/*
* ModeShape (http://www.modeshape.org)
*
* Licensed 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.
*/
package org.modeshape.jdbc.metadata;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Types;
import org.modeshape.jdbc.JcrType;
import org.modeshape.jdbc.JdbcLocalI18n;
/**
*
*/
public class ResultSetMetaDataImpl implements ResultSetMetaData {
private MetadataProvider provider;
public ResultSetMetaDataImpl( MetadataProvider provider ) {
this.provider = provider;
}
/**
* Adjust from 1-based to internal 0-based representation
*
* @param index External 1-based representation
* @return Internal 0-based representation
*/
private int adjustColumn( int index ) {
return index - 1;
}
@Override
public int getColumnCount() {
return provider.getColumnCount();
}
@Override
public boolean isAutoIncrement( int index ) {
return provider.getBooleanValue(adjustColumn(index), ResultsMetadataConstants.AUTO_INCREMENTING);
}
@Override
public boolean isCaseSensitive( int index ) {
return provider.getBooleanValue(adjustColumn(index), ResultsMetadataConstants.CASE_SENSITIVE);
}
@Override
public boolean isSearchable( int index ) {
Integer searchable = (Integer)provider.getValue(adjustColumn(index), ResultsMetadataConstants.SEARCHABLE);
return !(ResultsMetadataConstants.SEARCH_TYPES.UNSEARCHABLE.equals(searchable));
}
@Override
public boolean isCurrency( int index ) {
return provider.getBooleanValue(adjustColumn(index), ResultsMetadataConstants.CURRENCY);
}
@Override
public int isNullable( int index ) {
Object nullable = provider.getValue(adjustColumn(index), ResultsMetadataConstants.NULLABLE);
if (nullable.equals(ResultsMetadataConstants.NULL_TYPES.NULLABLE)) {
return columnNullable;
} else if (nullable.equals(ResultsMetadataConstants.NULL_TYPES.NOT_NULL)) {
return columnNoNulls;
} else {
return columnNullableUnknown;
}
}
@Override
public boolean isSigned( int index ) {
return provider.getBooleanValue(adjustColumn(index), ResultsMetadataConstants.SIGNED);
}
@Override
public int getColumnDisplaySize( int index ) {
return provider.getIntValue(adjustColumn(index), ResultsMetadataConstants.DISPLAY_SIZE);
}
@Override
public String getColumnLabel( int index ) {
return provider.getStringValue(adjustColumn(index), ResultsMetadataConstants.COLUMN_LABEL);
}
@Override
public String getColumnName( int index ) {
return provider.getStringValue(adjustColumn(index), ResultsMetadataConstants.COLUMN);
}
@Override
public String getSchemaName( int index ) {
String name = provider.getStringValue(adjustColumn(index), ResultsMetadataConstants.SCHEMA);
if (name != null) {
int dotIndex = name.indexOf('.');
if (dotIndex != -1) {
return name.substring(0, dotIndex);
}
}
return null;
}
@Override
public int getPrecision( int index ) {
return provider.getIntValue(adjustColumn(index), ResultsMetadataConstants.PRECISION);
}
@Override
public int getScale( int index ) {
return provider.getIntValue(adjustColumn(index), ResultsMetadataConstants.SCALE);
}
@Override
public String getTableName( int index ) {
String name = provider.getStringValue(adjustColumn(index), ResultsMetadataConstants.TABLE);
if (name != null) {
int dotIndex = name.indexOf('.');
if (dotIndex != -1) {
return name.substring(dotIndex + 1);
}
}
return name;
}
@Override
public String getCatalogName( int index ) {
return provider.getStringValue(adjustColumn(index), ResultsMetadataConstants.CATALOG);
}
@Override
public int getColumnType( int index ) {
String runtimeTypeName = provider.getStringValue(adjustColumn(index), ResultsMetadataConstants.DATA_TYPE);
JcrType typeInfo = JcrType.typeInfo(runtimeTypeName);
return typeInfo != null ? typeInfo.getJdbcType() : Types.VARCHAR;
}
@Override
public String getColumnTypeName( int index ) {
return provider.getStringValue(adjustColumn(index), ResultsMetadataConstants.DATA_TYPE);
}
@Override
public boolean isReadOnly( int index ) {
return !provider.getBooleanValue(adjustColumn(index), ResultsMetadataConstants.WRITABLE);
}
@Override
public boolean isWritable( int index ) {
return provider.getBooleanValue(adjustColumn(index), ResultsMetadataConstants.WRITABLE);
}
@Override
public boolean isDefinitelyWritable( int index ) {
return provider.getBooleanValue(adjustColumn(index), ResultsMetadataConstants.WRITABLE);
}
@Override
public String getColumnClassName( int index ) {
JcrType typeInfo = JcrType.typeInfo(getColumnTypeName(index));
return typeInfo != null ? typeInfo.getRepresentationClass().getName() : String.class.getName();
}
@Override
public boolean isWrapperFor( Class<?> iface ) {
return iface.isInstance(this);
}
@Override
public <T> T unwrap( Class<T> iface ) throws SQLException {
if (iface.isInstance(this)) {
return iface.cast(this);
}
throw new SQLException(JdbcLocalI18n.classDoesNotImplementInterface.text());
}
}