AOO410/main/scripting/examples/java/Newsgroup/SubscribedNewsgroups.java - openoffice - Git at Google

 /**************************************************************
  *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
  * regarding copyright ownership.  The ASF licenses this file
  * to you 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.
  *
  *************************************************************/

 import java.io.*;
 import java.util.Vector;


 public class SubscribedNewsgroups {


 	private static NewsGroup[] allSubscribed = null;
 	private static boolean windows = false;

 	public static void main( String[] args ) {
 		// Test the class
 		SubscribedNewsgroups subscribed = new SubscribedNewsgroups();

 		NewsGroup allGroups[] = subscribed.getNewsGroups();

 		if( allGroups == null )
 		{
 			System.out.println("Could not find subscribed newsgroups from mozilla/netscape mailrc files");
 		}
 		else
 		{
 			for( int i=0; i < allGroups.length; i++ )
 			{
 				System.out.println( "Hostname is: " + allGroups[i].getHostName() + " Newsgroup is: " + allGroups[i].getNewsgroupName() );
 			}
 		}
 	}


 	// Only public method of the class
 	// Returns and array of unique NewsGroup objects
 	public NewsGroup[] getNewsGroups()
 	{
 		windows = false;
 		if( System.getProperty( "os.name" ).indexOf( "Windows" ) != -1 )
 		{
 			windows = true;
 		}

 		String mozillaHome = "";
 		if( windows )
 		{
 			mozillaHome = System.getProperty( "user.home" ) + System.getProperty( "file.separator" ) + "Application Data" + System.getProperty( "file.separator" ) + "Mozilla" + System.getProperty( "file.separator" ) + "Profiles";
 			//System.out.println( "Windows mozilla path: " + mozillaHome );
 		}
 		else
 		{
 			mozillaHome = System.getProperty( "user.home" ) + System.getProperty( "file.separator" ) + ".mozilla";
 			//System.out.println( "Unix/Linux mozilla path: " + mozillaHome );
 		}
 		if( !new File( mozillaHome ).isDirectory() )
 		{
 			//System.out.println("Could not find .mozilla directory");
 			return null;
 		}
 		//System.out.println(".mozilla directory found");

 		// Get all the profiles belonging to the user
 		File profiles[] = findProfiles( new File ( mozillaHome ) );
 		if( profiles.length < 1 )
 		{
 			//System.out.println("Could not find Profiles");
 			return null;
 		}
 		//System.out.println("Profiles found");

 		// Get the News directory for each profile
 		File allNewsDirs[] = new File[ profiles.length ];
 		for( int i=0; i < profiles.length; i++ ) {
 			File newsDir = findNewsDir( profiles[i] );
 			allNewsDirs[i] = newsDir;
 			//System.out.println( "News is at: " + newsDir.getPath() );
 		}
 		// Check that at least one News directory exists and remove nulls
 		boolean newsFound = false;
 		//Vector nonNullNews = new Vector();
 		for( int i=0; i < allNewsDirs.length; i++ ) {
 			if( allNewsDirs[i] != null ) {
 				newsFound = true;
 				break;
 			}
 		}
 		if( !newsFound )
 		{
 			//System.out.println("Could not find News directory");
 			return null;
 		}
 		//System.out.println("News directory found");

 		// Get all the mailrc files for each News directory
 		File allMailrcs[] = findMailrcFiles( allNewsDirs );
 		if( allMailrcs == null )
 		{
 			//System.out.println("Could not find mailrc files");
 			return null;
 		}
 		//System.out.println("mailrc files found");

 		Vector subscribed = new Vector();
 		// Get the newsgroups in each mailrc file
 		for( int i=0; i < allMailrcs.length; i++ )
 		{
 			File mailrc = (File) allMailrcs[i];
 			NewsGroup newsgroup[] = findNewsgroups( mailrc );
 			//if the Newsgroup has not already been added to the list
 			for( int j=0; j < newsgroup.length; j++ )
 			{
 				// if newsgroup is unique then add to the list
 				if( !listed( newsgroup[j], subscribed ) )
 				{
 					subscribed.addElement( newsgroup[j] );
 				}
 			}
 		}

