//$Id: Insert.java 9681 2006-03-24 18:10:04Z [email protected] $
package org.hibernate.sql;
import java.util.Iterator;
import java.util.Map;
import org.apache.commons.collections.SequencedHashMap;
import org.hibernate.dialect.Dialect;
import org.hibernate.type.LiteralType;
/**
* An SQL <tt>INSERT</tt> statement
*
* @author Gavin King
*/
public class Insert {
private Dialect dialect;
private String tableName;
private String comment;
private Map columns = new SequencedHashMap();
public Insert(Dialect dialect) {
this.dialect = dialect;
}
protected Dialect getDialect() {
return dialect;
}
public Insert setComment(String comment) {
this.comment = comment;
return this;
}
public Insert addColumn(String columnName) {
return addColumn(columnName, "?");
}
public Insert addColumns(String[] columnNames) {
for ( int i=0; i<columnNames.length; i++ ) {
addColumn( columnNames[i] );
}
return this;
}
public Insert addColumns(String[] columnNames, boolean[] insertable) {
for ( int i=0; i<columnNames.length; i++ ) {
if ( insertable[i] ) {
addColumn( columnNames[i] );
}
}
return this;
}
public Insert addColumn(String columnName, String value) {
columns.put(columnName, value);
return this;
}
public Insert addColumn(String columnName, Object value, LiteralType type) throws Exception {
return addColumn( columnName, type.objectToSQLString(value, dialect) );
}
public Insert addIdentityColumn(String columnName) {
String value = dialect.getIdentityInsertString();
if ( value != null ) {
addColumn( columnName, value );
}
return this;
}
public Insert setTableName(String tableName) {
this.tableName = tableName;
return this;
}
public String toStatementString() {
StringBuffer buf = new StringBuffer( columns.size()*15 + tableName.length() + 10 );
if ( comment != null ) {
buf.append( "/* " ).append( comment ).append( " */ " );
}
buf.append("insert into ")
.append(tableName);
if ( columns.size()==0 ) {
buf.append(' ').append( dialect.getNoColumnsInsertString() );
}
else {
buf.append(" (");
Iterator iter = columns.keySet().iterator();
while ( iter.hasNext() ) {
buf.append( iter.next() );
if ( iter.hasNext() ) {
buf.append( ", " );
}
}
buf.append(") values (");
iter = columns.values().iterator();
while ( iter.hasNext() ) {
buf.append( iter.next() );
if ( iter.hasNext() ) {
buf.append( ", " );
}
}
buf.append(')');
}
return buf.toString();
}
}
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