message.

### warning

    public void warning(String mesg,
                        Throwable ex)

  Deprecated.
  Output a warning message.

  Subclasses can override this method to change where messages go.

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