 		// Copy all unique Newsgroups into the global array
 		allSubscribed = new NewsGroup[ subscribed.size() ];
 		subscribed.copyInto( allSubscribed );
 		// Test that at least one subscribed newsgroup has been found
 		if( allSubscribed.length < 1 )
 		{
 			//System.out.println("Could not find Subscribed newsgroups ");
 			return null;
 		}
 		//System.out.println("Subscribed newsgroups found");

 		return allSubscribed;
 	}


 	// Tests if the NewsGroup object has already been listed by another mailrc file
 	private static boolean listed( NewsGroup newsgroup, Vector uniqueSubscription )
 	{
 		for(int i=0; i < uniqueSubscription.size(); i++)
 		{
 			NewsGroup tempGroup = (NewsGroup) uniqueSubscription.elementAt(i);
 			// Test for duplication
 			if(newsgroup.getHostName().equalsIgnoreCase( tempGroup.getHostName()) &&
 			   newsgroup.getNewsgroupName().equalsIgnoreCase( tempGroup.getNewsgroupName() ) )
 				return true;
 		}
 		return false;
 	}


 	// Finds all the NewsGroups in an individual mailrc file
 	private static NewsGroup[] findNewsgroups(File mailrcfile )
 	{

 		String hostname = "";
 		String newsgroup = "";
 		NewsGroup mailrcNewsGroups[] = null;

 		//Retrieve name of news host/server from file name
 		//Sequentially access each of the newsgroups
 		//If the newsgroup is not already contained in the global NewsGroup[] array then add it

 		String filename = mailrcfile.getPath();
 		if( windows )
 		{
 			// Windows format "staroffice-news.germany.sun.com.rc"
 			int hostNameStart = filename.lastIndexOf("\\") + 1;
 			int hostNameEnd = filename.indexOf(".rc");
 			hostname = filename.substring( hostNameStart, hostNameEnd );
 		}
 		else
 		{
 			// Unix/Linux format "newsrc-staroffice-news.germany.sun.com"
 			int hostNameStart = filename.lastIndexOf("newsrc-") + 7;
 			hostname = filename.substring( hostNameStart, filename.length() );
 		}

 		// Assumes the content format in Window is the same as Unix/Linux (unknown at the moment)
 		// i.e. a list of newsgroups each ending with a ":"
 		LineNumberReader in = null;
 		try {
 			in = new LineNumberReader( new FileReader( mailrcfile ) );
 			Vector groups = new Vector();
 			String inString = "";
 			int line = 0;
 			while( inString != null )
 			{
 				in.setLineNumber( line );
 				inString = in.readLine();
 				line++;
 				if( inString != null )
 				{
 					int newsgroupEnd = inString.indexOf(":");
 					newsgroup = inString.substring( 0, newsgroupEnd );
 					NewsGroup group = new NewsGroup( hostname, newsgroup );
 					groups.addElement( group );
 				}
 			}
 			mailrcNewsGroups = new NewsGroup[ groups.size() ];
 			groups.copyInto(mailrcNewsGroups);
 			in.close();
 		}
 		catch( IOException ioe ) {
 			ioe.printStackTrace();
 		}

 		return mailrcNewsGroups;
 	}


 	// Finds all the mailrc files for all the given News directories
 	private static File[] findMailrcFiles(File[] newsDirs)
 	{
 		Vector allFiles = new Vector();

 		for( int i=0; i < newsDirs.length; i++ )
 		{
 			//System.out.println( "Finding mailrc for: " + newsDirs[i] );
 			if( newsDirs[i] != null )
 			{
 				File mailrcFiles[] = newsDirs[i].listFiles( new VersionFilter() );
 				if( mailrcFiles != null )
 				{
 					//System.out.println( "Number found: " + mailrcFiles.length );
 					for( int j=0; j < mailrcFiles.length; j++ )
 					{
 						//System.out.println( "This mailrc was found: " + mailrcFiles[j] );
 						allFiles.addElement( mailrcFiles[j] );
 					}
 				}
 			}
 		}
 		File allMailrcFiles[] = new File[ allFiles.size() ];
 		allFiles.copyInto(allMailrcFiles);

 		//System.out.println( "number of mailrcs in total: " + allMailrcFiles.length );

 		if( allMailrcFiles.length == 0 ) {
 			//System.out.println( "Returning null");
 			return null;
 		}

 		//System.out.println( "Returning an File array containing mailrcs");
 		return allMailrcFiles;
 	}


 	// Finds all profiles belonging to one user (can be more than one)
 	private static File[] findProfiles(File start)
 	{
 		// Get all files and directories in .mozilla
 		File allFiles[] = start.listFiles();
 		File[] dirs = new File[allFiles.length];
 		int dirCounter = 0;

 		// Remove files leaving directories only
 		for(int i=0; i < allFiles.length; i++ )
 		{
 			if(allFiles[i].isDirectory())
 			{
 				dirs[dirCounter] = allFiles[i];
 				dirCounter++;
 			}
 		}

