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97 lines
2.5 KiB
97 lines
2.5 KiB
/*
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* NoticiasDataProvider.java
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*
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* Created on 24 de Maio de 2005, 15:39
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*/
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package siprp.clientes;
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import com.evolute.utils.*;
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import com.evolute.utils.arrays.*;
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import com.evolute.utils.data.*;
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import com.evolute.utils.db.*;
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import com.evolute.utils.metadb.*;
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import com.evolute.utils.ui.search.*;
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import com.evolute.utils.sql.*;
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import siprp.*;
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/**
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*
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* @author fpalma
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*/
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public class NoticiasDataProvider extends MetaProvider
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{
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private static final Object LOCK = new Object();
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private static NoticiasDataProvider instance = null;
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private final Executer executer;
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/** Creates a new instance of NoticiasDataProvider */
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public NoticiasDataProvider()
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throws Exception
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{
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boolean webAware = ( ( Boolean ) Singleton.getInstance( SingletonConstants.WEB_AWARE ) ).booleanValue();
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DBManager dbm;
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if( webAware )
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{
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String url = ( String ) Singleton.getInstance( SingletonConstants.WEB_URL_PREFIX );
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url += ( String ) Singleton.getInstance( SingletonConstants.WEB_URL ) + "/";
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url += ( String ) Singleton.getInstance( SingletonConstants.WEB_DB_NAME ) + "/";
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String user = ( String ) Singleton.getInstance( SingletonConstants.WEB_USER );
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String pwd = ( String ) Singleton.getInstance( SingletonConstants.WEB_PASSWORD );
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dbm = new JDBCManager( url, user, pwd, 10, 8, 8, null );
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executer = dbm.getSharedExecuter( this );
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}
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else
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{
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dbm = null;
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executer = null;
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}
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}
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public static MetaProvider getProvider()
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throws Exception
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{
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synchronized( LOCK )
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{
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if( instance == null )
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{
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instance = new NoticiasDataProvider();
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}
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}
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return instance;
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}
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public String getNoticias()
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throws Exception
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{
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Select subSelect =
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new Select( new String[]{ "not_noticias" },
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new String[]{ "MAX(id)" }, null );
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Select select =
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new Select( new String[]{ "not_noticias" },
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new String[]{ "noticia" },
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new Field( "id" ).isEqual( subSelect ) );
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Virtual2DArray array = executer.executeQuery( select );
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if( array.columnLength() == 0 || array.get( 0, 0 ) == null )
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{
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return "";
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}
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return array.get( 0, 0 ).toString().trim();
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}
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public void saveNoticias( String noticias )
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throws Exception
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{
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Insert insert =
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new Insert( "not_noticias",
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new Assignment[]{ new Assignment( new Field( "utilizador" ), Singleton.getInstance( Singleton.USERNAME ) ),
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new Assignment( new Field( "data" ), Singleton.getInstance( Singleton.TODAY ) ),
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new Assignment( new Field( "noticia" ), noticias.trim() ) } );
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executer.executeQuery( insert );
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}
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}
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