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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.tuscany.das.rdb.config.wrapper;
import org.apache.log4j.Logger;
public class QualifiedColumn {
private final String tableName;
private final String columnName;
private final String schemaName;//JIRA-952
private final Logger logger = Logger.getLogger(QualifiedColumn.class);
public QualifiedColumn(String name) {
this.schemaName = "";
int index = name.indexOf('.');
if ( index == -1 ) {
throw new RuntimeException("Column " + name + " must be qualified with a table name");
}
tableName = name.substring(0, index);
columnName = name.substring(index + 1);
if (this.logger.isDebugEnabled()) {
this.logger.debug("Table name: " + tableName);
this.logger.debug("Column name: " + columnName);
}
}
//JIRA-952
public QualifiedColumn(String name, boolean isDatabaseSchemaNameSupported) {
int index = name.indexOf('.');
if ( index == -1 ) {
throw new RuntimeException("Column " + name + " must be qualified with a table name and optional schema name");
}
int lastIndex = name.lastIndexOf('.');
if(index == lastIndex && isDatabaseSchemaNameSupported){
throw new RuntimeException("Column " + name + " must be qualified with a table name and schema name");
}
if(isDatabaseSchemaNameSupported){
schemaName = name.substring(0, index);
tableName = name.substring(index+1, lastIndex);
columnName = name.substring(lastIndex + 1);
}
else{
schemaName = "";
tableName = name.substring(0, index);
columnName = name.substring(index + 1);
}
if (this.logger.isDebugEnabled()) {
this.logger.debug("Table name: " + tableName);
this.logger.debug("Column name: " + columnName);
}
}
public String getTableName() {
return this.tableName;
}
//JIRA-952
public String getSchemaName() {
return this.schemaName;
}
public String getColumnName() {
return this.columnName;
}
//JIRA-952
public String toString(){
if(this.schemaName == null || this.schemaName.equals(""))
return this.tableName+"."+this.columnName;
else
return this.schemaName+"."+this.tableName+"."+this.columnName;
}
}
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