 		// Add each directory to a user profile array
 		File[] profileDirs = new File[dirCounter];
 		for( int i=0; i < dirCounter; i++ )
 		{
 			profileDirs[i] = dirs[i];
 		}

 		// return a File array containing the profile dirs
 		return profileDirs;
 	}


 	// Recursively searches for the News directory for a given profile directory
         private static File findNewsDir(File start)
         {
                 File mailrcFile = null;

 		// File array containing all matches for the version filter ("News")
                 File files[] = start.listFiles(new VersionFilter());
 		// If the array is empty then no matches were found
                 if (files.length == 0)
                 {
 			// File array of all the directories in File start
                         File dirs[] = start.listFiles(new DirFilter());
 			// for each of the directories check for a match
                         for (int i=0; i< dirs.length; i++)
                         {
                                 mailrcFile = findNewsDir(dirs[i]);
                                 if (mailrcFile != null)
                                 {
 					// break the for loop
                                         break;
                                 }
                         }
                 }
                 else
 		{
 			// end recursion
 			// Check for a News directory inside the News directory (fix for bug)
 			// Original solution had only "mailrcFile = files[0];"

 			boolean noChildNews = true;
 			File checkChildNewsDirs[] = files[0].listFiles(new VersionFilter());
 			if( checkChildNewsDirs != null )
 			{
 				for( int i=0; i < checkChildNewsDirs.length; i++ )
 				{
 					if( checkChildNewsDirs[i].getName().equals( "News" ) )
 					{
 						noChildNews = false;
 						break;
 					}
 				}
 			}

 			if( noChildNews )
 			{
        				mailrcFile = files[0];
 			}
 			else
 			{
 				String childNewsPathName = files[0].getAbsolutePath() + System.getProperty( "file.separator" ) + "News";
 				mailrcFile = new File( childNewsPathName );
 			}

 		}

 		// return a File representing the News dir in a profile
                 return mailrcFile;
 	}
 }


 class DirFilter implements FileFilter
 {
         public boolean accept(File aFile)
         {
                 return aFile.isDirectory();
         }
 }


 class VersionFilter implements FileFilter
 {
         public boolean accept(File aFile)
         {
 		if( System.getProperty( "os.name" ).indexOf( "Windows" ) != -1 )
 		{
 			if (aFile.getName().compareToIgnoreCase("News") == 0 ||
 			aFile.getName().indexOf(".rc") != -1 )
 			{
 				return true;
 			}
 		}
 		else
 		{
 			if (aFile.getName().compareToIgnoreCase("News") == 0 ||
 			aFile.getName().indexOf("newsrc") != -1 )
 			{
 				return true;
 			}
 		}

                 return false;
         }
 }
	/**************************************************************
	*
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you 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.
	*
	*************************************************************/

	import java.io.*;
	import java.util.Vector;


	public class SubscribedNewsgroups {


	private static NewsGroup[] allSubscribed = null;
	private static boolean windows = false;

	public static void main( String[] args ) {
	// Test the class
	SubscribedNewsgroups subscribed = new SubscribedNewsgroups();

	NewsGroup allGroups[] = subscribed.getNewsGroups();

	if( allGroups == null )
	{
	System.out.println("Could not find subscribed newsgroups from mozilla/netscape mailrc files");
	}
	else
	{
	for( int i=0; i < allGroups.length; i++ )
	{
	System.out.println( "Hostname is: " + allGroups[i].getHostName() + " Newsgroup is: " + allGroups[i].getNewsgroupName() );
	}
	}
	}



	// Only public method of the class
	// Returns and array of unique NewsGroup objects
	public NewsGroup[] getNewsGroups()
	{
	windows = false;
	if( System.getProperty( "os.name" ).indexOf( "Windows" ) != -1 )
	{
	windows = true;
	}

	String mozillaHome = "";
	if( windows )
	{
	mozillaHome = System.getProperty( "user.home" ) + System.getProperty( "file.separator" ) + "Application Data" + System.getProperty( "file.separator" ) + "Mozilla" + System.getProperty( "file.separator" ) + "Profiles";
	//System.out.println( "Windows mozilla path: " + mozillaHome );
	}
	else
	{
	mozillaHome = System.getProperty( "user.home" ) + System.getProperty( "file.separator" ) + ".mozilla";
	//System.out.println( "Unix/Linux mozilla path: " + mozillaHome );
	}
	if( !new File( mozillaHome ).isDirectory() )
	{
	//System.out.println("Could not find .mozilla directory");
	return null;
	}
	//System.out.println(".mozilla directory found");

