DbAdapterInfo.java example

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cayenne-master
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package org.apache.cayenne.modeler.util;

import java.awt.Component;
import java.util.Collections;
import java.util.Map;
import java.util.TreeMap;

import javax.swing.DefaultListCellRenderer;
import javax.swing.JList;
import javax.swing.ListCellRenderer;

import org.apache.cayenne.dba.JdbcAdapter;
import org.apache.cayenne.dba.db2.DB2Adapter;
import org.apache.cayenne.dba.derby.DerbyAdapter;
import org.apache.cayenne.dba.firebird.FirebirdAdapter;
import org.apache.cayenne.dba.frontbase.FrontBaseAdapter;
import org.apache.cayenne.dba.h2.H2Adapter;
import org.apache.cayenne.dba.hsqldb.HSQLDBAdapter;
import org.apache.cayenne.dba.ingres.IngresAdapter;
import org.apache.cayenne.dba.mysql.MySQLAdapter;
import org.apache.cayenne.dba.openbase.OpenBaseAdapter;
import org.apache.cayenne.dba.oracle.OracleAdapter;
import org.apache.cayenne.dba.postgres.PostgresAdapter;
import org.apache.cayenne.dba.sqlite.SQLiteAdapter;
import org.apache.cayenne.dba.sqlserver.SQLServerAdapter;
import org.apache.cayenne.dba.sybase.SybaseAdapter;

public final class DbAdapterInfo {

    private static final Map<String, String> DEFAULT_ADAPTER_LABELS = new TreeMap<String, String>();
    private static final String[] standardAdapters = new String[] { JdbcAdapter.class.getName(),
            MySQLAdapter.class.getName(), OracleAdapter.class.getName(), SybaseAdapter.class.getName(),
            PostgresAdapter.class.getName(), H2Adapter.class.getName(), HSQLDBAdapter.class.getName(),
            DB2Adapter.class.getName(), SQLServerAdapter.class.getName(), FrontBaseAdapter.class.getName(),
            FirebirdAdapter.class.getName(), OpenBaseAdapter.class.getName(), DerbyAdapter.class.getName(),
            IngresAdapter.class.getName(), SQLiteAdapter.class.getName() };

    private static final Map<String, String> IMMUTABLE_LABELS = Collections.unmodifiableMap(DEFAULT_ADAPTER_LABELS);

    static {
        DEFAULT_ADAPTER_LABELS.put(JdbcAdapter.class.getName(), "Generic JDBC Adapter");
        DEFAULT_ADAPTER_LABELS.put(OracleAdapter.class.getName(), "Oracle Adapter");
        DEFAULT_ADAPTER_LABELS.put(MySQLAdapter.class.getName(), "MySQL Adapter");
        DEFAULT_ADAPTER_LABELS.put(SybaseAdapter.class.getName(), "Sybase Adapter");
        DEFAULT_ADAPTER_LABELS.put(PostgresAdapter.class.getName(), "PostgreSQL Adapter");
        DEFAULT_ADAPTER_LABELS.put(HSQLDBAdapter.class.getName(), "HypersonicDB Adapter");
        DEFAULT_ADAPTER_LABELS.put(H2Adapter.class.getName(), " H2 Database Adapter");
        DEFAULT_ADAPTER_LABELS.put(DB2Adapter.class.getName(), "DB2 Adapter");
        DEFAULT_ADAPTER_LABELS.put(SQLServerAdapter.class.getName(), "MS SQLServer Adapter");
        DEFAULT_ADAPTER_LABELS.put(FrontBaseAdapter.class.getName(), "FrontBase Adapter");
        DEFAULT_ADAPTER_LABELS.put(FirebirdAdapter.class.getName(), "Firebird Adapter");
        DEFAULT_ADAPTER_LABELS.put(OpenBaseAdapter.class.getName(), "OpenBase Adapter");
        DEFAULT_ADAPTER_LABELS.put(DerbyAdapter.class.getName(), "Derby Adapter");
        DEFAULT_ADAPTER_LABELS.put(IngresAdapter.class.getName(), "Ingres Adapter");
        DEFAULT_ADAPTER_LABELS.put(SQLiteAdapter.class.getName(), "SQLite Adapter");
    }

    public static Map getStandardAdapterLabels() {
        return IMMUTABLE_LABELS;
    }

    public static ListCellRenderer getListRenderer() {
        return new DbAdapterListRenderer(DEFAULT_ADAPTER_LABELS);
    }

    public static String[] getStandardAdapters() {
        return standardAdapters;
    }

    static final class DbAdapterListRenderer extends DefaultListCellRenderer {

        Map adapterLabels;

        DbAdapterListRenderer(Map adapterLabels) {
            this.adapterLabels = (adapterLabels != null) ? adapterLabels : Collections.EMPTY_MAP;
        }

        public Component getListCellRendererComponent(JList list, Object object, int index, boolean arg3, boolean arg4) {

            if (object instanceof Class) {
                object = ((Class<?>) object).getName();
            }

            Object label = adapterLabels.get(object);
            if (label == null) {
                label = object;
            }

            return super.getListCellRendererComponent(list, label, index, arg3, arg4);
        }
    }
}