svn-gvsig-desktop / tags / v1_0_2_Build_903+3D / libraries / libFMap / src / com / iver / cit / gvsig / fmap / edition / writers / JdbcWriter.java @ 10722
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| 1 | 5634 | fjp | package com.iver.cit.gvsig.fmap.edition.writers; |
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| 2 | |||
| 3 | import java.sql.Connection; |
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| 4 | import java.sql.ResultSet; |
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| 5 | import java.sql.ResultSetMetaData; |
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| 6 | import java.sql.SQLException; |
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| 7 | |||
| 8 | import com.hardcode.gdbms.engine.values.Value; |
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| 9 | import com.iver.cit.gvsig.fmap.core.IRow; |
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| 10 | import com.iver.cit.gvsig.fmap.drivers.XTypes; |
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| 11 | import com.iver.cit.gvsig.fmap.edition.EditionException; |
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| 12 | import com.iver.cit.gvsig.fmap.edition.IRowEdited; |
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| 13 | |||
| 14 | public class JdbcWriter extends AbstractWriter { |
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| 15 | Connection conn;
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| 16 | ResultSet rs;
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| 17 | Value[] record;
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| 18 | int numRecord;
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| 19 | |||
| 20 | private boolean bCreateTable; |
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| 21 | |||
| 22 | private ResultSetMetaData metaData = null; |
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| 23 | |||
| 24 | public JdbcWriter(){
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| 25 | } |
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| 26 | public void initialize(Connection conn, ResultSet rs) throws SQLException{ |
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| 27 | this.conn = conn;
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| 28 | this.rs = rs;
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| 29 | metaData = rs.getMetaData(); |
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| 30 | 5690 | fjp | System.out.println("INICIO CONEXI?N DE ESCRITURA"); |
| 31 | 5634 | fjp | } |
| 32 | public void preProcess() throws EditionException { |
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| 33 | numRecord = 0;
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| 34 | try {
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| 35 | conn.setAutoCommit(false);
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| 36 | } catch (SQLException e) { |
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| 37 | e.printStackTrace(); |
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| 38 | throw new EditionException(e); |
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| 39 | } |
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| 40 | /* Statement st = conn.createStatement();
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| 41 | |||
| 42 | if (bCreateTable) {
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| 43 | try {
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| 44 | st.execute("DROP TABLE " + lyrDef.getTableName() + ";");
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| 45 | } catch (SQLException e1) {
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| 46 | // Si no existe la tabla, no hay que borrarla.
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| 47 | }
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| 48 | |||
| 49 | String sqlCreate = PostGIS.getSqlCreateSpatialTable(lyrDef,
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| 50 | lyrDef.getFieldsDesc(), true);
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| 51 | System.out.println("sqlCreate =" + sqlCreate);
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| 52 | st.execute(sqlCreate);
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| 53 | } */
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| 54 | |||
| 55 | } |
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| 56 | |||
| 57 | public void process(IRowEdited editedRow) throws EditionException { |
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| 58 | IRow row = (IRow) editedRow.getLinkedRow(); |
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| 59 | |||
| 60 | try {
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| 61 | System.out.println("Intento escribir el registro " + |
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| 62 | numRecord + " de la capa " + metaData.getTableName(1)); |
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| 63 | switch (editedRow.getStatus())
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| 64 | {
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| 65 | case IRowEdited.STATUS_ADDED:
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| 66 | record=row.getAttributes(); |
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| 67 | rs.moveToInsertRow(); |
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| 68 | for (int i=0; i < record.length; i++) |
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| 69 | XTypes.updateValue(rs, i, record[i]); |
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| 70 | rs.insertRow(); |
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| 71 | break;
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| 72 | case IRowEdited.STATUS_MODIFIED:
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| 73 | record=row.getAttributes(); |
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| 74 | rs.absolute(editedRow.getIndex()+1);
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| 75 | for (int i=0; i < record.length; i++) |
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| 76 | XTypes.updateValue(rs, i, record[i]); |
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| 77 | rs.updateRow(); |
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| 78 | break;
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| 79 | case IRowEdited.STATUS_ORIGINAL:
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| 80 | 5690 | fjp | if (bWriteAll)
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| 81 | {
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| 82 | record=row.getAttributes(); |