	// Get all the profiles belonging to the user
	File profiles[] = findProfiles( new File ( mozillaHome ) );
	if( profiles.length < 1 )
	{
	//System.out.println("Could not find Profiles");
	return null;
	}
	//System.out.println("Profiles found");

	// Get the News directory for each profile
	File allNewsDirs[] = new File[ profiles.length ];
	for( int i=0; i < profiles.length; i++ ) {
	File newsDir = findNewsDir( profiles[i] );
	allNewsDirs[i] = newsDir;
	//System.out.println( "News is at: " + newsDir.getPath() );
	}
	// Check that at least one News directory exists and remove nulls
	boolean newsFound = false;
	//Vector nonNullNews = new Vector();
	for( int i=0; i < allNewsDirs.length; i++ ) {
	if( allNewsDirs[i] != null ) {
	newsFound = true;
	break;
	}
	}
	if( !newsFound )
	{
	//System.out.println("Could not find News directory");
	return null;
	}
	//System.out.println("News directory found");

	// Get all the mailrc files for each News directory
	File allMailrcs[] = findMailrcFiles( allNewsDirs );
	if( allMailrcs == null )
	{
	//System.out.println("Could not find mailrc files");
	return null;
	}
	//System.out.println("mailrc files found");

	Vector subscribed = new Vector();
	// Get the newsgroups in each mailrc file
	for( int i=0; i < allMailrcs.length; i++ )
	{
	File mailrc = (File) allMailrcs[i];
	NewsGroup newsgroup[] = findNewsgroups( mailrc );
	//if the Newsgroup has not already been added to the list
	for( int j=0; j < newsgroup.length; j++ )
	{
	// if newsgroup is unique then add to the list
	if( !listed( newsgroup[j], subscribed ) )
	{
	subscribed.addElement( newsgroup[j] );
	}
	}
	}

	// Copy all unique Newsgroups into the global array
	allSubscribed = new NewsGroup[ subscribed.size() ];
	subscribed.copyInto( allSubscribed );
	// Test that at least one subscribed newsgroup has been found
	if( allSubscribed.length < 1 )
	{
	//System.out.println("Could not find Subscribed newsgroups ");
	return null;
	}
	//System.out.println("Subscribed newsgroups found");

	return allSubscribed;
	}




	// Tests if the NewsGroup object has already been listed by another mailrc file
	private static boolean listed( NewsGroup newsgroup, Vector uniqueSubscription )
	{
	for(int i=0; i < uniqueSubscription.size(); i++)
	{
	NewsGroup tempGroup = (NewsGroup) uniqueSubscription.elementAt(i);
	// Test for duplication
	if(newsgroup.getHostName().equalsIgnoreCase( tempGroup.getHostName()) &&
	newsgroup.getNewsgroupName().equalsIgnoreCase( tempGroup.getNewsgroupName() ) )
	return true;
	}
	return false;
	}




	// Finds all the NewsGroups in an individual mailrc file
	private static NewsGroup[] findNewsgroups(File mailrcfile )
	{

	String hostname = "";
	String newsgroup = "";
	NewsGroup mailrcNewsGroups[] = null;

	//Retrieve name of news host/server from file name
	//Sequentially access each of the newsgroups
	//If the newsgroup is not already contained in the global NewsGroup[] array then add it

	String filename = mailrcfile.getPath();
	if( windows )
	{
	// Windows format "staroffice-news.germany.sun.com.rc"
	int hostNameStart = filename.lastIndexOf("\\") + 1;
	int hostNameEnd = filename.indexOf(".rc");
	hostname = filename.substring( hostNameStart, hostNameEnd );
	}
	else
	{
	// Unix/Linux format "newsrc-staroffice-news.germany.sun.com"
	int hostNameStart = filename.lastIndexOf("newsrc-") + 7;
	hostname = filename.substring( hostNameStart, filename.length() );
	}

