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litesoft / trunk / Java / core / Server / src / org / litesoft / textfiledirectory / TextFileDirectoryMemory.java
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package org.litesoft.textfiledirectory; import java.util.*; import org.litesoft.core.annotations.*; import org.litesoft.core.simpletypes.*; import org.litesoft.core.typeutils.*; import org.litesoft.core.util.*; public class TextFileDirectoryMemory extends AbstractTextFileDirectory { public static final String DEFAULT_DIRECTORY = "TheOne"; private final Map<String, TextFile> mFiles = new HashMap<String, TextFile>(); private final String mDirectory; private boolean mExists; public TextFileDirectoryMemory( String pDirectory, boolean pExists ) { mDirectory = UtilsCommon.assertNotNullNotEmpty( "Directory", pDirectory ); mExists = pExists; } public TextFileDirectoryMemory( String pDirectory ) { this( pDirectory, true ); } public TextFileDirectoryMemory( boolean pExists ) { this( DEFAULT_DIRECTORY, pExists ); } public TextFileDirectoryMemory() { this( true ); } @Override public String getDirectoryPath() { return mDirectory; } @Override public boolean exists() { return mExists; } @Override public String[] getFiles( String... pExtensions ) { String[] zExtensions = preprocessExtensions( pExtensions ); if ( mFiles.isEmpty() ) { return Strings.EMPTY_ARRAY; } if ( zExtensions.length == 0 ) { return mFiles.keySet().toArray( new String[mFiles.size()] ); } List<String> zFound = new ArrayList<String>( mFiles.size() ); for ( String zFileName : mFiles.keySet() ) { if ( endsWithOneOf( zFileName, zExtensions ) ) { zFound.add( zFileName ); } } Collections.sort( zFound ); return zFound.toArray( new String[zFound.size()] ); } private boolean endsWithOneOf( String pFileName, String[] pExtensions ) { for ( String zExtension : pExtensions ) { if ( pFileName.endsWith( zExtension ) ) { return true; } } return false; } @Override public TextFile load( @NotNull String pFileName ) throws FileDoesNotExists { return mFiles.get( assertExists( UtilsCommon.assertNotNullNotEmpty( "FileName", pFileName ) ) ); } @Override public void create( @NotNull TextFile pFile ) throws FileAlreadExists { write( assertNotExist( getFile( pFile ) ), pFile ); } @Override public void update( @NotNull TextFile pFile ) throws FileDoesNotExists { write( assertExists( getFile( pFile ) ), pFile ); } @Override public void delete( @NotNull TextFile pFile ) throws FileDoesNotExists { LLdelete( getFile( pFile ) ); } @Override public void delete( @NotNull String pFileName ) throws FileDoesNotExists { LLdelete( UtilsCommon.assertNotNullNotEmpty( "FileName", pFileName ) ); } private void write( String pFileName, TextFile pTextFile ) { mFiles.put( pFileName, pTextFile ); mExists = true; } private void LLdelete( String pFileName ) { mFiles.remove( assertExists( pFileName ) ); mExists = true; } private String assertExists( String pFileName ) { assertExists( mFiles.containsKey( pFileName ), pFileName ); return pFileName; } private String assertNotExist( String pFileName ) { assertNotExists( mFiles.containsKey( pFileName ), pFileName ); return pFileName; } private String getFile( TextFile pFile ) { return Objects.assertNotNull( "File", pFile ).getFileName(); } } |