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| 83 | rs.moveToInsertRow(); |
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| 84 | for (int i=0; i < record.length; i++) |
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| 85 | XTypes.updateValue(rs, i, record[i]); |
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| 86 | rs.insertRow(); |
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| 87 | } |
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| 88 | 5634 | fjp | break;
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| 89 | case IRowEdited.STATUS_DELETED:
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| 90 | rs.absolute(editedRow.getIndex()+1);
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| 91 | rs.deleteRow(); |
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| 92 | break;
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| 93 | } |
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| 94 | numRecord++; |
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| 95 | rs.next(); |
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| 96 | |||
| 97 | } catch (SQLException e) { |
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| 98 | 5663 | fjp | System.out.println(e.getSQLState() + " " + e.getMessage()); |
| 99 | 5668 | fjp | try {
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| 100 | conn.rollback(); |
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| 101 | } catch (SQLException e1) { |
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| 102 | e1.printStackTrace(); |
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| 103 | throw new EditionException(e); |
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| 104 | } |
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| 105 | |||
| 106 | 5634 | fjp | throw new EditionException(e.getMessage(),e); |
| 107 | } |
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| 108 | |||
| 109 | } |
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| 110 | |||
| 111 | public void postProcess() throws EditionException { |
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| 112 | 5690 | fjp | try {
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| 113 | 5634 | fjp | conn.commit(); |
| 114 | } catch (SQLException e) { |
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| 115 | 5668 | fjp | try {
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| 116 | conn.rollback(); |
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| 117 | } catch (SQLException e1) { |
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| 118 | e1.printStackTrace(); |
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| 119 | throw new EditionException(e); |
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| 120 | } |
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| 121 | 5634 | fjp | e.printStackTrace(); |
| 122 | throw new EditionException(e); |
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| 123 | } |
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| 124 | } |
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| 125 | |||
| 126 | public boolean canWriteAttribute(int sqlType) { |
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| 127 | return true; |
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| 128 | } |
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| 129 | |||
| 130 | public String getName() { |
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| 131 | return "JDBC Writer"; |
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| 132 | } |
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| 133 | /**
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| 134 | * @return Returns the bCreateTable.
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| 135 | */
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| 136 | public boolean isCreateTable() { |
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| 137 | return bCreateTable;
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| 138 | } |
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| 139 | |||
| 140 | /**
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| 141 | * @param createTable
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| 142 | * The bCreateTable to set.
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| 143 | */
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| 144 | public void setCreateTable(boolean createTable) { |
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| 145 | bCreateTable = createTable; |
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| 146 | } |
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| 147 | |||
| 148 | /**
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| 149 | * @param writeAll
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| 150 | * The bWriteAll to set.
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| 151 | */
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| 152 | public void setWriteAll(boolean writeAll) { |
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| 153 | bWriteAll = writeAll; |
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| 154 | } |
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| 155 | |||
| 156 | 5690 | fjp | public void close() throws SQLException |
| 157 | {
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| 158 | rs.close(); |
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| 159 | // conn.close();
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| 160 | System.out.println("CIERRO CONEXI?N DE ESCRITURA"); |
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| 161 | } |
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| 162 | 6621 | fjp | public boolean canAlterTable() { |
| 163 | // TODO Auto-generated method stub
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| 164 | return false; |
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| 165 | } |
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| 166 | 6856 | fjp | public boolean canSaveEdits() { |
| 167 | try {
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| 168 | return (rs.getConcurrency() == ResultSet.CONCUR_UPDATABLE); |
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| 169 | } catch (SQLException e) { |
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| 170 | e.printStackTrace(); |
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| 171 | return false; |
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| 172 | } |
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| 173 | } |
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| 174 | 5634 | fjp | } |