	// Assumes the content format in Window is the same as Unix/Linux (unknown at the moment)
	// i.e. a list of newsgroups each ending with a ":"
	LineNumberReader in = null;
	try {
	in = new LineNumberReader( new FileReader( mailrcfile ) );
	Vector groups = new Vector();
	String inString = "";
	int line = 0;
	while( inString != null )
	{
	in.setLineNumber( line );
	inString = in.readLine();
	line++;
	if( inString != null )
	{
	int newsgroupEnd = inString.indexOf(":");
	newsgroup = inString.substring( 0, newsgroupEnd );
	NewsGroup group = new NewsGroup( hostname, newsgroup );
	groups.addElement( group );
	}
	}
	mailrcNewsGroups = new NewsGroup[ groups.size() ];
	groups.copyInto(mailrcNewsGroups);
	in.close();
	}
	catch( IOException ioe ) {
	ioe.printStackTrace();
	}

	return mailrcNewsGroups;
	}


	// Finds all the mailrc files for all the given News directories
	private static File[] findMailrcFiles(File[] newsDirs)
	{
	Vector allFiles = new Vector();

	for( int i=0; i < newsDirs.length; i++ )
	{
	//System.out.println( "Finding mailrc for: " + newsDirs[i] );
	if( newsDirs[i] != null )
	{
	File mailrcFiles[] = newsDirs[i].listFiles( new VersionFilter() );
	if( mailrcFiles != null )
	{
	//System.out.println( "Number found: " + mailrcFiles.length );
	for( int j=0; j < mailrcFiles.length; j++ )
	{
	//System.out.println( "This mailrc was found: " + mailrcFiles[j] );
	allFiles.addElement( mailrcFiles[j] );
	}
	}
	}
	}
	File allMailrcFiles[] = new File[ allFiles.size() ];
	allFiles.copyInto(allMailrcFiles);

	//System.out.println( "number of mailrcs in total: " + allMailrcFiles.length );

	if( allMailrcFiles.length == 0 ) {
	//System.out.println( "Returning null");
	return null;
	}

	//System.out.println( "Returning an File array containing mailrcs");
	return allMailrcFiles;
	}


	// Finds all profiles belonging to one user (can be more than one)
	private static File[] findProfiles(File start)
	{
	// Get all files and directories in .mozilla
	File allFiles[] = start.listFiles();
	File[] dirs = new File[allFiles.length];
	int dirCounter = 0;

	// Remove files leaving directories only
	for(int i=0; i < allFiles.length; i++ )
	{
	if(allFiles[i].isDirectory())
	{
	dirs[dirCounter] = allFiles[i];
	dirCounter++;
	}
	}

	// Add each directory to a user profile array
	File[] profileDirs = new File[dirCounter];
	for( int i=0; i < dirCounter; i++ )
	{
	profileDirs[i] = dirs[i];
	}

	// return a File array containing the profile dirs
	return profileDirs;
	}


	// Recursively searches for the News directory for a given profile directory
	private static File findNewsDir(File start)
	{
	File mailrcFile = null;

	// File array containing all matches for the version filter ("News")
	File files[] = start.listFiles(new VersionFilter());
	// If the array is empty then no matches were found
	if (files.length == 0)
	{
	// File array of all the directories in File start
	File dirs[] = start.listFiles(new DirFilter());
	// for each of the directories check for a match
	for (int i=0; i< dirs.length; i++)
	{
	mailrcFile = findNewsDir(dirs[i]);
	if (mailrcFile != null)
	{
	// break the for loop
	break;
	}
	}
	}
	else
	{
	// end recursion
	// Check for a News directory inside the News directory (fix for bug)
	// Original solution had only "mailrcFile = files[0];"

	boolean noChildNews = true;
	File checkChildNewsDirs[] = files[0].listFiles(new VersionFilter());
	if( checkChildNewsDirs != null )
	{
	for( int i=0; i < checkChildNewsDirs.length; i++ )
	{
	if( checkChildNewsDirs[i].getName().equals( "News" ) )
	{
	noChildNews = false;
	break;
	}
	}
	}

	if( noChildNews )
	{
	mailrcFile = files[0];
	}
	else
	{
	String childNewsPathName = files[0].getAbsolutePath() + System.getProperty( "file.separator" ) + "News";
	mailrcFile = new File( childNewsPathName );
	}

	}

	// return a File representing the News dir in a profile
	return mailrcFile;
	}
	}



	class DirFilter implements FileFilter
	{
	public boolean accept(File aFile)
	{
	return aFile.isDirectory();
	}
	}


	class VersionFilter implements FileFilter
	{
	public boolean accept(File aFile)
	{
	if( System.getProperty( "os.name" ).indexOf( "Windows" ) != -1 )
	{
	if (aFile.getName().compareToIgnoreCase("News") == 0 \|\|
	aFile.getName().indexOf(".rc") != -1 )
	{
	return true;
	}
	}
	else
	{
	if (aFile.getName().compareToIgnoreCase("News") == 0 \|\|
	aFile.getName().indexOf("newsrc") != -1 )
	{
	return true;
	}
	}

	return false;
	}
	}